Sony KDL-50R550A Service Manual page 42

G BOARD SCHEMATIC
G BOARD SCHEMATIC DIAGRAM (2 OF 2)
GE60 FOR 60" MODELS ONLY
1 2
A
REG_12V'
B
75K 1/4W F 75K 1/4W F
OVP
R761 R762
BOOST+
C
100 1/10W F
R790
PWM_DIMMER
D
E
F
G
200K 1/4W F
R785A
BOOST+
100K 1/4W F 100K 1/4W F
R788A R788B
H LED+'
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
CPV-DP12210
L751:3
BD9488F-E2
IC751
10K 1/10W F
R782
1K 1/10W F
VCC-INV
R783
BL_ON
0 1/4W J
FAILB
R780
ADIM
499K 1/10W F 499K 1/10W F
R785B R787
LM258ADR
LM258ADR
1uF 25V K
IC752:1
IC752:2
C796 C790
10K 1/10W F
20K 1/10W F
R788D 1/2 VLLC R794C
VREG
Date: 12/21/12' LY.REV: 2
PWB: D200PP188R3C0 FILE NAME:
DESCRIPTION:SCHEMATIC OF
SWITCHING POWER SUPPLY
3 4 5
6 7 8
SB5H100-E3/73
2.5 3 1
FB754
220pF 1KV K
BAS316 0 1/4W J AP20N15GI
D752 R775
Q751
47.5 1/4W F 10K 1/10W F
R774 R773
TC54C
100pF 50V J
C773
LED-
BAS316 1K 1/4W F
D753 R777
2.49K 1/4W F 10K 1/10W F
IS
R779 R778
10 1/4W F
R796A
REG_12V' VCC-INV
VREG
REG_12V''
R795D
ADIM
BAS316
D755C
OVP
Checked Approved
Drawn: KEVIN
D200PP188R2
6 7 8
42
9 10
A
D751
BOOST+
C763
B
C
D
E
F
CN3
LED4-
LED-
LED4+
LED3-
LED- G
LED3+
LED2-
LED-
LED2+
LED1-
LED-
LED1+
FAILB
H
I
MODEL NAME REV. SHEET
J
DPS-200PP-188 A
02 OF 02
9 10
Chassis RB1FK, BL