Инструкции По Обслуживанию для Sigma Gold TDP-52-SN3

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27.1.1999 
4A0701GB.__1
5
Product: TDP-52-SN3 (Sigma Gold)     /  OA0701 Processor
5.1.2.3 Display Module, A101
5.1.2.4 Answer Module, I101
5.1.3 Circuit Diagram
The processor and audio circuit diagram is split into five parts. Signals in the 
circuit diagrams have been given names, and signals with the same name are 
connected between diagrams.
1
VCC supply 
voltage
5V
2
RES
reset-line
0/5V
3
CSI
display data input
0/5V
4
AO
5
SCL
clock line for data
0/5V
6
SI
7
GND
ground
8
CONT
not function
9
GND
10
LED
supply voltage for led of display
11
KEYOUT1
key matrix output (volume key -)
0/5V
12
KEYINP4
13
KEYINP4
key matrix input (volume keys+/-)
0/5V
14
KEYOUT0
key matrix output (volume key +)
0/5V
15
PWRKEY
powerkey
16
GND
1
VCC supply 
voltage
5V
2
REC
record control
0/5V
3
GND
ground
4
PLAYE
5V
5
PLAYL
play control
0/5V
6
ANAIN
audio input
7
GND1
ground
8
VCCA
supply voltage
5V
9
SP+
audio output
10
GND2
ground