Power - Toshiba 19LV505 Service Manual

A B
8
J501
CCT2302-0901C
P201-2476-2
CD501
P201-2476-2
7
NC
4
2
NC
F501
51MS040L
L501
SS24H-10100
4A125V
FH501 FH502
EYF-52BCY EYF-52BCY
4A 125V
6
R502
150
5
POWER CONTORL
IC501
FA5531P-A2
1.84
5.0
ZCD VH
2.8
FB NC NC
1.2 24.5
IS VCC
0 23.8
GND OUT
4
3
2
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
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-47
C
TH501_1
5D2-08LCS
W808
D508 D510
3 RM11C-EIC RM11C-EIC
D507 D518
1
RM11C-EIC RM11C-EIC
W810
SWITCHING
Q501
STF10NK50Z
80.0
D
35.0
G
35.0
S
(21-25)
R544 1.5 1/4W +-1%
B501
(21-25)
R545 1.5 1/4W +-1%
W4BRH3.5X6X1.0
(21-25)
R546 1.5 1/4W +-1%
C517
(21-25)
330P B
R547 1.5 1/4W +-1%
D511
1H3-E
R511
33 1/4W
HS501
763WAA0381
NC
4A 125V
CAUTION: IS THE LIVE CONNECTION
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE 4A 125V (F501)
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE 4A 125V (F501)
C
D E
POWER SCHEMATIC DIAGRAM
(POWER PCB)
T501_1
81240018
9.0
28.0
1 12
5.0
NC 2 11
0
65.0
3 10
0
9
D515
FCH10A10
9.0
2.8
5 8
W836
0
20.0
6 7
D523
RB095T-90
100 1/4W
HS502
763WAA0381
NC
D516 C520
1H3-E
50V 4.7 YXF
D517
R529
MTZJ8.2B 2.2K
1/4W
D514
RU3AM-EIC
R517
1K
C521 R519
FEED BACK 0.1 B 10K
IC505 C523_1
PS2561AL1-1-V(W)
0.47 MMTS
2.8 12.0
11.0
0
REGULATOR
IC502
KIA431A-AT
C A REF
3 2 1
4.0 4.0 2.5
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F
DC-DC CONVERTER
SW
IC503
Q503 LA5797M-TE-L-E
KRA103MAT
22.03
11.87
V_IN VRET
0 25V
12.0
6.24
0
12.0
EN CPOUT
SW
L503 0
Q504
NC NC GND
KRC103MAT 3.0
22uH
0.15
TSL0808 1.19
0
NC NC FB
0
R536
R551
220K
HS503
50V(21-25)
763WAA0381 L504
10uH
NC
TSL0808
POWER FAIL SW
6.0 Q505
KTA1504S_Y_RTK
6.0
R535
6.0
8.2K 1/4W
W835
ARE
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
ETANT
F
G H
8
TO BACKLIGHT INVERTER
INV+B
INV+B
INV_GND
INV_GND
POWER_ON_H
LIGHT_CTL
INVERTER_H
GND
7
D520
TO SOUND AMP
C538 MA111
POWER_ON_H
0.15 B D519
SOUND+B
MA111
SOUND_GND
D522
GND
25V
C539 MA111
AT+5.8V
FILTER_MUTE
B D521
P.CON+32V
MA111
R543
TO JACK OUT
47K
C543_1
6
S_DET
1 B
AT+12V
AT+5.8V
GND
POWER_FAIL
5
SOUND+B
SOUND_GND
4
FROM/TO REGULATOR
CP501 (CP3001)
127301123K2
S_DET
S1_DET 1
FILTER_MUTE
FILTER_MUTE 2
NC POP_MUTE 3
P.CON+32V
P.CON+32V 4
AT+12V
AT+12V 5
AT+12V 6
AT+5.8V 7
AT+5.8V
AT+5.8V 8
AT+5.8V 9
3
P.CON+3.8V 10
NC
P.CON+3.8V 11
GND 12
GND
GND 13
GND 14
GND 15
GND 16
NC DTV POWER ON_H 17
POWER_ON_H
POWER_ON-H 18
LIGHT_CTL
LIGHT_CTL 19
INVERTER_H
INVERTER_H 20
POWER_FAIL
POWER_FAIL 21
2
NC KEY-B 22
NC KEY-A 23
PCB240
CEG362
1
G H
19LV505/19LV506 H-48