Sony HCD-GZR77D / MHC-GZR77D Service Manual ▷ View online
HCD-GZR77D
21
[TCM OFFLINE MODE]
• This mode prevents the system from tuning off automatically
• 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.
done even when TCM is not connected during production.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [REC TO TAPE] button, [DISC 3] button and [
?/1
]
button simultaneously. The system will turn on automatically.
3. The message “TCM OFFLINE” appears on the fl uorescent
indicator tube.
• To release from TCM OFFLINE Mode
1. To release from this model, press the [
1. To release from this model, press the [
?/1
] button.
[PANEL TEST MODE]
• This mode is used to check the fl uorescent indicator tube,
• This mode is used to check the fl uorescent indicator tube,
LEDs, button, MASTER VOLUME dial OPERATION DIAL
ring, system software version, DVD lib version, model name
and destination.
ring, system software version, DVD lib version, model name
and destination.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [
x
] button, [DISC 3] button and [DISPLAY] button
simultaneously.
3. Power illuminator LEDs and segment in fl uorescent indicator
tube 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 fl uorescent indicator tube.
software version appears on the fl uorescent indicator tube.
Press the [DISC 1] button again, the DVD lib version appears
on the fl uorescent indicator tube.
on the fl uorescent indicator tube.
5. Press the [DISC 2] button the key encode test mode is
activated.
6. Press the [DISC 3] button the key encode test mode is
activated.
7. In the key encode test mode, the fl uorescent indicator tube
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 [
1. To release from this mode, press the [
x
] button, [DISC 3]
button and [DISPLAY] button simultaneously.
[DVD SHIP MODE (WITHOUT MEMORY CLEAR)]
• This mode moves the optical pick-up to the position durable to
• This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
after repair.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button, to set the “DVD NO DISC” mode.
3. Press the [
3. Press the [
Y
] button and [
?/1
] button simultaneously.
The system will turn off automatically.
4. After the “STANDBY” blinking display fi nishes, a message
“LOCK” appears on the fl uorescent indicator tube and the
DVD ship mode is set.
DVD ship mode is set.
• To release from DVD Ship Mode
1. To release from this model, press the [
1. To release from this model, press the [
?/1
] button.
[DVD SHIP MODE (WITH MEMORY CLEAR)]
• This mode moves the optical pick-up to the position durable
• 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.
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. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button, to set the “DVD NO DISC” mode.
3. Press the [TUNING
3. Press the [TUNING
−] button, [DISC 3] button and [
?/1
]
button simultaneously.
4. After the “STANDBY” blinking display fi nishes, a message
“COLD RESET” appears on the fl uorescent indicator tube
and the DVD ship mode is set.
and the DVD ship mode is set.
• To release from DVD Ship Mode
1. To release from this model, press the [
1. To release from this model, press the [
?/1
] button.
[DISC THEFT PREVENTION MODE]
• This mode let you lock the disc tray. When this mode is
• This mode let you lock the disc tray. When this mode is
activated, the disc tray will not open.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button.
3. Press the [
3. Press the [
x
] button and [OPEN/CLOSE
Z
] button
simultaneously and hold down until “LOCKED” or
“UNLOCKED” appears on the fl uorescent indicator tube
(around 5 seconds).
“UNLOCKED” appears on the fl uorescent indicator tube
(around 5 seconds).
• To release from Disc Theft Prevention Mode
1. This mode will not be deselected only by turning the power
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
• This mode let you change the color system of the video output
from PAL to NTSC or vice-versa.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button.
3. Press the [
3. Press the [
?/1
] button to turn off the system.
4. Press the [DISPLAY] button to switch the mode the clock
display or demonstration mode.
5. Press the [
X
] button and [
?/1
] button simultaneously.
The system will turn off automatically.
6. The message “COLOR PAL” or “COLOR NTSC” appears on
the fl uorescent indicator tube.
• To release from DVD Color System Mode
1. Once the color system has been selected, the mode is fi xed
1. Once the color system has been selected, the mode is fi xed
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 fi rmware version.
• This mode is used to display the DVD fi rmware version.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button.
3. Press the [
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 fi rmware appears on the on-screen
display on TV.
HCD-GZR77D
22
• To release from DVD Firmware Version Mode
1. To release from this mode, press the [
1. To release from this mode, press the [
?/1
] button.
[MTK REBOOT AVOIDANCE MODE]
• This mode is used to display the MTK Reboot Avoidance.
• This mode is used to display the MTK Reboot Avoidance.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button.
3. Press the [DVD] button, [DISPLAY] button and [TUNING +]
button
3. Press the [DVD] button, [DISPLAY] button and [TUNING +]
button
simultaneously.
• To release from MTK Reboot Avoidance Mode
1. To release from this mode, press the [
1. To release from this mode, press the [
?/1
] button.
[AM TUNER STEP CHAGE]
• The step interval of AM channels can be toggled between 9
• The step interval of AM channels can be toggled between 9
kHz and 10 kHz.
Procedure:
1. Press the [
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
simultaneously. The system will turn on automatically.
5. The message “AM 9k STEP” or “AM 10k STEP” appears
on the fl uorescent indicator tube and thus the channel step
change.
change.
[VIDEO/SAT FUNCTION CHANGE]
• This mode let you change from VIDEO to SAT and vice-versa.
• This mode let you change from VIDEO to SAT and vice-versa.
Procedure:
1. Press the [
1. Press the [
?/1
] button to turn on the system.
2. Press the [VIDEO/SAT] button.
3. Press the [VIDEO/SAT] button and [
3. Press the [VIDEO/SAT] button and [
x
] button
simultaneously.
The function will change to SAT. Press the same button again
to change from SAT to VIDEO.
to change from SAT to VIDEO.
[DVD SERVICE MODE]
• This mode let you make diagnosis and adjustment easily by
• This mode let you make diagnosis and adjustment easily by
using the remote commander and the TV. The instructions,
diagnostic results, etc. are given on the on-screen display.
diagnostic 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
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 (Dual 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. Press the [
?/1
] button to turn on the system.
2. Press the [DVD] button.
3. Press the [
3. Press the [
x
] button and [OPEN/CLOSE
Z
] button
simultaneously and then turn the [MASTER VOLUME] dial
clockwise.
clockwise.
4. The message “SERVICE IN” appears on the fl uorescent
indicator tube 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 fi rmware version information (Syscon) are displayed at
the bottom of the on-screen display.
Menu appears on the on-screen display on the TV. The model
name, main unit’s micom version information (IF-con) and
DVD fi rmware version information (Syscon) are displayed at
the bottom of the on-screen display.
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
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.
remote commander. The following screen appears on the on-
screen display.
2. Select “3. Manual Adjustment” by pressing the [3] button on
the remote commander. The following screen appears on the
on-screen display.
on-screen display.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name
IF-con
Syscon
IF-con
Syscon
: STX2D_ME
: Ver. 01.00 (0000)
: Ver. 1.200
: Ver. 01.00 (0000)
: Ver. 1.200
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. Track/Layer Jump
3. Manual Adjustment
4. Mecha test 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. Eg Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve (FE) Level:
9. RFL (PI) Level:
0. MIRR Time:
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-GZR77D
23
3. Select “6. Iop:” by pressing the [6] button on the remote
commander.
4. Wait until a hexadecimal number appears in the on-screen
display as below:
5. Convert data from hexadecimal to decimal by using
conversion table.
6. Please
fi nd 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.
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
defective and need to be change.
defective and need to be change.
9. Press the [RETURN] button on the remote commander to
return 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
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.
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.
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 the [
emergency history, press the [
.
] button or [
>
] button on
the remote commander. The error code consists 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
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.
This is the detail of error code.
• Time of error code
This is the laser time when an error occurred.
This is the laser time when an error occurred.
To clear the Laser Hours
Press the [ DISPLAY] button and then press the [CLEAR]
button. The data for both CD and DVD data are reset.
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:
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
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
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
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
HCD-GZR77D
24
SECTION 4
MECHANICAL ADJUSTMENTS
Precaution
1. Clean the following parts with a denatured alcohol-moistened
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head
demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to
4. After the adjustments, apply suitable locking compound to
the parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement
Mode
Torque meter
Meter reading
FWD
CQ-102C
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
FWD
back tension
back tension
CQ-102C
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
REV
CQ-102RC
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
REV
back tension
back tension
CQ-102RC
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
FF/REW
CQ-201B
6.96 N • m to 14.02 N • m
71 to 143 g • cm
(0.98 – 1.99 oz • inch)
FWD tension
CQ-403A
9.80 N • m
100 g or more
(3.53 oz or more)
REV tension
CQ-403R
9.80 N • m
100 g or more
(3.53 oz or more)
To clear the Emergency History
Press the [DVD TOP MENU] button and then press the
[CLEAR] button.
The error code for all emergency history would be reset.
Press the [DVD TOP MENU] button and then press the
[CLEAR] button.
The error code for all emergency history would be reset.
To clear the Initialize Setup Data
Press the [DVD/TUNER MENU] button and then press the
[CLEAR] button on the remote commander.
Press the [DVD/TUNER MENU] button and then press the
[CLEAR] button on the remote commander.
To return to the Top Menu of Remocon Diagnosis Menu
Press the [0] button on the remote commander.
Press the [0] button on the remote commander.
• Check Version Information
To check the version information, please follow the following
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.
commander. The following screen appears on the on-screen
display.
To return to the Top Menu of Remocon Diagnosis Menu,
press the [0] button on the remote commander.
press the [0] button on the remote commander.
Emg. History Check
1. 00 00 00 00
Laser Hours
CD
999h
59min
DVD
999h
59min
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
Next Next Page
Prev Prev Page
O Return to Top Menu
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
Version information
O Return to Top Menu
Firm (Main) : Ver. xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
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