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DPC-885
CIRCUIT DESCRIPTION
Pin No. 91 92 93 94 95 96 97 98 99 100 Name LINE HOLD LD LIDSW XWIH XEMP XWRE XQOK XLT SQSO I/O I I O I O I I O O I Function Line out detection terminal HOLD switch on/off Laser diode output terminal Cover open detection switch Write permission signal output for RL5C356 Read prohibition signal input for RL5C356 Write prohibition signal input for RL5C356 CD sub code Q OK signal output for RL5C356 LATCH output to RL5C356 CDQ 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
Is test land shorted?
NO
YES
TEST MODE
Track No. "01" is displayed.
Is key pushed?
NO
Normal operation
Test mode processing
See following table.
2-2 Key and functions avild in test mode
No. Mode Key Name PLAY/PAUSE (6) Function 1. Focus servo.....................................................................................................ON 2. Tracking servo.................................................................................................ON 3. Feed servo ......................................................................................................ON Absolute time at position of limit SW is displayed in time area, then play is started. 1. Focus servo.....................................................................................................ON 2. Tracking servo...............................................................................................OFF 3. Feed servo ....................................................................................................OFF 1. Focus servo...................................................................................................OFF 2. Tracking servo...............................................................................................OFF 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. ó All LCD is turned OFF for 2 seconds. ó Returned to normal mode. TRACK No. display 05 After 1, 2 and 3 are finished, track No. played currently and its play time are indicated. 03
1
05
2
03
UP (¢)
3
01
STOP (7)
01
4
While pressing the P. MODE/SEARCH Key, turn the AC ON
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