Sharp CD-ES770 Instrukcja serwisowa - Strona 3

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Sharp CD-ES770 Instrukcja serwisowa
: Changed
A
MAIN PWB-A1 (1/3)
FM SIGNAL
B
AM SIGNAL
C
+B
D
C377
100P(CH)
C378
100P(CH)
E
F
CE
1
DI
2
CLK
3
DO
4
A+10V
+B
5
G
AGND
6
DGND
7
TUN_R
8
TUN_L
9
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1 (CD-ES700).
1
C315
0.01
C316
0.022
C317
0.001
Q302
KTC3194Y
R316
4.7K
C382
15P(CH)
X352
R382
4.5 MHz
150
R375
470
C383
47P
X IN X OUT
1
22
C376
C393
100P(CH)
VSS
21
1/50
R381
2
AOUT
20
R374
1K
10K
3
CE
R373
1K
4
DI
R372
1K
5
CL
19
AIN
R378
1K
R379
6
18
DO
PD
2.2K
C379
FM/AM
100P
17
7
VDD
(CH)
16
FM IN
IF
8
CONT
15
AM IN
C385
9
FM/AM
14
0.01
L351
100µH
10
SD
13
MO/ST
IF IN
12
11
ST IND
R377
C386
R376
47K
330P
R386
1K
22K
R395
R360
47K
4.7K
R359
1.8K
+B
SWITCHING
R384
R385
5.6K
5.6K
C391
47/25
R391
R383
270
5.6K
+B
C384
C388
0.001
0.001
2
3
Figure 3 SCHEMATIC DIAGRAM (1/7)
SO302
FM ANTENA
2
1
TERMINAL
2
1
D305
1N4148H
C308
10P(CH)
4.7P
FM RF
C304
L312
1
(CH)
0.01
C309
R311
2
0.001
100K
3
C320
R313
4
0.001
VD302
SVC230C
33K
5
6
C310
15P(CH)
C311
T301
18P
(CH) R302
7
10
8
C347
9
0.022
C306
0.022
C313
22P
(CH)
1
C307
10/50
2
3
CF303
TP301
+B
C397
C351
0.022
0.022
C352
10/50
C394
47/25
C350
0.022
C387
R352
1
2
0.022
1K
3
CF352
C353
R393
0.022
1K
C354
0.022
CF351
10.7 MHz
R353
270
C399
0.022
C398
C357
100/10
2.2/50
R387
C355
5.6K
22P
R388
(CH)
3.9K
C358
1/50
C370
1/50
L352
100µH
FM IF DET./FM MPX./AM IF
ZD351
DZ5.1BSB
4
– 3 –
AM LOOP
ANTENNA
CNP301
BF301
BAND PASS FILTER
1
2
C303
3
AM BAND
COVERAGE fL
T306
C335
560P
C334
22P(CH)
R323
68K
VD301
SVC347S
R336
10K
C342
0.022
R351
R358
5.6K
3.9K
R365
FM IF IN
1
24
AM OSC OUT
10K
AM OSC IN
23
C362
2
AM MIX OUT
3.3/50
C361
FM AFC
22
0.022
3
REG
AM RF IN
21
C363
0.022
C364
VSM
20
2.2/50
AM IF IN
C365
4
19
AM LOW CUT
0.022
C366
FM/AM OUT
18
0.001
5
GND
6
SD
C367
R350
1/50
2.7K
7
STEREO
8
FM DET
X351
456 kHz
MPX VCO
17
C368
9
VCC
TP
1/50
16
MPX IN
R356
R357
10
IF OUT
C369
1K
470K
11
PHASE
C374
27P(CH)
15
R-CH OUT
0.015
14
L-CH OUT
C373
12
PHASE
MO/ST
13
0.015
(FM/AM)
C371
1/50
IC303
LA1832S
5
CD-ES770
C302
0.001
C323
0.022
C330
15P(CH)
6