Pioneer KEH-P8800R/EW Service Manual page 57

Pin No. Pin Name
64 VSS4
65 VCK
66 VDT
67 VST
68 ROMCS
69-72 NC
bsens
73
asens
74
75 NC
76 DRELAY
77 LOCH
78 LOCL
79 TAPEMUTE
80 NC
81 FM/AM
tmute
82
drst
83
rdslk
84
85 RDT
86 DRSENS
87 DRSYS
88 TESTIN
89 SK
currq
90
91 LEVELR
92 LEVELL
93 NC
94 SDBW
95 NL
96 VSS5
97 SL
98 VREF
99 VCC4
100 TUNPDI
*PD5495A,PD5496A
31
50
I/O Function and Operation
GND
O E-VOL clock output
I E-VOL data input
I E-VOL strobe pulse input
O ROM correction chip select output
Not used
I Back up power sense input
I ACC power sense input
Not used
O External relay output
O Local "H" output
O Local "L" output
O RINT mute output
Not used
O FM/AM power select output
O Tuner mute output
O RDS decoder reset output
I RDS lock signal input
I RDS data input
I Door open/close sense input
O Door system select output
I Test mode IN/test enable
I SK signal input
O Tuner voltage FIX output
I Level meter "R" AD input
I Level meter "L" AD input
Not used
I SD input
I Noise level input
GND
I Signal level input
A/D converter reference voltage
5V
I PLL data input
100
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
81
KEH-P8800R,P8800R-W,P8850
57