Read Sony ICF-CD863V Service Manual online
ICF-CD863V
25
25
5-10. SCHEMATIC DIAGRAM – POWER Section –
•
See page 28 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
[
no mark : TUNER
[
] : CD
CN354
R381
Q359
R382
R383
C372
C380
C373
R384
C374
C381
R653
R654
CN351
CN352
R353
BH352
BH351
BH353
BH951
CN901
C157
C156
C256
C158
C258
C259
C159
R158
R258
C355
C356
C255
C352
R260
C254
R253
R252
C252
C154
C155
R157
R257
R161
C152
R153
R152
Q251
Q151
R251
R151
D351
C351
Q252
R262
R162
Q152
R354
Q353
R356
R355
C378
R388
D355
R364
R160
R359
D356
R390
C375
D352
D357
R391
R361
C358
R363
R379
Q363
Q358
C377
R360
D353
D354
C370
R372
R373
R374
C367
CN353
C360
R365
R366
R367
C364
C365
C359
C371
R362
C357
C951
C952
R352
R358
R368
Q356
D951
C953
R951
R953
R954
C954
C955
C956
R956
D952
C957
C958
C960
C959
R958
R960
D953
C961
C962
C963
C964
F901
T901
C901
C902
R901
C903
D903
D904
C904
D902
D905
D906
C906
R902
R903
C905
C910
C907
C908
D909
D908
D907
D910
C909
R369
C362
C257
C368
C369
R371
R357
Q354
Q352
R256
R156
C151
C251
R181
R281
SP301
RV351
S651
S652
BP651
D901
R261
Q351
Q357
Q355
IC352
IC351
C361
Q951
Q952
Q953
C363
Q360
Q361
5P
100
2SC4081T106R
1k
100k
4.7
16V
16V
4.7
16V
16V
4.7
16V
16V
1k
10
10V
100p
470k
220k
12P
11P
1k
5P
7P
7P
6P
6P
1000
6.3V
6.3V
100
10V
10V
100
10V
0.22
0.22
0.22
0.22
2.2
2.2
2.2
1000p
47
10V
47
10V
22k
1000p
10k
10k
4700p
1000p
47
10V
220
220
4.7k
4700p
10k
10k
2SD1757K-T146
-RS
2SD1757K-T146
-RS
1k
1k
DAP202UT106
2.2
50V
50V
2SC4081T106R
22k
22k
2SC4081T106R
10k
2SC4081T106R
470
47k
1
4.7k
1SS355
3.3k
22k
1k
1SS355
100k
4.7
50V
50V
DAP202UT106
DAN202UT106
100k
1k
1000p
1k
220
2SC4081T106R
2SD1757K
-T146-RS
1000p
1k
1SS119
1SS119
10
50V
100k
4.7k
1k
100
10V
10V
2P
220 10V
220
47k
100k
0.22
0.22
100
10V
10V
22
25V
220
100
10V
10V
0.01
4700
16V
100k
47k
1k
DTA144EUA
-T106
MTZJ-T-77-5.6B
0.01
1
470
470
220
10V
10V
0.01
470
10V
10V
220
MTZJ-T-77-3.9A
0.01
220
10V
10V
470
10V
10V
0.01
1
470
MTZJ-T-77-6.8B
0.01
220
10V
10V
0.01
470
10V
10V
4A
125V
47
35V
47
35V
10k
47
35V
1SS119
1SS119
47 35V
1SS119
1SS119
1SS119
0.1
220k
100k
0.47
0.01
0.1
0.1
RL202-M11
RL202-M11
RL202-M11
RL202-M11
0.1
2.2
2.2
1000
6.3V
6.3V
0.22
0.22
2.2
4.7k
2SD1757K
-T146-RS
-T146-RS
DTA144EUA
-T106
4.7k
4.7k
1000p
1000p
20k
MTZJ-T-77
-22B
4.7k
DTC144EUA
-T106
2SC4081T106R
DTC144EUA
-T106
BA5417
BA5417
1
2SD2396K
KTC3203Y-AT
2SD2396K
100
10V
DTA144EUA-T106
DTA144EUA-T106
PREGND2
PREGND1
NF R
R IN
L IN
NF L
FILTER
STBY
VCC
(NC)
PREGND2
PREGND1
FILTER
STBY
VCC
(NC)
BS L
L OUT
R OUT
BS R
OUT2
OUT1
BS1
BS2
GND
POWER
GND
POWER
NF2
GND
BASS IN
NF1
POWER
TRANSFORMER
(AC IN)
MEGA
BASS
(WOOFER)
CLOCK
SUMMER T.
D.S.T
MUTING
Q151,251
BASS BOOST
SWITCH
BASS BOOST
SWITCH
SWITCH
STANDBY
Q351,352
SWITCH
STANDBY
Q355,356
BASS BOOST
SWITCH
MUTING
Q353,354
POWER AMP
POWER AMP
+5V REGULATOR
+3.3V REGULATOR
+6V REGULATOR
BUFFER
MUTING
CONTROL
SWITCH
MUTING
CONTROL
SWITCH
MUTING
Q357,363
J301
100
100
(Page 23)
(Page 23)
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