Service manual

CD-BA1500H
– 30 –
Figure 30 SCHEMATIC DIAGRAM (7/10)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
T303
SO301A
CF301
CONT
IF
FM/AM FM/AM
AM LOOP
ANTENNA
SD
ST IND
MO/ST
F OUT
IF OUT
VCC
VT
GND
GND GND ANT
VSS
AOUT
AIN
PD
VDD
FM IN AM IN
DO CL DI CE X IN
IF IN
REG AM IF IN
GND
SD
STEREO
FM/AM
OUT
VSM
AM LOW
CUT
AM RF IN
AM
OSC IN
FM AFC
AM OSC
OUT
AM MIX OUT
FM IF IN
1
2
1
2
MAIN PWB-A1 (3/3)
FM SIGNAL AM SIGNAL
2
13
2
1
3
2
1
3
2
345
1
78 6
2 3 4 51 7 8 96 1110
12
13
14
15
17
18
19
16
22
21 20
X OUT
1819 222324 21 20
2 3 4 51 76
AM OSC
AM
TRACKING fL
FM ANTENNA
TERMINAL
LOW
FI
L
+B
AM BAND
COVERAGE fL
AM IF
TP301
R386 22K
C38
6
330P
R37
6
1K
R39
1K
C354 0.022
C353 0.022
R352
1K
CF352
T351
R350
2.7K
C367
1/50
L354
C361 0.022
C362 3.3/50
R358
3.9K
R365
10K
C365 0.022
C366 0.001
C364 10/16
C363 0.022
R351 5.6K
C342
0.022
C350 0.022
C352 10/16
VD301
SUC348S
R336 10K
C351 0.022
R323 68K
C326
0.001
CF302
R378 1K
R382
150
C381
12P
(CH)
R380
1.5K
C393
1/50
C380
10/16
R372 1K
R381
10K
C382
15P(CH)
C397
0.022
C394
47/16
C392
0.001
C387 0.022
R374 1K R373 1K
C348
0.01
C375
0.001
C301
0.01
D303
DS1SS133
D304
DS1SS133
C345 0.022
C346 0.022
C347 0.022
R345 4.7K
R344 470
C321 100/16
Q301
2SC380 O
R349 33
R348 680
R347
6.8K
R346
330
R399
33
R369 15
L342
2.2µH
C341
0.022
D302
DS1SS133
D301
DS1SS133
T306
CNP302
L341
BALUN
C335
560P
C334
27P(UJ)
C302
0.001
C330
15P
(UJ)
C331
0.047
C332
0.022
C338
0.001
C323
0.022
L351
100µH
R377 47K
C385
0.01
R379 2.2K
FE301
FM FRONTEND
IC302
LC72131
PLL(TUNER)
X352
IC
LA1
FM IF DET./F
+B
+B
+B