Sharp CD-BA3000 - Page 25

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CD-BA3000
Figure 25 SCHEMATIC DIAGRAM (10/10)
7
8 9 10 11 12
DI CE D0 CLK
A_GND
D_GND TUN_L TUN_R TUN_SM +B
P18 12 - D
TO MAIN SECTION
SPARE
CONT
IF
FM/AM
FM/AM
SD
TP
MO/ST
ST IND
MO/ST
VSS
AOUT
AIN
PD
VDD
FM IN
AM IN
DO CL DI CE
X IN
X OUT
IF IN
REG
AM IF IN
GND
SD
STEREO
FM DET
VCC
IF OUT
PHASE
(FM/AM)
PHASE
L-CH OUT
R-CH OUT
MPX IN
MPX VCO
FM/AM OUT
VSM
AM LOW CUT
AM RF IN
AM OSC IN
FM AFC
AM OSC OUT
AM MIX OUT
FM IF IN
2 3 4 51 7 8 96 1110
12131415161819 17 22 21 20
2 3 4 51 7 8 96 12
131415
11
171819
10
16 222324 21 20
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
123456789 10
FM SIGNAL
AM SIGNAL
IC302: PLL(TUNER)
AM IF
SWITCHING
1
2
3
H)
X352
4.5MHz
R375
470
2
(CH)
R374 1K
R372 1K R373 1K R378 1K
R380
1.5K
R381 10K
C393 1/50
R379 2.2K
C392 0.001 C387 0.022
C397
0.022
C394
47/16
C380
10/16
C385 0.01
L351
100µH
382
50
R395
47K
R385
5.6K
R384 5.6K
R360
4.7K
C386
330P
R377
47K
R376
1K
R359
1.8K
R387 5.6K
ZD351
MTZJ5.1B
C396
100/10
Q360
KTA1266GR
C391
47/16
R383
5.6K
R392
270
R391
270
C388
0.001
R370
1K
C355
22P(CH)
L352
100µH
R388 3.9K
C370
1/50
C356
0.001
CF351
R353 270
C353 0.022
C354 0.022
C398 100/10
C399 0.022
C357
2.2/50
R355
3.3K
C358
1/50
R393 1K
R352 1K
CF352
T351
C352 10/16
C351 0.022
C350 0.022
R351 5.6K
C361 0.022
C362 3.3/50
R365 10K
C342 0.022
R358
3.9K
C367
1/50
R350
2.7K
C366 0.001
C365 0.022
C364 10/16
C363 0.022
R356 1K
R357 470K
C369 27P(UJ)
C368 1/50
X351
456kHz
C373 0.015
C374 0.015
C372
1/50
C371
1/50
R361
1.2K
R363 1.8K
R364 1.8K
R362
1.2K
R386
22K
C395
0.022
IC302
LC72131
IC303
LA1832S
FM IF DET./FM MPX./AM IF