Lcd Block Diagram - Sony MVC-CD200 Service Manual

MVC-CD200/CD300

3-4. LCD BLOCK DIAGRAM

( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
PK-58 BOARD(3/3)
IC301
I/O EXP (EVR)
XCS PANEL D/A
16 22 XEN
CAMERA(2)
(SY-67)
XCAM SCK 18 19 CLK
(SEE PAGE 3-19
17 20 SI
CAM SO
of LEVEL3)
14 VCC
D 3.4V
PANEL 3.4V 13 VDD
23 VDDA
PANEL Y
PANEL Y
8
PANEL R-Y
PANEL R-Y 7
PANEL B-Y
PANEL B-Y
CAMERA(1) 6
(SY-067)
IC302 8
(SEE PAGE
3-16(MVC-CD200),
3-18(MVC-CD300)
PANEL V
of LEVEL 3)
PANEL V
4
HDO
HDO
3
CN301
IC302 9
IC302 q;
VG
CN302 9
PANEL COM
CPC 8
HSY
FOR
7
CHECK
MAKER RECOG
13
R467
4.7kΩ
16
(4-67)
IC302 ws
4.5Vp-p
V REV 15
16
H REV 2H
18
COMTST
BRIGHT 1
COLOR 2
12
BRT TST
3
BRT.R
BRT.B 4
CONTRAST 5
8
VCO
9
V COM
6 40 38 30 32 31
RGB AMP 6
COM ADJ 7
10
BL LEVEL
17
NTSC
(4-68)
Y
8
IC302
R-Y
9
B-Y
LCD DRIVE
10
0.5Vp-p
H
44 25 26 14 48
0.2Vp-p
H
W MSK
0.2Vp-p
H
3-7
IC302 wf
4.5Vp-p
BL_UNREG
2H
(4-71)
IC201
IC302 w;
4.5Vp-p
SWITCHING REG.
Q201,202
PANEL
2 VCC OUTPUT
4.9V
2H
PWM
AMP
39 35
SAW
7
OSC
COM OUT
41 SHORT
CIRCUIT
PROTECT
R OUT
20
G OUT
22
B OUT
24
R OUT
29 28
G OUT
B OUT
COM OUT
W MSK,FRPV,FRPT
BL LEVEL
V-COM
IC401
(4-69)
(4-69)
IC402
TIMING GENERATOR
(2/2)
W MSK
WIDOV 9
FILTER 32 PDP
FRPV 11
27 OSCI
13
VCO MODE2/CLS
VCO
14
GRES/SPS
26 OSC0
V REV
44
V REVC
MODE1/RES 18
H REV
46 H REVC
COMTST
20
47 COMTST EX2
NTSC
41
NTPC1
GPCK/EX1 15
HDO
37 SYNI
24
MCLK/CLD
PANEL V
34 P15
OE/SPD 23
16
P XHD GSRT/MODE1
3 BGPO
17
RESET/MODE2
SRTL/CTR 22
HSY
SRTR/EX3 21
4 HSY
FRPT/HCNT 12
PANEL 4.9V 30 VDD
7 GND
Q206
SWITCHING
L201 L202 L203
4
2
5
Q209
3
1 5
INVERTER
1
DRIVE
2
3
SWITCHING Q204
4
1
Q207,208
BL
LEVEL
FB Q205
3
4
1V
5
Q203
PROTECT
SWITCH
Q210
LED SWITCH
(4-69)
IC402
(1/2)
Q401-404
PANEL 4.9V
COM
COM AMP
DRIVE
VG
PANEL COM
PANEL -15.3V
FRPT
PANEL 13.2V
3-8
BACK LIGHT UNIT
ND901
(BACK LIGHT)
T201
CN201
C216
10
10
6
LED
2
1
(4-72)
IC202
D202
BL LOW
CURRENT
4 3
3
DETECT
CN401
VR
16
VG
15
VB
14
VSH
2
12
GND
LCD901
13
COM
11
VB12
VB12 2.5 INCH
19
GENERATOR COLOR LCD UNIT
VSS
9
VGH
1
CLS
4
SPS
5
RES
18
EX2
20
GPCK
6
CLD
24
SPD
23
MO1
7
MO2
8
CTR
22
EX3
21