Sony HCD-XB33K / HCD-XB44K / LBT-XB33K / LBT-XB44K Service Manual ▷ View online
HCD-XB33K/XB44K
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— 48 —
6-12. SCHEMATIC DIAGRAM – HEADPHONE-MIC SECTION –
4. 7 0 .8
HCD-XB33K/XB44K
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6-13. PRINTED WIRING BOARD – PANEL SECTION –
• See page 25 for Circuit Boards Location.
N
T C - B S W B O A R D
N O 8 0 6
( P a g e 4 5 )
K
C D - B 1 S W
B O A R D
N O 8 1 1
( P a g e 4 5 )
XB44K
XB44K
KEY-CONTROL
KEY-CONTROL
XB44K
SUPPER WOOFER
( P a g e 5 7 )
NO801
( P a g e 4 6 )
( P a g e 4 5 )
( P a g e 4 6 )
KEY-CONTROL
XB33K
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
16
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D601
E-10
D602
E-11
D606
C-10
D607
C-9
D611
A-2
D612
A-2
D613
C-4
D614
E-4
D615
G-2
D616
E-6
D617
G-8
D618
F-12
D619
F-11
D620
F-10
D621
F-10
D622
F-9
D623
F-7
D624
E-7
D625
E-7
Ref. No.
Location
Ref. No.
Location
IC601
B-8
IC602
B-11
Q601
B-8
Q602
D-3
Q603
E-2
Q604
B-3
Q605
E-3
Q606
E-4
Q607
E-4
Q608
E-5
Q609
E-5
Q610
E-5
Q611
E-5
Q614
G-5
Q617
G-5
Q618
G-5
Q619
G-5
Q621
G-5
HCD-XB33K/XB44K
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6-14. SCHEMATIC DIAGRAM – PANEL SECTION –
• See page 30 for Waveforms. • See page 78 for IC Pin Functions.
HCD-XB33K/XB44K
6-15. PRINTED WIRING BOARD – POWER SECTION –
• See page 25 for Circuit Boards Location.
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(Page 58)
10
15
E
C
CN109
(Page 57)
F
C807
G
CNP901
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
16
CN901
CN902
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