DOWNLOAD Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM Service Manual ↓ Size: 12.85 MB | Pages: 117 in PDF or view online for FREE

21

COLD RESET
The cold reset clears data except DVD data stored in the RAM to
initial conditions.  Execute this mode when returning the set to the
customers.
Procedure:

1. Press the 

?/1

 button to turn the power on.

2. Press two buttons of 

?/1

 

, [DISPLAY]and touch the 

x

 sensor

simultaneously.

3. The message “COLD RESET” is displayed on the fluorescent

indicator tube, then become standby mode.

PANEL TEST  MODE
This mode is used to check the fluorescent indicator tube, LED,
model, destination, software version and key.
Procedure:

1. Press two buttons of [DIMMER] ,  [DIRECTION] and touch the

x

 sensor simultaneously.

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

up.

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

touch the 

.

–

 sensor.  The model name is displayed.

4. Each time 

.

–

 sensor is touched, the display changes from

destination, MC version, SYS version, UI version, DVD
version, ST version, TA version, TM version, TC version in
this order, and returns to the model name display.

5. When 

> 

+

 sensor is touched while the version numbers are

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

> 

+

 sensor is touched

again, the display returns to the software version display.  When

.

–

 sensor is touched 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 the [DSGX] button, the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays

“K 0”.  Each time a button is pressed, “K 0” value increases.
However, once a button has been pressed, it is no longer taken
into account.

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

manner as step 1 or disconnect the power cord.

MEMORY CLEAR MODE
This mode moves clears main microprocessor 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. Touch the [DVD] sensor to select the “DVD”.
3.  Press the [EQ SELECT] button and touch two sensors of [DVD],

x

 simultaneously.

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

“MECH A LOCK” is displayed on the fluorescent indicator
tube.

DISC SLOT LOCK
This mode let you lock the disc slot.  When this mode is activated,
the disc will not eject when 

Z

  button is pressed.  The message

“LOCKED” will be displayed in on the fluorescent indicator tube.
Procedure:

1. Press the 

?/1

 button to turn the power on.

2. Touch the [DVD] sensor to select the “DVD”.

3. Touch the 

x

 sensor and press the 

Z

 button simultaneously

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

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 the power on.

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

?/1

 button to turn the power off.

4. Touch the 

.

–

 sensor and press 

?/1

 button simultaneously.

The set power on automatically.  The message “AM 9k Step”
or AM10k Step” displayed on the fluorescent indicator tube
and thus the channel step is changed.

FUNCTION NAME CHANGE
This mode let you change from VIDEO to SAT and vice-versa.
Procedure:

1. Press the 

?/1

 button to turn the power on.

2. Touch the [VIDEO/SAT]  sensor and press 

?/1

  button

simultaneously. The set power on automatically and the
function will changed to SAT.  Do the same procedures again
to change from SAT to VIDEO.

COLOR SYSTEM CHANGE
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 the power on.

2. Touch the [DVD] sensor to select the “DVD”.
3. Press the 

?/1

 button to turn the power off.

4. Touch the 

X

 sensor and press 

?/1

 button simultaneously.

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

displayed on the fluorescent indicator tube.

22

Use the following test disc on test mode.
YEDS-18 (CD)

: PART No. 3-702-101-01

PATD-012 (CD)

: PART No. 4-225-203-01

HLX-503 (DVD-SL) (NTSC) : PART No. J-6090-069-A
HLX-504 (DVD-SL) (NTSC) : PART No. J-6090-088-A
HLX-506 (DVD-SL) (PAL)

: PART No. J-6090-077-A

HLX-501 (DVD-DL) (NTSC) : PART No. J-6090-071-A
HLX-505 (DVD-DL) (NTSC) : PART No. J-6090-089-A
HLX-507 (DVD-DL) (PAL)

: PART No. J-6090-078-A

Do not use existing test disc for DVD.

The Mirror Time and TOP measurement allows you to make
diagnosis and adjustment simply by using the remote commander
and monitor TV.  The instructions, diagnosis results, etc. are given
on the on-screen display (OSD).

1. Press the 

?/1

 button to turn the power on.

2. Touch the [DVD] sensor to select the “DVD”.
3. Press the 

Z

 button and touch two sensors of  

x

 , [VOLUME

+]  simultaneously.

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

fluorescent indicator tube and the Rimocon Diagnosis Menu
is displayed on the on-screen display on the monitor TV as
follows.  The model name, IF-con version and Syscon version
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

4. Version Information

5. Video Level Adjustment

Model Name

:AZXDM_XX

IF-con

:Ver.xx.xx (xxxx)

Syscon

:Ver.x.xxx

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

button on the remote commander (RM-AMU001)

6. To release from this mode, press the 

?/1

 button to turn the

power off.

The Drive Manual Operation menu consists of five main functions.
On the Remocon Diagnosis Menu screen, press [2] button on the
remote commander, and the following Drive Manual Operation
menu will be displayed.

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

On the Drive Manual Operation menu screen, press [5] button on
the remote commander, and the following MIRR time Adjust Menu
will be displayed.

MIRR time Adjust Menu

1. CD MIRR time Check:

2. DVD MIRR time Check:

3. Threshold:

4. Save to EEPROM

5. Default set MIRR time

[Open] Tray open [Close] tray close

[0] Return to previous menu

There are five main commands in the Mirr time Adjust menu.  The
functions of each command are described in the following page.

1. CD MIRR time Check
This command checks the Mirror time value for CD disc.

2. DVD MIRR time Check
This command checks the Mirror time value for DVD disc.

3. Threshold
This command displays the threshold value between CD and DVD
mirror time.

4. Save to EEPROM
This command saves an adjusted mirror time value to the EEPROM.

5. Default set MIRR time
This command will set CD and DVD mirror time to firm ware default
value.

[Open]/[Close]

Pressing the 

Z

 button controls the tray for disc change during mirror

time adjustment.
[0] Return to previous menu.
Press the [0] button on the remote commander to return to previous
menu.

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

1. Set to the MIRR time Adjust Menu mode.
2. Press the [5] button on the remote commander to select the “5

Default set MIRR time”.

3. Press the [3] button on the remote commander to select the “3

Threshold”.

4. Check the value of Threshold on the screen.  If it is 75, go to

next step.  If it is not so, return to step 2.

23

MIRR time Adjust Menu

1. CD MIRR time Check:

2. DVD MIRR time Check:

3. Threshold: 75

4. Save to EEPROM

5. Default set MIRR time

[Open] Tray open [Close] Tray close

[0] Return to previous menu

5. Insert the DVD test disc.
6. Press the [2] button on the remote commander to select the “2

DVD MIRR time Check”.

7. Wait for hexadecimal value to display on the screen.
8. Check the value (##) of DVD MIRR time on the screen.  If ##

is 28 to 70, go to next step.  If it is not so, return to step 5.

   MIRR time Adjust Menu

1. CD MIRR time Check:

2. DVD MIRR time Check: $$ ##

3. Threshold:

4. Save to EEPROM

5. Default set MIRR time

[Open] Tray open [Close] Tray close

[0] Return to previous menu

9. Press the [4] button on the remote commander to select the “4.

Save to EEPROM”.

10. Check that 

$$

 is the same as the value of ## on the screen.  If

it is not so, return to step 5.

11. Take out the DVD test disc and insert the CD test disc.
12. Press the [1] button on the remote commander to select the

“1.CD MIRR time Check”.

13. Wait for hexadecimal value to display on the screen.
14. Check the value (

@@

) of CD MIRR time on the screen.  If 

@@

is 5A to E8, go to next step.  If it is not so, return to step 11.

MIRR time Adjust Menu

1. CD MIRR time Check: && @@

2. DVD MIRR time Check: $$ ##

3. Threshold:

4. Save to EEPROM

5. Default set MIRR time

[Open] Tray open  [Close] Tray close

[0] Return to previous menu

15. Press the [4] button on the remote commander to select the “4.

Save to EEPROM”.

16. Check that 

&&

 is the same as the value of 

@@

 on the screen.  If

it is not so, return to step 11.

17. Take out the CD test disc (YEDS-18)
18. Release the MIRR time Adjust Menu mode.

In order to execute IOP measurement, the following standard
procedures must be followed.

1. Set to the Drive Manual Operation mode.
2. Press the [3]  button on the remote commander, and the

following Manual Adjust menu will be displayed.

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:

↑ ↓

 Change Value

[RETURN] Return to previous menu

3. Press the [6] button on the remote commander to select the

“6. IOP”.

4. Wait for hexadecimal Value to display on the screen.

Manual Adjust

1. Track Balance Adjust:

2. Track Gain Adjust:

3. Focus Balance Adjust:

4. Focus Gain Adjust:

5. Eq Boost Adjust:

6. Iop: ED

7. TRV. Level:

8. S curve(FE) Level:

9. RFL(PI) Level:

0. MIRR Time:

↑ ↓

 Change Value

[RETURN] Return to previous menu

5. Convert value (ED) from hexadecimal to decimal using

conversion table.

6. If the remainder  is smaller than 93 (decimal), then it is OK.

However if the value is higher than 93, then the BU (base
unit) is defective and need to be change.

7. Release the Manual Adjust menu mode.

This mode clears DVD data stored in the DVD RAM to initial
conditions.

1. On the Rimocon Diagnosis Menu screen, press [4] button on

the remote commander to select the “4.Version Information”.

2. Press in order of [MENU] button and [CLEAR] button on the

remote commander.

3. Press in order of [MENU] button and [CLEAR] button on the

remote commander to clear DVD data.

4. The message “Initialize all data” will be displayed on the

screen.

5. The message will change into “Initialize all data Complete”

in about six seconds, and the clearness of the DVD data is
completed.

24

1. Clean the following parts with a denatured-alcohol-moistened

swab :

record/playback head

pinch roller

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, appiy suitable locking compound to

the parts adjusted.

5. The adjustments should be performed with the rated power

supply voltage unless otherwise noted.

•

Mode

Torque Meter

Meter Reading

3.06 N

⋅

m to 6.96 N

⋅

m

FWD

CQ-102C

31 to 71 g

⋅

cm

(0.43 – 0.98 oz

⋅

inch)

FWD

0.19 N

⋅

m to 0.58 N

⋅

m

Back Tension

CQ-102C

2 to 6 g

⋅

cm

(0.02 – 0.08 oz

⋅

inch)

3.06 N

⋅

m to 6.96 N

⋅

m

REV

CQ-102RC

31 to 71 g

⋅

cm

(0.43 – 0.98 oz

⋅

inch)

REV

0.19 N

⋅

m to 0.58 N

⋅

m

Back Tension

CQ-102RC

2 to 6 g

⋅

cm

(0.02 – 0.08 oz

⋅

inch)

6.96 N

⋅

m to14.02 N

⋅

m

FF/REW

CQ-201B

71 to 143 g

⋅

cm

(0.98 – 1.99 oz

⋅

inch)

9.80 N

⋅

m

FWD Tension

CQ-403A

100 g or more

(3.53 oz or more)

9.80 N

⋅

m

REV Tension

CQ-403R

100 g or more

(3.53 oz or more)

0 dB=0.775 V

1. Mode:  Playback

2. Turn the adjustment screw and check output peaks. If the peaks

do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.

1. Demagnetize the record/playback head with a head

demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the

parts adjust.

Perform this adjustments for both decks.

Tape

Signal

Used for

P-4-A063

6.3 kHz, -10 dB

Azimuth Adjustment