Regulator - Sanyo DP19649 Service Manual

A B
8
FROM/TO POWER
CP3001 (CP501)
TWG-P23P-A1
7
23 HP_AUDIO_L NC
22 HP_AUDIO_R NC
21 POWER_FAIL
W810
20 INVERTER_H
19 LIGHT_CTL
W811
18 POWER_ON-H
17 DTV_POWER_ON-H NC
16 HP_DET
15 MOTOR_GND NC
D3002
14 GND
W842
SMAB34
13 GND
12 GND
W843
6 11 P.CON+3.3V NC
10 P.CON+3.3V NC
9 AT+5.8V
8 AT+5.8V
7 AT+5.8V
6 AT+12V
5 AT+12V
W819
4 P.CON+32V
3 POP_MUTE
NC
2 FILTER_MUTE
1 S_DET
5
4
3
2
CAUTION
ATTENTION
:SINCE THESE PARTS MARKED BY ARE
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
G-21
C
REGULATOR SCHEMATIC DIAGRAM
R3012
6.8K 1/16W
0.6
3.3 LCD+B_SW
PANEL_POWER-H
Q3003
KRC102SRTK
0
POWER_FAIL
BLON
LIGHT_CTL
LVDS
REG_SW
HP_DET
AT+6V
D3003
AT+5V
SMAB34 6.46 5.52
4
AT+6V
3 2
6.46 0
TUNER+32V
FILTER_MUTE
S1_DET
SW Q3002
KRA101SRTK
AT+6V 5.8 5.8
0
0
SYS_POWER-H SW Q3001
3.3 KRC102SRTK
0
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
:LES PIECES REPAREES PAR UN ETANT
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(DIGITAL PCB)
VDD_PANEL
0.6 5.2 5.2
3 2 1
G D D
LCD+B_SW
Q3008
AT+6V
TPC6108
S D D
4 5 6
5.0 5.2 5.2
W805
AT+5V
D5.0V
5
1
NC
REG_SW
SW Q3005
KRC103SRTK 5.0
0
1005
0
R3021 0
D1.25V 1.3
47 1/16W
0
SW Q3004
KTC3875S_Y_RTK
AT+5V
B3.3V
1005
R3027
D3.3V
1K 1/16W
REG_SW
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F
VCC1.25V DC/DC for CORE
L3002
10uH
C3048
0.1 B LQH88PN
NC
6.0 0.9 0.9 0
8 7 6 5
EN COMP FB GND
SS BST VIN SW
1 2 3 4
2.3 6.5 6.0 1.2
GND
VCC 3.3V DC/DC for CORE
C3035 R3005 L3008
25V 0.01 B 1005 39 10uH
LQH88PN
2.17 5.86 1.46 0.86
8 7 6 5
SS
EN COMP FB
BOOT VIN SW GND
1 2 3 4
0
10.36 6.61 6.77
GND
VCC+1.8V REG
IC
D3006
SMAB34
1005
R3023
10K 1/16W
5.0 3.0 3.0 1.8
4 3 2 1
5 6 7 8
1.8 0.8 0
NC
CAUTION: DIGITAL TRANSISTOR
F
G H
8
D1.25V
FROM/TO FLASH
POWER_FAIL
PANEL_POWER-H
D5.0V
BLON
7
LIGHT_CTL
A3.3V
D3.3V
GND
TO DDR
B3.3V
D1.8V
GND
W904
A3.3V
TO HDMI
W900
6
D5.0V
D3.3V
GND
FROM/TO SCALER VIDEO/AUDIO
W903
D3.3V
A1.8V
W899 FILTER_MUTE
A3.3V
GND
TO TUNER
5
TUNER+32V
D5.0V
A3.3V
D3.3V
GND
TO LVDS
VDD_PANEL
D3.3V
GND
FROM/TO SCALER 4
SYS_POWER-H
S1_DET
POWER_FAIL
HP_DET
D3.3V
GND
TO SCALER POWER
3
B3016
A1.8V A3.3V
D3.3V
HCB1608KF-181T20
A1.8V
L3003 D1.25V
D1.8V
GND
10uH
LQH88PN
TO AV SWITCH
D5.0V
GND
TO JACK
2
A3.3V
D5.0V
GND
GND
PCBDH0
CEJ500
CAUTION: DIGITAL TRANSISTOR
1
G H
G-22