H1 Board Schematic Diagram - Sony TRINITRON KV-AR25M81A Service Manual

(5) H1 Board Schematic Diagram

1 2 3
A
TO SP
B
CN3902
6P :S-MICRO
TO A BOARD
CN901
CN3901
4P BLK :S-MICRO
C
D
C3905
E 4.7
C3900
R3901
330
L3901
:EL0606
C3906
4.7
F
C3902
R3900
330
L3902
C3903
:EL0606
G
H
J3901
JACK
I
J
4 5 6
CN3903 CN3906 #
#
L3903
#
R3923
JW(5MM)
C3914
C3907 JW(5mm)
#
R3924
#
D3901
#
R3918
#
0.01 PROTECTOR
R3919
:PETP
#
D3907
#
C3904
C3901 C3913
#
PROTECTOR
# #
R3902
0.01
# R3917
:PETP
#
D3900
# #
PROTECTOR
R3922
S
#
1
2
3 4
Y
C
J3902
#
– 38 –
KV-AR25M81A KV-AR25M81A
RM-952 RM-952
7 8 9
CN3904
9P :S-MICRO
TO A BOARD / B9 BOARD
CN904 / CN7403
R3911
330
R3905
10k R3915
10k
R3913 R3914
10k 330
R3904 R3921
100
10k
R3920
Q3901
100
DTC144ESA
Q3902
LED DRIVE DTC144ESA
LED DRIVE
J3903
3P
CN3907
6P
:S-MICRO
TO H2 BOARD
CN3603
10 11 12 13
CN3905
9P :S-MICRO
TO A BOARD
CN904
(FRONT AV IN, KEY SW)
D3905
NNCD9.1A-T1
PROTECT
D3908
NNCD9.1A-T1
PROTECT
C3910 R3916
47 47
16V
C3911
R3907 R3908 R3909 R3910
47
5.6k 470 1k 1.8k
16V
S3904
S3907
SWITCH
SWITCH
S3902 S3903
S3908
S3905
SWITCH SWITCH
SWITCH
SWITCH
B-SSSBG3R-11477-CKD...-H1.
– 39 –
14 15
R3912
3.3k
S3906
SWITCH