JVC GR-DVL155EG Service Manual page 74

4.16 LCD BL SCHEMATIC DIAGRAM
0 3 LCD BL
5
C752
#
T
#
L752
C751
#
T
4
TO MONITOR
CN764
CN751
BL_GND
BL_GND
LCD_CTL
BL_4.8V
BL_4.8V
(N.C)
A_REG_3V
VGL
3
VSS
STV2
UD
CPV
OEV
STV1
LCD_VDD
VGH
LCD_COM
LCD_VEE
STH2
LCD_RVS
2
VB
MON_R
MON_G
MON_B
GND
GND
CLK3
CLK2
CLK1
Q2H
OEH
STH1
1
NOTE : The parts with marked ( ) is not used.
A B
R751
#
IC751
#
#
L751
R7511
C754
D751 C753
#
# #
F7501
NMFZ004-R40X-K
R7507
R7508
∗ 47K
Q7506
∗
R7509
∗
Q7505
∗
C7509
∗
∗
# Exchange Prats List
IC751 D751 L751
With EL MODEL
MIP805-X 1SS376-X
∗ ∗
Without EL MODEL
C D
NOTES : For the destination of each signal and further line connections that are cut off from
this diagram , refer to "4.1 BOARD INTERCONNECTIONS".
When ordering parts , be sure to order according to the Part Number indicated in the Parts List.
0
∗
L7502 L7501
68µ
Q7504
2SC4617/QR/-X
Q7503
DTA144EE-X
T R7503
R7506 1k
47K
R7501
1k
R7504 C7506
∗ ∗
L752 R751 C751 C752 C753 C754 CN754 F751
680 10 100K 10/6 10/6 2200p 2200p
QGF0505F2-06X NMFZ007-R40X-K
∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗
E
4-33 4-34
EL1
EL1
EL2
EL2
CN754
T7501 #
TO_EL
NQS0048-001X
C7503
0.027
C7501 TL7501 CN753
18p
HV
BL_GND
TO BACK LIGHT
TL7502
CN752
VGL
VSS
STV1
UD
CPV
OEV
STV2
VDD
VGH
VCOM
VEE
STH2
RL
VB
R
G
B
SIG_GND
CLK3
CLK2
CLK1
Q2H
OEH
STH1
TO LCD MODULE
y30162001a_rev0.0
F G H