Sony HCD-C990 Service Manual - Page 40

IC701, IC721, IC711

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HCD-C770/C990 7-9. PRINTED WIRING BOARDS - CHANGER Section - • See page 37 for Circuit Boards Location. 1 2 3 4 5 6 7 8 A SW (4) BOARD 5 6 5 6 1 RELAY BOARD STOCKER MOTOR BOARD 4 4 1 4 11 S716 (STOCKER IN/OUT) 1-685-011- (11) B OFF: The moment disc in/out from stocker 3 S717 (DISC POSITION) In the midst disc is moving between play position and stocker, 2 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 3 2 1 S715 OFF: When disc out (DISC OUT) 11 1-685-010- (11) from play position SW (2) BOARD D 2 3 (DISC IN (8cm)) 1-685-009- B DVD BOARD 11 CN006 (11) (Page 42) 1 S714 (ON: Play position (8cm disc only)) S713 (DISC IN (8/12cm)) (ON: Play position) 1 4 2 3 1 2 1 3 1 1 1 IC721 4 3 G 2 1 9 IC701 ROTARY ENCODER (STOCKER POSITION) 9 21 M (STOCKER) 11 1-685-006- (11) MODE MOTOR BOARD 7 M (MODE) 1 ROTARY ENCODER (MODE) 12G34 11 1-685-005- (11) ROLLER MOTOR BOARD 21 M SW (1) BOARD E E 1 3 1 (DISC INSERT (8/12cm)) (ON: When disc insert) 11 1-685-008- (11) SENSOR BOARD F • Semiconductor Location Ref. No. Location EK CA 3 IC751 DISC INSERT 1 DETECT SENSOR 11 1-685-004- (11) D701 D-5 D711 E-6 D721 E-5 IC701 D-5 IC711 E-5 IC721 D-5 IC751 F-4 Q731 E-4 40 40 1 9 21 IC711 1-685-012- 11 (11) (ROLLER) 11 1-685-007- (11)

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HCD-C770/C990
40
40
7-9. PRINTED
WIRING
BOARDS
– CHANGER Section –
•
See page 37 for Circuit Boards Location.
RELAY BOARD
IC701
IC721
IC711
2
3
1
4
1
1
2
1
3
B
DVD BOARD
CN006
4
3
G
2
1
ROTARY ENCODER
(STOCKER POSITION)
1-685-012-
11
(11)
1
9
2
1
4
3
2
1
SW (2) BOARD
3
1
(DISC IN (8cm))
S713
(DISC IN (8/12cm))
(ON: Play position)
S714
(ON: Play position (8cm disc only))
1-685-009-
11
(11)
SW (1) BOARD
SENSOR BOARD
IC751
MODE MOTOR BOARD
ROLLER MOTOR BOARD
STOCKER MOTOR BOARD
SW (3) BOARD
2
1
1-685-010-
11
(11)
OFF: When disc out
from play position
S715
4
1
4
SW (4) BOARD
(DISC OUT)
S716 (STOCKER IN/OUT)
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
1-685-011-
11
(11)
3
1
(DISC INSERT (8/12cm))
(ON: When disc insert)
1-685-008-
11
(11)
1
2
M
(STOCKER)
1-685-006-
11
(11)
K
A
E
C
3
1
1-685-004-
11
(11)
M
(MODE)
1
2
G
3
4
ROTARY ENCODER
(MODE)
7
1
1-685-005-
11
(11)
M
(ROLLER)
1
2
1-685-007-
11
(11)
6
5
5
6
3
2
1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
1
1
9
9
DISC INSERT
DETECT SENSOR
E
• Semiconductor
Location
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
(Page 42)