Pioneer KEH-P6800R, Service Manual

Page: 51 / 64

Pin No. Pin Name I/O Function and Operation
61 RIMUTE O Mute output when RI
62 PCL O Clock adjustment output
63 NR O NR output
64 SC2 O Cassette mechanism sub motor control output
65 SC1 O Cassette mechanism sub motor control output
66 CM O Cassette mechanism capstan motor control output
67
stby
O Drive IC control output
68
loadsw
I Cassette mechanism loading detect input
69-71 NC Not used
72 DALMON O "L" output when ACC OFF
73 TEST I Connect to GND
74 SL I Signal level input
75 SEL I Select input for the destination
76 NC Not used
77 CL I Synchronizing signal input
78 NL I Noise level input
79-81 NC Not used
82 AVDD Positive power supply terminal for analog circuit
83 AVREF1 A/D converter reference voltage
84 AVSS A/D GND
85 RX I IP BUS data input
86 TX O IP BUS data output
87 GND GND
88
ldet
I PLL lock sense input
89 RCK I RDS demodulation clock input
90 RDS57K I 57kHz pulse count sense input
91 NC Not used
92
asens
I ACC power sense input
93
bsens
I Back up power sense input
94 TUNPDI I PLL IC data input
95 KEYDT I Display data input
96 DPDT O Display data output
97 TUNPCK O PLL IC clock
98 TUNPDO O PLL IC data output
99 TUNPCE O PLL IC chip enable
100 PEE O Beep tone output
51
KEH-P7800R,P6800R
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
30
31
50
51 80
81
100
1
*PD4975B