Toshiba 48L1433DG Service Manual page 28

1 2
C507 R508
A 270R
25V 470n C511 C510
2u2
25V 470n 10V
C501
330n 16V
1 16
BL_ON-OFF 270R COMP VCC
R533
2 15
R534 EN VIN
PWM_DIM 270R
3 14
C515 DBRT GATE
U500
4 13
330n 16V GND ISENSE
R504 MP3394
S503
5 12
330k OSC OVP
S500 R520
6 11
6k8 ISET LED1
LED1
R512
7 10
B
100k BOSC LED2 LED2
8 9
LED4 LED4 LED3 LED3
LED DRIVER CIRCUIT
C
MB CONNECTOR OPTIONS
2X6 PIN MB CONNECTOR OPT.
CN4
D
PIN_1
1 2
ST_BY 3 4
BL_ON-OFF 5 6
PWM_DIM 7 8
+5V_STBY 9 10 +12VCC_S
S526 S522
+12VCC_S 11 12
PIN_3 PIN_4
PIN_1
F521
E
50R
F517 F519
AUDIO_VCC_S AUDIO_VCC_M
S211
50R 50R
CN3
F518
S203
+24-80V 1 2
50R
ST_BY 3 4
BL_ON-OFF 5 6
PWM_DIM 7 8
+5V_STBY 9 10 +12VCC_S
PIN_3 11 12 PIN_4
+12VCC_S 13 14 +12VCC_S
F
PIN_1 15 16
17 18
19 20
1 2
3
L500
+24-80V
47u
C502
1u L501
25V 150u
C526
1u
25V
VCC_LED
GATE_LED R502
1n C513 R513 10R
50V 10u 10R +24-80V
C500 50V D527 1N4148
S505
1N4148
+12VCC_SW D502
GATE_LED
C519 10V 10k
R516
2u2 Q500
R522 CS_LED BC858B
330k
OVP_LED
C514
2u2
10V
+12VCC_S
3
4 5
D503
SB5100
F511 50R
F500 D504
F512 50R
SB5100
F501
F502 F503 D501
50R 50R
Q502 Q503
C523 C538
47p 47p 2kV
2kV
CS_LED
R556 R514 R518 R500 R509 R557
WO/CONVERTER CONNECTOR OPT.
D529
LED2_S
D530
LED3_S
D531
LED4
PRIMER-SECONDER COMPONENTS
R299
4M7
WD1
S200
R200 R201
10R 10R
C234 C233
1n 4kV 1n 4kV
C236 C235
GND3
R202 1n 4kV 1n 4kV R203
10R 10R
C268
V_3
1n 4kV
4 5
6
20mm optional
C2582 C2583 VCC_LED
560u 560u R560
35V 35V V_LED+ 100R
C505 C504
1m 1m
50V 50V R506
R511
OVP_LED
R515
LED DRIVER CHANNEL OPTIONS
CN200
LED1
1
BL_ON-OFF
LED2
2
PWM_DIM LED3
3
LED4
4
LED1
5
LED3
6
LED3
7
+24-80V LED1_S
8
LED3_S
DISCRETE BRIDGE OPTION.
C134
WITHDRAWAL DISCHARGE
2kV 47p
1 8
NC1 VCC D112
U100 WD2
2 7
D1-1 D2-1
RL207
CAP002DG
3 6
D1-2 D2-2 D114
4 5
NC2 NC3
RL207
C136
WD1 WD2
47p 2kV
R101 R103 R111
1M 1M 1M
R102 R104 R105
1M 1M 1M V_4
SCH NAME :
DRAWN BY :
6
7 8
LED1_S
LED DRIVER SINK MOSFET OPT.
R565 LED4_S
100R
Q510 Q511
VCC_LED
R561
100R
R563
R562 R564
100R
LED4
LED1
LED DRIVER
CONNECTOR
V_LED+
S511
LED1_S
D528
S501
CN501
LED2_S
1
S504
LED3_S LED1_S
S561
2
S507
LED4_S LED2_S
3
S510
LED2
LED2_S
S533
4
S512
LED4
S530
V_LED+ 5
S502
LED2
LED3_S
6
S531
LED2_S LED4_S
7
S532
LED4_S
V_7
X_CAP OPTIONS
C135
2kV 47p V_5
D113
V_9
RL207 C138 C139
56n 220n
275V 275V
D115
RL207 C146 C148
56n 470n
C137
275V 275V
47p 2kV
V_8
V_6 V_41
V_2
C143 C152 C140
56n 100n 220n
275V 275V 275V
C142 C151
56n 56n
275V 275V
V_1
V_3
C145 C153
56n 100n
275V 275V
C144 C154
56n 100n
275V 275V
V_4
17ips20-r6
PROJECT NAME : A3
3 T. SHT:
<YOUR NAME HERE> 21-02-2014_13:21
7 8
A
B
C
D
C149
470n
275V
E
C141
220n
275V
F
3
AX M