JVC LT-26DY8ZG Service Manual page 46

MAIN PWB CIRCUIT DIAGRAM (8/8) SHEET 8
LIPS OPT.
PL081
1
PANEL_5V
2
FPGA SUPPLY
12V
L085
VCC_12V
PL001
VIN_24V
1
Q080
BC848B
POWER PWB
2
PL822
SHEET 10 3
4
PL002
1
2
3
L080
4
VCC_3V3
30032610
10U 3A
5
POWER PWB
6
PL803
SHEET 10 7
8
9
10
3V3_STBY
11
12
C001
68n
50V
SHEET 3
PL003 A_DIM_PWM
PDP_GO/BL_ON_OFF
1
DIG_DIM_PWM
2
A_DIM_PWM
3
DIG_DIM_PWM
4
DIM_SELECT DIM_SELECT
SHEET 3
S001
POWER PWB
5 PROTECT_DETECT
S003
PL807
L082 12V ON/OFF/NOT
SHEET 10 6
S004
S002
7
VCC_33V
8
12V
9
R2
10
3k3
R1
3V3_STBY 3k3
L084
L083
IC080
1 S1 D1A 8
2 G1 D1 7
IRF7314
3 S2 D2A 6
R080 R083
4 G2 D2 5
1k 10R
R081
10k
ON/OFF/NOT
LM1086
IC001
3V3_STBY 3 VIN VOUT 2
GND
PANEL_5V 300R
C010
1
R004
68n
50V
IC001 30026025
PANEL_VCC
Q005
6 1
5 2
L006
PANEL_5V 4 3
22u
FDC642P
L007
12V 10k
22u
R012
5V_STBY
TFT OPT
S005
BRT_CNTL
S006
S007
R014
VCC_3V3 560R
S008 C017
VCC_5V
S009
BC558B
330p
Q002 50V
R010
3k3
R085
SHEET 3
STBY_ON_OFF 100R
R3 R006 S014
3k3 3V3_STBY 100R
R007
SHEET 3 BRT_CNTL
AC_INFO 100R
R086
100R
R011
Q001 Q003
3k3
BC848B BC548B
C018
50V
330p
(No.YA567<Rev.001>)2-21
VCC_12V
VCC_12V PL080
1
VCC_12V
2
1V8_STBY
C013 C015
68n 470u
50V 16V
LM1086
IC003
F001
5V_STBY 3 VIN VOUT 2
GND
FUSE_SMD_7A/32VDC_1206
560R
C028
1
R019 68n
50V
PLASMA OPT
R016
IC004
330R
LM1117
Q7 VCC_12V L081
IN OUT
BC848B 3
22u GND VOUT
R018
C029 1 4
10k 68n
50V
PANEL_VCC_ON/OFF
SHEET 3
5V_STBY
D001
VCC_5V
1N4148
D002
VCC_3V3
SHEET 3
R017 C2V4
Q006
3k3 BACKLIGHT_DIM D003
BC548B
VCC_8V
C022
1N4148
D011
PANEL_5V
330p
50V 1N4148
2-22(No.YA567<Rev.001>)
IC007
1
BS SS
2 IN EN
MP1593-DC/DC
3
SW COMP
4 GND FB
L070
22uH_3.9A_SMD
L071
22uH_1.7A_SMD_ROHS
Q011 FDC642P
6 1 VCC_3V3
5 2
3V3_STBY 3V3_STBY
4 3
R28
22k
68n
1V8_STBY
C033
R029
Q010
10k
BC848B
ON/OFF/NOT
PLASMA OPT
2 VCC_10V
C032
68n
50V L008
R030
VCC_10V 22R
150u
R084
D007
150R
VCC_8V
1N4148
SHEET 3
PROTECT_DETECT
R24
BC858B
10k
Q008
R26
Q009
10k
BC848B
MAIN PWB ASS'Y (8/8)
VE-20357300 [LT-26DY8ZG]
VE-20357305 [LT-26DY8ZJ]
C075
100n
R070 25V R073
150k 160k
N.C. C078 N.C.
8
10n
C076
7
50V R075
7k5
6
10n
50V
R072 R074
5
10k 1R
VCC_5V
IC005
1
FB NC 6
FAN2012
2 PGND VIN 5 5V_STBY
L010
3 SW PVIN 4
10u
C039
D009
R34 R037
150u 47R 1R
L009
1N4148
33n
Q012 50V
C043
BC337
3u3
50V
PLASMA OPT
ON/OFF/NOT
R35
Q13
STBY_ON_OFF 4k7
BC848B
SHEET 3
17mb22_2_0905_8/10_0.0