Printed Wiring Boards - Key Section; Schematic Diagram - Key Section - Sony HBD-E770W Service Manual

Q Q
3 7 6 3 1 5 1 5 0

5-31. PRINTED WIRING BOARDS - KEY Section -

• See page 34 for Circuit Boards Location.
1 2
KEY BOARD
A
S702
CN701
2
1
CL702
B
S705
C
S704 R705
CL701
R704
4
D
CN700
1
T E FL BOARD
L 1 3 9 4 2 2 9 6 5 1 3
CN800
(Page 64)
D
CL700
S703
R703
R702
FUNCTION
S700 – 705, 750
E
S701
R701
CL703
VOLUME -
F
S700
R700
VOLUME +
11
(11)
1-880-755-
w w w
HBD-E770W
• : Uses unleaded solder.
3 4
P-KEY BOARD
S750
CL750 C750
CL751 R750
11
(11)
1-880-756-
1 2
CN750
F-USB BOARD
5
CN100
CL101
6 7
1 4
JL102 JL103 JL104
ET100
CL100
(CHASSIS) 6 3 1
13
CN101
JL100 JL101 1-880-753- (13)
B MB-134 BOARD
CN602
(Page 48)
(Page 48)
C MB-134 BOARD
R-USB BOARD
CN601
CN151 JL151
1 3 6
JL153
CL150
JL154
JL152
JL150
4 1
CL151 ET150
5
6
CN150
13
(13)
(CHASSIS)
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y
. i
http://www.xiaoyu163.com
8

5-32. SCHEMATIC DIAGRAM - KEY Section -

1 2
KEY BOARD
A
CN700
4P
CL700
D
KEY2 1
CL701
KEY1 2
CL702
FL
KEY0 3
BOARD
CL703
CN800
DGND 4
(Page 65)
B
CN701
2P
D-GND 1
KEY0 2
C
Q Q
3 7 6 3
D
E
P-KEY BOARD
CN750
2P
CL750
D-GND 1
F CL751
C750
KEY0 2
100p
R750
100
u 1 6 3
.
59 59
2 4
9 9 8
3 4 5
F-USB BOARD
CN100
4P
S700
VOLUME +
R700
2.2k
S701
VOLUME -
R701
1k
JL100
S702
R702
100
R-USB BOARD
S703
CN150
4P
FUNCTION
R703
2.2k
1 5 1 5 0 8 9 2 4
S704
R704
1k
S705
R705
100
JL150
S750
/
m
c o
HBD-E770W
2
9 9
6 7
CN101
6P
1 GND
B
2 NC
JL104
3 DP
JL103
MB-134
4 DM
BOARD
JL102
(6/13)
5 VBUS
JL101
CN602
6 GND
(Page 40)
ET100
CL100 CL101
(CHASSIS)
CN151
6P
1 GND
9 8 2 9 9
C
2 NC
JL154
3 DP
JL153
MB-134
4 DM
BOARD
JL152
(6/13)
5 VBUS
JL151
CN601
6 GND
(Page 40)
ET150
CL150 CL151
(CHASSIS)