Printed Wiring Boards - Key Section - Sony HCD-GT22 Service Manual

HCD-GT22/GT44/GT55
Q Q
3 7 6 3 1 5 1 5 0
7-28. PRINTED WIRING BOARDS – KEY Section –
1 2
KEY LEFT BOARD
A
R655
D611
D611, S602
S602
1
STANDBY
B
IC601
C602
R657
1 2 3
C601
R656
R602
1
C
S
S603
PANEL
BOARD
7
(Page 50)
(GT44/GT55) R603
TUNER/
S604
T E
L 1 3 9 4 2 2 9 6 5 1 3 BAND
R604
D
S605
R605
AUDIO S606
E
R606
USB S607
D612, S608
R607
SUBWOOFER
R688
S608
R698
F
D612
(GT44/GT55)
1-872-791-
w w w
HCD-GT22/GT44/GT55
• See page 27 for Circuit Boards Location.
3 4 5
(GT55)
KEY TOP BOARD
D608
D609
S648 FOCUS
(BASS)
R648 R647
S649
R678
R668
D609, S649
BASS
12
(12)
x a o
y
. i
http://www.xiaoyu163.com
: Uses unleaded solder.
6 7
Q Q
3 7 6
R643
D607
S647 FOCUS S644 FOCUS
(VOCAL) (GUITER)
R644
R646
D607, S645
S646 S645
R645 R667
GUITAR
R677
D608, S646
VOCAL
6 1
MAIN BOARD
G (Page 37)
CN903
u 1 6 3
52 52
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2 4
8 9 9
8 9
KEY RIGHT BOARD
R632
R633
R627
3 1 5 1 5 0 8 9 R634 2
R635
S643 +
R636
R642
S642 ENTER
R641 R637
S641 –
12
1-872-793- (12)
• Semiconductor
Location
Ref. No. Location
m
D607 A-4
D608 A-2
c o D609 A-1
D611 D-2
D612 H-2
.
IC601 D-2
2
8 9 9
10 11
S602 – 608,
S628,
631 – 638
S641 – 649
S631 DISC 1
R631
S632 DISC 2
S633 DISC 3
EX-CHANGE/
S634
DISC SKIP
1
R
3
PANEL BOARD
CN605
Z
(Page 50)
S628
OPEN CLOSE
4 9 8 2 9 9
S635
x
CD-USB
S636
SYNC/REC
CD-TAPE
S637
SYNC
TAPE REC
S638
PAUSE/START
12
(12)
1-872-792-