Pioneer XR-A550MD Service Manual page 78

XR-A550MD
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Key Allocation for Test Mode 2
Mode Meaning and use of commands in Test Mode 2
Short Used when engaging Test Mode.
Resets and starts the MD unit and inputs this command.
PRESET Operates at adjusted value set in Test Mode, after writing to EEPROM and
executing mechanism positioning.
0
EJECT command
MENU Test Mode menu scan (1)
(Scans menus related to adjustments and EEPROM.)
ENTER Test Mode menu scan (2)
(Scans mainly menus related to continuous playback and continuous recording.)
DISP/CHARA Test Mode menu scan (3)
(Scans INNER Mode, JUMP SELECT, and other menus.)
MD REC/STOP Test Mode menu reverse scan
(Scans all Test Mode menus in reverse order.)
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Selects or starts execution of a menu.
7
Stops a test item and moves to the next most important menu selection.
S.M. JOG 1. Slide forced scan (FWD direction)
(clockwise) 3. ADDRESS set value UP
S.M. JOG 1. Slide forced scan (REV direction)
3. ADDRESS set value DOWN
(counterclockwise)
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1. DISC forced EJECT
1
1. DISC forced LOAD
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DELETE 1. Laser power changeover in EJECT
2. Display changeover during continuous playback
3. Set value digit changeover when setting ADDRESS
Test Mode 2 Menu
1. AUTO Preliminary Adjustment Mode
2. AUTO Adjustment Mode
3. RESULT Preliminary Mode
4. RESULT Mode (this adjustment)
5. MANUAL Preliminary Adjustment Mode
6. MANUAL Adjustment Mode
7. EEPROM Setting Mode
8. TEST-PLAY Mode
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9. TEST-REC Mode
10. INNER Mode
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11. EJECT Mode
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Ejects disc.
2. JUMP execution (FWD)
4. Direction designation when setting tracking
2. JUMP execution (REV)
4. Direction designation when setting tracking
2. Set value UP
2. Set value DOWN
Executes AUTO Preliminary Adjustment. (After adjustment, Grating Adjustment Mode is engaged.)
Outputs adjusted value.
Executes AUTO Adjustment.
Outputs adjusted value.
Executes continuous playback (error rate display, jump test)
Displays measured values, set values, and calculated values.
Changes set value manually (in Servo OFF status).
Displays set value (after calculation).
Changes set value manually (in Servo OFF status).
Executes RF side manual adjustment.
Executes focus/tracking signal ATT manual adjustment.
Executes focus/tracking signal offset adjustment.
Executes focus/tracking signal ATT manual adjustment.
Manually changes all digital servo coefficients, etc.
Turns each servo ON independently.
Measures temperature detector terminal voltage and standard value.
Executes continuous playback from designated address.
Measures C1 error rate and ADIP error rate.
Executes continuous recording from designated address.
Changes recording laser output (and also changes servo gain to match laser output).
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Measures point where INNER switch is turned ON.
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To (EEPROM set) TEMP setting
To (EEPROM set) CONTROL setting
Laser power setting (Rec/Play power)
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2 9
8
(Test Mode setting)
Restart with this key after quitting Test Mode
(Auto Adjustment Disabled Mode setting).
Continuously pressed down
Continuously pressed down
Continuously pressed down
Continuously pressed down
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Remarks
0 5 8 2 9 9 4 2 8
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9 9
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