Regulator - Toshiba 19LV505 Service Manual

A B
8
FROM/TO POWER
CP3001
(CP501)
TWG-P23P-A1
23 KEY-A NC
22 KEY-B NC
POWER_FAIL
21 POWER_FAIL
20 INVERTER_H
7
19 LIGHT_CTL
18 POWER_ON-H
17 DTV_POWER_ON-H NC
16 GND
15 GND
14 GND
13 GND
12 GND
11 P.CON+3.8V NC
B3011
10 P.CON+3.8V NC
HCB1608KF-181T20
9 AT+5.8V
B3012
8 AT+5.8V
HCB1608KF-181T20
7 AT+5.8V
6
B3010
6 AT+12V
HCB1608KF-181T20
5 AT+12V
B3009
4 P.CON+31V
HCB1608KF-181T20
3 POP_MUTE NC
W861
FILTER_MUTE
2 FILTER_MUTE
W812
1 S_DET
5
(CP8501,CP8502)
TO DVD PCB
CD3002
E82M1101
FROM/TO DVD
W832
CP3002 (CP8501,CP8502)
4
A2006WV0-2X11P
W847
1 SPDIF-134
W849
2 ZERO
3 GND
W852
4 DVD_RESET
5 GND
W853
6 START_SW
B3022
TWIRE_TXDC
7 TX
FCM1608KF-102T02
8 GND
9 P.CON+3.3V
10 GND
(1608)
11 P.CON+6V
3
12 GND
W850
13 DVD_A_OUT_R
W851
14 DVD_A_OUT_L
W856
15 [V]Y_VIDEO
W857
16 [U]C_VIDEO
17 GND
B3023 TWIRE_RXDC
18 RX
FCM1608KF-102T02
19 P.CON+3.3V
B3016
20 P.CON+12V
FCM1608KF-102T02
21
P.CON+A5V
22
GND(M)
B3013
HCB1608KF-181T20
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
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.
A B
H-43
C
BLON
VDIM
REG_SW
for LCD PANEL
R3002
2.7 5.9 5.9
6.8K
3 2
AT+5.8V
LCD+B_SW
3.0
AT+12V
Q3009
0
LCD-H LCD+B_SW
RTQ035P02
Q3005
TUNER+30V 0
KRC102SRTK
4 5
5.9 5.9 5.9
S1_DET
5.0V REGULATOR IC
IC3007 BD7820FP
1 2 6 4 5
R3031 2.2 5.9 0 5.0 0.75
REG_SW
R3032
10K
3.9K
+-1%
DVD_SPDIF
ZERO_MUTE
DVD_RESET
START_SW
DVD+3.3V
MOTOR+6V
R3035
6.8K
2.7
DVD_R 5.9
3 2
DVD_L
2.8
DVD_Y
LCD+B_SW
0
DVD_C
LCD+B_SW
Q3010
Q3006
RTQ035P02
0
KRC102SRTK
4 5
5.9 5.9
SW+12V
MOTOR_GND
REG SW
Q3002
KRA101SRTK
5.9 5.9
AT+5.8V
0
3.2
0
SYS_POWER_H
REG SW
0
Q3001
KRC102SRTK
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D E
REGULATOR SCHEMATIC DIAGRAM
(DIGITAL PCB)
D3005 D3007
AT+5.8V
EC11FS4 EC11FS4
TSL0808
R3005
LV_CTL
1K
GND
D3002
B3008
EC31QS04
HCB1608KF-181T20
VDD_PANEL
D3006
EC31QS04
1
6
AT+5.8V
AT+5.8V
B3014
D5.0V
HCB1608KF-181T20
AT+12V
L3005
AT+5.8V
0 0
SW+12V
22uH
TSL0808
SW
0 Q3007
KTA1664-Y(GP)
SW 2.8
0
Q3008
KRC102SRTK
0
0
R3043
4.5
3.3V_POWER_H
B3015
1K 3.0
0
HCB1608KF-181T20
5.9 0
1
SW
0
Q3003
KRC103SRTK
6
5.9
AT+5.8V
R3003
D3003
REG_SW
2.2K
EC31QS04
D3.3V
CAUTION: DIGITAL TRANSISTOR
ATTENTION
: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
IC
VCC1.0V DC/DC
R3016 R3018
L3001
1.8K +-1% 150 +-1%
22uH
VDD CORE 1.05V IC
IC3001 BD9130NV
0.8 3.0
ADJ EN
3.3 3.3
VCC PVCC
L3002
0.3 1.0
ITH SW
0 0 5.2uHCDRH104R
GND PGND
GND
R3037
NC 0 5.8
1K
3 2 1
NC GND SW 3.3V REGULATOR IC
IC3009
S-1170B33UC-OTSTFG
IN OUT
4 5
5.8 3.3
VCC+3.3V DC/DC
0.047 for CORE
R3022 1/4W 2125
3.3
C3013 3.3 5.8
R3020
0.047 1/4W 2125
4 5 6
6.3V 68 CD
S D D
VDD CORE 1.8V IC
IC3002 AL1015 G D D
C3014 3 2 1
13.9
13.9
VIN CS
2.4 3.3 3.3
0.1 B 4.5 13.1
V5/PWON EXT
1.2 0
Vref/SS GND
R3024 R3025
1.3 1.3
CC FB
1.5K 220
+-1% +-1%
IC
1.8V_REGULATOR IC
IC3003
PQ035ZN1HZPH V_IN VB V_OUT V_ADJ GND
1 2 6 4 5
5.0 3.3 1.8 1.3 0
R3015 R3017
R3007
6.8K 150
100
+-1% +-1%
CAUTION: DIGITAL TRANSISTOR
F
G H
TO HDMI
D3.3V
GND
8
D5.0V
FROM/TO SCALER VIDEO/AUDIO
S1_DET
AT+3.3V
VDIM
GND
D3.3V
TWIRE_TXDC
TWIRE_RXDC
7
(typ 1.8A)
LCD-H
B3003
D1.0V TO TUNER
HCB1608KF-181T20
TUNER+30V
D3.3V
D5.0V
TO FLASH
D3.3V
BLON
AT+3.3V
6
GND
TO LVDS
D3.3V
D1.0V
VDD_PANEL
GND
FROM/TO MICON
AT+3.3V
LV_CTL
SYS_POWER_H
5
3.3V_POWER_H
AT+3.3V
STBY-H
IR_REMO
POWER_FAIL
DVD_RESET
START_SW
L3004
AT+5.8V
22uHCDRH104R
D5.0V
4
GND
TO SCALER POWER
GND
D3.3V
B3006 D1.8V
HCB1608KF-181T20
D1.0V
D3.3V
B3007
TO AV SWITCH
HCB1608KF-181T20
DVD_R
DVD_L
3
B3017
DVD+3.3V DVD_Y
HCB1608KF-181T20
DVD_C
SW+12V
D5.0V
D3.3V
L3003
(DDR2:typ 1095mA)
TO DDR
D1.8V
22uH D1.8V
TSL0808
GND
TO JACK
2
D3.3V
ZERO_MUTE
D5.0V
DVD_SPDIF
FILTER_MUTE
AT+5.8V
GND
1
PCBDH0
CEG360
G H
19LV505/19LV506 H-44