Schematic Diagram Of H Board - Sony KV-XA25M80 Service Manual

(1) Schematic Diagram of H Board

1 2 3
A
CN3901
4P
B
BLK
:S-MICRO
TO SPEAKER
CN3902
6P
WHT
:S-MICRO
TO B BOARD
CN6204
C
D
E
C3905
4.7
R3901
C3900
330
:MPS
L3901
F
:EL0606
C3901
C3906
4.7
R3900
330
L3902
G
:EL0606
H
J3901
JACK
I
J
KV-XA25M80/XA25M83/XA25N90
4 5 6
CN3904
WHT
:S-MICRO
CN3903 CN3906
TO B BOARD
*
* CN1400
S
Y
L3903
* R3923
JW(5MM)
C3914
S
C3907 JW(5MM)
*
R3924
#
D3901
NNCD9.1A-T1
R3918
220
PROTECTOR
R3919
0.01
220
D3907
NNCD9.1A-T1
C3904
47 C3913
PROTECTOR
# 25V 1
R3902
75 R3917
C3902
75
0.01
C3903 D3900
NNCD9.1A-T1
#
PROTECTOR
JW3900
R3922
# S
2.2k
1 2
Y
3 4
Y C
JW3904
#
J3902
TERMINAL,S
– 63 –
KV-XA25M80/XA25M83/XA25N90
RM-954 RM-914 RM-954
7 8 9
CN3905
9P
9P
RED
:S-MICRO
TO A BOARD
CN904
5V
5V
R3905
10k
R3915
R3911
10k
330
R3913
R3914
10k
Q3901
330
DTC144ESA
R3904
R3921 C3910
10k LED DRIVE
100 47
16V
R3920
Q3902
100
DTC144ESA
LED DRIVE
D3906
SPB-25MVWF
WAKE UP INDICATOR
IC3901
*
LED DRIVE
J3903
3P
RM-914
10 11 12
CN3602 CN3601
4P
4P
:VH :VH
TO A BOARD TO F BOARD
CN4602
CN601
JW3602
F3601
#
JW3601
1 4
S3601
AC-PUSH-SW
3 2
(
FRONT AV IN, SENSOR
POWER SWITCH
D3908
NNCD9.1A-T1
D3905
PROTECT
NNCD9.1A-T1
PROTECT
R3916
47
C3911 R3907
R3908 R3909 R3910
47 5.6k
470 1k 1.8k
16V
2
1
S3905
3 S3904
S3908 S3903
C3912 S3902
S3907 SWITCH
SWITCH
SWITCH
470p SWITCH
SWITCH
SWITCH
B
B-SSSBG3R-...-H..-XA25M80
– 64 –
13 14
R3912
3.3k
S3906
SWITCH