Sony HCD-F250AV / MHC-F250AV Service Manual ▷ View online
HCD-F250AV
— 65 —
— 66 —
6-20. SCHEMATIC DIAGRAM — PANEL SECTION —
• See page 84 for IC Black Diagrams.
HCD-F250AV
G
F
H
D
TO
MAIN BOARD
CN103
(Page 52)
TO
MAIN BOARD
CN502
(Page 52)
TO
MAIN BOARD
CN105
(Page 52)
TO
AMPLIFIER BOARD
CN804
(Page 71)
1-669-653-
11
SURR BOARD
1
18
E
E
E
E
E
1
4
1
6
1
81
64
65
65
25
24
24
41 40
16
— 67 —
— 68 —
6-21. PRINTED WIRING BOARD — SURROUND AMP SECTION —
• See page 33 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
Ref. No.
Location
D863
G-9
IC201
E-5
IC831
E-11
Q291
H-8
Q292
B-8
Q831
G-10
Q834
G-9
Q881
C-9
• Semiconductor
Location
HCD-F250AV
— 69 —
— 70 —
6-22. SCHEMATIC DIAGRAM — SURROUND AMP SECTION —
• See page 75 for Waveforms. • See page 85 for IC Black Diagrams.
HCD-F250AV
— 71 —
— 72 —
6-23. PRINTED WIRING BOARD — POWER SECTION —
• See page 33 for Circuit Boards Location.
TRANS BOARD
AMPLIFIER BOARD
B
D
C
E
TO
MAIN BOARD
CN111
(Page 51)
TO
MAIN BOARD
CN101
(Page 52)
TO
MAIN BOARD
CN104
(Page 52)
TO
SURR BOARD
CN831
(Page 68)
1-669-649-
11
(11)
1-669-647-
11
(11)
AC
IN
IN
1
1
18
1
1
8
1
3
6
3
E
E
E
E
T991
16
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
Ref. No.
Location
D801
G-3
D811
F-3
D812
F-3
D813
F-5
D821
D-2
D851
G-6
IC801
H-4
Q801
H-2
Q811
G-5
Q812
F-5
Q851
G-6
• Semiconductor
Location
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