Pioneer DEH-2000R Service Manual page 61

Pin No. Pin Name
57 CDMUTE
58 CDEJET
59 CDLOAD
60 LOCK
61 FOK
62 PCL
63 MIRR
clamp
64
xsck
65
66 XSI
67 XSO
68 XA0
xrst
69
xstb
70
71,72 NC
73 TEST
74 SL
75 MODEL1
76 NL1
77 SDBW
78 EJTSNS
79 DSCSNS
80 VDSENS
81 TEMP
82 (VDD)
83 (VDD)
84 (GND)
85,86 NC
87 GND
ldet
88
rck
89
90 RDS57K
91 NC
asens
92
bsens
93
94 TUNPDI
95 KEYDT
96 DPDT
97 TUNPCK
98 TUNPDO
99 TUNPCE
100 PEE
*PE5025A
31
50
I/O Function and Operation
O CD mute control output
O CD eject control output
O CD LOAD motor loading control output
I CD spindle lock input
I CD focus OK input
O Clock adjustment output
I CD mirror detector input
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
Not used
I Test terminal
I Tuner signal level input
I Model select input
I RDS noise level input
I SD bandwidth input
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
Not used
GND
I RDS PLL lock sense input
I RDS demodulation clock input
I RDS 57kHz pulse count 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
81
DEH-2000R,2030R,2020R
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
61