Printed Wiring Boards - Changer Section - Sony HCD-C770 Service Manual

HCD-C770/C990
Q Q
3 7 6 3 1 5 1 5 0
6-9. PRINTED WIRING BOARDS – CHANGER Section – •
1
A
SW (4) BOARD
4
4
1
S716 (STOCKER IN/OUT)
B
OFF: The moment disc in/out
from stocker
S717 (DISC POSITION)
In the midst disc is moving between
play position and stocker,
ON: disc is play position side,
OFF: disc is stocker side
S718 (STOCKING)
OFF: In the midst disc is moving between
play position and stocker
C
SW (3) BOARD
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
2
1
OFF: When disc out
from play position
SW (2) BOARD
D
3
2
1
S714
(ON: Play position (8cm disc only))
SW (1) BOARD
E
3
1
1
F
• Semiconductor
Location
w w w
Ref. No. Location
D701 D-5
D711 E-6
D721 E-5
IC701 D-5
IC711 E-5
IC721 D-5
IC751 F-4
Q731 E-4
See page 35 for Circuit Boards Location.
2 3
5
4
11
1-685-011- (11)
3
2
(DISC OUT)
11
1-685-010-
S715
(11)
B
DVD BOARD
CN006
11
(DISC IN (8cm))
(Page 40)
(11)
1-685-009-
S713
(DISC IN (8/12cm))
(ON: Play position)
(DISC INSERT (8/12cm))
11
(ON: When disc insert)
SENSOR BOARD
(11)
1-685-008-
3
1
x a o
y
. i
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4 5
6
1
RELAY BOARD
2
1 3
4
1
2
1
3
1
Q Q
3 7 6
IC701
1
9
1 9
IC721
E
1
IC711
E K
C A
IC751
DISC INSERT
DETECT SENSOR
11
(11)
1-685-004-
u 1 6 3
38 38
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2 4
8 9 9
6 7
5
STOCKER MOTOR BOARD
MODE MOTOR BOARD
7
3 1 5 1 5 0 8 9 2
ROTARY ENCODER
(STOCKER POSITION)
1
4
3
G
2
1
ROLLER MOTOR BOARD
9
2 1
1-685-012-
11
(11)
m
c o
.
2
8 9 9
8
6
2 1
M 11
(STOCKER)
(11)
1-685-006-
M
4 9 8 2 9 9
(MODE)
ROTARY ENCODER
1 2 G 3 4
(MODE)
11
(11)
1-685-005-
2 1
M
(ROLLER)
11
(11)
1-685-007-