Sony KDL-50R550A Service Manual page 44

G BOARD SCHEMATIC
G BOARD SCHEMATIC DIAGRAM (2 OF 3)
GE70 FOR 70" MODELS ONLY
1 2
A
VLED
B
UVLO
0 1/10W J
DIM'
R789A
C
D
E
F
PWM_DIMMER VLED
G
UVLO
0 1/10W J
R789B
DIM'
H
I
DELTA ELECTRONICS, INC.
J
THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF DELTA ELECTRONICS, INC.
AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR
SELL OF APPARATUSES OR DEVICES WITHOUT PERMISSION.
1 2
Frame Name:DF-SCA2H-1R01.SCH
Chassis RB1FK, BL
3 4 5
CMV-DP11282
L751A:2
511K 1/4W F
R761A
LED2+
BD9488F-E2
IC751A
OVPA
1K 1/10W F
FAILB
ADIM
CMV-DP11282
L751B:2
511K 1/4W F
R761B
LED3+
BD9488F-E2
IC751B
OVPB
FAILB
ADIM
Date: 12/28/12' LY.REV:
PWB: D248BPR3C0 FILE NAME:
DESCRIPTION:SCHEMATIC OF
SWITCHING POWER SUPPLY
3 4 5
6 7 8
TK6A60D(STA4,Q)
BAS316 10 1/4W F
Q751A
D752A R775A
22.1 1/4W F 10K 1/10W F
R774A R773A
TC54A
1K 1/10W F
R772A
R782A
VCC-INV
STB' LED2-
0 1/4W J
BAS316 301 1/4W F
R780A D753A R777A
10K 1/4W F 49.9K 1/10W F
R779A R778A
TK6A60D(STA4,Q)
BAS316 10 1/4W F
Q751B
D752B R775B
22.1 1/4W F 10K 1/10W F
R774B R773B
1K 1/10W F
TC54B
R772B
1K 1/10W F
R782B
VCC-INV
LED3-
STB'
0 1/4W J
301 1/4W F
BAS316
R780B D753B R777B
10K 1/4W F 49.9K 1/10W F
R779B R778B
Checked Approved
2 Drawn: KEVIN
D248BPR2
6 7 8
44
9 10
100pF 1KV K
C763A
A
MUR260RLG 3.5 1
D751A FB752A
LED2+
B
C
ISA
D
E
100pF 1KV K
C763B
F
MUR260RLG 3.5 1
D751B FB752B
LED3+
G
H
ISB
I
MODEL NAME REV. SHEET
J
DPS-248BP A
02 OF 03
9 10
Chassis RB1FK, BL