JVC LT-42HB1BU Service Manual page 25

MAIN PWB CIRCUIT DIAGRAM (3/46) [Power and Interface Connectors]
5
JP1
SMW200-24C
D
R5 OPEN-000/1005
1
2
3
4
5
6
7
8
9
10
11
POWER UNIT
12
CN1 13
14
15
16
17
18
19
20
21
22
23
R7
24
R10 OPEN-102/1005
C
JP2
SMW250-05
5 KEY_ADC2
KEY PWB
4
KEY_ADC1
3
JP2
2
1
L4
BLM18PG300SN1D
JP3
SMW250-06
B
6
5
IR PWB
IR
4
JP1
3
2
LEDR
1
JP4
53014-0410
1
LEDB
LED PWB
2
3
JP3
4
A
FRONT BLUE LED
All location are from 1 to 20
5
4
MAIN PWB(7/46)
L1
BLM41PG600SN1L
AUO_Panel
L2
BLM41PG600SN1L
L3
BLM21PG600SN1D
MAIN PWB
AC_DETECT
(4/46),(5/46),(22/46),(43/46)
SMPS_ON
BL_EN_O
ANA_DIM
102/1005
PWM_DIM_IN
MAIN PWB(14/46),(19/46)
PWM_DIM_OUT
MAIN PWB(5/46)
+5VSTB
C8
104p/16V/1005
IR_IN MAIN PWB(5/46)
R11
OPEN-332/1005
MAIN PWB(5/46)
4
(No.YA707<Rev.001>)2-13
3
MAX.3A [+12V]
+12V AMP : 1500mA
MAIN PWB(5/46)
QPSK : 400mA
C2
PANEL : 800mA
C1
104p/50V
100uF/25V/BXE/S
MAX.3.5A [+5V]
USB : 500mA
+5V
CAM : 500mA
C4
PANEL : 1200mA(Option)
C3
104p/50V
470uF/16V/MVK/S
MAX.500mA [+5.8V]
MICOM : 9mA
+5V4STB
RS232 : 10mA
C7
TUNER : 220mA
104p/50V
C6
100uF/25V/BXE/S
+5VSTB MAIN PWB(6/46)
R8
103/1005
Q2
1
LED_B
MMBT4403
L : ON
H : OFF
R9
301/3216
LEDB
+5VSTB
R12
103/1005
Q3
1
LED_R
MMBT4403
L : ON
H : OFF
R14
301/3216
LEDR
3
2-14(No.YA707<Rev.001>)
2
+5VSTB +5V4STB
R1
R2
102/1005
472/1005
R3
103/1005
Q1
1
STBY_EN
MMBT4401
Power on : L
Power off : H
+5V +5V
R17 R18
472/1005 472/1005
BL_EN_O
R21
103/1005
BLT_EN 1 Q5
BLT_EN
MMBT4401
Backlight on : L
Backlight off : H
R19
102/1005
ANA_DIM
A_DIM
C9
106p/10V/2012
PWM_DIM_IN
P_DIM
PWM_DIM_IN
MAIN PWB ASS'Y(3/46)
[Power and Interface Connectors]
HU-71100006
2
1
D
SMPS_ON
C5
OPEN-104p/16V/1005
C
B
MAIN PWB(14/46),(19/46)
A
1
hb1_main_0612_1/48_0.0