Sony SLV-SE850 Service Manual page 84

5-7. MODE CONTROL MICROPROCESSOR PIN FUNCTION
(FR-169 Board IC180 uPD703033AYGF-M02-3B)
Pin No. Pin Name I/O
OSD SO
1 O
(FROM TT)
2 OSD SCLK O
3 SDA TT O
4 N.C.
5 SCL O
6 SI (TO TT) I
7 SO (FROM TT) O
8 SCLK (MAIN) O
9 EVDD
10 EVSS
11 N.C.
12 BUZZER O
13 SIRCS IN I
14 —
15 LANC IN I
16 LANC OUT O
17 —
18 —
19 —
20 8KHZ CHECK
21 VPP
22 AVLINK OUT O
23 SIRCS OUT O
24 —
25 —
26 —
27 —
28 ASURA RESET O
29 ASURA CS O
30 —
31 —
32 —
33 —
34 RESET I
35 XT1
36 XT2
37 REGC
38 X2
39 X1
40 VSS
41 VDD I
42 CLKOUT O
43 —
44 —
45 —
46 —
47 —
48 —
49 —
50 —
Function
Non connect
Ground
Non connect
Buzzer signal output
Remote control signal (SIRCS) input
Fixed at ground
LANC input
LANC output
Fixed at ground
Fixed at ground
Fixed at ground
Not used
Laser link control signal
Remote control signal (SIRCS) output
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
System reset signal
S/S microcomputer chip select signal
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Reset signal input
Timer clock terminal (32.768 kHz)
Timer clock terminal (32.768 kHz)
Timer clock terminal (32.768 kHz)
System clock terminal (20 MHz)
System clock terminal (20 MHz)
Ground
D6V
Not used
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Pin No. Pin Name
51 —
52 PCONT_M12V
53 SW12VCONT
54 OSD CS
55 OSD RESET
56 FDP CS
57 —
58 BVDD
59 BVSS
60 X CS
61 X RESET
62 TXT ENABLE
63 TXT RESET
64 ML POWER
65 ML SIO CONT
66 X STAND BY
67 —
68 —
69 —
70 —
71 —
72 —
73 —
74 AVDD
75 AVSS
76 AVREF
77 A/D0
78 A/D1
79 A/D2
80 A/D3
81 A/D4
82 A/D5
83 AFT
84 HDET
85 —
86 —
87 DMS1
88 DMS2
89 —
90 POWER FAIL
91 —
92 —
93 CGV
94 PDC DAV
95 —
96 AVLINK IN
97 EEP SDA
98 EEP PROTECT
99 EEP SCL
100 —
5-4
I/O Function
Fixed at ground
O Power supply control signal
O Power supply control signal
O
O
Not used
I D6V
O
O
O
O
O
O
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
Fixed at ground
I D6V
Ground
Not used
I Analog voltage (KEY) input 0
I Analog voltage (KEY) input 1
I Analog voltage (KEY) input 2
I Analog voltage (KEY) input 3
I Analog voltage (KEY) input 4
I Analog voltage (KEY) input 5
I Auto fine tuning signal input
I Tuner H-sync detect
Fixed at ground
Fixed at ground
I Fixed at ground
I Fixed at ground
Fixed at ground
I Power failure detect signal input
Fixed at ground
Fixed at ground
I Composite sync input
I
Fixed at ground
I Laser link control signal
I EEPROM serial data
O
O EEPROM serial clock
Not used