Pioneer FX-M2037EW, Service Manual

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FX-M2137ZSA/X1B/UC
Pin No. Pin Name I/O Format Function and Operation
67 VOL0 I Rotary encoder edge input
68 VDD Power supply
69 X2 Crystal oscillator connection pin
70 X1 Crystal oscillator connection pin
71 IC GND
72 XT2 Open
73 TESTIN I Test program mode input
74 AVDD Positive power supply terminal for analog circuit
75 AVREF0 GND
76 SL I Signal level input
77 BASS I A/D converter input from BASS volume
78 TRE I A/D converter input from TREBLE volume
79 BAL I A/D converter input from BALANCE volume
80 FAD I A/D converter input from FADER volume
* PE5378A
1
20
21
40
41
60
61
80
Format Meaning
C C MOS
* S-80835CNUA-B8U
V
REF
1 2 3
VDD
VSS
OUT