Nokia NME-2A Series - Audio Fault

P.A.M.S.
Technical Documentation
NME–2A
Troubleshooting Instructions
Page 13
Original 08/97
Audio Fault
Audio fault
YES
NO
Microphone or earphone
signal missing
Microphone signal
missing?
YES
Earphone signal
missing?
YES
NO
Microphone and
earphone signal
missing?
CODEC pin 15/SYNC (from ASIC)
CODEC pin 16/CODEC_CLK (from ASIC)
DSP pins 79, 82/PCMCOSYCLKX (from ASIC)
DSP pins 60, 81/PCMDATRCLKX (from ASIC)
DSP pin 80/CODEC_CLK
CODEC pin 21/HF_MIC
CODEC pin 22/MIC
CODEC pin 10/PCMOUT
CODEC pins 6, 7/LSP
CODEC pins 3, 4/EAR
CODEC pin 14/PCMIN
DSP D200/pin 78