Service manual

– 31 –
CD-BA1500H
Figure 31 SCHEMATIC DIAGRAM (8/10)
7
8 9 10 11 12
XT21
CNS303
GND
CE
DO
DI
CLK
GND
A_12V
TUN_L
TUN_R TUN_SM
A GND
D GND
SD
T6
TP
T4
TP
VDDA
XIN
VDDD
CE
MO/ST
ST IND
MO/ST
SYR
CL
DO
RDS-ID
DI
SYNC
T7
VSSD
XOUT
T5 T3
T2 T1 CIN
MPXIN VSSA FLOUT
VREF
IF IN
SD
STEREO
FM DET
VCC
IF OUT PHASE
(FM/AM)
PHASE
L-CH
OUT
R-CH
OUT
MPX IN
MPX VCO
OU
TP
2
345
1
78 6
2 3 4 51
KCDBAFG E
g
I
7
8
6
11
0
12
3
13141517 16
13
14
15
17
18
19
16 22
23
24
21 20
7 8 96 121110
RDS PWB-G
2 3 4 51 7 8 96 121110
LOW PASS
FILTER
TO MAIN SECTION
P27 11-C,10-H
TP302
4.332MHz
RT51
10K
QT22
KTA1266 GR
RT32 10K
RT33 56K
QT21
KTC3199 GR
RT34 56K
CT36 0.022
CT37
0.022
CT27
22P
(CH)
CT26
22P
(CH)
LT22
2.2µH
CT28
47/10
CT29
0.022
RT21 100K
CT25
560P
LT21 2.2µH
CT21 47/10
CT22 0.022
RT26 1K
RT30 1K RT29 1K RT28 1K
CT24 0.022
ICT21
LC72722 RDS DECORDER
CT23 10/16
RT37 220K
RT36 220K
RT35 220K
RT48
390
RT49
390
CT43 10/16
ZDT21 DZ5.1BSB
CNP303
C388
0.001
R384 5.6K
C391
47/16
R383
5.6K
R392
270
R385
5.6K
Q360
KTA1266 GR
R391
270
C395
0.022
C396
100/10
ZD351
DZ5.1BSB
L352
100µH
R359 1.8K
R370 1K
R386 22K
R360
4.7K
C386
330P
R395
47K
R376
1K
R387 5.6K
R388 3.9K
C398 100/10
C399 0.022
R393
1K
C370 1/50
R355
3.3K
C358
1/50
C357
2.2/50
C355 22P
C356 0.001
C354 0.022
CF351
R353
270
C353
0
.
022
R362
1.2K
R361
1.2K
R364
47K
R363
47K
X351
C373
0.015
C374 0.015
C369 27P(UJ)
C368 1/50
R356 1K
R357 470K
R350
2.7K
C367
1/50
C372
1/50
C371
1/50
L354
H
R377
47K
IC303
LA1832S
IF DET./FM MPX./AM IF
+B
+B
+B
+B
+B
+B