Skew Adjust → Ng; Read (Cd) Adjust; Adjust Fe → Ng; Dpp (Differential Push-Pull: One Of The Tracking Error Detection Methods) Balance → Ng - Sony MVC-CD300 Service Manual
Hide thumbs
Also See for MVC-CD300:
- Operating instructions manual (108 pages) ,
- Specifications (2 pages) ,
- Service manual (132 pages)
Table of Contents
Advertisement
2.
SKEW Adjust
2-1. SKEW Adjust t NG (Judgement is not performed)
Purpose
Adjust the skew error caused by
OP unit to minimum.
3.
Read (CD) Adjust
3-1. Adjust FE t NG
Purpose
Adjust the focus error amplitude
and non-uniformity of the offset
of the OP unit
3-2. DPP (Differential Push- Pull: One of the Tracking Error Detection Methods) Balance t NG
Purpose
Adjust non-uniformity of the
tracking error balance of the OP
unit.
3-3. TE Gain Offset t NG
Purpose
Adjust non-uniformity of the
tracking error amplitude and offset
due to the OP unit and IC.
3-4. Focus Gain, Tracking Gain t NG
Purpose
Adjust non-uniformity of the
focus gain and that of the tracking
gain due to the OP unit.
3-5. Focus Bias t NG (Judgment is not performed.)
Purpose
Adjust non-uniformity of the fo-
cus fine adjustment against CD,
caused by OP unit and IC.
3-6. MPP Out Adjust t NG
Purpose
Adjust to minimize the variations
of MPP offset to the CD cased by
the OP and IC.
Trouble Symptom
OK is shown all the time. The OK/
NG judgement is not performed.
Trouble Symptom
NG indication appears.
Trouble Symptom
NG indication appears.
Trouble Symptom
NG indication appears.
Trouble Symptom
NG indication appears.
Trouble Symptom
OK is shown all the time. The OK/
NG judgment is not performed.
Trouble Symptom
NG indication appears.
— 35 —
Cause
Cause
Result of the adjustment has
exceeded the non-uniformity
specifications of the OP unit.
Cause
Result of the adjustment has ex-
ceeded the non-uniformity speci-
fications of the OP unit.
Cause
Result of the adjustment has ex-
ceeded the non-uniformity speci-
fications of the OP unit.
Cause
Result of the adjustment has ex-
ceeded the non-uniformity speci-
fications of the OP unit.
Cause
Cause
Variation has exceeded the speci-
fication value.
Repair
Repair
Replace the OP unit.
Repair
Replace the OP unit.
Repair
Replace the OP unit.
Repair
Replace the OP unit.
Repair
Repair
Replace the OP unit.
Advertisement
Chapters
Table of Contents
