Power - Toshiba 42HP66 Service Manual

A B
8
L3801
FROM/TO PDP POWER MODULE
22uH TSL0808
CD3802
CU622201
7
CP3802 (CP509)
A2501WV2-2P
1 9VSC
2 GND
6
FROM/TO TUNER/OUT JACK
CP3803 (CP510)
L3802
A2501WV2-12P
1 5VSC
10uH TSL0808
2 5VSC
3 5VSC
4 GND
5 GND
L3803
6 GND
7 12VSC
22uH TSL0808
8 12VSC
9 GND
5 10 GND
11 NC/ST_BY_H NC
12 NC/INVERTER_DET NC
CD3803
CU6C1701
FROM/TO SOUND AMP/HEADPHONE
GND
4
0.001
FROM/TO PDP POWER MODULE
R3805
CP3804
A2501WV2-7P
R3801
1 ACD/P.FAIL
47K
2 RLY ON/LCD-H
L3804
3 5VST_BY/AT+5V
22uH TSL0808
4 GND
5 VS ON/LCDON
R3802
6 5VD/LIGHT_CTL
47K
7 NC/POWER_ON_H NC
CD3804
3
CU672301
FROM/TO PDP POWER MODULE
0 5
SW
CP3801
Q3801
0
A2501WV2-4P
DTA124EKA
1 30V or 24V
0
SW
2 30V or 24V
Q3802
0.7
3 SOUND GND KRC102SRTK
0
4 SOUND GND
2
CD3801
CU641802
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-11
C
C3804
B
220K
AT+5V
R3806
100K
SW
Q3804
DTA124EKA
R3808
5 5
4.7K
0
SW 0
Q3805
KRC102SRTK
0.7
0
L3805
6.8uH SBC4-6R8-452
CAUTION
:SINCE THESE PARTS MARKED BY ARE ATTENTION
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D E
POWER SCHEMATIC DIAGRAM
(AV PCB)
REGULATOR
IC3804
PQ070XF01SZH
IN OUT
1 2
5.0 3.5
W842
C3839
0.0056 B
R3824 R3825
R3826 100K 6.8K
+-1% +-1%
Q3808
33K
2SJ650
CHOPER
24
1.2 1.2 1.2 2.5 16 0 32
14 13 12 11 10 9 8
NON CTL SCP VCC
INV
VREF
1/2VRE
24 DRIVER
23
Q3806
KTC3875S_Y_RTK
23
DTC RT CT FB OUT NC GND
1 2 3 4 5 6 7 D3803
23 SBR100-10J-CBC11
1.5 1.0 2.0 2.0 26 NC 0 DRIVER
R3830
Q3807
2SA1036K
1.2K
23
0
763WAAA070
HS6S
: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
L3811
R3849
22uH TSL0808 1 3W
C3835
0.22 MMTS
C3836
0.22 MMTS
5.0 4.2 0 0 0 17.8 33.7
14 13 12 11 10 9 8
CVCC COSC NC NC NC CP3 CP3
CP1 CP1 GND CP2 CP2 CREG COUT
1 2 3 4 5 6 7
9.4 5.1 0 17.0 9.5 30.9 30.6
C3829 C3832
0.22
MMTS 0.22 MMTS
C3830
C3833
0.22 MMTS
0.22 MMTS
REG +3.8V
IC3808 BA7810T-V5
GND
CTL Vcc GND Vout ADJ
3 4
1 2 3 4 5
2.1
0
3.8 1.3
3 4 0
D3808 D3809
R3857
EC31QS04 EC31QS04
330
+-1%
HS6S
HS3808
763WAAA070
L3809
6.8uH
SBC4-6R8-452
L3808
11
W945
10uH7313N
23
HS3801
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
F G
H
8
D3811 D3812
EC31QS04 EC31QS04 FROM/TO TUNER
D3807 D3806
UNREG+4V
EC31QS04 EC31QS04 UNREG+5V
P.CON+32V
GND
7
FROM/TO AV JACK2
P.CON+5V
P.CON+9V
GND
FROM/TO IR PASS THROUGH
AT+5V
GND
FROM/TO TUNER/OUT JACK
6
AT+5V
AT+3.3V
GND
FROM/TO STEREO
D3804
P.CON+8V
1H3-E
P.CON+5V
AT+5V
GND
5
FROM/TO AV JACK
P.CON+5V
GND
FROM/TO AV SWITCH2
AT+5V
AT+3.3V
P.CON+9V
P.CON+5V
GND
4
FROM/TO TUNER/OUT JACK
PSU_ACD/P.FAIL
PSU_5VD/DSR/LIGHT_CTL
VS_ON/LCDON
RLY_ON/LCD-H
POWER_ON-H
CD3807
CU2B3901
FROM/TO REGULATOR
CP3807 (CP3201)
A2001WV2-11P
P.CON+12V
P.CON+12V 1
P.CON+9V
3
P.CON+9V 2
P.CON+5V 3
AT+3.3V
AT+3.3V 4
P.CON+3.8V 5
P.CON+3.8V
P.CON+3.8V 6
GND
GND 7
GND 8
GND 9
P.CON+5V 10
AT+5V
AT+5V 11
2
FROM/TO SOUND AMP/HEADPHONE AMP
AT+5V
GND
SOUND+B
SOUND_GND
1
PCBD20
CMF083
H
H-12