Pioneer KEH-P6900R Service Manual page 71

Pin No. Pin Name
56 CM
57 SC1
58 SC2
59 NES
60 RES
61 POS
62 PCL
63 NR
mtlsw
64
65 RIMUTE
66 PLAY
67 DIRO
68 MSIN
loadsw
69
70 RECIVE
71,72 NC
73 TEST
74 SEL
75 SL
76 NC
77 CL
78 NL
79 FLPILM
80 EJECTS
81 NC
82,83 VDD
84 GND
85 RX
86 TX
87 GND
ldet
88
rck
89
90 RDS57K
91 NC
bsens
92
asens
93
94 TUNPDI
95 KEYDT
96 DPDT
97 TUNPCK
98 TUNPDO
99 TUNPCE
100 PEE
*PE5083A
31
50
I/O Function and Operation
O Cassette mechanism capstan motor control output
O Cassette mechanism sub motor control output
O Cassette mechanism sub motor control output
I Cassette mechanism forward end sense input
I Cassette mechanism reverse end sense input
I Cassette mechanism position sense input
O Clock adjustment output
O Dolby NR ON/OFF select output
I Metal sense input
O RI mute output
O MS gain select output
O Head F/R select output
I Cassette mechanism MS sense input
I Tape loading input
O During RDS data reception output
Not used
I Test terminal
I Select input for the destination
I SD level input from tuner
O Open
I Not used
I Noise level input
O Inside of flap illumination output
I EJECT input
Not used
Power supply
GND
I IP BUS data input
O IP BUS data output
GND
I PLL lock sense input
I RDS demodulation clock input
I 57kHzBP-OUT sense input
Not used
I Back up power sense input
I ACC power sense input
I PLL IC data input
I Display data input
O Display data output
O PLL IC clock
O PLL IC data output
O PLL IC chip enable
O Beep tone output
100
81
KEH-P6900R,P6900R-B,P6910R
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
71