CD-BA3100 (serv.man5). Split - Section 3 - Block Schematic diagrams - 25-37 - Sharp Audio Service Manual (repair manual). Page 13

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– 37 –
CD-BA3100H
Figure 37 SCHEMATIC DIAGRAM (10/10)
7
8
9
10
11
12
FM SIGNAL 
AM SIGNAL 
9
2 10 1
3
6
5
4
7
8
11
12 13 14
17
16
15 14 13
MO/ST
SD
STEREO
FM DET
VCC 
IF OUT
PHASE 
PHASE
(FM/AM)
L-CH  OUT
R-CH  OUT
MPX  IN
MPX  VCO 
12
11
10
9
8
7
6
3 12
SD
IF IN
11
0
ST IND
MO/ST
 
RDS_RDDA
RDS_RDCL
RDS_READY 
RDS_RST 
GND(A_GND)
TUN_SM
DI
DO
CE
TUN_R 
CLK 
TUN_L 
A+10 V 
GND(D_GND)
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RDCL
RDDA
RST
MODE
VDDD
VSSd
VREF
XOUT
TEST
CIN
FLOUT
VDDA
MPXIN
XIN
VSSA
READY
RDS-ID/
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
ICT21
LC72723
RDS
DECORDER
Q360: SWITCHING
P31  12 - C
TO MAIN SECTION
MAIN PWB-A1(2/2)
AMP.
RT29
1K
RT30
1K
RT27
1K
RT28
1K
RT21
10K
RT31
10K
RT32
6.8K
CT24
10/16 
RT22
150
ZDT21
DZ5.1BSB
CT30
0.022
CT32
10/16
CT31
47/25
CT28
0.022 
CT26
560P
RT26
56K
RT24
56K
RT25
10K
CT29
0.022
QT21
KTC3199 GR
LT21
2.2
µ
H
CT22 0.022
XT21
4.332 MHz
CT25
22P(CH)
CT23
22P(CH)
CT21 47/25
CT27
0.022
LT22
2.2
µ
H
IC302
LC72131
PLL(TUNER)
R370
1K
IC303
LA1832S
FM IF DET./FM MPX./AM IF
R387
5.6K
C370
1/50
R393
1K
R376
1K
R355 3.3K
R359 1.8K
C369 27P(UJ)
C374 0.018
ZD351
DZ5.1BSB
C396      100/10
C395       0.022
R391
270
Q360
KTA1266 GR
R385
5.6K
R392        270
C372
1/50
C355
22P
R388 3.9K
C371
1/50
R386
22K
C388
0.001
R356
1K
C368 1/50
C398 100/10
C356 0.001
C357
2.2/50
C358
1/50
L354
LOW PASS
FILTER
C353       0.022
C399 0.022
C373 0.018
X351
456 kHz
R350
2.7K
R357 470K
R383
5.6K
C391
47/25
R384
5.6K
R395
47K
C386
330P
R360
4.7K
R377 47K
L352
100
µ
H
C367
1/50
R353 270
CF351
C354        0.022
TP302
TP

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