Manual - Pioneer DEH-P400 Service Manual

DEH-P400,P4000,P4050
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Pin No. Pin Name
clamp
64
xsck
65
66 XSI
67 XSO
68 XA0
xrst
69
xstb
70
71 VCAOUT
72 SUBMUT
73 TEST
74 SL
75 MODEL1
76,77 NC
78 EJTSNS
79 DSCSNS
80 VDSENS
81 TEMP
82 (VDD)
83 (VDD)
84 (GND)
85 RX
86 TX
87 GND
ldet
88
89–91 NC
asens
92
bsens
93
TE
L 13942296513
94 TUNPDI
95 KEYDT
96 DPDT
97 TUNPCK
98 TUNPDO
99 TUNPCE
100 PEE
*PD4989A
31
50
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I/O Function and Operation
I CD disc clamp sense input
O CD LSI clock output
I CD LSI data input
O CD LSI data output
O CD LSI command/data control output
O CD LSI reset output
O CD LSI strobe output
O Sub woofer electronic volume control output
O Sub woofer mute output
I Test terminal
I Tuner signal level input
I Model select input
Not used
I CD disc EJECT position detect
I CD disc detect input
I CD VD over voltage / short-circuit sense input
I CD temperature sense input (CD)
A/D converter power supply terminal
A/D converter reference voltage terminal
A/D converter GND
I IP BUS data input
O IP BUS data output
GND
I RDS PLL lock sense input
Not used
I ACC power sense input
I Back up power sense input
I PLL IC data input
I Key data input
O Display data output
O PLL IC clock output
O PLL IC data output
O PLL IC chip enable
O Beep tone output
100
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8
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3 6 7 1 3 1 5
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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