Schematic Diagrams Of H Board - Sony KV-XA25M50 Service Manual

(1) Schematic Diagrams of H Board

1 2 3
A
CN3901
4P BLK :S-MICRO
TO SPEAKER
B
CN3902
6P WHT :S-MICRO
TO B BOARD
CN6204
C
D
E
C3905
4.7
C3900
R3901
0.01
330
:MPS
L3901
:EL0606
C3901
F
C3906
4.7
C3902
R3900
0.01
330
:MPS
L3902
C3903
:EL0606
#
G
H
J3901
JACK
I
J
– 87 –
KV-XA25M50/XA25M80/XA29M50
KV-XA29M80/XA29M90/XA29N90
RM-954
4 5 6
CN3904
9P WHT :S-MICRO
TO B BOARD
CN3903
CN3906
CN1400
#
#
S
Y
L3903
#
R3923
JW(5MM)
C3914
S
C3907 JW(5MM)
#
R3924
#
D3901
NNCD9.1A-T1
R3918
220
PROTECTOR
R3919
220
D3907
C3904 NNCD9.1A-T1
47 C3913
PROTECTOR
#
25V
1
R3902
75 R3917
75
D3900
NNCD9.1A-T1
PROTECTOR
JW3900
R3922
# S
2.2k
1 2
Y
3 4
JW3904
Y
C
#
J3902
J3903
TERMINAL,S
3P
KV-XA25M50/XA25M80/XA29M50
RM-954
KV-XA29M80/XA29M90/XA29N90
RM-914 RM-954
7 8 9
CN3905
9 P RED :S-MICRO
TO A BOARD
CN904
5v
5v
R3905
10k R3915
R3911
10k
330
R3913 R3914
10k 330
Q3901
C3910
DTC144ESA
R3904 R3921 47
10k LED DRIVE 100
16V
R3920
100
Q3902
DTC144ESA
LED DRIVE
D3906
*
2
WAKE UP INDICATOR
3
IC3901
*
LED DRIVE
RM-954
RM-914
10 11 12
CN3602
CN3601
4P
4P
:VH
:VH
TO A BOARD
TO F BOARD
CN601
CN4602
F3601
#
1 4
3 2
S3601
AC-PUSH-SW
(
FRONT AV IN,SENSOR,
POWER SWITCH
D3905
NNCD9.1A-T1
D3908
PROTECT
NNCD9.1A-T1
PROTECT
R3916
47
C3911
R3907 R3908 R3909 R3910 R3912
47
5.6k 470 1k 1.8k 3.3k
16V
1
S3905
S3908 S3904 S3906
S3903
S3907
C3912 S3902
SWITCH SWITCH SWITCH SWITCH
SWITCH
470p SWITCH
SWITCH
B
– 88 –
13 14
B-SSSBG3R-...-H..