Pioneer MEH-P7100R, Service Manual

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76
MEH-P7100R,P7150
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Pin No. Pin Name I/O Function and Operation
68 BRXEN I/O P-BUS communication input/output
69 TELIN I HANDS FREE/Cellular mute input
70 SMPXS0 O Multiplexor select output 0
71 SMPXS1 O Multiplexor select output 1
72 SMPXS2 O Multiplexor select output 2
73 TEST GND
74 SL I Signal level input
75 SAIN I Spectrum analyzer input
76 NL1 I RDS noise level input 1
77 ASLIN I ASL input
78 EJTIN I Eject key input
79 MODEL I Model select input
80 DALMON O For consumption current decease
81 NC Not used
82 AVDD A/D converter power supply terminal
83 AVREF A/D converter reference voltage terminal
84 AVSS GND
85 RX I IP BUS data input
86 TX O IP BUS data output
87 NMI GND
88
ldet
I PLL lock detect input
89
rck
I RDS clock input
90 RDS57K I RDS 57kHz pulse count input
91
isens
I Illumination sense input
92
asens
I ACC power sense input
93
bsens
I Back up power sense input
94 TUNPDI I PLL IC data input
95 RXD I Grille data input
96 TXD O Grille data output
97 TUNPCK O PLL IC clock output
98 TUNPDO O PLL IC data output
99 TUNPCE O PLL IC chip enable output
100 PEE O Beep tone output
*PE5104A
30
31
50
51 80
81
100
1