Lcd Bl Schematic Diagram - Panasonic SDR-H90P Service Manual

11.4. LCD BL SCHEMATIC DIAGRAM

(LCD BL P.C.B.)
TO LCD
SHAFT FPC
FP8101
G
ADKEY2
1
ADKEY3
2
LIBATT++
3
REGD3V
4
ADKEY_GND
5
LCD_/CKH1/LCD_HCK2
6 R8101 0
LCD_CKH1/LCD_HCK1
7
LCD_PCG R8102 0
8
LCD_8.5V
9
L8101
LCD_R/L 100u
10
LCD_WIDE
11
LCD_STH
12
LCD_B
13 R8103 270
LCD_G
TO
14 R8104 270
LCD_R
CT006
15
F LCD_VCSH/LCD_PSIG R8105 270
16
LCD_FR/LCD_XSTBY
17
LCD_U/D
18
LCD_OEV
19
LCD_CKV
20
LCD_STV
21
LCD_OEVE/LCD_COM
22
LCD_BL_5V
23
LCD_BL_5V
24
LCD_BL_CONT
25
COMH
26
D_GND
27
E D_GND
28
D
C
B
A
1 2
R8153
2200
B8101
K3ZZ00500014
BT8102
ML-614S/ ZTE
MONITOR LCD MONITOR LCD MONITOR LCD
BACKLIGHT BACKLIGHT BACKLIGHT
1.4 1.4 1.4 1.4
1.1 1.1 1.1 1.1
Q8101 0.3 Q8102 0.3 Q8103 0.3 Q8104 0.3
2SC6054J0L
2SC6054J0L 2SC6054J0L 2SC6054J0L
1.1
(BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE) (BACKLIGHT DRIVE)
0.5
Q8106 0
2SA2174J0L
(BACKLIGHT
ON/ OFF
CONTROL)
3 4 5
: VIDEO MAIN SIGNAL PATH
Q8108
2SA2174J0L
(DRIVE)
1.4
0.8
0
R8140 R8149
10k 10k
MONITOR LCD
BACKLIGHT
R8141
MENU
2700 R8150
2700
SW8101
K0F111A00547 R8151
5600
R8152
18k
6 7
47
0
0
Q8107
-5.6
2SA2174J0L
(DRIVE)
TO
LCD PANEL
FP8102
VCOM
VVSS
Vref
PCG
VDD
CSH
SB
/CKH1
CKH1
STH
10
VSS
11
VSS
12
B
13
G
14
R
15
VCSH
16
VCSH
17
FR
18
OEVE
19
CSV
20
OEV
21
CKV
22
STV
23
VCOM
24
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER
TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON
THIS DIAGRAM IS STOP MODE. (LCD: ON)
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED
HEREIN SHALL BE REGARDED AS REFERENCE
INFORMATION WHEN PROBING DEFECT POINT,
BECAUSE IT MAY DIFFER FROM AN ACTUAL MEASURING
VALUE DUE TO DIFFERENCE OF MEASURING
INSTRUMENT AND ITS MEASURING CONDITION
AND PRODUCT ITSELF.
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
CHARACTERISTICS FOR SAFETY. WHEN REPLACING ANY OF THESE
COMPONENTS, USE ONLY THE SAME TYPE.
TO MENU
SELECTOR UNIT
FP8104
6
ADKEY_LEFT
ADKEY_UP 5
ADKEY_RIGHT 4
TO
ADKEY3_ENTER 3
CT002
ADKEY_DOWN 2
ADKEY_GND 1
SDR-H80, H81, H90
LCD BL SCHEMATIC DIAGRAM
8 9
SDR-H80P
1
2
3
4
5
6
7
8
9
HAVE THE SPECIAL
10