Printed Wiring Board - Karaoke Board (Sp, Ru); Schematic Diagram - Karaoke Board (Sp, Ru); Printed Wiring Board - Power Key Board; 6-24. Schematic Diagram - Power Key Board - Sony HBD-E2100 Service Manual

HBD-E2100/E3100/E3200/E4100/E6100
Ver. 1.5
6-21. PRINTED WIRING BOARD – KARAOKE Board (SP, RU) –
• See page 36 for Circuit Boards Location.
1 2 3
KARAOKE BOARD
(SP, RU)
A
J71
MIC 1
B
C95
CL80
C
C85 CL84
C86
R71
C82
C73
C74
R81 R80
JW52
JR
CL83
CL76
R85
JW53
CL74
D
JR
CL73
CL72
CL71
CL75
1 3 7
CN71
PANEL
BOARD
G
CN03
E
(Page 56)

6-22. SCHEMATIC DIAGRAM - KARAOKE Board (SP, RU) -

1 2 3
KARAOKE BOARD
A
(SP, RU)
B
CN71
7P
CL71
SDA 1
PANEL
C
CL72 R87 100
MIC_DET 3
BOARD
CL73
F
SCL 4
CL74
CN03
AGND
5
CL75
(Page 57) MIC_SIG 6
CL76
A5V 7
D
R88
470
E
HBD-E2100/E3100/E4100/E6100
•
: Uses unleaded solder.
4 5 6 7
J72
MIC 2
R73
C78 CL79
C75
C76
R87
C71
CL81
11
(11)
1-887-377-
(CHASSIS)
4 5 6 7
R78
C80
1M
10
R77
C77
C81 10k
C78 1
0.1
4.7
5 2.5 0.9 2.5 2.5
8 9 10 11 12 13 14
Bias Detector
IC71
NJM2783V (TE2)
IC71
MIC AMP
7 6 5 4 3 2 1
2.5 2.5 2.5 2.5 2.5 2.5 2.5
C74
R72
R76 0.22
C85 1k
47k
1
C82
R71
1000p
C94
1000p
100k
270p
R80 R75
R81
15k 1k
8.2k
C84 C95
2.2 R86
0.1
0
CL84
C86
C89 C88 C87
2.2 CL83
0.1
10 10
5 2.5 2.5
8 9 10 11 12 13 14
R82
IC72
0
NJU72341V (TE2)
C76
IC72 R74
0.22
1k CL79
ELECTRICAL
VOLUME
R73
6 5 3
7 4 2 1
100k 1000p
C93
3.3 3.3 2.5
2.2
R84 100
R85 100
8
8 9
CL77
J71
MIC 1
C73
C71
1000p
CL81
CL80
J72
MIC 2
C75
58 58
6-23. PRINTED WIRING BOARD – POWER KEY Board –
• See page 36 for Circuit Boards Location.
1 2 3
POWER KEY
A
BOARD
S41
CL42
&/1
B
C41
R41
CL41
TP41
11
(11)
1-887-135-
C
A
MB1002
BOARD
CN804
D
(Page 43)
E

6-24. SCHEMATIC DIAGRAM - POWER KEY Board -

1 2 3
A
POWER KEY BOARD
MB1002
BOARD
R41
C
(6/6) TP41
100
CL41
CN804
(Page 50)
B
CL42
•
: Uses unleaded solder.
4 5 6
4
S41
C41
0.1 "/1