JVC Cassette Player KS LX200R User Manual

KS-LX200R  
SERVICE MANUAL  
CASSETTE RECEIVER  
KS-LX200R  
Area Suffix  
E
EX  
Continental Europe  
Central Europe  
7
8
KS-LX200R  
Contents  
Safety precaution  
1-2  
Disassembly method  
Adjustment method  
Description of major ICs  
1-3  
1-13  
1-17  
This service manual is printed on 100% recycled paper.  
No.49573  
Oct. 2000  
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.  
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KS-LX200R  
CXA2510AQ (IC401) : Head AMP / Dolby  
1. Pin layout & Block diagram  
NR  
20 MSMODE  
19 DRSW  
18 TAPESW  
17 INSW  
PBFB2 31  
PBRIN 32  
PBREF2 33  
PBFIN2 34  
VCT 35  
120 /70  
OFF/  
B / C  
T2  
MS MODE  
NR MODE  
X1  
NR BIAS  
F2  
TAPE / AUX  
TAPE EQ  
16 NRSW  
15 MRMODE  
14 MSOUT  
13 DGND  
12 MSTC  
VCT  
FWD / RVS  
Vcc  
PBGND 36  
PBFIN1 37  
PBREF1 38  
PBRIN1 39  
PBFB1 40  
MS ON/  
OFF  
+
-
LPF  
DET  
F1  
F3  
X1  
T1  
11 G1FB  
120 /70  
NR  
2. Pin functions  
Pin No.  
Symbol  
PBEQ1  
PBOUT1  
Vcc  
Functions  
I/O  
O
O
-
Resistance for selecting the equalizer amplifier time constant.  
Playback equalizer amplifier out put.  
Power supply  
1
2
3
TAPEIN1  
AUXIN1  
MSLPF  
LINEOUT1  
TCH1  
TAPE input.  
I
4
External input.  
I
5
Cut-off frequency adjustment of the music sensor LPF.  
Line out.  
-
6
O
-
7
Time constant for the HLS.  
Non connection.  
8
NC  
-
9
G2FB  
Music signal interval detection level setting.  
-
10  
11  
12  
13  
14  
15  
G1FB  
MSTC  
DGND  
MSUOT  
NC  
Time constant for detecting the music signal interval.  
Logic ground (Connect to GND)  
Music sensor output.  
-
O
I
Non connection.  
1-18  
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KS-LX200R  
Symbol  
NRSW  
INSW  
Pin  
16  
Functions  
Dolby NR control L:NR OFF H:NR ON  
Line amplifier input select control L:TAPE IN H:AUX IN  
Playback equalizer amplifier control L:120us H:70us  
Head select control L:FORWARD H:REVERSE  
Music sensor mode control Low(open):G1 High:G2  
Music sensor control Low(open):MS on High:MS OFF  
Non connection  
I/O  
I
I
17  
18  
19  
20  
21  
22  
23  
24  
25  
METAL  
DRSW  
FF/REW  
MSSW  
NC  
I
I
I
I
-
TCH2  
-
Time constant for the HLS  
LINEOUT2  
DIREF  
O
-
Line output  
Resistance for setting the reference current (Connects 20(18)K  
between DIREF pin and GND for the standard setting.)  
Non connection.  
NC  
-
I
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
TAPEIN2  
GND  
TAPE input.  
-
To ground.  
PBOUT2  
PBEQ2  
PBFB2  
NC  
O
O
I
Playback equalizer amplifier output.  
Resistance for selecting the playback equalizer amplifier time constant  
Playback equalizer amplifier feedback.  
Non connection.  
-
PBREF2  
PBFIN2  
VCT  
O
I
Playback equalizer amplifier reference (Vcc/2 output)  
Playback equalizer amplifier input (FORWARD head connected)  
Center (Vcc/2 output)  
O
-
PBGND  
PBFIN1  
PBREF1  
NC  
Playback equalizer amplifier ground (Connect to ground)  
Playback equalizer amplifier input (FORWARD head connected)  
Playback equalizer amplifier reference (Vcc/2 output)  
Non connection.  
I
O
-
PBFB1  
I
Playback equalizer amplifier feedback.  
NJM4565M-W (IC951,IC171,IC323) : Ope amp.  
A OUTPUT  
A -INPUT  
A +INPUT  
V-  
1
2
3
4
8
7
6
5
V+  
B OUTPUT  
B -INPUT  
B +INPUT  
A
B
1-19  
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KS-LX200R  
KA3031 (IC831) : Motor driver  
1. Pin layout  
48  
~
37  
1
36  
~
~
12  
13  
25  
~
24  
2. Block diagram  
IN1.1 REG50 REG050 REF  
48 47 46 45  
SVCC RES50  
44 43  
OPIN(+) OPIN(-) OPOUT PVCC2 DO1.1 DO1.2  
42 41 40 39 38 37  
-
SW  
+
IN1.2  
1
2
36 DO2.1  
35 DO2.2  
+
-
ALL MUTE  
T.S.D  
O.V.P  
OUT1  
2.5V  
-
IN2.1  
IN2.2  
3
4
34 PGND3  
33 DO3.1  
+
+
-
+
2P  
2P  
-
-
-
+
+
-
+
-
+
+
-
2P  
2P  
2P  
OUT2  
IN3.1  
5
6
32 DO3.2  
-
-
+
+
31 PGND2  
-
+
-
+
+
-
-
-
+
+
2P  
2P  
-
+
+
-
+
-
-
IN3.2  
OUT3  
IN4.1  
7
8
9
30 PGND1  
-
+
+
2P  
29 DO4.1  
28 DO4.2  
+
-
D
D
M
S
C
S
W
2P  
2P  
+
-
27 DO5.1  
26 DO5.2  
25 DO6.1  
D
D
IN4.2 10  
OUT4 11  
CTL1 12  
M
S
C
S
2P  
2P  
W
MUTE4  
MUTE3  
MUTE2  
MUTE1  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
FWD1 REV1  
CTL FWD2 REV2 SGND  
MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2  
1-20  
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KS-LX200R  
3. Pin function  
Pin No. Symbol  
I/O  
Function  
Pin No. Symbol  
I/O  
Function  
1
2
IN1.2  
OUT1  
IN2.1  
IN2.2  
OUT2  
IN3.1  
IN3.2  
OUT3  
IN4.1  
IN4.2  
OUT4  
I
O
I
CH 1 op-amp input (-)  
CH 1 op-amp output  
CH 2 op-amp input (+)  
CH 2 op-amp input (-)  
CH 2 op-amp output  
CH 3 op-amp input (+)  
CH 3 op-amp input (-)  
CH 3 op-amp output  
CH 4 op-amp input(+)  
CH 4 op-amp input (-)  
CH 4 op-amp output  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
DO6.1  
DO5.2  
DO5.1  
SO4.2  
DO4.1  
PGND  
PGND  
DO3.2  
DO3.1  
PGND  
DO2.2  
O
O
O
O
O
CH 6 drive outout  
CH 5 drive output  
CH 5 drive output  
CH 4 drive output  
CH 4 drive output  
Power ground  
3
4
I
5
O
I
6
Power ground  
7
I
-
CH 3 drive output  
CH 3 drive output  
Power ground  
8
O
I
O
O
9
10  
11  
I
CH 2 drive output  
O
O
O
CH 5 motor speed  
control  
CH 2 drive output  
12  
CTL1  
I
36  
SO2.1  
FWD1  
REW1  
I
I
CH 5 forward input  
CH 5 reverse input  
37  
38  
SO1.2  
DO1.1  
O
O
13  
14  
CH 1 drive output  
CH 1 drive output  
CH 6 motor speed  
control  
Power supply voltage  
(For CH 1, CH 2, CH 3, CH 4)  
CTL2  
39  
I
PVCC2  
-
15  
CH 6 torward input  
CH 6 reverse input  
Signal ground  
CH 1 mute  
OPOUT  
OPIN(-)  
OPIN(+)  
RES50  
SVCC  
Opamp output  
16  
17  
18  
19  
20  
21  
22  
FED2  
REW2  
I
I
-
I
I
I
I
40  
41  
42  
43  
44  
45  
46  
O
I
Opamp input (-)  
Opamp input (+)  
Regulator 5V reset  
Signal supply voltage  
Bias voltage input  
regulator 5V output  
SGND  
I
MUTE1  
MUTE2  
MUTE3  
MUTE4  
I
CH 2 mute  
-
CH 3 mute  
REF  
I
CH 4 mute  
REG050  
O
Power supply voltage  
(For CH 5, CH 6)  
Regulator output  
REG50  
IN1.1  
23  
24  
PVCC1  
DO6.2  
-
47  
48  
O
I
CH 6 drive output  
O
CH 1 opamp onput (+)  
BU4066BCF-X (IC322) : Switch  
1.Pin l ayout  
2.Block diagram  
14 13 12 11 10  
9
8
14  
13 12  
11  
10  
9
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1-21  
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KS-LX200R  
UPD784215AGC113 (IC701) : UNIT CPU  
1.Pin layout  
75  
~
51  
76  
50  
26  
100  
1
~
25  
2.Pin function  
Pin No.  
Symbol  
I/O  
Function  
1
2
3
4
5
6
7
O
O
O
I
Output for input signal level switching for MS.  
Dolby on "H" output.  
MS output.  
Fwd, REV direction switch signal input.  
Non connect  
Tray light control signal output.  
Dimmer signal output.  
FF/REW  
DOLBY  
MS-OUT  
F/R  
HOLD  
TRAYCNT  
DIMMER-OUT  
LCD-POWER  
VDD  
-
O
O
-
8
9
Non connect.  
Power supply terminal.  
-
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
O
I
-
O
I
I
I
I
I
I
I
I
I
-
-
-
-
I
Connecting the crystal oscillator for system main clock.  
Connecting the crystal oscillator for system main clock.  
Connect to GND.  
Connecting the crystal oscillator for system sub clock.  
Connecting the crystal oscillator for system sub clock.  
System reset signal input.  
Cassette mechanism detect switch.  
J-BUS signal cut in input.  
Power save 2.  
CRUISE signal input.  
RDS selial clock input.  
RDS data input.  
Remove control signal input.  
Power supply terminal.  
Connect to GND.  
Connect to GND.  
Connect to GND.  
Key control 0 input.  
Key control 1 input.  
Key control 2 input.  
Level meter signal input.  
S.quality level input.  
S.meter level input.  
X2  
X1  
VSS  
XT2  
XT1  
RESET  
SW1  
BUS-IN  
PS2  
CURUISE  
RDS-SCK  
RDS-DA  
REMOCON  
AVDD  
AVREF0  
NC  
NC  
KEY0  
KEY1  
KEY2  
LEVEL  
SQ  
S.METER  
AVSS  
W-VOL  
DOT CONT  
AVREF  
BUS-SI  
BUS-SO  
BUS-SCK  
STAGE2  
LCD-DA  
LCD-CL  
LCD-LEI  
BUZZER  
E2PR-DA-I  
E2PR-DA-O  
E2PR-CLK  
BUS-I/O  
TM0  
I
I
I
I
I
-
Connect to GND.  
O
O
-
I/O  
O
I/O  
I
O
O
O
O
I
O
I/O  
I/O  
O
O
Woofer volume signal output.  
Dot contrast signal input.  
Power supply terminal.  
J-BUS data I/O terminal.  
J-BUS data output.  
J-BUS serial clock signal I/O.  
Initial setting.  
Data output for LCD driver.  
Clock otput for LCD driver.  
Chip enable 1 output for LCD driver.  
BUZZER control signal output.  
Data input terminal from EEPROM.  
Data output terminal from EEPROM.  
Data input terminal from EEPROM.  
J-BUS I/O signal terminal.  
Tray motor negative signal output.  
Tray motor positive signal output.  
TM1  
1-22  
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KS-LX200R  
Pin No.  
Symbol  
I/O  
Function  
Door motor negative signal output.  
Door motor positive signal output.  
Stereo signal input.  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
100  
O
O
I
-
O
I
I
I
I
I
DM0  
DM1  
ST  
LOCAL  
MONO  
CA-SW1  
CA-SW2  
CA-SW3  
CA-SW4  
CA-SW5  
VCR-CONT  
AFCK  
Non connect.  
Manual ON/OFF select signal output.  
DOOR/TRAY open/close detect switch signal input.  
DOOR/TRAY open/close detect switch signal input.  
DOOR/TRAY open/close detect switch signal input.  
DOOR/TRAY open/close detect switch signal input.  
DOOR/TRAY open/close detect switch signal input.  
Non connect.  
AF check output.  
AUTO SEEK/STOP select signal output.  
Station detector input.  
FM/AM select signal output.  
Chip enable signal output.  
Data output.  
Clock signal output.  
AM detect signal input.  
Telephone.  
Non connect.  
Connect to GND  
DIMMER signal input.  
Power save 1.  
Power ON/OFF select signal output.  
Non connect.  
-
O
O
I
O
O
O
O
I
I
-
-
I
SEEK/STOP  
SD  
FM/AM  
PLL-CE  
PLL-DA  
PLL-CK  
BAND IN  
TEL-MUTE  
AMP KILL  
VSS  
DIMMER-IN  
DSI  
POWER  
CD-ON  
MUTE  
W-LPF1  
W-LPF2  
W-MUTE  
VDD  
VOL-DA  
VOL-CLK  
CF-SEL  
NC  
I
O
-
O
O
O
O
-
O
O
I
Mute signal output.  
Woofer LPF 1 signal output.  
Woofer LPF 2 signal output.  
Woofer mute signal output.  
Power supply.  
Data output.  
Clock signal output.  
CF select signal input.  
Non connect.  
-
O
O
O
O
I
O
I
I
LCD reset signal output.  
Chip enable 2 output.  
Motor speed control signal output.  
Tray motor control signal output.  
Initial setting.  
Mecha Motor signal output.  
Mecha mode position detection input.  
Standby position derection input.  
Test terminal  
Cassette in detection input.  
Sub motor clock direction drive output.  
Sub motor clock oppositte direction drive output.  
Tape end detection input.  
Kick output.  
LCD RST  
LCD-CE2  
DMK  
TMK  
STAGE1  
MOTOR  
MODE  
STANDBY  
TEST  
TAPE-IN  
SUBMO-  
SUBMO+  
TAPE-END  
KICK  
I
O
O
I
O
I
Voice control signal input.  
VOICE IN  
1-23  
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KS-LX200R  
BD3860K (IC911) : E. volume  
1. Pin layout  
33  
~
23  
34  
22  
12  
44  
1
~
11  
2. Block diagram  
GND FIL VCC  
SEL1  
40  
VIN1 LOUD1  
HF1 LF1 DET1 VCA1 MIX1 BBOUT1 TIN1 TNF1  
BNF1 BOUT1  
15 14  
6
5
9
36  
35  
34 33 28 32 31 30  
29 19  
POWER  
SUPPLY  
FADER  
MAIN  
INPUT  
GAIN  
CH1 FRONT  
0 to -5 dB  
13 OUTF1  
TREBLE  
BASS  
VOLUME  
LOW(f=50Hz) 6dB  
0 to -40 dB  
-14 to +14dB  
-14 to +14dB  
PROCESS CONTROL +3 to 12dB  
(f=10kHz)  
A1  
B1  
C1  
D1  
41  
42  
43  
44  
LOUDNESS  
0 to 18 dB  
FADER  
OUTR1  
SI  
CH1 REAR  
0 to -5 dB  
12  
7
INPUT  
SC  
8
LOGIC  
FADER  
SELECTOR  
OUTR2  
A2  
B2  
C2  
D2  
CH2 REAR  
0 to -5 dB  
10  
1
2
3
4
MAIN  
INPUT  
GAIN  
TREBLE  
BASS  
VOLUME  
0 to -40 dB  
LOUDNESS  
FADER  
LOW(f=50Hz) 6dB  
-14 to +14dB  
-14 to +14dB  
CH2 FRONT  
0 to -5 dB  
OUTF2  
PROCESS CONTROL +3 to 12dB  
(f=10kHz)  
11  
0 to 18 dB  
39  
SEL2  
38  
VIN2  
37  
LOUD2  
25 24 26 23 22 21  
HF2 LF2 DET2VCA2MIX2 BBOUT2 TIN2 TNF2  
20 18  
17  
16  
BNF2 BOUT2  
3. Pin function  
Pin  
Pin  
Symbol  
Function  
Symbol  
Function  
No.  
1
2
3
4
5
6
7
8
9
No.  
A2  
B2  
C2  
D2  
FIL  
CH2 input terminal A  
CH2 input terminal B  
CH2 input terminal C  
CH2 input terminal D  
1/2 VCC terminal  
23 VCA2 CH2 high frequency VCA output terminal  
24 LF2 CH2 low frequency filter setting terminal  
25 HF2 CH2 high frequency filter setting terminal  
26 DET2 CH2 high frequency attack release time setting  
27  
NC  
Non connect  
GND Ground terminal  
SI  
SC  
28 DET1 CH1 high frequency attack release time setting  
29 TIN1 CH1 treble input terminal  
Serial data input terminal  
Serial clock input terminal  
30 BBOUT1 CH1 BBE II signal output terminal  
31 MIX1 CH1 output mix amp. negative input terminal  
32 VCA1 CH1 high frequency VCA output terminal  
33 LF1 CH1 low frequency filter setting terminal  
34 HF1 CH1 high frequency filter setting terminal  
35 LOUD1 CH1 loudness filter setting terminal  
36 VIN1 CH1 main volume input terminal  
37 LOUD2 CH2 loudness filter setting terminal  
38 VIN2 CH2 main volume input terminal  
39 SEL2 CH2 input gain output terminal  
VCC Power supply  
10 OUTR2 CH2 rear output terminal  
11 OUTF2 CH2 front output terminal  
12 OUTR1 CH1 rear output terminal  
13 OUTF1 CH1 front output terminal  
14 BOUT1 CH1 bus filter setting terminal  
15 BNF1 CH1 bus filter setting terminal  
16 BOUT2 CH2 bus filter setting terminal  
17 BNF2 CH2 bus filter setting terminal  
18 TNF2 CH2 treble filter setting terminal  
19 TNF1 CH1 treble setting terminal  
20 TIN2 CH2 treble input terminal  
21 BBOUT2 CH2 BBE II signal output terminal  
40 SEL1 CH1 input gain output terminal  
41  
42  
43  
A1  
B1  
C1  
D1  
CH1 input terminal A  
CH1 input terminal B  
CH1 input terminal C  
CH1 input terminal D  
22 MIX2 CH2 output mix amp negative input terminal 44  
1-24  
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KS-LX200R  
LA3460M-X (IC31) : FM noise canceller & Stereo MPX demodulator  
1. Pin layout  
24  
13  
1
12  
2. Block diagram  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
DRIVER  
VCO STOP  
VCO  
PC  
PD  
LPF  
FF  
PACAN  
LPF  
SCHMIT  
SEPARATION  
ADJ.  
SUB  
HPF  
LPF  
ANTI-BRIDGE  
DECODER  
MAIN  
GATE  
HCC  
SNC  
TRIG  
AGC  
CONTROL  
1
2
3
4
5
6
7
8
9
10  
11  
12  
3. Pin function  
Pin  
No.  
Function  
Description  
1
2
3
4
5
6
7
8
9
Noise sense  
Noise AGC  
Gate time  
Signal hold  
Pilot output  
Vcc  
Capacitor for HCC  
SNC control  
HCC control  
Noise sensitivity adjustment  
Vcc=+8.0V  
High pass filter  
Stereo noise controlled voltage  
High cut controlled voltage  
10 Lch output  
11 Rch output  
12 Pican input  
13 Pican output  
14 Separation ADJ  
15 NC  
pilot cancel signal input  
pilot cancel signal outpt  
16 NC  
17 456kHz OSC  
18 Phase comp LPF (+)  
19 Phase comp LPF (-)  
20 GND  
Ceramic resonator  
Phase comparator low pass filter  
Phase comparator low pass filter  
21 PLL input  
Phase locked loop signal input  
Active low  
Composite signal input  
22 Stereo indicator  
23 Composite input  
24 Pilot det LPF  
1-25  
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KS-LX200R  
LA4743B (IC941) :Power amp  
1.Terminal layout  
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25  
2.Block diagram  
3.Pin function  
Pin  
Pin  
Symbol  
Function  
Symbol  
Function  
Front Lch input  
Rear Lch input  
No.  
1
No.  
TAB  
Header of IC  
14 LFIN  
15 LRIN  
2
GND1  
RFO-  
STBY  
RFO+  
VCC1/2  
RRO-  
GND2  
RRO+  
Power GND  
3
Output (-) for front Rch  
Stand by input  
16 ONTIME Power on time control  
4
17 LRO+  
18 GND3  
19 LRO-  
20 VCC3/4  
21 LFO+  
22 MUTE  
23 LFO-  
24 GND4  
25 NC  
Output (+) for rear Lch  
Power GND  
5
Output (+) for front Rch  
Power input  
6
Output (-) for rear Lch  
Power input  
7
Output (-) for rear Rch  
Power GND  
8
Output (+) for front  
Muting control input  
Output (-) for front  
Power GND  
9
Output (+) for rear Rch  
Ripple filter  
10 R.F  
11 RRIN  
12 RFIN  
13 SGND  
Rear Rch input  
Front Rch input  
Signal GND  
Non connection  
1-26  
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KS-LX200R  
LC75873NW (IC601) : LCD driver  
1.Block diagram  
VDD1  
COMMOM  
SEGMENT DRIVER  
SHIFT REGISTER  
DRIVER  
VDD2  
INH  
CLOCK  
OSC  
GENERATOR  
VDD  
VSS  
ADDRESS  
DETECTOR  
2.Pin functions  
Pin No. Symbol  
1~66 S3~S68  
67~69 COM1~3  
Description  
I/O  
O
O
-
Segment Output.  
Common Driver Output.  
70  
71  
VDD  
Power Supply Connection.  
VDD1  
I
Used for applying the LCD drive 2/3 bias voltage externally.  
Must be connected to VDD2 when a 1/2 bias drive scheme in used.  
Used for applying the LCD drive 1/3 bias voltage externally.  
Must be connected to VDD1 when a 1/2 bias drive scheme in used.  
Power supply connection.  
72  
VDD2  
I
73  
74  
VSS  
OSC  
-
I/O Oscillator connection. An oscillator circuit is formed by connecting an  
external resistor and capacitor to this pin.  
75  
76  
77  
78  
79  
80  
INH  
CE  
I
I
Display off control input.  
Chip enable input.  
Synchronization clock input.  
Serial data input.  
CLOCK  
DI  
I
I
S1  
O
O
Signal output.  
S2  
Signal output.  
1-27  
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KS-LX200R  
BA3220FV-X (IC301) : Driver  
1. Pin layout & Block diagram  
CL-  
14  
LGND  
OUTL  
12  
OUTR  
11  
RGND  
10  
CR -  
9
CR +  
8
13  
REFL  
REFR  
FILTER  
1
2
Vcc  
3
4
5
6
7
CL+  
INL  
NFL  
FIL  
NFR  
INR  
2. Pin function  
Pin  
Symbol  
Function  
No.  
1
2
3
4
5
6
7
8
9
CL+  
Vcc  
INL  
NFL  
FIL  
NFR  
INR  
CR+  
CR-  
Powe supply terminal for amp.  
power supply terminal.  
input terminal.  
Negative feedback terminal.  
Filter terminal.  
Negative feedback terminal.  
Input terminal  
Power supply terminal for amp.  
Output terminal of internal amp.  
Rch GND terminal.  
10 RGND  
11 OUTR  
12 OUTL  
13 LGND  
14 CL-  
Rch output terminal.  
Lch output terminal.  
Lch GND terminal.  
Output terminal of internal amp.  
1-28  
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KS-LX200R  
BR24C32F-X (IC703) : EEPROM  
1. Pin layout  
Vcc  
WP  
SCL  
SDA  
A1  
A2  
GND  
A0  
2. Block diagram  
A0 1  
8 Vcc  
7 WP  
6 SCL  
5 SDA  
32k bit EEPROM ARRAY  
8bit  
12bit  
SLAVE/WORD  
ADDRESS REGISTER  
ADDERESS  
DECODER  
DATA  
REGISTER  
A1 2  
A2 3  
12bit  
START  
CONTROL LOGIC  
STOP  
ACK  
HIGH VOLTAGE GEN.  
GND 4  
Vcc LEVEL DETECT  
3. Pin function  
Pin No. I/O  
Functions  
Vcc  
GND  
-
-
Power supply  
Ground (0V)  
AO,A1,A2 IN Slave address set  
SCL  
SDA  
WP  
IN Serial clock input  
I/O Slave and word address/Serial data output  
IN Write protect input  
1-29  
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KS-LX200R  
SAA6579T-X (IC51) : RDS demodulator  
1. Pin layout  
2. Pin function  
Pin  
Symbol  
Function  
No.  
1
2
3
4
5
6
7
QUAL Quality indication output  
RDDA RDS data output  
Vref Reference voltage output (0.5VDDA)  
MUX Multiplex signal input  
VDDA +5V supply voltage for analog part  
VSSA Ground for analog part (0V)  
CIN Sub carrier input to comparator  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
8 SCOUT Sub carrier output of reconstruction filter  
9 MODE Oscillator mode / test control input  
10 TEST Test enable input  
11 VSSD Ground for digital part (0V)  
12 VDDD +5V supply voltage for digital part  
13 OSCI Oscillator input  
14 OSCO Oscillator output  
15 T57 57kHz clock signal output  
16 RDCL RDS clock output  
OSCI  
13  
OSCO  
14  
VDDD  
12  
3. Block diagram  
57kHz  
BAND PASS  
(8th ORDER)  
ANTI-  
ALIASING  
FILTER  
QUAL  
RDDA  
OSCILLATOR  
AND  
DIVIDER  
4
1
QUALITY BIT  
GENERATOR  
RECONSTRUCTION  
FILTER  
MUX  
8
SCOUT  
COSTAR LOOP  
VARIABLE AND  
FIXED DIVIDER  
BIPHASE  
SYMBOL  
DECODER  
7
2
16  
15  
CLOCKED  
COMPARATOR  
DIFFERENTIAL  
DECODER  
CIN  
5
VDDA  
Vp1  
RDCL  
T57  
CLOCK  
REGENERATION  
AND SYNC  
3
TEST LOGIC AND OUTPUT  
SELECTOR SWITCH  
REFERENCE  
VOLTAGE  
Vref  
6
9
10  
11  
VSSA  
MODE  
TEST  
VSDD  
IC-PST600M/G/-W (IC702) : System reset  
1
IN  
3
2
Vout  
OUT  
Co1  
OP1  
1-30  
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KS-LX200R  
HD74HC126FP-X (IC771) : Buffer  
1. Pin layout  
2. Pin function  
Inputs  
Outputs  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
C
L
H
H
A
X
L
Y
Z
H
L
H
8
3. Block diagram  
Vcc  
Vcc  
1k  
1A  
2A  
3A  
4A  
1C  
2C  
3C  
4C  
Output  
S1  
1k  
1Y  
2Y  
Input  
CL  
Output  
Output  
Output  
2Y  
3Y  
4Y  
Sample as Load Circuit 1  
Sample as Load Circuit 1  
Sample as Load Circuit 1  
RPM6938-SV4 (IC602) : Remote control receiver  
Vcc  
Vcc  
AGC  
22k  
ohm  
AMP  
Comp  
Rout  
I/V  
conversion  
BPF  
Detector  
PD  
for  
trimming  
circuit  
GND  
magnetic shield  
1-31  
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KS-LX200R  
M5282FP-XE (IC321) : E. volume  
1. Pin layout  
2. Block diagram  
10  
1
2
3
4
5
10  
9
1
8
2
3
7
9
6
4
5
7
8
3. Pin function  
Pin  
Symbol  
Vcc/2  
Function  
No.  
1
Vcc/2 output for microphone amp.  
2
3
Amp+IN Microphone amp. positive input terminal.  
Amp-IN Microphone amp. negative input terminal.  
4 Amp OUT Microphone amp. output terminal.  
5
6
7
8
GND  
NC  
Ground.  
Non connection.  
VCA IN VCA input terminal.  
Vc VCA control terminal.  
9 VCA OUT VCA output terminal.  
10 Vcc Power supply.  
LB1641 (IC402) : DC Motor driver  
1. Pin layout  
10  
1
2
3
4
5
6
7
8
9
GND OUT1 P1  
VCC1  
VCC2 P2  
OUT2  
VZ  
IN1 IN2  
2. Pin function  
Input  
Output  
Mode  
IN1  
0
IN2  
OUT1  
OUT2  
Brake  
0
0
1
1
0
1
0
0
0
0
1
0
CLOCKWISE  
1
COUNTER-CLOCKWISE  
Brake  
0
1
1-32  
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KS-LX200R  
Block diagram  
IC301  
Lch LINE  
AMP.  
FMDET.ADJ  
SEPA.ADJ  
LOUTFL  
LOUTRR  
TU1  
TUNER PACK  
IC911  
E.VOL.  
L-ch  
R-ch  
INFL  
INRL  
IC31  
MPX  
FRONTL  
FRONTR  
M
M
FM/AM  
S.METER  
SD/ST  
STANDBY,TAPEEND  
RDS  
ST  
Lch,Rch  
MSOUT  
NRSW  
IC401  
Rch LINE  
AMP.  
INFR  
INRR  
ROUTFL  
ROUTRR  
IC401  
HEAD AMP  
IC51  
RDS  
PLLCE  
PLLDA  
PLLCL  
REARL  
REARR  
Lch,Rch  
FF REW  
HEAD COMMON  
AU.L  
AU.R  
MODE,F/R,TAPE IN  
TAPE.L  
TAPE.R  
VOLDA  
IC901  
POWER AMP.  
SUBMO  
IC402  
VOLCLK  
IC701  
CPU  
MOTOR  
DRIVER  
IC321  
E.VOL  
IC323  
OPE.AMP.  
SUBMO ,TAPE IN  
STANDBY,MODE  
MOTOR,FF REW  
DOLBY,MSOUT,F/R  
SUBMO  
W.VOL  
WLPF1  
WLPF2  
IC322  
SI/SO  
SO,I/O  
SWITCHING  
SCK,SI/SO  
LED &  
KEY MATRIX  
KEY0,KEY1  
SCL  
SDDA  
BUSINT  
BUSSCK  
CH.L  
CH.R  
IC703  
EEPROM  
IC771  
JVC-BUS  
IC603  
REMOCON  
REMOCON  
LCD1  
COM1~3  
DOTCONT  
LCDRST,LCDCE1  
LCDCL,LCDDA  
REMOCON,KEY1  
KEY2,LCDCA  
LCDCL,LCDCE1  
S1~S86  
IC951  
OPE.AMP.  
IC171  
LINE IN  
KEY1  
KEY2  
RESET  
IC601  
LCD DRIVER  
FRONTL  
FRONTR  
REARL  
EACH  
BLOCK  
KEY  
MATRIX  
REARR  
TM0  
TM1  
DM0  
DM1  
TRAY  
IC961  
REG.  
MOTOR  
AULI  
AURI  
TRAY  
M
CN771  
CD-CH  
IC831  
DRIVER  
CN901  
DOOR  
MOTOR  
SUB  
LINE IN LINE OUT  
WOOFER  
OUT  
M
DOOR  
2-1  
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KS-LX200R  
KS-LX200R  
Standard schematic diagrams  
Main amp. section  
C163  
0.047  
D161  
R162  
12K  
1SS355  
IC941  
LA4743B  
C161  
Q161  
2SD601A  
TU1  
1/50  
R165  
R303  
33K  
QAU0157-002  
390  
6
5
4
3
2
IC301  
BA3220FV  
C307  
100/10  
C305  
4.7/25  
C306  
4.7/25  
4.7/25  
C301  
24K  
R301  
C3084.7/25  
R3  
10  
C309  
4.7/25  
C310  
Q1  
C120  
470P  
47/16  
C141  
1/50  
R4  
UN2211  
C303  
10K  
L1  
4.7u  
C302  
4.7/25  
R302  
24K  
100/10  
C142  
1/50  
C11  
0.047  
D3  
1SS355  
PP3  
R304  
33K  
R305  
150K  
IC911  
BA3860K  
RDSDA  
PP4  
R2  
100K  
C218  
0.047  
R403  
33K  
GND  
R354  
6.8K  
C241  
1/50  
C354  
0.1  
IC401  
BA3220FV  
Q13  
2SB709A  
C352  
C220  
C219  
470P  
10/16  
C407  
100/10  
R11  
0.01 R355  
Q11  
8.2( 1/8W) 2SB815  
C44  
1/50  
C355  
470P  
C242  
1/50  
C40  
1/50  
220K  
C454  
0.1  
R40  
5.6K  
C39  
R454  
6.8K  
C357 0.0047  
C457 0.0047  
C405  
4.7/25  
4.7/25  
C401  
R401  
24K  
C408  
4.7/25  
R941  
27K  
Q21  
2SC2412K  
C43  
C42 1/50  
1/50  
R942  
27K  
C455  
470P  
R455  
220K  
C356  
10/16  
C409  
C459 0.22  
47/16  
R458  
3.3K  
4.7/25  
R943  
1K  
0.1/50  
C403  
R43  
100K  
C458 0.22  
C358 0.22  
R118 C112  
C456 10/16  
C402  
C41  
0.01  
C406  
4.7/25  
R402  
24K  
C410  
100/10  
CH.L  
TAPE.L R119  
4.7/25  
100  
R358  
3.3K  
4.7/10  
C359 0.22  
0
R404  
33K  
R405  
150K  
Q33  
RDSSCK  
Q942  
Q12  
X51  
1/50  
R120  
10K  
2SD601A  
UN2211  
UN2211  
C104  
FM/AM  
R45  
47K  
C327  
0.082  
Q34  
UN2111  
R323  
10K  
R327  
5.6K  
S.METER  
C212  
C322 0.01  
R218  
100  
CH.R  
10K R324  
AMAF  
4.7/10  
R322  
Q23  
2SC2412K  
TAPE.R R219  
GND  
0
R328  
15K  
R37  
D101  
MA152WK  
100K  
10K  
R220 1/50  
R101  
R27  
470  
2.2K  
SQ  
C204  
0.22/50  
UN2211  
Q32  
10K  
C103  
C203  
C22  
0.01  
C24  
0.1  
R954  
10K  
VOL-CLK LEVEL  
R201  
10K  
R451  
R452  
220k  
220k  
C321 VOL-DA  
0.22/50  
D201  
10/16  
MA152WK  
D451  
MA152WK  
SUBW  
GND  
Q24  
C325  
C328  
0.0068  
R326  
10K  
R329  
UN2211  
0
W-VOL  
2.2/50  
C921 100P  
C922 100P  
C923 100P  
C924 100P  
C925 100P  
C926 100P  
C927 100P  
C928 100P  
CN703  
Q35  
2SB709A  
R177  
1K  
R176  
R175  
10k  
R174  
TAPE.L  
AU.L  
C173  
22/6.3  
C172  
10/16  
R332  
100K  
Q132  
2SD1048  
Q232  
GND  
8.2K  
2SD1048  
R173  
TAPE.R  
F/R  
Q36  
W-LPF2  
0.0056  
C331  
UN2211  
10k  
8.2K  
R344  
1M  
Q321  
UN2211  
R343  
1M  
SW14V  
D961  
MSOUT  
DOLBY  
IC171  
1N5401TU  
NJM4565M  
FF/REW  
MOTOR  
MODE  
R951  
5.6K  
C951 0.1  
C961  
2200/16  
VSS  
DOTCONT  
R276  
10k  
R273  
C272  
10/16  
STANDBY  
TAPE-IN  
SUBMO-  
SUBMO+  
TAPE-END  
KICK  
8.2K  
R277  
R275  
10k  
R274  
MEMORY  
AU.R  
C273  
R334  
47K  
1K  
8.2K  
22/6.3  
5V  
R341  
1M  
R342  
1M  
R321  
1K  
R735  
4.7K  
L701  
47u  
TEL  
ILL  
D962  
R734  
R733  
R732  
R731  
4.7K  
47K  
47K  
47K  
W-LPF1  
CRS03-W  
Q322  
UN2211  
IC703  
BR24C32F  
R961  
Q324  
UN2211  
1K( 1/8W)  
CN704  
QGA1201C2-04X  
C710  
220/10  
CASW1  
CASW2  
CASW3  
W-MUTE  
MUT  
IC701  
UPD784215GC-XXX  
AU.LI  
C711  
470P  
NSW0120-002X S651  
NSW0120-002X S652  
NSW0120-002X S653  
CN301  
QGA2501C1-07  
AU.G  
AU.RI  
VDD  
CN901  
QNZ0090-001  
Q977  
UN2111  
Q979  
UN2111  
MUTE  
CN504  
R723  
1K  
QGA2501F1-02  
W-LPF1  
Q966  
2SB709A  
IC961  
BA4905  
I/O  
W-LPF2  
TRAY-  
TD  
RD  
R970  
12K  
W-MUTE  
TRAY+  
R722  
R721 10K  
10K  
DOOR+  
DOOR-  
VOL-DA  
C712  
0.047  
BUZZER  
VOL-CLK  
R720  
R719  
R718  
330  
LCDCE1  
LCDCL  
LCDDA  
CFSEL R766  
2.2K  
330  
1.8uH  
1.8uH  
CN503  
QGA2501F1-02  
CASW4  
CASW5  
R752  
R767  
R758  
CN702  
QGF0501F1-06X  
330  
R717  
R716  
R715  
4.7K  
4.7K  
4.7K  
47K  
TRAY10V  
BUSSCK  
SO  
DMK  
TMK  
DIMIN  
Q964  
2SB709A  
SI/SO  
R740  
47K  
AU.LI  
AU.G  
AU.RI  
SUBW  
GND  
D963  
MA152WA  
C719  
470P  
MOTOR  
DOTCONT  
KEY0  
KEY1  
MODE  
W-VOL  
R964  
47k  
R338  
STANDBY  
Q983  
R742  
R714  
R713  
10K  
10K  
S.METER  
SQ  
2SD601A  
100  
R339  
100  
TELMUTE  
RESET  
ACC5V  
10V  
TAPE-IN  
SUBMO-  
SUBMO+  
10K  
Q981  
UN2111  
LEVEL  
Q982  
UN2211  
R712  
R711  
R710  
10K  
10K  
10K  
GND  
KEY2  
KEY1  
KEY0  
TAPE-END  
KICK  
REMOCON  
KEY1  
R743  
47K  
Q963  
UN2213  
Q986  
UN2211  
R7094.7K  
KEY2  
R746  
47K  
R7084.7K  
R7074.7K  
DOT  
LCDDA  
LCDCL  
LCDCE1  
VPP  
SCK  
R747  
R748  
R749  
R750  
47K  
47K  
47K  
47K  
CH.L  
R775  
10k  
R776  
Q991  
100k  
TAPE REC SIGNAL  
TUNER SIGNAL  
CD-CH SIGNAL  
LINE IN SIGNAL  
FRONT SIGNAL  
REAR SIGNAL  
SI/SO  
X1  
R777  
CH.R  
HOLD  
UDZS5.1B-X  
14V  
CN701  
QGF0503C1-16V  
22K  
R778  
R781  
330  
100  
DM0  
IC702  
PST600MG  
DM1  
DMK  
TM0  
TM1  
TMK  
R774  
100  
X701  
X702  
Q702  
2SB815  
R706  
10K  
RESET  
PP2  
IC771  
HD74HC126FP  
PP1  
R831  
Q791  
UN2211  
4.7K  
1
IC831  
R793  
0
R833  
KA3031  
Parts are safety assurance parts.  
When replacing those parts make  
sure to use the specified one.  
Q701  
3.3K  
UN2211  
A
D
E
G
H
B
C
F
I
2-2  
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KS-LX200R  
Mecha. control section  
6
5
4
3
2
Q401  
2SA1706/ST/-T  
CP401  
QGA2001F1-07  
Q402  
DTC114EKA  
R406  
300K  
C406  
0.01  
CP402  
QGB1214K1-10S  
R420  
15K  
C405  
22/16  
IC401  
C416 0.1  
IC402  
LB1641  
R419  
1.2M  
C409  
C418  
0.01  
0.01  
R410  
300K  
C419  
0.1  
Q403  
DTC114EKA  
D403  
MA3075( M)  
CP403  
QGB1214K1-18S  
1
TAPE REC SIGNAL  
A
D
E
G
H
B
C
F
I
2-3  
Download from Www.Somanuals.com. All Manuals Search And Download.  
KS-LX200R  
KS-LX200R  
LCD & Key control section  
R641  
3.9k  
R640  
2.7k  
R639  
1.8k  
R638  
1.2k  
R637  
820  
R636  
820  
CN631  
6
5
4
3
2
QGF0501F1-06X  
R651  
220  
R647  
3.9K  
R642  
R646  
2.7k  
R645  
R644  
1.2k  
R643  
R635  
220  
R634  
220  
1.8k  
820  
820  
QNZ0494-001  
IC603  
RPM6938-V4  
CN601  
QGF0501F1-16X  
D626  
RESET  
R629  
470  
R625  
470  
R628  
R627  
120  
R630  
VDD  
MA152WK  
Q691  
0
INV  
1K  
PC601  
PR-20  
2SD601A  
KEY1  
KEY2  
100k  
R691  
S63  
S42  
S41  
S40  
S39  
S38  
S37  
S36  
S35  
S34  
S33  
S32  
S31  
S30  
S29  
S28  
S27  
S26  
S25  
S24  
S23  
LCDDA  
R671  
R672  
R673  
R674  
R675  
330  
QNZ0495-001  
S64  
LCDCL  
330  
S65  
LCDCE1  
LCDCE2  
LCDRST  
3.3K  
3.3K  
3.3K  
PC602  
PR-20  
S66  
S67  
100k  
R693  
S68  
IC601  
COM1  
COM2  
COM3  
Q692  
2SD601A  
LC75873NW  
10K  
R601  
L612  
LCDRST  
LCDCE1  
LCDCL  
L611  
NQLZ007-680X  
C612  
LCDDA  
0.022  
Q612  
Q611  
2SD2185  
2SD2185  
1
A
D
E
G
H
B
C
F
I
2-4  
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