DVR-640H-S
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7. GENERAL INFORMATION
7.1 DIAGNOSIS
Jigs and Tools to be used
Service Mode List
1. Setting type
Remote control unit for serving (GGF1381)
DVD Recorder Data Disc (Type 2)(
*
)
Download disc
Test disc (GGV1025)
DVD-RW (Commercial goods)
7.1.1 Model setting
7.1.2 CPRM ID number and data
7.1.3 Firmware downloading method
7.1.4 Video Adjustment for Specific Area
7.1.5 (4) OSD Filter Setting
• When replacing MAIN ASSY or TUJB ASSY.
• When "CPRM ERROR" is displayed on the display screen.
• After the MAIN ASSY or HDD replaced.
• After model setting (After replacing MAIN ASSY, TUJB ASSY).
• After the HDD is replaced.
• When NG is displayed for the version infomation in Service mode.
•
When a flicker appears on the tuner display like a horizontal or vertial
out-of-sync symptom
• When a character flicker appears on the OSD depending on the monitor.
Item
When to perform
Necessary procedure List when replacing Assys
HDD
1. Model setting
2. LD power adjustment
3. CPRM setting
4. Firmwave download
1. CPRM setting
2. Firmwave download
Necessary setting
State after replacing
User setting
HDD contents
2. Diagnosis type
7.1.5 Service Mode
First screen : Version, Simple diagnosis of the RF level, Simple error
rate measurement, HDD information.
Second screen : ATA/ATAPI debug screen, LD degration judgement
Fourth screen : VR-recording-related error loss
7.1.6 Aging Mode
7.1.7 HDD Check Mode
• When confirming version infomation
• When confirming the state of DRIVE Assy.
When a claimed sympton is difficult to reproduce.
When checking the quality of HDD.
(
*
)
Be sure to use the latest disc (Type 2).
In April, 2006, the latest disc is GGV1238.
www. xiaoyu163. com
QQ 376315150
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