DOWNLOAD Sony HCD-GNV111D / HCD-GNV99D / MHC-GNV111D / MHC-GNV99D Service Manual ↓ Size: 9.95 MB | Pages: 100 in PDF or view online for FREE

21

2

Remove the two solderings of motor.

4

MOTOR (LD) board

1

belt (loading)

5

loading motor assy (M751)

3

two screws

     (+BTTP (M2.6))

22

Procedure:
• To enter MC Test Mode
1. Press 

x

  button, 

[ENTER]

  button and 

[DISC3]

  button

simultaneously.

2. The DVD ring indicators and TAPE A and B indicators flash on

the fluorescent indicator tube. The function is changed to TV.

* Check of Amplifier
1. Press  [EQ BAND] button repeatedly until a message “GEQ MAX”

appears on the fluorescent indicator tube. GEQ increases to its
maximum.

2. Press  [EQ BAND] button repeatedly until a message “GEQ MIN”

appears on the fluorescent indicator tube. GEQ increases to its
minimum.

3. Press  [EQ BAND] button repeatedly until a message “GEQ FLAT”

appears on the fluorescent indicator tube. GEQ set to flat.

4. When the [VOLUME]  knob is turned clockwise even slightly,

the sound volume increases to its maximum and a message
“VOLUME MAX” appears on the fluorescent indicator tube.

5. When the [VOLUME]  knob is turned counter-clockwise even

slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears on the fluorescent indicator
tube.

* Tape function
1. When a tape is inserted in Deck B and recording is started, the

function is changed to TV automatically. When [CD SYNC]
button is pressed during recording in function, ALC (Automatic
Logic Control) is turned on.

2. During recording, turn 

m M

 knob counterclockwise will

stop the recording and the function is changed to TAPE B and
rewind the tape in Deck B until the recording start position and
playback of the tape B is started. If the [REC PAUSE/ START]
button is pressed for a pause and pressed again to resume
recording during recording time, when the tape is rewind, the
tape will be rewind until the position where the pause is applied.

* To release from MC Test mode
1. To release from this mode, press 

?/1

 button.

2. The cold reset is enforced at the same time.

• The cold reset clears all data including preset data stored in the

RAM to initial conditions.

1. Press 

x

  button,  [ENTER]  button, and 

?/1

  button

simultaneously.

2. “COLD RESET” appears in the fluorescent indicator tube. Then,

the fluorescent indicator tube becomes blank for while, and the
set is reset.

• This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

1. Press 

?/1

 button to turn the set ON.

2. Press 

x

 button and 

[ILLUMINATION]

 button simultaneously

The message “VACS OFF” or “VACS ON” appears on the
fluorescent indicator tube.

• This mode is used to check the fluorescent indicator tube, LEDs,

keys, VOLUME jog, OPERATION DIAL jog, AMS jog, X-
ROUD jog (for GNV111D only) model, destination, software
version and VACS level.

1. Press 

x

  button, 

[ENTER]

  button and 

[DISC2]

  button

simultaneously.

2. All LEDs and segments in fluorescent indicator tube are lighted up.

All LEDs are lighted up in red color, if the system is turned on,
the POWER LED is lighted up in green color.

3. When you want to enter the software version display mode,

press 

[DISC1]

 button. The model and destination are displayed.

4. Each time 

[DISC1]

 button is pressed, the display changes from

MC version, GC version, SYS version, DVD version, ST
version, TC version, TA version, TM version in this order, and
returns to the MC version display.

5. When 

[DISC3]

 button is pressed while the version numbers are

being displayed except model and destination, the date of the
software creation appear. When 

[DISC3]

 button is pressed again,

the display returns to the software version display. When

[DISC1]

 button is pressed while the date of the software creation

is being displayed, the date of the software creation is displayed
in the same order of software version display.

6. Press 

[DISC2]

 button, the key check mode is activated.

7. In the key check mode, the fluorescent indicator tube displays

“K0 J0 V0 E0 X0”.
Each time a button is pressed, “K” value increases. However,
once a button has been pressed, it is no longer taken into account.
“J” value increases in the manner of 0,1, 2, 3 ... if 

[OPERATION

DIAL]

  knob is turned clockwise, or it decreases in the manner

of 0, 9, 8,7 ... if 

[OPERATION DIAL]

 knob is turned counter-

clockwise.
“V” value increases in the manner of 0,  1, 2, 3 ... if 

[VOLUME]

knob is turned clockwise, or it decreases in the manner of 0, 9,
8,7 ... if 

[VOLUME]

 knob is turned counter-clockwise.

“E” value increases in the manner of 0, 1, 2, 3 ... if 

.>

knob is turned clockwise, or it decreases in the manner of 0, 9,
8,7  ... if 

.>

 knob is turned counter-clockwise.

“X” value increases in the manner of 0, 1, 2, 3 ... if 

[X-ROUND

JOG]

 knob is turned clockwise or it decreases in the manner of

0, 9, 8, 7 ... if 

[X-ROUND JOG]

 knob is turned counterclockwise.

(For GNV111D only)

8. When 

[DISC3]

 button is pressed after all LEDs and segments

in fluorescent indicator tube light up, the fluorescent indicator
tube displays “VACS A+B APCC”. A is VACS level which is
trigger by signal level, B is VACS level which is trigger by
temperature and CC is VACS level which is trigger by APVACS
(Abuse Protection VACS).
The signal level, which will trigger VACS A is shown in the
center area of the fluorescent indicator tube.

9. When 

[EX-CHANGE/DISC SKIP]

  button is pressed after all

LEDs and segments in fluorescent indicator tube light up,
alternate segments in fluorescent indicator tube would light up.
If you press 

[EX-CHANGE/DISC SKIP]

 button again, another

half of alternate segments in fluorescent indicator tube would
light up.  Pressing 

[EX-CHANGE/DISC SKIP]

  button again

would cause all segments lights up.

10. To  release from this mode, press three buttons in the same

manner as step 1, or disconnect the power cord.

• This mode is used to check operations of the respective sections

of Amplifier, Tuner, and Tape.

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• The step interval of AM channels can be toggled between 9 kHz

and 10 kHz.

1. Press 

?/1

 button to turn the set ON.

2. Press [TUNER/BAND] button to select the “AM”.
3. Press 

?/1

 button to turn the set OFF.

4. Press [ENTER] button and 

?/1

 button simultaneously. The set

will power ON automatically. The message “AM 9k STEP” or
“AM 10k STEP” appears on the fluorescent indicator tube and
thus the channel step is changed.

• 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 

?/1

 button to turn the set ON.

2. Select DVD function.
3. Press 

x

 button, [DVD] button and 

?/1

 button

simultaneously. The set will power off automatically.

4. After the “STANDBY” blinking display finish, a message

“MECHALOCK” is displayed on the fluorescent indicator tube
and the DVD ship mode is set.

• This mode moves the optical pick-up to the position durable to

vibration.

1. Press 

?/1

 button to turn the set ON.

2. Select DVD function.
3. Press  [DVD]  button and 

?/1

  button simultaneously. The set

will power off automatically.

4. After the “STANDBY” blinking display finish, a message

“MECHALOCK” is displayed on the fluorescent indicator tube
and the DVD ship mode is set.

• This mode let you lock the disc tray. When this mode is

activated, the disc tray will not open when [OPEN/CLOSE]
button or [EX-CHANGE/DISC SKIP] button is pressed. The
message “LOCKED” will be displayed in on the fluorescent
indicator tube.

Procedure:
1. Press 

?/1

 button to turn the set ON.

2. Select DVD function.
3. Press 

x

 button and [OPEN/CLOSE] button simultaneously

and hold down until “LOCKED” or “UNLOCKED” displayed
on the fluorescent indicator tube (around 5 seconds).

• This mode let you switch from VIDEO to SAT and vice-versa.

1. Press 

?/1

 button to turn the set ON.

2. Select TV/SAT function.
3. Press  [TV/SAT]  button and 

?/1

  button simultaneously.  The

function will change to SAT. Press the same buttons again to
change from SAT to VIDEO.

• This mode let you change the color system of the video output

from PAL to NTSC or vice-versa.

1. Press 

?/1

 button to turn the set ON.

2. Select DVD function.
3. Press 

?/1

 button to turn the set OFF.

4. Press [PAUSE] button and 

?/1

 button simultaneously. The set

will power on automatically.

5. The message “COLOR PAL” or “COLOR NTSC” will be

displayed on the fluorescent indicator tube.

• This mode let you disable the remote commander reception. When

this mode is activated, the set will not response if the button on
the remote commander is pressed. The message “RemoteDisable”
will be displayed on the fluorescent indicator tube. Use this mode
during aging to avoid disturbance.

1. Press 

x

  button,  [GROOVE]  button and [DISC 2]  button

simultaneously, “RemoteDisable” displayed on the fluorescent
indicator tube. To enable the remote commander reception, press
the same buttons again.
“RemoteEnable” displayed on the fluorescent indicator tube.

24

• This mode let you make diagnosis and adjustment easily by us-

ing the remote commander and TV. The instructions, diagnostic
results, etc. are given on the on-screen display (OSD).

1. Press 

?/1

 button to turn the set ON.

2. Select DVD function.
3. Press 

x

 button and [OPEN/CLOSE] button simultaneously

and then turn the [VOLUME] knob clockwise.

4. The message “SERVICE IN” will be displayed on the

fluorescent indicator tube and the Test Mode Menu is displayed
on the on-screen display on the TV. The model name and revision
number is 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 Check
4. Version information
5. Video Level Adjustment

Model

: GNV99D_E

IF-con Ver : 00.10(0000)
Syscon Ver : 0.165

5. To execute each function, press its number by using numeric

button on the remote commander.

6. To release from this mode, press 

?/1

  button to turn the set

OFF.

In order to execute mirror time adjustment, the following standard
procedures must be followed.

1. In standby mode, press 

x

 button and [OPEN/CLOSE] button

simultaneously and the turn the [VOLUME] knob clockwise.

Remocon Diagnosis Menu

0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History Check
4. Version information
5. Video Level Adjustment

Model

: GNV99D_E

IF-con Ver : 00.10(0000)
Syscon Ver : 0.165

2. Select “2. Drive Manual Operation” by pressing the [2] button

on the remote commander. The screen will appear as below.

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

3. Select “3. Manual Adjustment” by pressing the [3] button on

the remote commander. The screen will appear 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:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:

? ? Change Value
[RETURN] Return to previous menu

4. Select Iop by pressing  [6] button on the remote commander.