Printed Wiring Boards - Panel Section - Sony HCD-MX500i Service Manual

HCD-MX500i/MX550i

5-19. PRINTED WIRING BOARDS - PANEL Section -

1
KEY BOARD
A
B
STANDBY
C
FL BOARD
JW603
JW605
Q623 B E
D
54 53 51
E
F
HCD-MX500i/MX550i
• See page 23 for Circuit Boards Location.
2 3
1 4
CN624
S621 S622 S623
R643
R642
FUNCTION u
R637
D624
CN622
1 4
JL631
JL630
C637
C636
C631
C633
C632
49 48 JL636
R628
R629
JW604 R630
JL635
R631
IC621
C634
64
33
R632
C635
1
ND621 32
FLUORESCENT INDICATOR TUBE
R634
C640
R633
16 17
• : Uses unleaded solder.
4 5
S631
v
R651
R650
S624
R644
R645
S630 ENTER
x
l m
S625
R646 R649
TUNE –
S627
DSGX R647 R648
V
S629
(Page 31)
G MAIN BOARD
CN403
JL627
CN621
1
13
JL629
JL625
12 2
JL628 JL626 JL624
JL633
JL622
JL632 JL623
JW616
JL621
JW609
JW611
C646
JW602
JW601
B E Q622
4 2 1
38 38
6 7
+
M L
S626
TUNE +
S621 – 632
S628 TOOL MENU
–
R640
C641
2 1 3
R641
R638
JW612
C645
JW610
JW619
D622
C626
JW615
C625
R621
L621
D621
D623
R625
1
JL634
C627 C623
9
T621
JW614
FB621
C621
C629
C2 C1
R627
Q621
C628
R626
DC/DC
B2 E B1
R622
CONVERTER
TRANSFORMER
T621
1
9
8 9
S632
Z
11, 12
(11, 12)
1-882-116-
R639
RV621
ROTARY ENCODER
VOLUME
C642
2 3 1
R635
IC622
11, 12
(11, 12)
1-882-115-