Regulator - Sanyo DP26670 Service Manual

A B
8
FROM/TO REGULATOR2
CP3002
A2001WV-15A
1 SOUND+B
2 SOUND+B
3 SOUND GND
7 4 SOUND GND
5 GND
6 GND
7 SW+12V
8 SW+12V
9 GND
10 GND
11 (LCD+B)
B3008 HCB1608KF-121T20
12 (LCD+B)
W815
13 GND
14 AT+6V
15 AT+6V
6
W909
5
FROM/TO REGULATOR2
CP3001 (CP3903_1)
A2001WV-14A
1 TUNER+30V GND
2 P.CON+5V
B3004
3 P.CON+5V
4 GND
HCB1608KF-121T20
5 DVD+3.3V/NC
6 DVD+3.3V/NC
7 GND
8 RLY_H(GND)
4
9 POWER_ON_H
10 LIGHT_CTL
11 INVETER_H
12 POWER_FAIL
13 GND (PANEL_POW_H)
14 GND
3
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-27
C
REGULATOR SCHEMATIC DIAGRAM
R3012
6.8K 1/16W 1005
0.6 12.0 12.0
3 2
0.6
PANEL_POWER-H LCD+B_SW
SOUND+B
LCD+B_SW
3.3 Q3003
0 Q3008
KRC102SRTK
GND TPC6110
4 5
GND
12.0 12.0 12.0
W861
SW+12V
LVDS
W804
LCD+B
LCD+B
SW
Q3007
KTC3875S_Y_RTK 6.0
0
SW
0
Q3010
KTC3875S_Y_RTK
D3003
D3007 1005
AT+5V 0
R3025
POWER_FAIL 3.3
SMAB34 SMAB34
AT+6V
6.8K
0
1/16W
B3012
HCB1608KF-181T20
1005
R3032
B3001
AT+6V
10K 1/16W HCB1608KF-221T20
NC
0 5.0
1 2 3
D5.0V
5 4
3.3 6.0
STANDBY-LED_CTL
SYS_POWER-H
LIGHT_CTL
BLON
POWER_FAIL
SW+12V
NC
4 5
DVD+3.3V
PANEL_POWER-H
3 2 1
R3014
10K 1/16W
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
1
L3001
AT+6V
4.7uH
6 LQH88PN
R3026
POWER_ON
4.7K 1/16W
1005
R3033
10K 1/16W
1005
D3.3V
AT+3.3V
STB3.3V
AT+5V
W896
B3.3V
R3008
D3.3V
1K 1/16W
1005
P.CON+11V
CAUTION ATTENTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
VCC3.3V DC/DC for CORE
L3008
C3035 R3005
25V 0.01 B 1005 39 10uH
B3015
LQH88PN
3.1 3.1 0.7 HCB1608KF-181T20
2.0
8 7 6 5
SS
EN COMP FB
B3020
HCB1608KF-181T20
BOOT VIN SW GND
1 2 3 4
7.2
6.0
3.3 0
GND
VCC1.25V DC/DC for CORE
L3002
C3024 R3004
B3014
25V 0.01 B 1005 39 10uH HCB1608KF-181T20
LQH88PN
2.0 3.25 1.2
0.8
8 7 6 5
SS
EN COMP FB
BOOT VIN SW GND
1 2 3 4
5.3 1.3 0
6.0
GND
VCC+1.8V REG
IC
R3016
10K 1/16W 1005 B3016
5.0 3.0 3.0 1.8
HCB1608KF-221T20
4 3 2 1
L3005
10uH
TSL0808
5 6 7 8
NC 1.8 0.8 0
GND
CAUTION: DIGITAL TRANSISTOR
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
FROM/TO FLASH
D3.3V
PANEL_POWER-H
8
D5.0V
BLON
LIGHT_CTL
AT+3.3V
A3.3V
D3.3V
GND
FROM/TO DDR2
D1.8V
A3.3V
GND
FROM/TO HDMI
AT+3.3V
B3.3V
7
GND
FROM/TO TUNER
D5.0V
D1.25V
6
AT+5V
GND
FROM/TO LVDS
VDD_PANEL
GND
FROM/TO MICON
D5.0V
SYS_POWER-H
5
AT+3.3V
D3.3V
POWER_FAIL
STANDBY-LED_CTL
POWER_ON
GND
FROM/TO SCALER POWER
A1.8V
STB3.3V
D1.8V D3.3V
A1.8V 4
A3.3V
D1.25V
GND
FROM/TO JACK2
P.CON+11V
AT+6V
GND
FROM/TO JACK
3
D5.0V
DVD+3.3V
GND
FROM/TO SOUND
A3.3V
SOUND+B
GND
2
PCBDH0
CEJ554
1
H
G-28