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Model
HCD-GZR888D HCD-GZR999D MHC-GZR888D MHC-GZR999D
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108
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5.64 MB
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PDF
Document
Service Manual
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Device
Audio
File
hcd-gzr888d-hcd-gzr999d-mhc-gzr888d-mhc-gzr999d.pdf
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Sony HCD-GZR888D / HCD-GZR999D / MHC-GZR888D / MHC-GZR999D Service Manual ▷ View online

HCD-GZR888D/GZR999D
21
SECTION  3
TEST  MODE
[COLD  RESET]
•  The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [DISC 3] button and [
?/1
] button simul-
taneously.
3.  The message “COLD RESET” appears on the LCD module.
Then,  the  LCD  module  becomes  blank  for  a  while,  and  the
system is reset.
[COMMON  TEST  MODE]
•  This mode is used to check operations of the respective section
of Equalizer level, volume and VACS ON/OFF.
Procedure:
•  To enter Common Test Mode
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [PRESET EQ] button and [DISC 1] si-
multaneously.
3.  The message “VACS0” appears on the LCD module.
•  Check of Equalizer Level
1.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “ALL EQ MIN” appears on the LCD module. GEQ
decreases to its minimum.
2.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “ALL EQ MAX” appears on the LCD module. GEQ
increases to its maximum.
3.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “ALL EQ FLAT” appears on the LCD module. GEQ
is set to flat.
•  Check of Volume
1.  Press the [USB] button repeatedly, the sound volume increases
to its maximum and message “VOLUME16”
t “VOLUME
MAX” appears on the LCD module.
2.  Press  the  [OPTIONS]  button  repeatedly,  the  sound  volume
decreases  to  its  minimum  and  message  “VOLUME16”
t
“VOLUME MIN” appears on the LCD module.
•  Check of VACS (Variable Attenuation Control System) 
ON/OFF Select
1.  Press  the  [REC TO  USB]  button  repeatedly  until  a  message
“VACS OFF” or “VACS ON” appears on the LCD module.
•  To release from Common Test Mode
1.  To release from this mode, press the [
?/1
] button.
2.  To cold reset is enforced at the same time.
[AMP  TEST  MODE]
•  This  mode  is  used  to  display  the  real  time  VACS  level  and
check operations of the respective sections of Equalizer band
and DBFB ON/OFF.
Procedure:
•  To enter AMP Test Mode
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [GROOVE] button and [DISC 1] button
simultaneously.
3.  The message “AMP TEST IN” appears on the LCD module.
•  Check of VACS Display/AMP Adjustment Select
1.  Press  the  [REC TO  USB]  button  repeatedly  until  a  message
“V0 0 0” appears on the LCD module. “0” represents VACS
level which is triggered by signal level.
2.  Press  the  [REC TO  USB]  button  repeatedly  until  a  message
“D  +4  0  +2”  appears  on  the  LCD  module.  “+4”  represents
Equalizer Low level, “0” represents Equalizer Mid level and
“+2” represents Equalizer High level.
•  Check of Equalizer Band Select
1.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “LOW +4 dB” appears on the LCD module. EQ Band
is set to Low level.
2.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “MID 0 dB” appears on the LCD module. EQ Band is
set to Middle level.
3.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “HIGH +2 dB” appears on the LCD module. EQ Band
is set to High level.
•  Change of Equalizer Band
1.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “LOW +4 dB” appears on the LCD modulel.
2.  When  the  [OPERATION  DIAL]  ring  is  turned  clockwise  or
counterclockwise  even  slightly,  “LOW  +4  dB”  change  to
“LOW –8 dB”
y “LOW +8 dB” appears on the LCD mod-
ule.
3.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “MID 0 dB” appears on the LCD module.
4.  When  the  [OPERATION  DIAL]  ring  is  turned  clockwise  or
counterclockwise even slightly, “MID 0 dB” change to “MID
–8 dB”
y “MID +8 dB” appears on the LCD module.
5.  Press  the  [EQ  BAND/MEMORY]  button  repeatedly  until  a
message “HIGH +2 dB” appears on the LCD module.
6.  When  the  [OPERATION  DIAL]  ring  is  turned  clockwise  or
counterclockwise  even  slightly,  “HIGH  +2  dB”  change  to
“HIGH –8 dB”
y “HIGH +8 dB” appears on the LCD mod-
ule.
•  Check of DBFB ON/OFF Select
1.  Press  the  [OPTIONS]  button  repeatedly  until  a  message
“DBFB OFF” or “DBFB ON” appears on the LCD module.
•  To release from AMP Test Mode
1.  To release from this mode, press the [
?/1
] button.
HCD-GZR888D/GZR999D
22
[TCM  OFF  LINE  MODE]
(Except E2, E51, AR, MX Model)
•  This mode prevents the system from tuning off automatically
when TCM is not connected. Therefore, measurements can be
done even when TCM is not connected during production.
Procedure:
1.  Press  the  [
?/1
]  button  to  turn  off  the  system  and  enter  the
clock display or demonstration mode.
2.  Press the [REC TO TAPE] button, [DISC 3] button and [
?/1
]
button simultaneously. The system will turn on automatically.
3.  The  message  “TAPE  MECHA  OFF  LINE”  appears  on  the
LCD module.
•  To release from TCM OFF LINE Mode
1.  To release from this mode, press the [
?/1
] button.
[PANEL  TEST  MODE]
•  This mode is used to check the LCD module, LEDs, button,
MASTER  VOLUME  dial,  OPERATION  DIAL  ring,  system
software version, DVD lib version, model name and destina-
tion.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [
x
] button, [DISC 3] button and [USB] button simul-
taneously.
3.  Power  illuminator  LEDs  and  segment  in  LCD  module  are
lighted up.
4.  When you want to enter to the system software version display
model, press the [DISC 1] button. The system software version
appears on the LCD module.
Press the [DISC 1] button again, the DVD lib version appears
on the LCD module.
5.  Press the [DISC 2] button the mode name and destination on
the LCD module.
6.  Press  the  [DISC  3]  button  the  key  encode  test  mode  is  acti-
vated.
7.  In the key encode test mode, the LCD module displays “KEY
0 0 0 0 0”.
Each time a button pressed, change the each numbers.
•  To release from Panal Test Mode
1.  To release from this mode, press the [
x
] button, [DISC 3] but-
ton and [USB] button simultaneously.
[DVD  SHIP  MODE (WITHOUT  MEMORY  CLEAR)]
•  This mode moves the optical pick-up to the position durable
to vibration. Use this mode when returning the set to the cus-
tomer after repair.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button, to set the “NO DISC” mode.
3.  Press the [
N
] button and [
?/1
] button simultaneously.
The system will turn off automatically.
4.  After  the  “STANDBY”  blinking  display  finishes,  a  message
“LOCK” appears on the LCD module and the DVD ship mode
is set.
•  To release from DVD Ship Mode
1.  To release from this mode, press the [
?/1
] button.
[DVD  SHIP  MODE (WITH  MEMORY  CLEAR)]
•  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 after the power supply is turned
off. Use this mode when returning the set to the customer after
repair.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button, to set the “NO DISC” mode.
3.  Press the [TUNING –] button, [DISC 3] button and [
?/1
] but-
ton simultaneously.
4.  After  the  “STANDBY”  blinking  display  finishes,  a  message
“COLD RESET” appears on the LCD module and the DVD
ship mode is set.
•  To release from DVD Ship Mode
1.  To release from this mode, press the [
?/1
] button.
[DISC  THEFT  PREVENTION  MODE]
•  This mode let you lock the disc tray. When this mode is acti-
vated, the disc tray will not open.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button.
3.  Press the [
x
] button and [OPEN/CLOSE
Z
] button simulta-
neously and hold down until “LOCKED” or “UNLOCKED”
appears on the LCD module (around 5 seconds).
•  To release from Disc Theft Prevention Mode
1.  This mode will not be deselected only by turning the power
off. To exit from the mode, perform the above item 3 again.
[DVD  COLOR  SYSTEM  MODE]
•  This mode let you change the color system of the video output
from PAL to NTSC or vice-versa.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button.
3.  Press the [
?/1
] button to turn off the system.
4.  Press the [DISPLAY] button to switch the mode the clock dis-
play or demonstration mode.
5.  Press the [
X
] button and [
?/1
] button simultaneously.
The system will turn on automatically.
6.  The message “COLOR PAL” or “COLOR NTSC” appears on
the LCD module.
•  To release from DVD Color System Mode
1.  Once  the  color  system  has  been  selected,  the  mode  is  fixed
there after. If you wish to change the mode again, perform the
above item 4 again.
[DVD  FIRMWARE  VERSION  MODE]
•  This mode is used to display the DVD firmware version.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button.
3  Press  the  [
?/1
]  button  to  turn  off  the  system  and  enter  the
clock display or demonstration mode.
4.  Press the [
x
] button and [
?/1
] button simultaneously.
5.  The version of DVD firmware appears on the on-screen dis-
play on TV.
HCD-GZR888D/GZR999D
23
•  To release from DVD Firmware Version Mode
1.  To release from this mode, press the [
?/1
] button.
[MTK  REBOOT  AVOIDANCE  MODE]
•  This mode is used to display the MTK Reboot Avoidance.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button.
3.  Press the [DVD] button, [OPEN/CLOSE
Z
] button and [TUN-
ING +] button simultaneously.
4.  The message “MTK DBG” appears on the LCD module.
•  To release from MTK Reboot Avoidance Mode
1.  To release from this mode, press the [
?/1
] button.
[AM  TUNER  STEP  CHANGE]
•  The  step  interval  of AM  channels  can  be  toggled  between  9
kHz and 10 kHz.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press  the  [TUNER/BAND]  button  repeatedly  to  select  the
“AM”.
3.  Press the [
?/1
] button to turn off the system.
4.  Press  the  [TUNING  +]  button  and  [
?/1
]  button  simultane-
ously. The system will turn on automatically.
5.  The message “AM 9K STEP” or “AM 10K STEP” appears on
the LCD module and thus the channel step change.
[VIDEO/SAT  FUNCTION  CHANGE]
•  This mode let you change from VIDEO to SAT and vice-versa.
Procedure:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [VIDEO/SAT] button.
3.  Press the [VIDEO/SAT] button and [
x
] button simultaneously.
The function will change to SAT.
4.  Press the same button again to change from SAT to VIDEO.
[DVD  SERVICE  MODE]
•  This  mode  let  you  make  diagnosis  and  adjustment  easily  by
using the remote commander and the TV. The instructions, di-
agnostic results, etc. are given on the on-screen display.
•  TEST DISC LIST
Be sure to use the DVD disc that matches the signal standards
of your region.
•  CD
 
 YEDS-18  (Part No.: 3-702-101-01)
 
 PATD-012  (Part No.: 4-225-203-01)
•  DVD SL (Single Layer)
 
NTSC : HLX-503  (Part No.: J-6090-069-A)
 
 HLX-504  (Part No.: J-6090-088-A)
 
PAL  : HLX-506  (Part No.: J-6090-077-A)
• DVD DL (Double Layer)
 
NTSC : HLX-501  (Part No.: J-6090-071-A)
 
 HLX-505  (Part No.: J-6090-089-A)
 
PAL  : HLX-507  (Part No.: J-6090-078-A)
•  Procedure to enter to DVD Service Mode:
1.  Press the [
?/1
] button to turn on the system.
2.  Press the [DVD] button.
3.  Press the [
x
] button and [OPEN/CLOSE
Z
] button simultane-
ously and then turn the [MASTER VOLUME] dial clockwise.
4.  The message “SERVICE IN” appears on the LCD module and
the Top Menu of Remocon Diagnosis Menu appears on the on-
screen display on the TV. The model name, main unit’s micom
version information (IF-con) and DVD firmware version infor-
mation (Syscon) are displayed at the bottom of the on-screen
display.
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
Syscon
: SVX5DS_ME
: Ver.  01.00 (0000)
: Ver.  1.200
5.  To execute each function, press its number by using numeric
button on the remote commander.
6.  To release from this mode, press the [
?/1
] button to turn off
the system.
•  Execute IOP Measurement
In order to execute IOP measurement, the following standard
procedures must be followed.
1.  From the Top Menu of Remocon Diagnosis Menu, select “2.
Drive  Manual  Operation”  by  pressing  the  [2]  button  on  the
remote commander. The following screen appears on the on-
screen display.
Drive Manual Operation
1. Servo Control
2. Track/Layer  Jump
3. Manual Adjustment
4. Mecha test mode
5. MIRR time Adjust
0. Return to Top Menu
2.  Select “3. Manual Adjustment” by pressing the [3] button on
the remote commander. The following screen appears on the
on-screen display.
Manual Adjust
1.  Track Balance Adjust:
2.  Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eg Boost Adjust:
6.  Iop:
7.  TRV. Level:
8. S curve (FE) Level:
9. RFL (PI) Level:
0. MIRR Time:
O
 
o Change Value
RETURN  Return to previous  menu
HCD-GZR888D/GZR999D
24
3.  Select “6. Iop:” by pressing the [6] button on the remote com-
mander.
4.  Wait until a hexadecimal number appears in the on-screen dis-
play as below:
Manual Adjust
1.  Track Balance Adjust:
2.  Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eg Boost Adjust:
6.  Iop.  ED
7.  TRV. Level:
8. S curve (FE) Level:
9. RFL (PI) Level:
0. MIRR Time:
O
 
o Change Value
RETURN  Return to previous  menu
5.  Convert data from hexadecimal to decimal by using conver-
sion table.
6.  Please find the label on the rear of the BU (Base Unit).
The default IOP value is written in the label.
7.  Subtract between these two values.
8.  If the remainder is smaller than 93 (decimal), then it is OK.
However if the value is higher than 93, then the BU is defec-
tive and need to be change.
9.  Press the [RETURN] button on the remote commander to re-
turn to previous menu.
10. Press the [0] button on the remote commander to return to the
Top Menu of Remocon Diagnosis Menu.
11.  Press the [
?/1
] button to turn off the system.
•  Check 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” by pressing the [3] button on the remote
commander.  The  following  screen  appears  on  the  on-screen
display.
Emg. History Check
1.  01  05  04  04
Laser Hours
CD
999h
59min
DVD
999h
59min
00  92  46  00
00  00  00  00
00  00  23  45
2.  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
2.  You can check the total time when the laser is turned on during
playback of DVD and CD from the above menu. The maxi-
mum 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 the [
.
] button or [
>
] button
on the remote commander. The error code consists of
•  Error Code
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
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
51: Spindle stop error
52: Open kick spindle error
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
•  Parameter of error code
This is the detail of error code.
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
•  Time of error code
This is the laser time when an error occurred.
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
To clear the Laser Hours
Press the [  DISPLAY] button and then press the [CLEAR] but-
ton. The data for both CD and DVD data are reset.
Emg. History Check
1.  01  05  04  04
Laser Hours
CD
0h
0min
DVD
0h
0min
00  92  46  00
00  00  00  00
00  00  23  45
2.  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
Page of 108
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