Tuner/Timer Mode Control Pin Function; (Fr-161 Board Ic180) - Sony SLV-SE85 Service Manual

5-7. TUNER/TIMER MODE CONTROL PIN FUNCTION

(FR-161 BOARD IC180)

Pin No. Pin Name I/O
1 TXT RST O
2 NC —
LANC IN
3 I
(SENSER)
LANC OUT
4 O
(SENSER)
5 NC —
6 SIRCS IN I
7 EEP DATA I/O
8 EEP SCL I/O
9 SDA I/O
10 SCL I/O
11 FDP CS O
12 NC —
13 X-UCOM CS O
14 NC —
15 VSS —
16 TU ENABLE O
17 PLL CLK O
18 PLL DATA O
19 OSD CS O
20 NC —
21
ASURA RESET O
22
ASURA CS O
23 POWER CONT1 O
24 POWER CONT2 O
25 NC —
26 ML ENABLE O
27 OPTION2 I
28 NC —
29 OPTION3 —
30 NC —
31 NC —
32 Not used —
33 Not used —
34 Not used —
35 SI (TO CME) I
36 SO (FROM CME) O
37 SCLK I/O
38 NC —
39 NC —
40 RST I
41 VSS —
42 XTAL O
43 EXTAL I
44 VDD —
45 NC —
46 NC —
OSD SO
47 O
(FROM CME)
48 OSD SCLK O
Function
Teletext IC (ML Board IC950) Reset
signal
Lanc Input
Lanc Output
Remote control Input.
I2C bus interface Data Input/Output
I2C bus interface Clock Input/Output
I2C bus interface Data Input/Output
I2C bus interface Clock Input/Output
FLD Driver Chip Select
ML IC Chip Select (ML Board IC902)
GND
Tuner Chip Select
Tuner PLL Clock
Tuner PLL Data
OSD IC (MA359 IC660) Chip Select
S/S micom (MA359 board IC160)
reset signal
S/S micom (MA359 board IC160)
Chip Select signal
Main Power supply control signal
Secondary Power supply control signal
Together with 28, 30 & 31
ML board IC950 Enable signal
ML board IC950 Busy signal
Together with 25, 30 & 31
Not used ?
Together with 28 & 25
Positive supply Voltage
Serial Data Input
Serial Data Output
Serial Clock Input/Output
System Reset
GND
Internal Oscillator output for 20 MHz
crystal
Internal Oscillator 20 MHz crystal input
Positive supply Voltage
Together with 49 ~ 52
Serial Data Output
Serial Clock Input/Output
Pin No. Pin Name
49 NC
50 NC
51 NC
52 NC
53 VDD
54 TEX
55 TX
56 VSS
57 AV LINK OUT
58 SIRCS OUT
59 NC
60 NC
61 NC
62 BUZZER
63 POWER FAIL
64 Not used
65 Not used
66 CGV
67 PDC DAV
68 Not used
69 AV LINK IN
70 Not used
71 Not used
72 A/D0
73 A/D1
74 A/D2
75 A/D3
76 A VSS
77 A VREF0
78 A VREF1
79 A VDD
80 A/D4
81 A/D5
82 A/D6
83 Not used
84 DMS1
85 DMS2
86 AFT
87 HDET
88 VDD
89 VDD
90 VSS
91 NC
92 NC
93 NC
94 NC
95 NC
96 NC
97 NC
98 NC
99 EEP MODE
100 X-UCOM RST
5-4E
I/O Function
—
—
Together with 45 & 46
—
—
— Positive supply Voltage
I Internal Oscillator 32 kHz crystal input
Internal Oscillator output for 32 kHz
O
crystal
— GND
O AV LINK output
O Remote control output
—
— Together
—
Buzzer Output/Clock Crystal
O
frequency division output
I Power Voltage drop Detection pin
— Positive supply Voltage
— Positive supply Voltage
I Vertical Synchro detection
I VPS/PDC Acknowledge signal
— Positive supply Voltage
I AV LINK input
— Positive supply Voltage
— Positive supply Voltage
I Key Pad Reading
I Key Pad Reading
I Key Pad Reading
I Key Pad Reading
— GND
— Positive supply Voltage
— Positive supply Voltage
— Positive supply Voltage
I Key Pad Reading
I Key Pad Reading
—
Together
—
I
I
I Ground Wave tuner AFT detection
I HDET signal input
— Positive supply Voltage
— Positive supply Voltage
— GND
—
—
—
—
Together
—
—
—
—
O EEP Mode control
X-UCOM reset signal
O
(IC902 ML Board)