H1 Board Schematic Diagram - Sony KV-AR25M86 Service Manual

(5) H1 Board Schematic Diagram

1 2 3
A
TO SP
CN3902
6P WHT:S-MICRO
TO B8 BOARD
B
CN6204
CN3901
4P BLK :S-MICRO
C
D
C3905
E
4.7
C3900
R3901
0.01
330
:PT
L3901
:EL0606
C3901
#
F C3906
4.7
C3902
R3900
0.01
330
:PT
L3902
C3903
:EL0606
#
G
H
J3901
I
J
4 5 6
CN3903
CN3906 #
#
L3903
#
R3923
JW(5MM)
C3914
JW(5mm)
C3907
#
R3924
#
D3901
NNCD9.1A-T1
R3918
220
PROTECTOR
R3919
220
D3907
NNCD9.1A-T1
C3904
47 C3913
PROTECTOR
1
25V
R3902
75 R3917
75
D3900
NNCD9.1A-T1
PROTECTOR
R3922
S
2.2k
12
34
Y C
J3902
TERMINAL,S
– 46 –
KV-AR25M86 KV-AR25M86
RM-993 RM-993
7 8 9
CN3904
9P RED:S-MICRO
TO B8 BOARD
CN1400
R3911
330
R3905
10k R3915
10k
R3913 R3914
10k 330
R3921
R3904
10k 100
R3920
Q3901
100
DTC144ESA
Q3902
DTC144ESA
LED DRIVE
LED DRIVE
J3903
3P
CN3907
6P BLK :S-MICRO
TO H2 BOARD
CN3603
10 11 12 13
CN3905
9P WHT :S-MICRO
TO A BOARD
CN904
H1
!
(FRONT AV IN, KEY SW)
D3905
NNCD9.1A-T1
PROTECT
C3910 R3916
47
47
16V
C3911
R3907 R3908
47
5.6k 470
16V
S3904
S3907
SWITCH
SWITCH
S3902 S3903
S3908
SWITCH SWITCH
SWITCH
– 47 –
14 15
D3908
NNCD9.1A-T1
PROTECT
R3909 R3910 R3912
1k 1.8k 3.3k
S3906
SWITCH
S3905
SWITCH
B-SSSBG3R-...-H1.