Sony PRS-505/SC Service Manual - Page 36

Main Board, Ic301, A3p125-vqg100, Indicator Controller - video

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PRS-505 MAIN BOARD IC301 A3P125-VQG100 (INDICATOR CONTROLLER) Pin No. Pin Name I/O Description 1 GND - Ground terminal 2 to 8 PD15 to PD9 I Video data input from the main CPU 9 GND - Ground terminal 10, 11 PD8, PD7 I Video data input from the main CPU 12 GND - Ground terminal 13 PD6 I Video data input from the main CPU 14 GND - Ground terminal 15, 16 PD5, PD4 I Video data input from the main CPU 17 VCC - Power supply terminal (+1.5V) 18 VCCI - Power supply terminal (+3.3V) 19 to 22 PD3 to PD0 I Video data input from the main CPU 23 PSFL I Not used 24 VMV - Power supply terminal (+3.3V) 25 GND - Ground terminal 26 FCLK I Frame clock signal input from the main CPU 27 LCLK I Latch clock signal input from main CPU 28 PCLK I Pixel clock signal input from the main CPU 29 SDLE O Latch enable signal output to the ink indicator element 30 to 36 SDDO0 to SDDO6 O Video data input from the main CPU 37 VCC - Power supply terminal (+1.5V) 38 GND - Ground terminal 39 VCC1 - Power supply terminal (+3.3V) 40 SDDO7 O Video data input from the main CPU 41 SDCLK O Clock signal output to the ink indicator element 42 SDOE O Output enable signl output to the ink indicator element 43 GDOE O Output enable signal output to the ink indicator element 44 GDSP O Sharp panel signal output to the ink indicator element 45 GDCLK O Clock signal output to the ink indicator element 46 GND - Ground terminal 47 TCK - Not used 48 TDI - Not used 49 TMS - Not used 50 VMV - Power supply terminal (+3.3V) 51 GND - Ground terminal 52 VPUMP - Not used 53 NC - Not used 54 TDO - Not used 55 TRST - Not used 56 VJTAG - Not used 57 to 59 SDCE5 to SDCE3 O Chip enable signal output terminal Not used 60 to 62 SDCE2 to SDCE0 O Chip enable signal output to the ink indicator element 63 SDSHR O Not used 64 GDRL O Not used 65 PWRCOM O Command signal output to the VCOM switch 66 VCCI - Power supply terminal (+3.3V) 67 GND - Ground terminal 68 VCC - Power supply terminal (+1.5V) 69 PWR2 O Power supply control signal output terminal 70 BDR1 O Border control signal output terminal 71 BDR0 O Border control signal output terminal 72 PWR0 O Power supply control signal output terminal 73 PWR1 O Power supply control signal output terminal 74 VMV - Power supply terminal (+3.3V) 75 GND - Ground terminal 76 SPIDO O Not used 77 SPICLK O Not used 78 SPIDI I Not used 79 SPICS O Not used 36

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PRS-505
36
MAIN BOARD
IC301
A3P125-VQG100
(INDICATOR CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
GND
-
Ground terminal
2 to 8
PD15 to PD9
I
Video data input from the main CPU
9
GND
-
Ground terminal
10, 11
PD8, PD7
I
Video data input from the main CPU
12
GND
-
Ground terminal
13
PD6
I
Video data input from the main CPU
14
GND
-
Ground terminal
15, 16
PD5, PD4
I
Video data input from the main CPU
17
VCC
-
Power supply terminal (+1.5V)
18
VCCI
-
Power supply terminal (+3.3V)
19 to 22
PD3 to PD0
I
Video data input from the main CPU
23
PSFL
I
Not used
24
VMV
-
Power supply terminal (+3.3V)
25
GND
-
Ground terminal
26
FCLK
I
Frame clock signal input from the main CPU
27
LCLK
I
Latch clock signal input from main CPU
28
PCLK
I
Pixel clock signal input from the main CPU
29
SDLE
O
Latch enable signal output to the ink indicator element
30 to 36
SDDO0 to SDDO6
O
Video data input from the main CPU
37
VCC
-
Power supply terminal (+1.5V)
38
GND
-
Ground terminal
39
VCC1
-
Power supply terminal (+3.3V)
40
SDDO7
O
Video data input from the main CPU
41
SDCLK
O
Clock signal output
to the ink indicator element
42
SDOE
O
Output enable signl output to the ink indicator element
43
GDOE
O
Output enable signal output to the ink indicator element
44
GDSP
O
Sharp panel signal output to the ink indicator element
45
GDCLK
O
Clock signal output
to the ink indicator element
46
GND
-
Ground terminal
47
TCK
-
Not used
48
TDI
-
Not used
49
TMS
-
Not used
50
VMV
-
Power supply terminal (+3.3V)
51
GND
-
Ground terminal
52
VPUMP
-
Not used
53
NC
-
Not used
54
TDO
-
Not used
55
TRST
-
Not used
56
VJTAG
-
Not used
57 to 59
SDCE5 to SDCE3
O
Chip enable signal output terminal
Not used
60 to 62
SDCE2 to SDCE0
O
Chip enable signal output to the ink indicator element
63
SDSHR
O
Not used
64
GDRL
O
Not used
65
PWRCOM
O
Command signal output to the VCOM switch
66
VCCI
-
Power supply terminal (+3.3V)
67
GND
-
Ground terminal
68
VCC
-
Power supply terminal (+1.5V)
69
PWR2
O
Power supply control signal output terminal
70
BDR1
O
Border control signal output terminal
71
BDR0
O
Border control signal output terminal
72
PWR0
O
Power supply control signal output terminal
73
PWR1
O
Power supply control signal output terminal
74
VMV
-
Power supply terminal (+3.3V)
75
GND
-
Ground terminal
76
SPIDO
O
Not used
77
SPICLK
O
Not used
78
SPIDI
I
Not used
79
SPICS
O
Not used