Sony SDM-N50 Service Manual page 33

Tft lcd color computer display
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1
3
2
A
B
C
LCDG1
LCDG0
LCDR5
LCDR4
LCDR3
LCDR2
LCDR1
LCDR0
D
E
F
G
H
I
J
Schematic diagram
Ò Ò
Ò Ò
Ò
A
-P3-a board
4
5
6
12
11
10
9
8
7
6
5
4
3
2
1
13
GND
VCC
48
LCDB4
14
G1
B4
47
LCDB5
15
G0
B5
46
16
R7
B6
45
17
R6
B7
44
18
R5
VSYNC
43
19
R4
HSYNC
42
20
R3
SFTCLK
41
21
R2
DE
40
22
R1
CNTL
39
23
R0
REFREQ
38
24
VCC
GND
37
25 26 27 28 29 30 31 32 33 34 35 36
Schematic diagram
4-19
A
-P3-b board
10
7
8
9
VDD
VSS
0.5
1.2
SDDT0
SDDT15
DQ0
DQ15
1.2
SDDT1
0.5
SDDT14
DQ1
DQ14
VSSQ
VSSQ
0.6
1.2
SDDT2
SDDT13
DQ2
DQ13
1.0
1.0
SDDT3
SDDT12
DQ3
DQ12
VDDQ
VDDQ
0.6
0.8
SDDT4
SDDT11
DQ4
DQ11
1.2
0.8
SDDT5
SDDT10
DQ5
DQ10
VSSQ
VSSQ
0.7
SDDT6
1.2
SDDT9
DQ6
DQ9
0.8
SDDT7
1.2
SDDT8
DQ7
DQ8
VDDQ
VDDQ
0
LDQM
NC/RFU
2.8
0
WE
UDQM
2.6
1.8
CAS
CLK
3.2
3.2
RAS
CKE
SDAD12
0
CS
NC
0
SDAD11
1.1
SDAD9
BA
A9
0
0
SDAD10
SDAD8
A10/AP
A8
0
1.1
SDAD0
SDAD7
A0
A7
1.5
1.1
SDAD1
SDAD6
A1
A6
1.6
1.1
SDAD2
SDAD5
A2
A5
1.5
1.5
SDAD3
SDAD4
A3
A4
VDD
VSS
• Divided circuit diagram
One sheet of A-P3 board circuit diagram is divided into two
sheets, each having the code A-P3-a to A-P3-b . For
example, the destination ab1 on the A-P3-a sheet is
connected to ab1 on the A-P3-b sheet.
a
1
b
Ref. No.
Circuit diagram division code
l
l l
l l
11
12
13
VDD
VSS
0.5
1.2
SDDT16
SDDT31
DQ0
DQ15
1.2
SDDT17
0.4
SDDT30
DQ1
DQ14
VSSQ
VSSQ
0.7
1.2
SDDT18
SDDT29
DQ2
DQ13
0.6
0.6
SDDT19
SDDT28
DQ3
DQ12
VDDQ
VDDQ
0.8
1.0
SDDT20
SDDT27
DQ4
DQ11
1.3
0.6
SDDT21
SDDT26
DQ5
DQ10
VSSQ
VSSQ
0.5
SDDT22
1.2
SDDT25
DQ6
DQ9
0.5
SDDT23
1.2
SDDT24
DQ7
DQ8
VDDQ
VDDQ
0
LDQM
NC/RFU
2.8
0
WE
UDQM
2.6
1.8
CAS
CLK
3.2
3.2
RAS
CKE
0
SDAD12
CS
NC
0
SDAD11
1.1
SDAD9
BA
A9
0
0
SDAD10
SDAD8
A10/AP
A8
0
1.1
SDAD0
SDAD7
A0
A7
1.5
1.1
SDAD1
SDAD6
A1
A6
1.5
1.1
SDAD2
SDAD5
A2
A5
1.6
1.5
SDAD3
SDAD4
A3
A4
VDD
VSS
A
-P3-b
(GV IF TRANSMITTER)
B-SS3514<J..>-A-P3-b(24)
4-20

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