Circuit Diagram - Benefon SIGMA GOLD TDP-52-SN3 Service Manual

5.1.2.3 Display Module, A101
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5.1.2.4 Answer Module, I101
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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.
4A0701GB.__1
VCC supply voltage
RES reset-line
CSI display data input
AO
SCL clock line for data
SI
GND ground
CONT not function
GND
LED supply voltage for led of display
KEYOUT1 key matrix output (volume key -)
KEYINP4
KEYINP4 key matrix input (volume keys+/-) 0/5V
KEYOUT0 key matrix output (volume key +)
PWRKEY powerkey
GND
VCC supply voltage
REC record control
GND ground
PLAYE
PLAYL play control
ANAIN audio input
GND1 ground
VCCA supply voltage
SP+ audio output
GND2 ground
Product: TDP-52-SN3 (Sigma Gold)
27.1.1999
/ OA0701 Processor
5V
0/5V
0/5V
0/5V
0/5V
0/5V
5V
0/5V
5V
0/5V
5V
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