Sony MDS-PC3 User Manual
Page 8

8
CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS
Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent.
Details of the procedures are described in “5 Electrical Adjustments”.
• 5-6-2. Laser power check (see page 27)
• 5-6-3. Iop Compare (see page 27)
• 5-6-4. Auto Check (see page 28)
Note:
The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value for
adjustments.
When performing adjustments, use the specified values for adjustments.
FORCED RESET
The system microprocessor can be reset in the following procedure.
Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor, etc.
Procedure :
Remove the short-pin attached to CN420, and then attach it again.
[MAIN BOARD] (Component Side)
CN420
- WM-FX491 (2 pages)
- WM-FX493 (2 pages)
- MZ-R70 (76 pages)
- MZ-R500 (76 pages)
- MZ-R500 (20 pages)
- NW-E105PS (46 pages)
- NW-E105PS (1 page)
- NW-E105PS (1 page)
- NW-E105PS (2 pages)
- NWZ-E438FPNK (2 pages)
- NWZ-E438FPNK (126 pages)
- NW-MS9 (24 pages)
- MZ-NH1 (128 pages)
- MZ-N10 (2 pages)
- MZ-NF810CK (2 pages)
- MZ-N10 (136 pages)
- MZ-NF810CK (2 pages)
- MZ-N510CK (2 pages)
- MZ-NF810CK (2 pages)
- MZ-N10 (1 page)
- MZ-NH600 (112 pages)
- D-NE900 (44 pages)
- D-NE10 (40 pages)
- MZ-NHF800 (132 pages)
- D-NF340 (2 pages)
- MZ-NF810CK (128 pages)
- MZ-NH900 (136 pages)
- MZ-NH700 (116 pages)
- D-CJ01 (32 pages)
- CD Walkman D-EJ885 (40 pages)
- Walkman Radio Cassette Player WM-FX227 (2 pages)
- CD Walkman D-EJ360 (2 pages)
- TCM-400DV (2 pages)
- BM-535 (5 pages)
- Atrac3/MP3 CD Walkman D-NF600 (44 pages)
- WM-GX670 (2 pages)
- CD Walkman D-E551 (2 pages)
- AZ-HS1 (20 pages)
- ZS-H10CP (2 pages)
- MZ-R410DPC (64 pages)
- CD Walkman D-FJ65 (32 pages)
- ZS-D50 (96 pages)
- ZS-D50 (48 pages)
- CD Walkman D-EG7 (24 pages)
- BM-577 (6 pages)