Pioneer FH-P404 UC Service Manual page 69

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Pin No. Pin Name
bsck
65
66 BSI
67 BSO
brst
68
69,70 NC
71 VCAOUT
72 NC
73 TEST
74 SL
75–78 KD 0-3
79 MODEL
80 NC
adpw
81
82 AVDD
83 AVREF1
84 GND
85 RX
86 TX
87 GND
88 REMIN
isens
89
90 NC
91 TELIN
asens
92
bsens
93
94 TUNPDI
TE
L 13942296513
95 UART2
96 UART1
97 TUNPCK
98 TUNPDO
99 TUNPCE
100 PEE
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
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I/O Function and Operation
I/O P-BUS serial clock input/output
IO P–BUS serial data input/output
O P–BUS serial data output
O P–BUS reset output
Not used
O Sub woofer volume control output
Not used
Test terminal
I SD level input from tuner
I Analog key input 0-3
I Model select input
Not used
O Control output for analog output reference power
Positive power supply terminal for analog circuit
(D/A converter standard voltage)
GND
I IP BUS data input
O IP BUS data output
GND
I Remote control pulse input
I Illumination sense input
Open
I TEL mute signal input
I ACC power sense input
I Back up power sense input
I PLL IC data input
I Enable data output
O Serial data output
O PLL IC clock output
O PLL IC data output
O PLL IC chip enable output
O Beep tone output
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8
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3 6 7 1 3 1 5
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31
50
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FH-P404
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
100
81
69