HCD-S550/S880
0-2-3. ROM Check Sumby pressing the [RETURN] button on the remote commander.
The revision number of ROM (IC204) that the program for
the DVD system processor (IC206) is stored.Note:During adjustment of each disc, the measurement for disc type judg-
ment is made. As automatic adjustment does not judge the disc
type unlike conventional models, take care not to insert wrong type
0-2-4. Model Typediscs. Also, do not give a shock during adjustment.
Model name is displayed. (DAV-S550 or DAV-S880)
0-2-5. Region1-1. DVD-SL (single layer)
Press the [1] key on the remote commander and insert a DVD single
Model destination code is displayed. (2 digits number)layer disc following the message. Then the adjustment will be made
0-3. EEPROM Checkthrough the steps below, then adjusted values will be written to the
0-3-1. Sampling CheckEEPROM.
EEPROM check at every 64 words.DVD Single Layer Disc Adjustment Steps:
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.1. Sled tilt reset
2. Disc check memory SL
3. Wait 300 msec
0-3-2. Detail Check4. Set disc type SL
EEPROM check at every 1 word.
It compares read data with write data of each address. When5. LD on
there are discrepancies between two data, it displays error.6. Spindle start
7. Wait 1 sec
8. Focus servo on 0
0-4. GP I/O Check
Pull up/down setting check of the DVD system processor (IC206)9. Auto track offset adjust
pin 150, 151 and 154 (for clock setting port).10. CLVA on
11. Wait 500 msec
12. Tracking on
0-5. SD Bus Check
SD bus data check between DVD decoder (IC701) and D-RAM13. Wait 1 sec
(IC706).14. Sled on
15. Check CLV on
16. Auto LFO adjust
0-6. Video Check
Output the color bars for video level adjustment.17. Auto focus offset adjust
18. Auto tilt position adjust
19. Auto focus gain adjust
0-7. Audio Check20. Auto focus offset adjust
Output the test signal (1kHz sine wave) for 5.1 CH test.
21. EQ boost adjust
1. DRIVE AUTO ADJUSTMENT22. Auto loop filter offset adjust
23. Auto track gain adjust
On the Test Mode Menu screen, press the [1] key on the remoteSearch Check
commander, and the Adjustment Menu will be displayed.
24. 32 track jump forward
## Drive Auto Adjustment ##25. 32 track jump reverse
26. 500 track jump forward
Adjustment Menu27. 500 track jump reverse
0. ALL28. All servo stop
1. DVD-SL29. EEP copy loop filter offset
2. CD1-2. CD
3. DVD-DL
Press the [2] key on the remote commander and insert a CD disc
following the message. Then the adjustment will be made through
the steps below, then adjusted values will be written to the EEPROM.
CD Adjustment Steps
Exit: RETURN1. Sled tilt rest
2. Disc check memory CD
3. Wait 500 msec
Normally[10/0], is selected to adjust DVD (single layer), CD and4. Set disc type CD
DVD (dual layer) in this order. But, individual items can be adjusted5. LD on
6. Spindle start
for the case where adjustment is suspended due to an error. In this7. Wait 500 msec
mode, the adjustment can be made easily through the operation
following the message displayed on the screen.8. Focus servo on 0
The disc used for adjustment must be the one specified for9. Auto track offset adjust
10. CLVA on
adjustment.11. Wait 500 msec
1-0. ALL12. Tracking on
Press the [10/0] key on the remote commander, and the servo set13. (TC display start)
14. Wait 1 sec
data in EEPROM will be initialized. Then, 1. DVD-SL disc, 2. CD15. Jitter display start
disc and 3. DVD-DL disc are adjusted in this order.
Each time one disc was adjusted, it is ejected. Replace it with the16. Sled ON
specified disc following the message. You can finish the adjustment17. Check CLV on
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