Sony KDF-55WF655K Service Manual page 38

(9) Schematic Diagram of H1, H2 Boards
1 3
2
A
B
S171
CH UP
C
R172
680
1/10W
:RN-CP
R171
470
1/10W
:RN-CP
D
E
F
4 5 6
S172 S173 S174 S175
CH DW VOL UP VOL DW INPUT
R173 R174
1k
2.2k
1/10W
1/10W
:RN-CP C171
:RN-CP
0.1
25V
B:1608
1
2
3
4
VD171 D171
UDZSTE-175.6B
TO G2:CN6021
(CONTROL SWITCHES)
9-965-972-01<LA3>H1
7 8 9
R4513 C4503
10k 0.01
1/10W 50V
:CHIP F:CHIP
IC171
RPM7140-H8
IR REC
IC172
TC7SET32FU
CN171
R176 R4504
4P
22k 100
WHT-L 1/10W 1/10W
R175
:1608 :1608
:1.5DL 47
1/10W
:1608
GND
KEY
GND
GND
C172 C173
0.1 10
25V 6.3V
F:CHIP B:3216
– 37 –
KDF-55WF655K/60WF655K
10 11 12
Q4510
DTA114EKA
Q4503
2PD601AR-115
R4506
10k
1/10W
:CHIP
R4512
220 D4504
1/10W SML-020MLT-T86
:CHIP
(3) (1)
(4) (2)
D4510
SML-010T-T86
SML-010T-T86
R4502 R4509
220 220
C4504 R4515 1/10W 1/10W
0.1 0 :CHIP :CHIP
16V 1/10W
B:1608 :1608
C4506
Q4508
0.01
DTC144EKA
50V
F:CHIP
R4505
0
1/10W
:1608
DTC144EKA
R4514
0
1/10W
:1608
C4508
0.01
50V
F:CHIP
CN4502
9P
WHT-L
TO G2:CN6021
RM-KD001 RM-KD001
13 14
Q4511
DTA144EKA
R4517
Q4504 10k
1/10W
2PD601AR-115
:CHIP
C4507
R4516 0.01 R4518
220 50V 10k
1/10W F:CHIP 1/10W
:CHIP :CHIP
D4503
Q4509
(POWER SWITCH)
9-965-972-01<LA3>H2