Sharp CD-ES770, Service Manual

Page: 3 / 14

CD-ES770
– 3 –
A
B
C
D
E
F
G
H
1 2 3 4 5 6
FM
FRONTEND
FM IF DET./FM MPX./AM IF
0.022
0.022
10/50
0.01
100P(CH)
100P(CH)
100P
(CH)
100P(CH)
10K
100P
22K
470
0.022
4.7P
(CH)
10P(CH)
0.022
22P
KTC3194Y
OSC.
BUFFER
0.001
0.001
15P(CH)
10
4.7K
47K
10K
4.7P (CH)
33K 0.001
100K
0.01
0.01
22
4.7P(CH)
1N4148H
TA7358AP
680
47P
0.001
0.001 0.001
270
330P
47K
5.6K
47/25
5.6K
68K
470K
2.7K
0.001
15P(CH)
0.022
0.015
0.022
0.022
150
SVC347S
3.3/50
0.022
1K
1N4148H 1N4148H 0.001
1/50
2.2/50
0.001
100/10
1/50
1K
1K
15P(CH)
0.047 0.022
22P
(CH)
270
5.6K
KTA1266S
GR
270
0.022
10K
0.022
100/10
DZ5.1BSB
0.015
27P(CH)
1.8K
3.3K
1K
1K
1/50
5.6K
2.2/50
LC72131
LC72131
PLL(TUNER)
1K
0.001
3.9K
100
µ
H
0.001
0.022
1K
1K
1/50
1/50
1.5K
1/50
0.022
R379
2.2K
10/50
100
µ
H
560P
22P(CH)
47K
4.7K
1/50
0.022
0.022
3.9K
0.022
5.6K
10K
12P(CH)
0.022
0.022
10/50
47/25
1
2
3
LA1832S
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
1
2
3
4
5
6
7
8
9
SVC230C
SVC230C
DO
A+10V
CLK
DI
CE
FM
75
OHMS
GND
(CH)
AM LOOP
ANTENNA
4.5 MHz
10.7 MHz
TP301
TP302
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
1 2
1 2
AGND
DGND
TUN_R
TUN_L
P6-13
12-C
TO
MAIN
SECTION
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
MAIN PWB-A1 (1/3)
FM ANTENA
TERMINAL
AM
TRACKING
fL
AM
ANTENNA
FM RF
FM
IF
FM
OSC.
AM
OSC.
AM BAND
COVERAGE fL
FM
BAND
COVERAGE
fL
AM
IF
FM SIGNAL
AM SIGNAL
+B
+B
+B
+B
+B
D302 D301
C338
C302
C323
BF301
BAND PASS FILTER
CNP301
C303
C304
C320
C305
IC301
C347
C306
C311
18P
(CH)
R302
C324
C307
VD303
C313
R309
T301
CF303
C312
C310
C309
L312
VD302
C308
R311
D305
R313
R314
C315
C316
C317
C318
Q302
R325
R322
R316
R336
C342
T303
C331
C332
C330
R365
C362
C361
R358
R350
C366
C363
C364
C367
C365
X351
456 kHz
R357
C373
C368
R356
C374
C369
C371
C372
C358
C357
C356
C355
R355
C370
R353
CF351
C353
C354
CF352
T351
R352
C399
C398
R393
R388
L352
ZD351
C395
C396
R392
R391
Q360
C391
R383
R385
R384
C388 C384
R395
R359
SWITCHING
R387
R360
C385
C386
R376
L351
R377
R381
C392
C387
R380
C380
C394
C393
C397
R382
C381
X352
C382
R375
C383
R378
R372
R374
R373
C377
C378
C379
C376
R386
IC302
IC302
IC303
R351
C389
C351
C350
C352
VD301
T306
R323
C335
C334
T302
SO302
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1 (CD-ES700).
Figure 3 SCHEMATIC DIAGRAM (1/7)
: Changed