Sony HCD-C900 Service Manual page 45

3-13. EMERGENCY HISTORY
### EMG. History ###
Laser Hours CD xxxxxxxh
DVD xxxxxxxh
1. 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
2. 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Select: 1 – 9 Scroll: UP/DOWN
(1: Last EMG.) Exit: RETURN
On the Test Mode Menu screen, selecting
information such as servo emergency history. The history
information from last 1 up to 10 can be scrolled with ↑ key
or ↓ key. Also, specific information can be displayed by directly
entering that number with ten keys.
The upper two lines display the laser ON total hours. Data below
minutes are omitted.
Clearing History Information
Clearing laser hours
[DVD DISPLAY]
Press and
Both CD and DVD data are cleared.
Clearing emergency history
[TITLE] [CLEAR]
Press and
Initializing set up data
[DVD MENU] [CLEAR]
Press and
The data have been initialized when "Set Up Initialized" message
is displayed. The EMG. History screen will be restored soon.
How to see Emergency History
3 1
1.
1 : Emergency Code
2 : Don't Care
These codes are used for verification of software designing.
3 : Historical order 1 to 9
Emergency Codes List
10: Communication to IC001 (RF-240 board) failed.
11: Each servo for focus, tracking, and spindle is unlocked.
12: Communication to EEPROM, IC101 (DVD board) failed.
13: Writing of hours meter data to EEPROM, IC101 (DVD board)
failed.
14: Communication to Servo DSP IC302 (DVD board) failed, or
Servo DSP is faulty.
20: Initialization of tilt servo and sled servo failed. They are not
placed in the initial position.
21: Tilt servo operation error
22: Syscon made a request to move the tilt servo to wrong position.
23: Sled servo operation error
24: Syscon made a request to move the sled servo to wrong position.
30: Tracking balance adjustment error
31: Tracking gain adjustment error
32: Focus balance adjustment error
33: Focus bias adjustment error
[4]
displays the
[CLEAR]
keys in this order.
keys in this order.
keys in this order.
2
2
34: Focus gain adjustment error
35: Tilt servo adjustment error
36: RF equalizer adjustment error
37: RF group delay adjustment error
38: Jitter value after adaptive servo operation is too large.
40: Focus servo does not operate.
41: With a dual layer (DL) disc, focus jump failed.50: CLV
(spindle) servo does not operate.
51: Spindle does not stop.
60: With a DVD disc, Syscon made a request to seek nonexistent
address.
61: With a CD disc, Syscon made a request to seek nonexistent
address.
62: With a CD disc, Syscon made a request to seek nonexistent
track No. and index No.
63: With a DVD disc, seeking of target address failed.
64: With a CD disc, seeking of target address failed.
65: With a CD disc, seeking of target index failed.
70: With a DVD disc, physical information data could not be read.
71: With a CD disc, TOC data could not be read.
80: Disc type judgment failed.
81: As disc type judgment failed, retry was repeated.
82: As disc type judgment failed, a measurement error occurred.
83: Disc type could not be judged within the specified time.
84: Illegal command code was received from Syscon.
85: Illegal command was received from Syscon.
3-14. VERSION INFORMATION
## Version Information ##
IF con. Ver: x. xxx (xxxx)
Group 00
SYScon. Ver: x. xxx (xxxx)
Model xx
Region 0x
Servo DSP Ver:X.XXX
OPT Type:2 Laser
Exit: RETURN
On the Test Mode Menu screen, selecting
version and region code.
The parenthesized hexadecimal number in version field is checksum
value of ROM.
3-15. VIDEO LEVEL ADJUSTMENT
On the Test Mode Menu screen, selecting
for video level adjustment. During display of color bars, OSD
disappears but the menu screen will be restored if pressing any key.
Measurement point : MONITOR OUT VIDEO
(75 Ω terminating resistance)
Measuring instrument : Oscilloscope
Adjustment device : RV501 on DVD board
Specified value : 1.0 ± 0.02 Vpp
HCD-C700/C900
[5]
displays the ROM
[6]
displays color bars
1.0 ± 0.02 Vp-p
27