Regulator - Sanyo DP19649 Service Manual

A B
8
FROM/TO POWER
CP3001 (CP501)
TWG-P23P-A1
23 HP_AUDIO_L NC
7 22 HP_AUDIO_R NC
21 POWER_FAIL
20 INVERTER_H
19 LIGHT_CTL
18 POWER_ON-H
17 DTV_POWER_ON-H NC
16 HP_DET
15 MOTOR_GND
D3002
W842
14 GND
SK34A
13 GND
12 GND
W843
11 P.CON+3.3V NC
10 P.CON+3.3V NC
6
9 AT+5.8V
8 AT+5.8V
7 AT+5.8V
6 AT+12V
5 AT+12V
4 P.CON+32V
3 POP_MUTE NC
2 FILTER_MUTE
1 S_DET
5
4
3
2
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
1
A B
G-21
C
REGULATOR SCHEMATIC DIAGRAM
(DIGITAL PCB)
R3012
6.8K 1/16W
0.6
PANEL_POWER-H 3.3 LCD+B_SW
Q3003
KRC102SRTK
0
POWER_FAIL
BLON
LIGHT_CTL
LVDS
REG_SW
HP_DET
AT+6V
D3003
AT+5V
SK34A 6.0
4
VIN
AT+6V
GND ON/OFF
NC
3 2
0
NC
AT+12V
TUNER+32V
FILTER_MUTE
S1_DET
5.8 5.8
AT+6V
SW
Q3002
KRA101SRTK 0
0
SYS_POWER-H
3.3
0
SW
Q3001
KRC102SRTK
ATTENTION NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
:LES PIECES REPAREES PAR UN ETANT
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
DANGEREUSES AN POINT DE VUE SECURITE
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
VDD_PANEL
0.6 5.2 5.2
3 2 1
G D D
LCD+B_SW
Q3008
SI3443BDV
S D D
4 5 6
5.0 5.2 5.2
AT+6V
W805
AT+5V
D5.0V
5.0
5
VOUT
1
5.8 SW
REG_SW
Q3005
KRC103SRTK 5.0
0
0
R3021 0
D1.25V 1.3
47 1/16W
0
SW
Q3004
KTC3875S_Y_RTK
AT+5V
B3.3V
R3027
D3.3V
1K 1/16W
REG_SW
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F
VCC1.25V DC/DC for CORE
L3002
10uH
C3048
0.1 B CDRH8D43NP
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
L3008
0.1 B
10uH
CDRH8D43NP
5.0 1.2 0.9 0
8 7 6 5
EN COMP FB GND
SS BST VIN SW
1 2 3 4
2.3 8.3 6.0 3.4
GND
VCC+1.8V REG
IC
D3006
SK34A
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
LIGHT_CTL
A3.3V
7
D3.3V
GND
TO DDR
B3.3V
D1.8V
GND
W899
A3.3V TO HDMI
D5.0V
D3.3V
6
GND
W905
D3.3V FROM/TO SCALER VIDEO/AUDIO
A1.8V
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
B3016
A3.3V
A1.8V
3
D3.3V
HCB1608KF-181T20
A1.8V
L3003
D1.25V
D1.8V
GND
10uH
CDRH8D43NP
TO AV SWITCH
D5.0V
GND
TO JACK
2
A3.3V
D5.0V
GND
GND
PCBDH0
CEH432
CAUTION: DIGITAL TRANSISTOR
1
G H
G-22