Pioneer DEH-P8MP Service Manual page 70

1
Pin No. Pin Name
57 EMUTE
58,59 NC
A
60 VDD
61 NC
62 VSS
63 NC
64 KEYD
65 PADA
66 PACK
67 DALMON
68 NC
tunpce@
69
70 TUNPCE1
B
71 ROMCS
asens
72
bsens
73
74 ROMCK
75 ROMDATA
76 VST
77 VDT
78 VCK
79 IPPW
80 ASENBO
isens
81
82,83 MODEL1,0
C
84 SYSPW2
85 MUTE
86 TESTIN
87 CROSSKEY
ddchk
88
89 KEYAD
90 LVLINR
91 DSENS
92 LVLINL
93 ASLIN
94 AVSS
95 SL
D
96 VREF
97 AVCC
98 TUNPDI
99 TUNPDO
100 TUNPCK
* PD5925A
25
26
E
50
51
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
F
70
1
WWW.PCBOOK.IR
2
I/O Function and Operation
O Electronic volume : Mute output
Not used
Power supply input
Not used
GND
Not used
I Wired remote control input
I Power amp : Data input
I/O Power amp : Clock input / output
O For consumption current reduction output
Not used
O TUNER : Chip enable output(EEPROM)
O TUNER : Chip enable output(PLL)
O ROM correction chip select output
I ACC sense input
I Back up sense input
O ROM correction clock output
I/O ROM correction data input/output
O Electronic volume : Strobe output
O Electronic volume : Data output
O Electronic volume : Clock output
O IPBUS : Driver power supply control output
O IPBUS : Slave ACC sense output
I Illumination sense input
I Model select input
O Power IC power control output
O System mute output
I Test program input
I Cross key data input
I Temperature sense input for power amp DC/DC converter
I Wired remote control input
I Level indicator R channel input
I Flap close sense input
I Level indicator L channel input
I ASL input
A/D converter power supply terminal
I TUNER : Signal level input
A/D converter reference voltage
A/D converter power supply input terminal
I TUNER : PLL communication data input
O TUNER : Data output(PLL)
O TUNER : Clock output(PLL)
1
100
76
75
DEH-P8MP/XN/UC
2
3
HA12240FP
STB VCC
8 7
BIAS
+
-
RECEIVER
OUTPUT
1 2
S1 R
3
4
BUS+ BUS-
6 5
DRIVER
OUTPUT
COM
3 4
S2 GND
4