Kenwood KDC-CX85 Service Manual page 7

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Pin Name I/O
81 VDD -
82 P100/TI5/TO5 I
83 P101/TI6/TO6 I
84 P102/TI7/TO7 O
85 P103/TI8/TO8 O
86 P30/TO0 O
87 P31/TO1 O
88 P32/TO2 I
89 P33/TI1 O
90 P34/TI2 O
91 P35/TI00 O
92 P36/TI01 O
93 P37 I
94 TEST/VPP I
95 P90 I
96 P91 I
97 P92 I
98 P93 I
99 P94 O
100 P95 I
Function
VDD Positive power voltage connection terminal
RAMTEST Production RAM check mode
REQH Communication request from H/U
SP/LO+ Spindle/Loading control terminal+
SP/LO- Spindle/Loading control terminal -
ELV+ Mechanism deck ascent/descent terminal +
ELV- Mechanism deck ascent/descent terminal -
EDI EEPROM data input
EDO EEPROM data output
ECLK EEPROM clock output
ECS EEPROM chip selection output
8V/7V Mechanism movement driver IC power voltage control
ADJSEL Servo automatic adjustment ON/OFF terminal
TEST/VPP Flash ROM program mode
SRVSEL Servo active mode (no mechanism movement)
SLNSA Thread non-sansitive area ON/OFF terminal
TEST1 For test mode
TEST2 For test mode
PON PON output
ARMSW Arm switch
KDC-CX85/CPS85
Description Processing Operation
L: Servo automatic adjustment ON
H: Servo mode
L: Thread non-sensitive area
L: AVR power ON
H: Arm switch ON
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