Sony XVM-B62 Service Manual page 25

• IC Pin Description
IC401 µPD780022AGK-C56-9ET-A (SYSTEM CONTROL) (MAIN BOARD (1/2))
Pin No. Pin Name
1 TEST
2 PW-ON
3 P52
4 P53
5 P54
6 NC
7 NC
8 SELECT
9 VSS
10 VDD1
11 P30
12 P31
13 SDA
14 SCL
15 P34
16 SCK
17 SDATA
18 SYNC DET/SO
19 OSD DATA/SI
20 OSD CLK/SCK
21 PS-ON
22 OSD CS
23 N/P
24 VDD1
25 AVSS
26 P17
27 KEY IN
28 P15
29 P14
30 P13
31 SHORT DET
32 P11
33 P10
34 AVREF
35 AVDD
36 RESET
37 XT2
38 XT1
39 FLASH
40 X2
41 X1
42 VSS1
43 VSYNC
44 PW.DET
45 KEY HALT
46 (PULL-DOWN)
47 (PULL-UP)
48 (PULL-UP)
I/O
I Test mode setting input
O Power ON control signal output
— Not used (Open)
— Not used (Open)
— Not used (Open)
— Not used (Open)
— Not used (Open)
— Not used (Pull Down)
— Ground
— Power supply (+3 V)
I Not used (Open)
— Not used (Open)
I/O EEPROM data input/output
O EEPROM clock output
— Not used (Open)
O Video command serial transfer clock output
I/O Video command serial data input/output
I Sync detection signal input
O OSD data output
O OSD transfer clock output
— Not used (Open)
O OSD chip select signal output
O NTSC/PAL select signal output
— Power supply (+3 V)
— Ground
— Not used (Pull down)
I A/D key signal input
— Not used (Pull down)
— Not used (Pull down)
— Not used (Pull down)
I Power timer latch setting signal input
— Not used (Pull down)
— Not used (Pull up)
— Reference voltage input
— Power supply (+3 V)
I System reset input
— Not used (Open)
— Not used (Connected to ground)
— Not used (Pull down)
O Main system clock oscillation output (4.19 MHz)
I Main system clock oscillation input (4.19 MHz)
— Ground
I Vertical sync signal input
I Battery level detection signal input
I Key halt detection signal input
— Not used (Pull down)
— Not used (Pull up)
— Not used (Pull up)
Pin Description
XVM-B62
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