Pioneer KEH-P7850 Service Manual page 41

Multi-cd control high power cassette player with fm/am tuner
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Pin No.
Pin Name
61
RIMUTE
62
PCL
63
NR
64
SC2
65
SC1
66
CM
stby
67
loadsw
68
69-71
NC
72
DALMON
73
TEST
74
SL
75
SEL
76
NC
77
CL
78
NL
79-81
NC
82
AVDD
83
AVREF1
84
AVSS
85
RX
86
TX
87
GND
ldet
88
89
RCK
90
RDS57K
91
NC
asens
92
bsens
93
94
TUNPDI
95
KEYDT
96
DPDT
97
TUNPCK
98
TUNPDO
99
TUNPCE
100
PEE
*PE5002A
31
50
I/O
Function and Operation
O
Mute output when RI
O
Clock adjustment output
O
NR output
O
Cassette mechanism sub motor control output
O
Cassette mechanism sub motor control output
O
Cassette mechanism capstan motor control output
O
Drive IC control output
I
Cassette mechanism loading detect input
Not used
O
"L" output when ACC OFF
I
Connect to GND
I
Signal level input
I
Select input for the destination
Not used
I
Synchronizing signal input
I
Noise level input
Not used
Positive power supply terminal for analog circuit
A/D converter reference voltage
A/D GND
I
IP BUS data input
O
IP BUS data output
GND
I
PLL lock sense input
I
RDS demodulation clock input
I
57kHz pulse count sense input
Not used
I
ACC power sense input
I
Back up 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
IC's marked by* are MOS type.
Be careful in handling them because they are very
100
liable to be damaged by electrostatic induction.
81
KEH-P7850
41

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