DMC-G7R(k)
DMC-G7R
10
COVER(
YWhen the STOP button is pressed while the TEST-PLAY menu appears, or in TEST-PLAY or continuous playback mode, the mode changes5. TEST-REC Mode98.4.24
to the TEST mode stop state.
Y When the PLAY button is pressed while the TEST-PLAY menu appears,continuous playback is initiated from the current pickup position.Step No.Setting MethodDisplay
Y Whenever the DISP button is pressed in the TEST-PLAY mode, the address changes as follows.
Step 1Test mode STOP state[ T E S T ]
0050 N 03C0 N 0700 N 08A0 N 0050 N
Y Whenever the BASS key is pressed in the TEST-PLAY mode, the digit which is changed by the SKIP UP/DOWN button changes as follows.Step 2BASS button2:20
0050 N 0050 N 0050 N 0050 N 0050 NStep 3AUTO menu[ A U T O ]
Y When the SKIP UP button is pressed in the TEST-PLAY mode, the digit of address specified by the BASS button is set to +1h. (0 to F)
Step 4SKIP UP button x 4times (Or SKIP DOWN button x 6 times)
Y When the SKIP DOWN button is pressed in the TEST-PLAY mode, the digit of address specified by the BASS button is set to -1h. (0 to F)PM
* When the SKIP UP/DOWN button is held down, the setting changes continuously, one cycle being 100 ms.Step 5TEST-REC menu[ T R E C ]
Y When the BASS button is pressed in the continuous playback mode, the number of jump lines changes as follows.Step 6When the DISP button is pressed, the process proceeds to (7).y[W
1 N 10 N 400 N 1When the PLAY button is pressed, the process proceeds to (9).
* After the number of jump lines is indicated for one second, the address indication is restored.[ T R _ ]
Step 7TEST-REC mode[ A d 0 0 5 0 ]
Y When the SKIP UP button is pressed in the continuous playback mode, the specified number of lines is jumped in the FWD direction.
Y When the SKIP DOWN button is pressed in the continuous playback mode, the specified number of lines is jumped in the REV direction.Step 8PLAY button 20
* When the SKIP UP/DOWN button is held down, jump is repeated every approx. 100 ms.Step 9Continuous playback mode (groove)[ A P ]
YWhenever the DISP button is pressed in the continuous playback mode, the indication changes as follows.
Step 10 STOP button
* Pit section
Continuous playback (SUBQ address indication)[ S Q ]TROUBLE SHOOTINGStep 11 Test mode STOP state[ T E S T ]
|
Continuous playback (C1 error indication)[ C E ]Y When the STOP button is pressed while the TEST-REC menu appears, or in the TEST-REC mode or continuous record mode, the mode
|changes to the TEST mode stop state.
Continuous playback (SUBQ address indication)[ S Q ]Y When the PLAY button is pressed while the TEST-REC menu appears, the continuous record is initiated from the current pickup position.
* Groove sectionY Whenever the DISP button is pressed in the TEST-REC mode, the address changes as follows.
Continuous playback (ADIP address indication)[ A P ]0050 N 03C0 N 0700 N 08A0 N 0050 N
|Y Whenever the BASS button is pressed in the TEST-REC mode, the digit which is changed by the SKIP UP/DOWN button changes as
Continuous playback (C1 error indication)[ C E ]follows.
|0050 N 0050 N 0050 N 0050 N 0050 N
Continuous playback (ADIP error indication)[ A E ]Y When the SKIP UP button s pressed in the TEST-REC mode, the digit of address specified by the BASS button is set to +1h.(0 to F)
|Y When the SKIP DOWN button is pressed in the TEST-REC mode, the digit of address specified by the BASS button is set to -1h. (0 to F)
Continuous playback (ADIP address indication)[ A P ]* When the SKIP UP/DOWN button is held down, the setting changes continuously, one cycle being 100 ms.
Y : AddressY When the VOL UP/DOWN button is pressed in the TEST-REC mode or continuous record mode, the laser record power changes.
Y : C1 Error rate(Servo gain changes also according to record power.)
Y : ADIP Error rate* After the laser record power is indicated for one second, the address indication is restored.[ R P W ]
Y : JUMP linesY : Address
Y : Laser power cord
Y Operation is disabled if the premastered disc or disc is in miserase-protected state.
Mechanism Adjustment
1. Optical pickup grating inspecting method
6. INNER Mode
TP141OSCILLOSCOPEStep No.Setting MethodDisplayaStep No.Setting MethodDisplay
GND
100KohmStep 1 Test mode STOP state[ T E S T ]Step 6 PLAY button
TP132
EOUT470pStep 2 BASS buttonStep 7 INNER switch position measurement[ S Q ]
GND CH1 CH2Step 3 AUTO menu[ A U T O ]Step 8 STOP button
470p
TP133XYbStep 4 SKIP UP button x 5 timesStep 9 Test mode STOP state[ T E S T ]
FOUT100Kohm(Or SKIP DOWN button x 5 times)
LISSAJOUS'S W AVEFORM
LESS THAN A:B = 3:1Step 5 INNER menu[ I N N E R ]
3
Figure 12-1 OPTICAL PICKUP GRATING DEVIATION2Y When the STOP button is pressed while the INNER menu appears, the mode changes to TEST mode stop state.
MEASURING METHODY : Address
After the automatic adjustment is performed in the AUTO mode
(test mode) with the aid of high refection MD disc ("COMPLATE" is
displayed), the Lissajous's waveform (x-y) is adjusted.1
1. Slightly loosen the 3 screws of spin motor, and make an
Shifting the spin motor installation
adjustment, observing the Lissajous's wavefor.position, check the Lissajous's
2. After adjustment tighten the screws in arder of<1> , <2> ,< 3> .waveform.
3. It confirms Lissajous's wavwform ripple mark once again.
Figure 12-2 |
ACEC
KENWOOD
