Sony MDSJE320 Service Manual - Page 46

Sony MDSJE320 - MiniDisc Recorder Manual

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Pin No. 81 82 83 84, 85 Pin Name DIG-RST BEEP DA-RST DSEL A, DSEL B 86 MOD 87 - 88 - 89 SCTX 90 XLATCH 91 - 92 - 93 AMUTE 94 LOAD OUT 95 LOAD IN 96 LIMITIN 97 PROTECT 98 REFLECT 99 GND 100 +3.3V I/O Function O Reset signal output to the CXD2650R or CXD2652AR and motor driver Reset: "L" O BEEP PWM output (Not used) O Reset signal output to the D/A, A/D converter Reset: "L" O Digital input selection signal output Laser modulation switching signal output Playback power: "L", stop: "H" Recording power: 0.5S O 2S - - Not used Writing data transmission timing output to the CXD2650R or CXD2652AR O Shared with the magnetic head ON/OFF output O Latch signal output to the serial bus - Not used - Not used O Line out muting output O O Loading motor control output *1 Detection input from the limit switch I Sled limit-In: "L" Recording-protection claw detection input from the protection detection switch I Protect: "H" Disk reflection rate detection input from the reflect detection switch I Disk with low reflection rate: "H" - Ground - +3.3V power supply *1 Loading motor control Operation Pin IN LOAD IN 95 pin "H" LOAD OUT 94 pin "L" OUT "L" "H" Brake "H" "H" - 62 -

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— 62 —
*1
Loading motor control
Pin No.
Pin Name
I/O
Function
81
82
83
84, 85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
DIG-RST
BEEP
DA-RST
DSEL A, DSEL B
MOD
—
—
SCTX
XLATCH
—
—
AMUTE
LOAD OUT
LOAD IN
LIMITIN
PROTECT
REFLECT
GND
+3.3V
O
O
O
O
O
—
—
O
O
—
—
O
O
O
I
I
I
—
—
Reset signal output to the CXD2650R or CXD2652AR and motor driver
Reset: “L”
BEEP PWM output (Not used)
Reset signal output to the D/A, A/D converter
Reset: “L”
Digital input selection signal output
Laser modulation switching signal output
Playback power: “L”, stop: “H”
Recording power:
Not used
Writing data transmission timing output to the CXD2650R or CXD2652AR
Shared with the magnetic head ON/OFF output
Latch signal output to the serial bus
Not used
Not used
Line out muting output
Loading motor control output *1
Detection input from the limit switch
Sled limit-In: “L”
Recording-protection claw detection input from the protection detection switch
Protect: “H”
Disk reflection rate detection input from the reflect detection switch
Disk with low reflection rate: “H”
Ground
+3.3V power supply
0.5S
2S
Pin
LOAD IN 95 pin
LOAD OUT 94 pin
Operation
IN
“H”
“L”
OUT
“L”
“H”
Brake
“H”
“H”