Pioneer GS300 Service Manual page 34

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91
- DSP error check (Normal)
DSPERR1
DSPERR2
DSPCS1
DSPCS2
DSPCK
DSPCS1
DSPCS2
DSPCK
- Electronic volume refresh (Normal)
Electronic VR IF
VDT
VCK1
VCK2
VST
- DSP error check ---Error continuation
DSPRST
34
4mS interval
(Periodical communication)
About 500mS interval
About 1S interval
Both terminals confirmation
every 4mS