Ic Pin Function Description - Sony STR-DE435 Service Manual
Fm stereo fm-am receiver
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Also See for STR-DE435:
- Operating instructions manual (157 pages) ,
- Service manual (46 pages) ,
- Limited warranty (1 page)
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STR-DE435/DE535/SE491/V424/V525
3-15.
IC PIN FUNCTION DESCRIPTION
• IC100 uPD780208GF-032-3BA/M62438FP-600D SYSTEM CONTROL (DISPLAY BOARD)
Pin No.
Pin Name
I/O
1
VDD.+5V
—
Power Supply (+5 V).
2
S1
O
Video IC S1.
3
S2
O
Video IC S2.
4
V.MUTE
O
Video IC MUTE.
5
INITIALIZE
O
Reset.
6
VIR CNTL
O
VIR Control.
7
GND
—
Not used (ground).
8
AC.MUTE
O
A-class mute.
9
D.LATCH
O
Dolby latch.
10
RESET
I
System reset.
11, 12
X2, X1
—
System clock X101(5.0 MHz).
13
VSS. GND
—
VSS (0 V).
14
N.C.
—
Open.
15
RDS.DAT.IN
I
RDS data input.
16
VDD.+5v
—
Power Supply (+5 V).
17
T.LATCH
O
Tone latch.
18
S.CLOCK
O
Serial clock.
19
S.DATA
O
Serial data.
20
S.LATCH
O
Serial latch.
21
AUTO.STOP
I
Auto stop detect input.
22
TUNER.MUTE
O
Tuner mute.
23
STEREO
I
Stereo.
24
IF.DATA.IN
I
IF. Data input.
25
GND.A/D
—
A/D ground (0 V).
26
SIRCS
I
SIRCS input.
27
CTRLA1LAT
O
Control A1 Latch.
28
SIGNAL
I
Signal.
29
VERSION
I
Version.
30 to 33
KEY4 to 1
I
Key A/D 4 to 1
34
VDD.A/D.+5V
—
A/D power supply (+5 V).
35
VREF.A/D.+5V
—
A/D reference voltage (+5 V).
36
CTRL-A1.OUT
O
Control-A1 out.
37
CTRL-A1.IN
I
Control-A1 in.
38
RDS.CLK.IN
I
RDS clock in.
39
STOP
I
STOP.
40
VSS.GND
—
Ground.
41
DIRECT.PASS
O
Direct pass.
42
SUR.RY
O
Surround relay.
43
CENTER.RY
O
Center relay.
44
FRONT.RY
O
Front relay.
45
W.RY
O
Woofer relay.
46
VDD.+5V
—
+5 V.
47
PROTECTOR.IN
I
Protector in.
48
POWER.RY
O
Power relay.
49
BASS.BOOST
O
Bass boost.
50
SP.OFF
I
Speaker off.
Description
— 37 —
Pin No.
Pin Name
I/O
51
VOL –
O
Volume –.
52
VOL +
O
Volume +.
53
GND
—
Not used (ground).
54
S.MUTE
O
S. Mute.
55
SYS. POWER
I
System Power.
56
GND
—
Not used (ground).
57
5.1.INPUT.LED
O
5.1/DVD input LED drive.
58
SET UP LED
O
Set up LED drive.
59
MUTING.LED
O
Muting LED drive.
60
TONE.LED
O
TUNE LED drive.
61
SURR.LED
O
Surround LED drive.
62
NAME.LED
O
NAME LED drive.
63
PHONO.LED
O
PHONO LED drive.
64
TUNER.LED
O
TUNER LED drive.
65
CD.LED
O
CD LED drive.
66
MD/TAPE.LED
O
MD/TAPE LED drive.
67
TV/DBS.LED
O
TV/DBS LED drive.
68
VIDEO.LED
O
VIDEO LED drive.
69
BASS/TREBLE LED
O
BASS/TREBLE LED drive.
70
B.BOOST.LED
O
B. BOOST LED drive.
71 to 78
P1 to P8
O
Key Out 1 to 8 Fluorescent indicator tube drive.
79
VLOAD
—
Vee (–30V).
80 to 88
P9 to P17
O
Key Out 9 to 17 Fluorescent indicator tube drive.
89 to 100
G12 to G1
O
Fluorescent indicator tube drive.
Description
— 38 —
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