Diagrams; Ic Pin Function - Sony TA-V606 Service Manual

2-1. IC PIN FUNCTION

IC103 µPD780205GF-032-3BA (SYSTEM CONTROL)
Pin No. Pin name
1 ––––
2 to 4 ––––
5 F/C/W. MUTE
6 SL MUTE
7 SR MUTE
8 AC MUTE
9 D LATCH
10 RESET
11 X2
12 X1
13 V
SS
14 NP
15 ––––
16 V
DD
17 T LATCH
18 S CLOCK
19 S DATA
20 S LATCH
21 AUTO STOP
22 V MUTE
23 STEREO
24 IF DATA IN
25 GND A/D
26 SIRCS
27 POWER KEY
28 VERSION
29 KEY 5
30 KEY 4
31 KEY 3
32 KEY 2
33 KEY 1
34 VDD A/D
35 VREF A/D
36 V-A
37 V-B
38 V-E
39 STOP
40 V
SS
41 DIRECT PASS
42 SUR RY
43 CENTER RY
44 FRONT RY
45 MIX SUB RY
SECTION 2

DIAGRAMS

I/O
– Not used (Connect to V
– Not used (Connect to ground).
O Front, Center, Woofer mute drive.
O Surround L-CH mute drive.
O Surround R-CH mute drive.
O AC mute drive.
O Data latch output.
I Reset terminal.
O System clock (4.19MHZ).
I System clock (4.19MHZ).
– Ground.
– Not used (Open).
– Connect to reset terminal.
– Power supply (+5V).
O Tuner function latch output.
O Serial clock output.
O Serial data output.
O Serial latch output.
– Not used (Connect to ground).
O Video mute output.
– Not used (Connect to ground).
– Not used (Open).
– Ground for A/D converter.
I Remote control signal input.
I Power key input.
I Destination select input.
I Key input.
I Key input.
I Key input.
I Key input.
I Key input.
– Power supply (+5V) for A/D converter.
I Reference voltage for A/D converter.
O Video switch control output.
O Video switch control output.
O Video switch control output.
O Power ON/OFF control output.
– Ground.
O Direct pass relay drive.
O Surround relay drive.
O Center relay drive.
O Front relay drive.
O Woofer relay drive.
– 5 –
Description
).
DD