Service manual
CD-C662
– 26 –
A
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
Figure 26 SCHEMATIC DIAGRAM (9/10)
D_GND
A_GND
A_+12V
CLK
TUN_L
DI
TUN_R
CE
DO
8.4V
5.1V
4.4V
10.9V
0.2V
0V
4.4V
0.7V
TP302
TP301
X OUT
X IN
VSS
A OUT
A IN
PD
VDD
FM IN
AM IN
IO2
IF IN
IO1
BO4
BO1
DO
CL
DI
CE
AM
OSC
AM
+B
AM
RF
AM
IF
AM
MIX
AM
/FM
FM
+B
FM
DET
DET
OUT
FM IF
IN
GND
TUN
IND
L CH
R CH
VCO
FM–
M/ST
MPX
-IN
1
+B
+B
AM OSC.
+B
+B
+B
+B
+B
1
2
3
FM DET.
+B
1
2
VCO
FM/AM
SWITCHING
+B
+B
FM OSC.
FM IF
AM IF
1
C320
0.001
R360
1.5K
R359
47K
R313
47
C355
3.3/50
C356
3.3/50
C302
10P(CH)
C335
560P
D302
1SS133
CF301
R320
10K
R323
68K
C334
22P
(UJ)
C332
0.022
C331
0.047
T331
C317
3.9P(UJ)
R311
220K
R312
680
R321
120
R350
47K
C358
0.0015
C350
220/10
C349
0.022
C337
10/50
C333
0.022
T333
C351
0.0022
C354
220P
C304
4.7P
(CH)
IC302
LC72131
PLL(TUNER)
R348
33K
R347
3.9K
R365
680
R362
390
R371 1K
Q344
KRA102 M
SWITCHING
D304
1SS133
D305
1SS133
C353
0.018
C367
1/50
C363
0.015
C365
1/50
C360
0.022
L343
100µH
ZD351
MTZJ5.1B
C383
0.022
C311
0.022
C312
0.001
IC303
LA1805
C307
0.0047
C308
0.0047
C310
0.001
R303 100K
R301
33K
L302
FM RF
C364
0.015
C361
22/16
R379
2.2K
C382
15P
(CH)
C381
12P(CH)
X352
4.5MHz
D342
1SS133
R369
2.2K
C366
1/50
R352
15K
C359
0.022
C392
0.001
R374 1K
R373 1K
R372 1K
D303
1SS133
IC301 TA7358AP
FM FRONT END
R306
10
C306
18P(CH)
C305
15P(CH)
Q302
2SC535 C
OSC BUFF
C316
100P
C393
1/50
R380
1.5K
R381
10K
R316
4.7K
CF351
C369
47/16
C338
100P
C357
3.3/50
R361
10K
Q343
KRA109 M
R356
10K
C303
0.01
C319
0.022
C314
10/16
R375
1.2K
R302
22
R317
820
R314
10K
C318
22P(CH)
D301 1SS133
C309 4.7P
(UJ)
9
8
7
6
5
4 3 2 1
T352
VR351
6.8K(B)
9
8
7
6
5
4 3 2 1
9
8
7
6
5
4 3 2 1
VD303
SVC211C
VD302
SVC211C
R366
820
R367
820
L303
C313
0.022
T301
T351
FM SIGNAL
AM SIGNAL
AM ANT.
11V
2
3
2
3
VD331
SVC348S
C330
8.2P(UJ)
R305
82
BF301
3 2 1
CNP301
3
2
1
C395
0.001
P19 12 - C
TO MAIN/DECK SECTION
CHASSIS
GND
1
2
3
4
5
6
7
8
9
MAIN PWB-A1(1/2)
AM LOOP ANT
FM ANT
3
2
1
FM/AM IF MPX.
3
10 11
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ST
IND
10 11 12
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