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Model
DAV-DZ280 DAV-DZ680 DAV-HDZ284 DAV-HDZ485 HCD-DZ280 HCD-DZ680 HCD-HDZ284 HCD-HDZ485
Pages
102
Size
5.25 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-dz280-dav-dz680-dav-hdz284-dav-hdz485-hcd-dz28.pdf
Date

Sony DAV-DZ280 / DAV-DZ680 / DAV-HDZ284 / DAV-HDZ485 / HCD-DZ280 / HCD-DZ680 / HCD-HDZ284 / HCD-HDZ485 Service Manual ▷ View online

HCD-DZ280/DZ680/HDZ284/HDZ485
25
DVD  SECTION
6-1.  GENERAL  DESCRIPTION
•  The IOP measurement allows you to make diagnosis and ad-
justment simply by using the remote commander and moni-
tor TV. The instructions, diagnosis results, etc. are given on 
the on-screen display (OSD).
  Be sure to execute the IOP measurement when a BU (Base 
Unit) is replaced.
6-2.  HOW  TO  ENTER  TEST  MODE
While pressing the [
x
] and [
Z
] buttons simultaneously, turn 
[VOLUME] control in the direction of (+) with the DVD player 
in power on.
The Test Mode starts, displayed “SERVICE IN” on this model 
display then the menu shown below will be displayed on the TV 
screen.
*  The display of the “Model Name” of the “Remocon Diagnosis 
Menu” change with the model and the destination. Refer to 
below on the model name.
 DZ280 : 
DSY2E
 DZ680 : 
DSY6E
 HDZ284 
DSY2N
 HDZ485 
DSY4N
The menu above is the Remocon Diagnosis Menu screen which 
consists of fi ve main functions. At the bottom of the menu screen, 
the model name and IF-con version. To exit from the Test Mode, 
press the [
?/1
] button on the remote commander.
6-3.  EXECUTING  IOP  MEASUREMENT
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
(1)  In power on, while pressing the [
x
] and [
Z
] buttons simultane-
ously, turn the [VOLUME] control in the direction of (+).
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name
IF-con
: Ver. XX.XX (XXXX)
Syscon
: Ver. X.XXX
: DSY2N_XX
*
1
*1: Changes depending on destination 
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name
IF-con
: Ver. XX.XX (XXXX)
Syscon
: Ver. X.XXX
: DSY2N_XX
*
1
*1: Changes depending on destination 
5. Product Out
•  This mode moves the optical pick-up to the position durable 
to vibration and clears all data including preset data stored in 
the RAM to initial conditions. Use this mode when returning 
the set to the customer after repair.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [FUNCTION] button to set the function “DVD”.
3.  Remove all discs, and then press three buttons [
x
], [
Z
] and 
[VOLUME+] simultaneously.
4.  Displayed to message “initialize all data ...” on the fluorescent 
indicator tube when pressing in turn the [4] t [DVD MENU] 
t [CLEAR] buttons.
5.  After the “STANDBY” blinking display fi nishes, the message  
“MECHA LOCK” h “UNPLUG” is displayed on the 
fl uorescent indicator tube disconnect the AC power plug, then 
the product out mode is set.
HCD-DZ280/DZ680/HDZ284/HDZ485
26
6-4.  EMERGENCY  HISTORY
To check the emergency history, please follow the following 
procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “3. 
Emergency History Check” by pressing the [3] button on the 
remote commander. The following screen appears on the on-
screen display.
(2)  You can check the total time when the laser is turned on during 
playback of DVD and CD from the above menu. The maximum 
time, which can be displayed are 999h 59min.
(3) You can check the error code of latest 10 emergency history 
from the above menu. To view the previous or next page of 
emergency history, press [
.
] or [
>
] button on the remote 
commander. The error code consists of the following three 
blocks. The fi rst block indicates the error code. The second 
block indicates the parameter and the third block indicates the 
time of error code as shown below.
• Error Code
 
*1 : Error Code
 
*2 : Parameter of error code
 
*3 : Time of error code
 
The meaning of error code is as below:
 
01:   Communication error (No reply from syscon)
 
02:   Syscon hung up
 
03:   Power OFF request when syscon hung up
 
19:   Thermal shutdown
 
24:   MoveSledHome error
 
25:   Mechanical move error (5 Changer)
 
26:  Mechanical move stack error
 
30:   DC motor adjustment error
 
31:   DPD offset adjustment error
 
32:   TE balance adjustment error
 
33:   TE sensor adjustment error
 
34:   TE loop gain adjustment error
 
35:   FE loop gain adjustment error
 
36:   Bad jitter after adjustment
 
40:   Focus NG
 
42:   Focus layer jump NG
 
52:   Open kick spindle error
 
51:   Spindle stop error
Emg. History Check
01.  01  05  04  04
Laser Hours
CD
999h
59min
DVD
999h
59min
00  92  46  00
00  00  00  00
00  00  23  45
02.  02  02  01  01
00  A9  4B  00
00  00  00  00
00  00  23  45
[Next]   Next Page    [Prev]  Prev Page
[O]  Return to Top Menu
Emg. History Check
01.  01  05  04  04
Laser Hours
CD
999h
59min
DVD
999h
59min
00  92  46  00
00  00  00  00
00  00  23  45
02.  02  02  01  01
00  A9  4B  00
00  00  00  00
00  00  23  45
[Next]   Next Page    [Prev]  Prev Page
[O]  Return to Top Menu
*
1
*
2
*
3
(2)  Select “2. Drive Manual Operation” by pressing the [2] button 
on the remote commander. The screen will appear as shown.
(3)  Select “3. Manual Adjustment” by pressing the [3] button on 
the remote commander. The screen will appear as shown.
(4)  Select “6. IOP” by pressing the [6] button on the remote 
commander.
(5)  Wait until a hexadecimal number appear.
(6) Convert each data from hexadecimal to decimal using 
conversion table.
(7) Please fi nd the label on the rear of the BU (Base Unit).
 
The default IOP value is written in the label.
(8)  Subtract between these two values.
(9)  If the remainder is smaller than 93 (decimal), then it is OK. 
However if the value is higher than 93, then the BU is defective 
and need to be change.
(10) Press the [RETURN] button on the remote commander to 
return back to previous menu.
(11) Press the [0] button on the remote commander to return to Top 
Menu.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time adjust
0. Return to Top Menu
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
0 P  Change Value
[RETURN] Return to previous menu
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. 4F:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
[RETURN] Return to previous menu
0 P  Change Value
HCD-DZ280/DZ680/HDZ284/HDZ485
27
 
60:   Focus on error
 
61:   Seek fail error
 
62:   Read Q data/ID error
 
70:   Lead in data read fail
 
71:  TOC read time out (CD)
 
80:   Can’t buffering
 
81:   Unknown media type
6-4-1.  Clear the Laser Hour
Press [  DISPLAY] button and then press [CLEAR] button on 
the remote commander. The data for both CD and DVD data are 
reset.
6-4-2.  Clear the Emergency History
Press [DVD TOP MENU]  button and then press [CLEAR] button 
on the remote commander. The error code for all emergency history 
would be reset.
6-4-3.  Clear the Initialize Setup Data
Press [DVD MENU] button and then press [CLEAR] button on the 
remote commander.
Emg. History Check
01.  01  05  04  04
Laser Hours
CD
0h
0min
DVD
0h
0min
00  92  46  00
00  00  00  00
00  00  23  45
02.  02  02  01  01
00  A9  4B  00
00  00  00  00
00  00  23  45
[Next]   Next Page    [Prev]  Prev Page
[O]  Return to Top Menu
01.  00  00  00  00
Laser Hours
CD
999h
59min
DVD
999h
59min
00  00  00  00
00  00  00  00
00  00  00  00
02.  00  00  00  00
00  00  00  00
00  00  00  00
00  00  00  00
[Next]   Next Page    [Prev]  Prev Page
[O]  Return to Top Menu
Emg. History Check
Emg. History Check
initialize setup data...
Laser Hours
CD
999h
59min
DVD
999h
59min
[Next]   Next Page    [Prev]  Prev Page
[O]  Return to Top Menu
6-4-4. Return to the Top Menu of Remocon Diagnosis 
Menu
Press [0] button on the remote commander.
6-5.  CHECK  VERSION  INFORMATION
To check the version information, please follow the following 
procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “4. 
Version Information” by pressing the [4] button on the remote 
commander. The following screen appears on the on-screen 
display.
 
To return to the Top Menu of Remocon Diagnosis Menu, press  
[0] button on the remote commander.
7.  D.C.A.C. (AUTOMATIC  ACOUSTIC  FIELD  CALIBRA-
TION)  TEST  MODE (DZ680/HDZ284/HDZ485)
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [FUNCTION] button to set the function “ DVD”.
3.  Insert Calibration mic (ECM-AC2) supplied as an accessory 
into the AUDIO IN/A.CAL MIC jack.
4.  While pressing the [
x
] and [
Z
] buttons simultaneously, turn 
the [VOLUME] control in the direction of (–).
5. Confi rm that the following are shown on the display panel.
1
  The JACK inserted/non-inserted detection display and the 
STEREO/MONO detection display.
2
  Presence of DIGITAL voice input to the microcomputer. 
(OK: input, NG: no input)
3
 The AD value of the MIC input to the microcomputer. 
(shown “255h”)
6.  To exit from this mode, press the [
x
] and [
Z
] buttons simulta-
neously, turn the [VOLUME] control in the direction of (–).
Version information
[O]  Return to Top Menu
Firm (Main) :  Ver. xxxxx
Firm (Sub) :  xxxxx
RISC :   xxxxx
8032  :   xxxxx
Audio DSP :  xxxxx
Servo DSP :    xxxxx
Phy,Adr,   :  F,F,F,F,
     
     
  “NON”  : Not detected
 “ST” : 
STEREO
 “MN” : 
MONO
  OK : input
 
NG : no input
  0-255 (Changes in real time)
HCD-DZ280/DZ680/HDZ284/HDZ485
28
9.  DEMO  PLAY  MODE  OUT
It is a mode to release the demonstration reproduct by the dedicated 
demonstration disc.
1.  During playback the DEMO Disc, press the [
x
] and [
N
buttons for fi ve seconds simultaneously.
2.  The message “DEMO OFF” is displayed, a mode to reproduct 
the demonstration is released.
10.  DMPORT (DIGITAL  MEDIA  PORT)  TEST
1.  Connect the DMPORT CHECK JIG (P/N: J-2501-309-A) with 
the terminal DMPORT.
2.  Press the [
?/1
] button to turn the power on.
3. Confi rm that both LEDs of the DMPORT confi rmation  JIG 
lights. (Confi rmation the power supply line.)
4.  Set the [FUNCTION] button with “DMPORT” on this model.
5.  Press three buttons [
x
], [
N
] and [FUNCTION] simultane-
ously, the DMPORT test mode is activated.
6. It is confi rmed that “DMPORT OK” is displayed on this set 
display. (Confi rmation of communication line)
7.  To a pin jack of the DMPORT confi rmation JIG input informa-
tion relevant to audio signal (sine-wave 1.0Vrms) and compos-
ite video signal (white 100% 1.0Vp-p, color bar, etc.) 
8. Confi rm the output of speakers and monitor TV. (Confi rmation 
of analog signal)
9.  To exit from this mode, press three buttons [
x
], [
N
] and 
[FUNCTION] simultaneously.
color pattern
generator
DMPORT 
CHECK JIG 
(P/N: J-2501-309-A)
MAIN
board
TV
SET
CN451
CN4000 (DZ280/DZ680),
J4001 (HDZ284/HDZ485)
J001 7
AF oscillator
FL speaker, 
FR speaker
IO-SCART or
IO-COMPONENT
board
SPEAKER
board
TB5301
VIDEO
AUDIO
8.  AMP  TEST  MODE
•  This mode is used to measurement and test of the AMP con-
nection.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press three buttons [
x
], [
N
] and [
Z
] simultaneously. When 
the this mode, blink to segments (“SA-CD” and “CAT”) on FL 
display.
3.  Press [DISPLAY] button of the remote commander. When the 
this mode is displayed as “MEASURE” on FL display.
  Whenever the [DISPLAY] button is pressed, the AMP test 
mode changes in the following order.
 
 
MEASURE USAFETY 
MEASURE: AMP measurement mode
SAFETY: 
AMP regulations, temperature, character mode
4.  Press [MUTING] button on the remote commander. When the 
this mode is displayed as “VOL N” on FL display.
  Whenever the [MUTING] button is pressed, the VOL test 
mode changes in the following order.
 
 
VOL N UVOL M/M
VOL N: 
Turn the [VOLUME] control, the display is 
change in succession (MIN y MAX)
VOL M/M:  Turn the [VOLUME] control in the direction of 
(+) is change to “MIN”, turn the direction of (–) 
is change to “MAX”.
5.  To exit from this mode, press the [
?/1
] button to “COLD 
RESET” and turn the power off.
Page of 102
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