Read Sony MDX-65 Service Manual online
– 13 –
Pin No.
Pin Name
I/O
Pin Description
63
—
O
Not used.
64
EE CS
O
Chip select output to EEPROM. (Not used in this set.)
65
EE CKO
O
Serial clock output to EEPROM. (Not used in this set.)
66
EE SIO
I/O
Data input from/output to EEPROM. (Not used in this set.)
67
SENS
I
Internal status input from CXD2652AR (IC200).
68
LIMIT SW
I
Optical pick-up innermost track limit position detection switch (S400) input
69
DOORSW
I
Front door open detection switch (S620) input (“L” : Open complete)
70
MD LAT
O
Serial latch signal output to CXA2523AR (IC100) and CXD2652AR (IC200).
71
MD RST
O
Reset signal output to CXD2652AR (IC200).
72
VSS
—
GND
73
MD ON
O
Servo system power control output (“H” : Power ON)
74
EMPH O
O
De-emphasis circuit control output (“H” : De-emphasis ON)
75
A ATT
I
Analog mute control input (“H” : Mute ON)
76
ILLON
O
Illumination lamp (PL620) light-up control output (“H” : Lamp light-up)
77
TSTSMD
I
Single mode setting pin (“L” : Single mode)
78
TSTCKO
O
Serial clock output to LED for TEST mode display. (Not used in this set.)
79
TSTSO
O
Serial data output to LED for TEST mode display. (Not used in this set.)
80
TSTMOD
I
TEST mode setting pin (“L” : TEST mode)
81
VDD
—
Power supply pin (+5 V)
82 – 85
TSTOUT0 – 3
O
TEST key output pin of 4
×
8 matrix. (Not used in this set.)
86 – 93
TSTIN0 – 7
I
TEST key input pin of 4
×
8 matrix. (Not used in this set.)
94
TEST/VPP
—
Fixed at “L” in this set.
95
DCS1
I
Disc with/without detection 1 switch (S611) input (“H” : with disc)
96
DCS2
I
Disc with/without detection 2 switch (S612) input (“H” : with disc)
97
DCS3
I
Disc with/without detection 3 switch (S613) input (“H” : with disc)
98
DCS4
I
Disc with/without detection 4 switch (S614) input (“H” : with disc)
99
DCS5
I
Disc with/without detection 5 switch (S615) input (“H” : with disc)
100
DCS6
I
Disc with/without detection 6 switch (S616) input (“H” : with disc)
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