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
3 32
A03
COM_AMP
7 35
A07
17 DO
19 CLK
20 DI
TIMING GENERATOR
IC4303
A10 10 1 PHOIN BGP 3
8 A11 2 PHOOUT SW 9
9 SW_COM 10
A09
11 A12 12 47 COMTST FRP 11
A08
HDB 4
SYF 33
SRT1 22
ı
SRT3 20
MCLK 24
OE 23
RIGHTO 18
RESET 17
GSRT 16
DOWN
44 DOWN GPCK 15
GRES 14
RIGHT
46 RIGHT DOWNO 13
3.1 Vp-p
HCNT 12
V
XVD
REC/PB
34 QVD/XVD PD 32
OSCO 26
XHD
37 CSY/XHD OSCI 27
3.6 Vp-p
H
REC/PB
3-19
LCD DRIVER
IC4302
PICTURE
GCA MATRIX CLAMP GAMMA CLAMP
14 48 38
TG-20, TG-21, TG-22
ı
TG-24
TG-23
TG-18
TG-17
COM AMP
3.12 Vp-p
TG-16
IC4304 (2/2)
15.4 MHz
TG-15
REC/PB
5
+
TG-14
–
6
TG-13
FILTER
IC4304 (1/2)
TG-12
VCO
2H
REC/PB
2H
REC/PB
G_OUT
22
R_OUT
20
INV
B_OUT
24
LCD_13V
LCD_2.85V
LCD_–15V
LCD_4.95V
4 Vp-p
2H
REC/PB
TG-18
TG-24
TG-12
TG-23
TG-22
COM_OUT
41
TG-21
TG-20
TG-13
TG-17
1.26 Vp-p TG-16
TG-15
2H
REC/PB
TG-14
37 29 28
PANEL_COM
PANEL_XHD
COM DRIVE
7
Q4312, 4313
UNREG
INVERTER
UNIT
LCD_4.95V
IV4301
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y
PB
3-20
4 Vp-p
LCD UNIT
LCD4301
4 Vp-p
CN4306
VG
20
VR
22
VB
21
VGH
1
LCD
2.85V (TG) (VDO)
2
PANEL
VGL
3
LCD_4.95V (VSH)
24
MODE1
18
MCLK
17
HCNT
16
OE
15
SRTL
14
SRTM
13
SRTR
12
MODE2
9
RESET
8
GSRT
7
GPCK
6
GRES
5
CS
23
VCOM
10
CN4305
VG
3
FLUORESCENT
XTST
9 TUBE
4
6
ND4307
HSY
BACK LIGHT
FOR JIG
7
SYF
8
BL (+)
1
BL (–)
2
CN4307
BL_HIGH
10
BL_LOW
3
LED
2
BL_GND
1
D4317
(LED)