Tuner/Timer Mode Control Pin Function; (Fr-119 Board Ic470) - Sony SLV-E325EG Service Manual

6-6. TUNER/TIMER MODE CONTROL PIN FUNCTION

(FR-119 BOARD IC470)

Pin No. Pin Name I/O
1 PDC DAV I
2 DMS1 I
3 DMS2 I
4 SIRCS IN I
5 N.C. —
6 N.C. —
7 BUZZER O
8 POWER SAVE I
9 LED CS O
10 SCLK O
11 SI I
12 SO O
13 H DET O
14 LANC IN I
15 LANC OUT O
16 A/D0 I
17 A/D1 I
18 A/D2 I
19 A/D3 I
20 A/D4 I
21 A/D5 I
22 A/D6 I
23 AFT I
24 AVDD —
25 AV REF —
26 SCL O
27 CG CS O
28 SDA O
29 CME CS O
30 AVSS —
31 EXTAL —
32 XTAL —
33 VSS —
34 RST I
35 PLL CLK O
36 PLL DATA O
37 PLL ENABLE O
38 N.C. —
39 C+ DET I
40 N.C. —
41 N.C. —
42 POWER FAIL O
43 VFDP —
44 SEG16 O
45 SEG15
46 SEG14
47 SEG13
48 SEG12
49 SEG11
50 SEG10
Function
Line 21H output pulse.
DMS A/D input.
DMS A/D input.
SIRCS signal input.
Not used.
Not used.
Buzzer output.
LED chip select. L : Active.
Clock for serial communication.
Serial data input.
Serial data output.
LANC input.
LANC output.
Key reading A/D input.
Key reading A/D input.
Key reading A/D input.
Key reading A/D input.
Key reading A/D input.
Key reading A/D input.
Key reading A/D input.
UNSWD 5V.
A/D port reference input UNSW5V.
I2C bus (clock).
Character generator chip select
signal.
I2C bus (data).
AV link microcomputer chip select.
Unswitched ground.
System clock.
System clock.
Ground.
Reset signal in.
Tuner clock signal.
Tuner data signal.
Tuner enable signal.
Not used.
Canal + detection.
Not used.
Not used.
Power failure detect sigal input.
-30V
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
Pin No. Pin Name
51 SEG9
52 SEG8
53 SEG7
54 SEG6
55 SEG5
56 SEG4
57 SEG3
58 SEG2
59 SEG1
60 SEG19
61 SEG18
62 SEG17
63 N.C.
64 N.C.
65 N.C.
66 GRID6
67 GRID5
68 GRID4
69 GRID3
70 GRID2
71 GRID1
72 TDD
73 TX
74 TEX
75 NC/VPP
76 ASURA CS
77 ASURA RESET
78 POWER CONT 1
79 POWER CONT 2
80 CG V
6-4E
I/O Function
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
LCD segment output.
— Not used.
— Not used.
— Not used.
O LCD grid signal.
LCD grid signal.
LCD grid signal.
LCD grid signal.
LCD grid signal.
LCD grid signal.
UNSWD 5V.
— Connected to oscillator for clock.
— Connected to oscillator for clock.
— Connected to +5V.
Servo/System control microcomputer
O
chip select.
O System reset signal output.
O Power supply control signal output.
Power supply control signal output to
O
EDS.
I Vertical sync. signal input.