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

3-11. LCD (TYPE 2) BLOCK DIAGRAM
2.5 inch LCD (TYPE 2)
1 IC1801 3 REC/PB
SD-25 BOARD
(TRV14E MODEL)
(SEE PAGES 4-137,141)
0.5Vp-p
H
LPF
Q1802
CN1801
PANEL Y 9 BUFFER BUFFER
PANEL C 10
P4.9V
Q1803
IC1802
BUFFER
EEPROM
P4.9V 13 VDD BRIGHT 1
BRT R 4
HI SI 6 17 DO
BRT B 5
HI SO 3 20 DI
COLOR 2
TO/FROM HI SCK 4 19 CLK
CONTRAST 6
MODE CS PANEL 5 18 CS/LD
RGB AMP 9
CONTROL
7 VCC
D3.1V 14
BLOCK
COM ADJ 10
15 SEL NTSC MODEL
CF-45 HUE/BCL 3
BOARD
V COM 8 Q1805
CN405
(SEE PAGE 3-15) BUFFER BUFFER
VCO 7
BL CONT 12
PAL
MODEL
IC1900
LCD CONT
CN1808
9 SI
COM0 12
COM0,1
8 CK
4
COM3 15
LCD COM/DATA 1 11 C/D
2 10 CS
CS LCD
SEG0 17
SEG0-15
16
32
D3.1V 7 VDD SEG15
OSC1 OSC2
1 2
COM2,3
3-25
CCD-TRV32/TRV34/TRV34PK/TRV44/TRV52/TRV53/TRV312/TRV512(NTSC)
5 IC1801 @¢ REC/PB
5.6Vp-p
H
PD-75 BOARD
(SEE PAGES 4-131,135)
S1991
CN1806 CN1807
KEY AD
PROGRAM 16 16
AE
IC1801
D3.1V
D3.1V 3 D3.1V
3
P4.9V
P4.9V 2 2 P4.9V
SYNC SEP P–7.5V
36 P–7.5V 1 1 P–7.5V
VIDEO R VR
3 19 6 6
G VG
21 5
5
C IN B VB
5 24 4 4
SYNC IN SYNC
35 10 10
PICTURE
48 R.G.B SYNC OUT H SY
34 11 11
DECODER COM O COM O
38
7 7
BRIGHT FRPT FRPT
29 32 9 9
SUB BRT R FRPV FRPV
31 33 8 8
SUB BRT B V COM
30 13
13
COLOR VCC1
P4.9V
6 43
CONTRAST VCO
2
12 12
RGB AMP VCC2 BL CONT
28 23 P–7.5V 15 15
COM AMP
37
X1801
13 14
TINT VCO I
3.58MHz
(NTSC)
VCO O 16 4.43MHz
7 BURST OUT BURST OUT
(PAL)
9 R–Y
10 B–Y
12 C OUT
D3.1V
DISPLAY
CN1802
LCD
PANEL H 10
20
. KEY AD4 11
19
2 IC1801 !¢ REC/PB
REVERSE 8
3
TO/FROM
18
560mVp-p
4.43MHz (PAL) MODE
3.58MHz (NTSC) MIRROR ON 9
CONTROL
BLOCK
2
. CF-45
1 BOARD
D1905
CN406
TALLY
TALLY 1
(SEE PAGE 3-15)
VCC
BL ON 2
PANEL UNREG 3 P UNREG
P4.9V 6 P4.9V
CCD-TRV14E/TRV24E/TRV44E(PAL)
8 IC1901 @§ REC/PB 7 IC1901 !£ REC/PB
2.4Vp-p
9.53MHz 3Vp-p
H
(TRV14E MODEL)
CN1804
VR
VG
VB
SYNC
HSY
SRD
COM O
S1992 S1993 S1994 S1995
SP– SP- SP+ BRT– BRT+ CN1803
P13V
P4.9V
IC1901 IC1902 (1/2)
LCD CONTROL
5
7
6
D1903
8 HSY
16 SYNI
14 P–15.3V
FRPT
13 FRPV SRD 38
47 PHO IN MODE1 17
48 PHO OUT 39
MODE2
EX1 34
26 OSC I
EX2 41
25 OSC O
CTR 44
IC1902
CLD 24
(2/2)
CLS 20
2
1 SPS 19
36 PDO
3
CPS1 11
S1901
POCB 32 P4.9V
REVERSE
Q1901
SW Q1904,1905 TALLY
46 VREVC
VCC
SYNO 3
LPF & BUFFER
INV TRANS
5
V IN
1
45 HREVC VDD 30 P4.9V
Q1955 2
IC1951 PANEL
TALLY SWITCHING 3
UNREG
VCC DD CONV
4
29 SPC D
INV
22 CTL LD
SW
Q1957 5
33
32 D 39
31
P4.9V Q1958
30
LED
DRIVE
Q1952 D1954
C 40
28
START
PANEL
27
SW UNREG
25
26
T1951
VCC 45
24
SPC C Q1956 DD TRANS D1951
19
VREF 7 1
VCC 18
SW
Q1962
4
2 8
POW CONT 20 SW P4.9V
5
5
4
D3.1V
6
A 46
6
7
P–7.5V 8 SPC A
D1952
3
3-26
CCD-TRV32/TRV34/TRV34PK/TRV44/TRV52/TRV53/TRV312/TRV512(NTSC)
1
2
3
CHECK
CONNECT
4
7
6
8
LCD PANEL
VR
9
VG
10
VB
11
VGH(+13V)
24
VSH(+4.9V)
13
VLS(+4.9V)
23
VB12
6
COM
14
VGL(–9V)
15
VCC(–10.3V)
22
VSS(–15.3V)
16
SPD
2
MODE 1
18
MODE 2
17
EX1
19
EX2
5
CTR
3
CLD
1
CLS
21
SPS
20
RES
7
T1952 BACK
LIGHT
CN1951
6
HIGH
10
10
LOW
3
D1953
P13V
P–7.5V
P–15.3V
CCD-TRV14E/TRV24E/TRV44E(PAL)