COVER/CIR/EXP-INT 98.4.24 2:57 PM y[W 5
DPC-885
CIRCUIT DESCRIPTION
Pin No.NameI/OFunction
91LINEILine out detection terminal
92HOLDIHOLD switch on/off
93LDOLaser diode output terminal
94LIDSWICover open detection switch
95XWIHOWrite permission signal output for RL5C356
96XEMPIRead prohibition signal input for RL5C356
97XWREIWrite prohibition signal input for RL5C356
98XQOKOCD sub code Q OK signal output for RL5C356
99XLTOLATCH output to RL5C356
100SQSOICDQ code data input from CXD 3009Q
2. Test Mode
2-1 Setting the test mode
This model can be set to the test mode by shorting
the test-land of the X32 board.
START
Turn on lid
switch
YESTEST MODE
Is test land
shorted?
NO
Track No. "01"
is displayed.
NO
Is key pushed?
Test mode
Normal operation
processing
See following table.
2-2 Key and functions avild in test mode
No. ModeKey NameFunctionTRACK No. display
05
1. Focus servo.....................................................................................................ON
PLAY/PAUSE2. Tracking servo.................................................................................................ON After 1, 2 and 3 are
105(6)3. Feed servo......................................................................................................ONfinished, track No.
played currently and its
Absolute time at position of limit SW is displayed in time area, then play is started.
play time are indicated.
UP1. Focus servo.....................................................................................................ON
2032. Tracking servo...............................................................................................OFF 03
(c)
3. Feed servo....................................................................................................OFF
1. Focus servo...................................................................................................OFF
STOP2. Tracking servo...............................................................................................OFF
30101
(7)3. Feed servo....................................................................................................OFF
< Test mode can be can celled while pressing the STOP (7) Key in 01 mode.
All LCD is turned ON for 2 seconds.
4 While pressing the?
P. MODE/SEARCH Key, All LCD is turned OFF for 2 seconds. N
turn the AC ON?
Returned to normal mode.
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