Sanyo DP19649 Service Manual page 38

A B
8
FROM/TO POWER
(CP501)
CP3001 TWG-P23P-A1
23 HP_AUDIO_L NC
NC
7 22 HP_AUDIO_R
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
14 GND
SK34A
13 GND
12 GND
W842
11 P.CON+3.3V NC
W843
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
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-21
C
REGULATOR SCHEMATIC DIAGRAM
R3012
6.8K 1/16W
3
0.6
G
PANEL_POWER-H 3.3 LCD+B_SW
Q3003
KRC102SRTK
0
S
4
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
0
AT+6V 5.8 5.8
SW
Q3002
KRA101SRTK 0
0
SYS_POWER-H
3.3
0
SW
Q3001
KRC102SRTK
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.
C
D E
(DIGITAL PCB)
VDD_PANEL
0.6 5.2 5.2
2 1
D D
D D
5 6
5.0 5.2 5.2
AT+6V
W805
AT+5V
D5.0V
5.0
5
VOUT
1
SW
5.8
REG_SW Q3005
KRC103SRTK 5.0
0
0
R3021 0
D1.25V 1.3
47 1/16W
0
1005
SW
Q3004
KTC3875S_Y_RTK
AT+5V
D3006
B3.3V
SK34A
R3027
D3.3V
1K 1/16W
1005
REG_SW
ATTENTION CAUTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
VCC1.25V DC/DC for CORE
L3002
10uH
C3048
0.1
B CDRH8D43NP
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
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
HCB1608KF-181T20
R3023
10K 1/16W
5.0 3.0 3.0 1.8
4 3 2 1 1005
5 6 7 8
1.8 0.8 0
NC
CAUTION: DIGITAL TRANSISTOR
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
D1.25V
FROM/TO FLASH
POWER_FAIL
PANEL_POWER-H
D5.0V
BLON
LIGHT_CTL
A3.3V
D3.3V
GND
TO DDR
7
D1.8V
GND
B3.3V
TO HDMI
D5.0V
D3.3V
GND
W899
A3.3V
FROM/TO SCALER VIDEO/AUDIO
A1.8V
FILTER_MUTE
6
A3.3V
D3.3V
GND
W905
D3.3V
TO TUNER
TUNER+32V
D5.0V
A3.3V
D3.3V
GND
TO LVDS
VDD_PANEL
D3.3V
5
GND
FROM/TO SCALER
SYS_POWER-H
S1_DET
POWER_FAIL
HP_DET
D3.3V
GND
B3016
A1.8V
4
L3003
D1.8V
10uH
CDRH8D43NP
TO SCALER POWER
A3.3V
D3.3V
A1.8V
D1.25V
GND
TO AV SWITCH
D5.0V
GND
3
GND
TO JACK
A3.3V
D5.0V
GND
2
PCBDH0
CEH432
CAUTION: DIGITAL TRANSISTOR
1
H
G-22