Schematic Diagram Of H Board - Sony TRINITRON KV-XA25M60 Service Manual

(1) Schematic Diagram of H Board

1 2 3
A
CN3901
4P BLK :S-MICRO
TO SPEAKER
CN3902
6P WHT :S-MICRO
B
CN3903
TO B BOARD
CN6204
C
D
L3903
C3907
E
C3905
4.7
C3900
R3901
0.01
330
:MPS
L3901
F
:EL0606
C3901
#
C3906
4.7
C3902
R3900
0.01
330
:MPS
G
L3902
C3903
:EL0606
#
JW3900
H #
JW3904
I
J3901
JACK
J
– 63 –
KV-XA25M60/XA25M63/XA25N90
4 5 6
CN3904
9P WHT :S-MICRO
TO B BOARD
CN3906
CN1400
*
*
S
Y
*
R3923
JW(5MM)
C3914
S
JW(5MM)
*
R3924
#
D3901
R3918 NNCD9.1A-T1
220
PROTECTOR
R3919
220
D3907
C3904 NNCD9.1A-T1
47 C3913
PROTECTOR
25V 1
R3902
75 R3917
75
D3900
NNCD9.1A-T1
PROTECTOR
R3922
S
2.2k
1 2
Y
3 4
Y C
#
J3902
J3903
TERMINAL,S
3P
KV-XA25M60/XA25M63/XA25N90
RM-954 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
DTC144ESA
R3904 R3921
10k LED DRIVE 100
R3920
100
Q3902
DTC144ESA
LED DRIVE
D3906
SPB-26MVWF
WAKE UP INDICATOR
IC3901
*
RM-914
10 11 12
CN3602
4P
:VH
TO A BOARD
TO F BOARD
CN601
1 4
3 2
S3601
AC-PUSH-SW
( FRONT AV IN,SENSOR,
POWER SWITCH
D3905
NNCD9.1A-T1
PROTECT
NNCD9.1A-T1
C3910 R3916
47 47
16V
C3911
R3907 R3908
47
5.6k 470
16V
2
1
3
S3903
S3907 S3908
C3912 S3902
SWITCH
470p SWITCH
SWITCH SWITCH
B
– 64 –
13 14 15
CN3601
4P
:VH
CN4602
F3601
#
(
D3908
PROTECT
R3909 R3910 R3912
1k 1.8k 3.3k
S3905
S3904 S3906
SWITCH
SWITCH SWITCH
B-SSSBG3R-...-H..