Sony HCD-EC98P - Printed Wiring Boards - KEY Section; Schematic Diagram - KEY Section

HCD-EC98P
HCD-EC98P
3838
R407
R408
R409
R410
R411
TP415
TP416
12
SW308
SW309
SW310
SW306
SW306SW307
SW308
13
SW301
SW302
W401
IC601
C698
1
3
1
3
JW614
W610
JW491
R491
R492
C491
C495
C496
KEY CD BOARD
1-875-521-
11, 12
(11, 12)
A
PANEL BOARD
CN303
DISC SKIP/
EX-CHANGE
DISC 1
CD
DISC 2
DMPORT
DISC 3
(US, CND)
;
;
SW301, 302,
SW306 - 310
(US, CND)
(US, CND)
(AUS)
KEY POWER BOARD
STANDBY
SUBWOOFER
ON/OFF
JACK BOARD
J491 J492
AUDIO IN
PHONES
91
C
MAIN BOARD
CN605
1-875-520-
11, 12
(11, 12)
B
PANEL
BOARD
CN305
REG BOARD
1-875-518-
11, 12
(11, 12)
D
MAIN
BOARD
W609
A
B
C
D
E
F
G
123456
A
CN303
BOARD
PANEL
BOARD
PANEL
B
CN305
(2/3)
C
CN605
BOARD
MAIN
MAIN
D
W609
BOARD
(2/3)
8.917.1
R407
2.2k
TP415
TP416
R408
2.7k
R409
3.9k
R410
6.8k
R411
15k
2P
W403
1
KEY-1
2
GND
SW308
DISC 3 DISC 2
SW307
DISC 1
SW306
KEY CD BOARD
DISC SKIP/
EX-CHANGE
SW310 SW309
CDDMPORT
(AUS)
(US, CND)
D
B
6
F
53
G
1
C
E
H
4
A
2
I
TP409
TP410
TP411
SW302
1
2
3
3P
W401
KEY-0
GND
KEY-SW-ON
/
STANDBY
SW301
KEY POWER BOARD
ON/OFF
SUBWOOFER
J491
C491
0.1
C495
1000p
C496
1000p
TP491
TP492
TP493
TP494
TP495
TP496
TP497
TP498
J492
R491
22k
R492
22k
1
2
3
4
5
6
7
8
9
9P
CN496
JACK BOARD
AUDIO IN
PHONES
0.1
C698
IO
G
1
2
3
3P
W610
IN
GND
OUT
REG BOARD
1
2
3
IC601
TA7809S
+9V REGULATOR
IC601
AUDIO-L
A-GND
AUDIO-R
HP-GND
HP-L
HP-R
AMP-ON
SP-RELAY
GND
(Page 37)
(Page 32)
6-16. SCHEMATIC DIAGRAM - KEY Section -
(Page 37)
(Page 32)
6-15. PRINTED WIRING BOARDS - KEY Section -
• : Uses unleaded solder.
• See page 27 for Circuit Boards Location.
(Page 36)
(Page 30)
(Page 36)
(Page 30)