Printed Wiring Boards - Amp, Power Supply Section - Sony CFD-CD777SMK2 Service Manual

CFD-CD777SMK2
6-14. PRINTED WIRING BOARDS – AMP, POWER SUPPLY Section – •
Q Q
3 7 6 3 1 5 1 5 0
1 2
POWER BOARD
A
B
4
C
CNW305
1
5 1
C905
D
C904
C907
C902
T E
L 1 3 9 4 2 2 9 6 5 1 3
D904
D902
C901
D903
D901
C903
C906
E
T901
POWER
TRANSFORMER
F
G
w w w
See page 23 for Circuit Boards Location.
3 4 5
DRY BATTERY SIZE "D"
(IEC DESIGNATION R20)
BATTERY BOARD
JW912
J901
AC IN
JW913
CNP902
1
DC JACK BOARD
S901
J902
VOLTAGE SELECTOR
DC IN 12V
100 – 120V
220 – 240V
12
(12)
1-670-303-
• Semiconductor Location
Ref. No. Location Ref. No.
D904
D321 E-10
D323 E-10 D905
D324 F-9
x a o
IC103
D325 F-9 y
D326 F-10
D337 E-10 Q309
. i
Q310
D338 F-8
D901 E-1 Q311
D902 D-1 Q319
D903 D-2
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6 7
8PCS. 12V
H/P BOARD
JW910
JW911
4 12
(12)
1-670-300-
R114
R214
C124
C224
4 1
CNP903
CNP306
1 5
D905
F903
CNP904
4 1
11
(11)
Q Q 1-860-815-
3 7 6
AMP BOARD
CNW306
R126
1 5
R109
CNP317
E
1
4 1
MAIN BOARD
CNP315 3
C215
C122
(Page 24)
CNW315
C115
C310
R110
C221
C218
C120
C118 C220
C219
R111
C217
C116 R211
C309
C117
C216
2
1
IC103
Location
D-2
C-6
u 1 6 3
G-7
G-10
.
G-9
G-10
G-9
32 32
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2 4
8 9 9
8 9 10
SP902 SP901
(TWEETER) (WOOFER)
J301
C125
PHONES
+ –
L
SPEAKER BOARD
12
(12)
1-670-299-
3 1 5 1 5 0 8 9 2
MAIN BOARD
F (Page 24)
CNP313
JW108 JW109
CNP305
5 1
1 CNW313 13
JW107
JW117
JW106 JW110
JW111
C318
JW112
C313
C121
JW115
C392
C314
C391
22
B C E B C E B C E B
23
Q319 Q310 Q309 Q311
m
c o
2
8 9 9
11
SP903 SP904
(WOOFER) (TWEETER)
C225
J304
+ –
R SPEAKER IMPEDANCE 4Ω
CNW317
1 4
12
(12)
1-670-306-
4 9 8 2 9 9
D321
D323
R359
C352
R410
R388
C342
12
C349 (12)
1-670-295-
C E