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CT-R442
4-6.
PRINTED WIRING BOARDS – KEY/AUX Boards –
1
2
KEY BOARD
(COMPONENT SIDE)
A
B
A
LED604
C
K
D
E
KEY BOARD
(CONDUCTOR SIDE)
S616
TUNER TU
S606
F
3
1
S621
S621
G
ROTARY ENCODER
C610
AUDIO CONTROL
R606
R617
R607
H
S611
I
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
D601
G-10
LED604
C-1
D602
G-11
LED605
D-3
LED606
C-13
IC601
F-8
LED610
G-5
LED601
C-4
Q601
G-10
LED602
A-3
Q603
G-5
3
4
5
A
LED602
K
A
K
LED601
A
LED605
K
C603
C602
C604
R610
R611
S615
R609
DSPL
S604
PS
A. ME
R614
R613
E
R615
Q603
LED610
R624
(LCD BACK LIGHT)
R625
S612
S601
C609
LO
S602
SRC
R618
SEL
S607
TA
S608
PWR
MUTE
6
7
8
LED601, 602, 604 − 606
(KEY ILLUMINATION)
A
K
1
33
32
LCD601
LIQUID CRYSTAL DISPLAY
48
17
49
16
IC601
C601
64
1
R612
S601, 602,
S604 − 609,
S611 − 616
18
18
9
10
11
12
41
15
R608
R601
14
R605
R616
R602
K
K
K
K
E
R604
C605
R603
D601
Q601
D602
A
A
AUX BOARD
11
(11)
J601
AUX
13
14
A
LED606
S603
K
3
S610
5
11
1-687-805-
(11)
A
MAIN BOARD
CN701
(Page 13)
1
CN601
2
S614
6
S605
4
S609
S613
R619
1
2
11
1-687-805-
(11)
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