Pioneer KEH-P9700REW, Service Manual

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62
KEH-P9700R,P9750
Pin No. Pin Name I/O Function and Operation
59 SC1 O Sub motor control output
60 CM O Capstan motor control output
61
stby
O Stand-by output
62 PCL O Clock adjustment output
63
brxen
I/O P-BUS reception enable input/output
64
bsrq
O P-BUS service request output pin
65
bsck
I/O P-BUS serial clock input/output
66 BSI I P–BUS serial data input
67 BSO O P-BUS output
68
brst
O P–BUS reset output
69
dsens
I Grille detach sense
70
st
I FM stereo input
71
adpw
O Control output for analog input reference power
72 DALMON O DFS alarm output
73 TEST I Test terminal
74 SL I SD level input from tuner
75 CL I Synchronizing signal input of display data latch
76 NL I Noise level input
77 SD I SD input
78 TESTIN I Test program mode input
79 IPPW O Power supply control output for IP BUS interface IC
80 ASENBO O Slave power supply control output
81
currq
O Tuner voltage FIX output
82,83 VDD Power supply
84 GND GND
85 RX I IP BUS data input
86 TX O Digital audio interface data output terminal
87 GND GND
88
ldet
I PLL lock sense input
89 RCK I FROM clock input
90 RDS57K I 57kHzBP-OUT sense input
91 TELIN I Telephone mute input
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 input
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
25
26
50
51
75
76
100
1
*PD4903A
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.