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MEH-P5350
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Waveforms
1 RF
0.4V/div. 0.5µs/div.
Normal mode: Play
4 CH1: FIN
0.2mV/div.
5 CH2: FOP
1V/div.
6 CH2: FOM
1V/div.
Test mode: No disc, Focus close
9 CH1: TEY
1V/div.
0 CH2: TIN
0.1V/div.
Test mode: 32 tracks jump (REV)
8 CH1: FEY
0.2V/div.
4 CH2: FIN
0.2V/div.
Normal mode: Play
24
Notes:
1. Circled figures represent the measuring points in the circuit diagram.
2. Reference voltage VC: 1.65V < · VC >
3. Premastered MD, Make measurements using the MMD110.
Nonetheless, waveforms indicated as "Recordable MD" should be
measured using the MMD212.
4. Use TMD325W as the Defect MD.
1 CH1: RF
2 CH2: MNT3
(OFTRK)
Test mode: Tracking open
4 CH1: FIN
7 CH2: MNT0 2V/div.
0.5s/div.
(FOK)
Normal mode: Focus close
9 CH1: TEY
0.5ms/div.
0 CH2: TIN
Test mode: Single jump (REV)
4 CH1: FIN
5ms/div.
@ CH2: SIN
Normal mode: Play
1 CH1: RF
0.5V/div.
0.5ms/div.
3 CH2: MNT2 2V/div.
2V/div.
Test mode: The defect part passes 800µm
8 CH1: FEY
0.5V/div.
0.2s/div.
9 CH2: TEY
9 CH1: TEY
0.5V/div.
0.5ms/div.
0 CH2: TIN
0.2V/div.
! CH3: CIN
4 CH1: FIN
0.1V/div.
0.5s/div.
@ CH2: SIN
0.5V/div.
Normal mode: Play(Recordable MD)
0.5V/div.
0.5ms/div.
(DFCT)
0.2V/div.
1V/div.
Normal mode: Focus close
1V/div.
5ms/div.
0.2V/div.
0.5V/div.
Test mode: Fine jump (REV)
0.1V/div.
0.5s/div.
0.5V/div.
2ms/div.
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