Lcd Block Diagram - Sony DCM-M1 Service Manual

DCM-M1

3-10. LCD BLOCK DIAGRAM

LCD BOARD (1/2)
(SEE PAGE 4-106)
CN4303
PANEL_Y
E
3
TO A/V DATA CONTROL,
VIDEO OUT
(SEE PAGE 3-8)
PANEL_R-Y
4
PANEL_B-Y
5
LCD_XVD XVD
11
LCD_XHD XHD
12
DOWN DOWN
13
RIGHT RIGHT
H
14
TO MPEG ENCODE
(SEE PAGE 3-10)
LCD_EN_SWED
1
CN4302 (1/2)
LCD_SI
12
LCD_SCK
13
LCD_SO
I
14
TO SYSTEM CONTROL
(SEE PAGE 3-16)
BL_LVL
V_COM
VCO
05
560 mVp-p
H
REC/PB
G/Y
BUFFER
8
Q4303, 4304
R/R-Y/CR
BUFFER
9
CLAMP
Q4305, 4306
B/B-Y/CB
BUFFER
10
Q4307, 4308
220mVp-p
236 mVp-p
H
H
REC/PB
REC/PB
D/A CONVERTER
IC4301
COLOR
A02 2 6
CONT
A05
5 40
BRIGHT
A01 1 39
RGB_AMP
18 CS/LD A06
6 30
SUB_BRT_B
A04 4 31
SUB_BRT_R
A03 3 32
COM_AMP
A07 7 35
17
DO
19
CLK
20 DI
TIMING GENERATOR
IC4303
A10 10 1 PHOIN BGP
8 2 PHOOUT SW
A11
9 A09 SW_COM
11 A12 12 47 COMTST FRP
A08
HDB
SYF
SRT1
ı
SRT3
MCLK
OE 23
RIGHTO 18
RESET 17
GSRT 16
DOWN
44 DOWN GPCK 15
GRES 14
RIGHT
DOWNO 13
46 RIGHT
3.1 Vp-p
HCNT 12
V
XVD
REC/PB
PD 32
34 QVD/XVD
OSCO 26
XHD
OSCI 27
37 CSY/XHD
3.6 Vp-p
H
REC/PB
3-19
LCD DRIVER
IC4302
PICTURE
GCA MATRIX CLAMP GAMMA
14 48 38
3
9
10
11
4
33
22
TG-20, TG-21, TG-22
ı
20
TG-24
24
TG-23
TG-18
TG-17
3.12 Vp-p
TG-16
15.4 MHz
TG-15
REC/PB
5
TG-14
6
TG-13
FILTER
IC4304 (1/2)
TG-12
VCO
G_OUT
22
R_OUT
20
CLAMP INV
B_OUT
24
4 Vp-p
2H
REC/PB
COM_OUT
41
1.26 Vp-p
2H
REC/PB
37 29 28
COM AMP
IC4304 (2/2)
+
COM DRIVE
7
– Q4312, 4313
UNREG
INVERTER
LCD_4.95V UNIT
IV4301
SIGNAL PATH
VIDEO SIGNAL
CHROMA
PB
3-20
4 Vp-p
2H
REC/PB
LCD UNIT
LCD4301
4 Vp-p
2H
REC/PB
CN4306
VG
20
VR
22
VB
21
VGH
LCD_13V 1
LCD
2.85V (TG) (VDO)
LCD_2.85V 2
PANEL
VGL
LCD_–15V 3
LCD_4.95V (VSH)
LCD_4.95V 24
TG-18 MODE1
18
TG-24 MCLK
17
TG-12 HCNT
16
OE
TG-23
15
TG-22
SRTL
14
TG-21 SRTM
13
TG-20 SRTR
12
MODE2
TG-13
9
TG-17 RESET
8
TG-16
GSRT
7
TG-15 GPCK
6
TG-14 GRES
5
CS
23
VCOM
10
CN4305
VG
3
FLUORESCENT
XTST
9 TUBE
PANEL_COM
4
PANEL_XHD
6
ND4307
HSY
FOR JIG BACK LIGHT
7
SYF
8
BL (+)
1
BL (–)
2
CN4307
BL_HIGH
10
BL_LOW
3
LED
2
BL_GND
1
D4317
(LED)
Y