Printed Wiring Board - Karaoke (Mic) Board; Schematic Diagram - Karaoke (Mic) Board - Sony MHC-V11 Service Manual

MHC-V11

5-17. PRINTED WIRING BOARD - KARAOKE (MIC) Board -

5-18. SCHEMATIC DIAGRAM - KARAOKE (MIC) Board -

MHC-V11
1 2 3
KARAOKE (MIC) BOARD
(COMPONENT SIDE)
A
B
C
1 2
KARAOKE (MIC) BOARD
A
R67 R67
12V
B
P2 P2
5 MIC_DET1
DET1
4
DET1
2
SIN
3.3K 3.3K
3
SGND
7
DET2
8
DET2
1
GND
7PIN/CKX-064-13SA02H 7PIN/CKX-064-13SA02H
ESD11 ESD11
C37 C37
R81 R81
10K 10K
6.43mm
P3 P3
5
MIC_DET2
DET1
C 4
DET1 R83 R83
2
SIN
3.3K 3.3K
3
SGND
7
DET2
8
DET2
1
GND
7PIN/CKX-064-13SA02H 7PIN/CKX-064-13SA02H
ESD12 ESD12
C38 C38
R84 R84
10K 10K
D
IR
STB_5V
R85 R85
R86 R86
100 100
4.7K 4.7K
IR1 IR1
1 R87 R87
IR
2
GND
3
ESD13 ESD13
VCC C39 C39 C40 C40
4
+ +
GND
5 CE6 CE6
GND
E 47uF/16V 47uF/16V
• See page 24 for Circuit Boards Location.
4 5
KARAOKE (MIC) BOARD
(CONDUCTOR SIDE)
3 4
150 150
R68 R68 51K 51K REF
+ +
C29 C29
CE4 CE4 + +
0.1uF/50V/X7R 0.1uF/50V/X7R
22uF/16V 22uF/16V R69 R69 CE5 CE5
100uF/16V 100uF/16V
51K 51K
C31 C31 330pF/50V/NP0 330pF/50V/NP0
R71 R71 47K 47K
C32 C32
R75 R75 C33 C33
2 47pF/50V/NP0 47pF/50V/NP0
10uF/10V/X7R 10uF/10V/X7R 10uF/10V/X7R 10uF/10V/X7R
1 R76 R76 1.8K 1.8K
10uF/10V/X7R 10uF/10V/X7R
3
U2A U2A C42 C42 C41 C41
C34 C34 F4558 F4558
C35 C35
REF
REF
C36 C36
0.1uF/50V/X7R 0.1uF/50V/X7R
XP6 XP6
5PIN/2.0mm 5PIN/2.0mm
From MIC_knob(10K)
1K 1K IR
36 36
• : Uses unleaded solder.
5 6 7
KARAOKE
C30 C30
0.1uF/50V/X7R 0.1uF/50V/X7R
R70 R70 NC/0 NC/0
GND_IR
J2 J2
R72 R72 10K 10K
7PIN/2.0mm 7PIN/2.0mm
12V 7
7
6 6
6
7 R77 R77 1K 1K MIC_IN 5
5
5 STB_5V FB5 FB5 500/800mA 500/800mA 4
STB_5V
4
U2B U2B 3
3
F4558 F4558 IR R78 R78 2
0 0
2
R79 R79 MIC_DET R80 R80 1
0 0
1
680 680
XP5 XP5
To main board
8 9
STB_5V
MIC DETECT
R73 R73 R74 R74
4.7K 4.7K 4.7K 4.7K
D1 D1
MIC_DET1 1
3 MIC_DET
MIC_DET2 2
BAT54C BAT54C
R82 R82
10K 10K
NOT INSERTED: L
INSERTED: H