Lcd (B) Block Diagram - Sony CCD-TRV32 Service Manual

3-9. LCD (TYPE 3) BLOCK DIAGRAM
3.0 inch LCD (TYPE 3)
PD-77 BOARD
(TRV32/TRV34/TRV53/TRV312 MODEL)
(SEE PAGES 4-101,104,107,109)
Q1802
CN1801
9 BUFFER BUFFER
PANEL Y
PANEL C 10
IC1802
EEPROM
P4.9V
13 VDD BRIGHT
BRT R
DO
HI SI 6 17
BRT B
HI SO 3 20 DI
COLOR
4
19
TO/FROM HI SCK CLK
CONTRAST
MODE 5 18 CS/LD
CS PANEL
RGB AMP
CONTROL
7
D3.1V 14 VCC
BLOCK
COM ADJ
15 SEL
CF-46 HUE/BCL
BOARD
V COM
CN405
(SEE PAGE 3-15)
VCO
BL CONT
IC1900
LCD CONT
9 SI
COM0
8 CK
COM3
1 11 C/D
LCD COM/DATA
CS
CS LCD 2 10
SEG0
SEG15
D3.1V 7 VDD
OSC1 OSC2
1 2
1
IC1801 3 REC/PB
IC1801
0.5Vp-p
H
SYNC SEP
LPF
36
VIDEO
3
C IN
5
P4.9V
Q1803
PICTURE
48 R.G.B
BUFFER
DECODER
BRIGHT
1
29
SUB BRT R
4 31
SUB BRT B
30
5
COLOR
2 6
CONTRAST
6 2
RGB AMP
9 28
COM AMP
37
10
3 13 TINT
8
7
12
DISPLAY
CN1808
LCD
12
COM0,1
20
.
4
19
15
17 3
SEG0-15
16
32
18
COM2,3
2
.
1
(SEE PAGE 3-15)
3-21
CCD-TRV32/TRV34/TRV34PK/TRV44/TRV52/TRV53/TRV312/TRV512(NTSC)
6 2
IC1801 !¢ REC/PB
IC1801 @£ REC/PB
3.5Vp-p
4.77MHz
560mVp-p
4.43MHz (PAL)
3.58MHz (NTSC)
5
IC1801 @¢ REC/PB
5.6Vp-p
H
S1991 S1992
AE SP– SP-
R
19
G
21
B
24
SYNC IN
35
SYNC OUT
34
COM O
38
FRPT
32
FRPV
33
V COM
VCC1
P4.9V
43
VCC2
23 P7.5V
VXO I 14
X1801
VXO O 16
VCO
BL CONT
IC1902 (2/2)
2
1
3
CN1802
PANEL H 10
KEY AD4 11
Q1901
8 SW
REVERSE
S1901
TO/FROM
REVERSE
MODE
MIRROR ON
9
CONTROL
BLOCK
CF-46
TALLY
BOARD
D1905
VCC
CN406
TALLY
TALLY 1
VCC
BL ON 2
PANEL UNREG 3 P UNREG
P4.9V 6 P4.9V
Q1952
START
SW
P7.5V
CCD-TRV14E/TRV24E/TRV44E(PAL)
8
7
IC1901 @§ REC/PB IC1901 !£ REC/PB
2.4Vp-p 2.4Vp-p
9.53MHz 9.53MHz 3Vp-p
H
S1993 S1994 S1995
SP+ BRT– BRT+
P13V
P4.9V
IC1902 (1/2)
IC1901
5
LCD CONTROL 7
6
8 HSY
P–15.3V
16
SYNI
23
SPD
14 FRPT
13 FRPV
39
47 PHO IN MODE2
34
48 PHO OUT EX1
EX2 41
26 OSC I
EX3 40
25
OSC O
44
CTR
CLD
24
CLS 20
SPS 19
36 PDO
CPS1 11
POCB 32 P4.9V
TALLY
Q1904,1905
46 VREVC
VCC
SYNO 3
LPF & BUFFER
5
V IN
45 VDD P4.9V
HREVC 30
Q1955
IC1951
PANEL
SWITCHING
UNREG
DD CONV
29 SPC D
22 CTL LD
33
32 D 39
31
P4.9V Q1958,D1954
30
LED
DRIVE
28 C 40
PANEL
27
UNREG
25
26
VCC 45
24 SPC C Q1956
19
VREF
VCC 18
SW
Q1953
4
20 SW P4.9V
POW CONT
5
D3.1V
6
A 46
7
8 SPC A
3-22
CN1804
VR
1
VG
2
VB
3
CHECK
SYNC
CONNECT
4
HSY
7
SRD
6
COM O
8
CN1803 LCD PANEL
VR
15
VG
14
VB
13
VGH
1
VSH
11
VB1
18
VB2
19
COM
10
VGL
9
D1903 VCC
2
VSS
8
SPD
23
MODE 1
6
MODE 2
7
EX1
5
EX2
20
EX3
21
CTR
22
CLD
24
CLS
3
SPS
4
RES
17
T1952 BACK
INV TRANS LIGHT
CN1805
1 12
HIGH
10
2
2
3
5
1
INV
7
SW
Q1957
6 LOW
3
D1953
T1951
DD TRANS D1951
7 1
P13V
2 8
P7.5V
5
4
6
D1952
3
P–15.3V