Toshiba 19LV505 Service Manual page 115

A B
8
J501
CCT2302-0901C
P201-2476-2
CD501
P201-2476-2
7
NC
4 3
2 1
NC F501
51MS040L
L501
SS24H-10100
4A125V
FH501 FH502
EYF-52BCY EYF-52BCY
4A 125V
6
R502
150
5
POWER CONTORL
IC501
FA5531P-A2
169.0
5.7
ZCD VH
2.8
FB NC NC
1.8 21.0
IS VCC
0 21.3
GND OUT
4
3
4A 125V
2
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)
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-49
C
POWER SCHEMATIC DIAGRAM
TH501_1
5D2-08LCS
169.0
W808
D508 D510
NC
RM11C-EIC RM11C-EIC
169.0
D507 D518
RM11C-EIC RM11C-EIC
W810
0
0
SWITCHING
Q501
STF10NK50Z 169.0
D
20.0
G
1.8
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
CAUTION
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
:SINCE THESE PARTS MARKED BY
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
IS NON POLAR ONE.
C
D E
(POWER PCB)
T501_1
81240018
12.0
1 12
5.8
2 11
0
3 10
0
9
D515
RB095T-90
12.0
5 8
W836
0
6 7
R551
100 1/4W
D523
RB095T-90
HS502
763WAA0381 763WAA0381
NC NC
D516 C520
1H3-E
50V 4.7 YXF
D517
R529
2.2K 1/4W
MTZJ8.2B
D514
RU3AM-EIC
R517
1K
C521 R519
FEED BACK 0.1 B C523_1 10K
IC505
0.47 MMTS
PS2561AL1-1-V(W)
2.8 12.0
0 11.0
REGULATOR
IC502
KIA431A-AT
C A REF
3 2 1
11.0 0 2.5
ATTENTION
:LES PIECES REPAREES PAR UN
ARE
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 C538
0
12.0
V_IN VRET
12.0 12.0 25V 0.15
0 0
0
EN CPOUT
SW
L503
Q504 0
C539
NC NC GND
KRC103MAT
0
22uH
25V 0.15
TSL0808
1.3
3.0
NC NC FB
0
R536 R543
220K
47K
C543_1 1
L504
HS503
10uH
TSL0808
POWER FAIL SW
5.8 Q505
W835
KTA1504S_Y_RTK
5.8
R535
4.0
8.2K 1/4W
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
7
D520
TO SOUND AMP
MA111
POWER_ON_H
B D519
SOUND+B
MA111
SOUND_GND
D522
GND
MA111
AT+5.8V
FILTER_MUTE
B D521
P.CON+32V
TO JACK OUT
MA111
S_DET
GND
B 50V(21-25) 6
AT+12V
AT+5.8V
GND
5
POWER_FAIL
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+3.3V
P.CON+3.8V 10
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
22LV505
H-50