DOWNLOAD Sony HCD-SB500W Service Manual ↓ Size: 9.16 MB | Pages: 110 in PDF or view online for FREE

13

3

wire (flat type) 

     (24 core) (CN001)

2

flexible board

    (CN003)

5

step screw (M)

5

step screw (M)

5

step screw (M)

8

optical traverse unit 
(DBU-1)

1

claw

6

holder (DBU1)

7

insulator

7

insulator

7

insulator

4

RF board

1

belt

2

four claws

3

MS-128 board

4

Remove two solders.

5

DC motor 
(loading)
(M001)

14

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 three buttons of the

>

,  

X 

, and  

A

  simultaneously.

2. The message “ColdRESET” is displayed on the fluorescent

indicator tube, and the set is reset, then becomes standby mode.

This mode is used to check the model and software version.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press three buttons of the [VOL +],  

VOL –

and  

A

  simultaneously for

five seconds. The software version and destination is displayed.

This mode is used to check the fluorescent indicator tube and FL
back light LED.
Procedure:

1. Press three buttons of  the  

VOL – 

 ,  

.

  and  

A

  simultaneously.

2. All segments of fluorescent indicator tube and FL back light

LED are turned ON.

3. To release from this mode, press the

I

/1

button.

This mode is used to auto tuning.
Procedure:

1. Press two buttons of the

.

and  

>

  simultaneously for

three seconds.

2. The message “AUTO 87.50” is displayed on the fluorescent

indicator tube. Then display repeats from automatic “AUTO
87.50” to “AUTO 108.00”.

3. To release from this mode, press the any buttons except the

VOLUME +/– 

 buttons.

This mode is used to check the function of the amplifier.
Procedure:

1. Press three buttons of the 

  VOL –

  , 

  .

  and  [FUNCTION]

simultaneously.

2. Each time the [AUTO FORMAT] or [MODE] key on the remote

commander is pressed, output change as following order.

3. Each time the [DSGX] key on the remote commander is pressed,

DSGX on/off are changed over.

4. Each time the [NIGHT MODE] key on the remote commander

is pressed, NIGHT MODE on/off are changed over.

5. Each time the  

VOLUME +/–

  key on the remote commander is

pressed, the message “VOLUME MIN”, “VOLUME 21” or
“VOLUME MAX” is displayed in this order on the fluorescent
indicator tube.

6. To release from this mode, press the

I

/1

button.

This mode is used to check the front panel keys.
Procedure:

1. Press three buttons of the 

VOL –

  ,  [VOL +]  and  [FUNCTION]

simultaneously.

2. the fluorescent indicator tube displays “KEY XX”. Each time

a button is pressed, “KEY” value increases.

However, once a button is pressed, it is no longer taken into

account.

3. To release from this mode, perform same manner as step 1.

This mode is used to unable to take sample disc out of set in the
shop.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press two buttons of the  

x

  and

A

simultaneously for five

seconds.

4. The message “LOCKED” is displayed on the fluorescent

indicator tube and the disc tray is locked. (Even if pressing
the

A

button, the message “LOCKED” is displayed on the

liquid crystal display and the disc tray is locked)

5. To release from this mode, press two buttons of the 

 x  

and

the

A

simultaneously for five seconds again.

6. The message “UNLOCKED” is displayed on the liquid crystal

display and the disc tray is unlocked.

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.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press three buttons the  

>

  ,   

.

   and  

A

simultaneously.

4. The message “MECHA LOCK” is displayed on the liquid

crystal display and the ship mode is set, then becomes power
off.

The number of repeat for DVD playback is 5 times when the repeat
mode is “REPEAT”. This mode enables DVD to repeat playback
for limitless times.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press three buttons of the

>

, [VOL +] and  

A

  simultaneously.

4. Repeat 5 times limit is canceled.

A step of AM channels can be changed over between 9 kHz and 10
kHz.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “AM”.
3. Press the

I

/1

button to turn the power off.

4. Press two buttons of the 

 VOL –

  and

I

/1

simultaneously.

5. AM step 9 kHz and 10 kHz are changed over.

Display

Function

SWAP F2S

FRONT L-ch/R-ch input is outputted also
to SURROUND L-ch/R-ch speakers.

SWAP F2CW

L-ch input is outputted to CENTER speaker,
and R-ch input is outputted to WOOFER
speaker.

SWAP Full

L-ch/R-ch input is outputted all speakers.

EQ MAX

6dB of levels of the bus and treble is upped.

EQ MIN

6dB of levels of the bus and treble is downed.

SRAH CHECK

Not used

15

This mode is used to unable to reset for performing the debug of
DVD.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press three buttons of the 

  >

,  [VOL +], and [FUNCTION]

simultaneously.

4. DVD debug mode is set.

This mode is used to changed over color system.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press the

I

/1

button to turn the power off.

4. Press two buttons of

X

and

I

/1

simultaneously.

5. The message “COLOR NTSC” or “COLOR PAL” is displayed

on the liquid crystal display, and the color system is changed
over NTSC or PAL.

This mode is used to changed over video output into interlace.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select “DVD”.
3. Press two buttons of

.

and [FUNCTION] simultaneously.

4. Video output is changed over interlace.

This mode is used to display of  VACS (Variable Attenuation Control
System) states.
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press three buttons of the  

x

    ,  [FUNCTION]  and 

X

simultaneously.

3. When VACS is on, “VACS O” is displayed.  When VACS is

off, “VACS OFF” is displayed.

This mode is used to switch on or off the VACS (Variable Attenuation
Control System).
Procedure:

1. Press the

I

/1

button to turn the power on.

2. Press three buttons of the 

>

,  [FUNCTION]  and 

X

simultaneously.

3. VACS on/off are changed over.

This mode is used to performed COLD RESET and SHIP MODE
simultaneously.
Procedure:

1. Press the three buttons of the

x

,  

. 

, and [FUNCTION]

simultaneously.

2. The message “ColdRESET” is displayed on the fluorescent

indicator tube, and the set is reset, then becomes standby mode.

The Test Mode allows you to make diagnosis and adjustment easily
using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).

•

Use the following test disc on test mode.
TDV-520CSO (DVD-SL) : Part No. J-2501-236-A
LUV-P01 (CD)

: Part No. 4-999-032-01

TDV-540C (DVD-DL)

: Part No. J-2501-235-A

Do not use existing test disc for DVD.

1. Press the

I

/1

button to turn the power ON.

2. Press the [FUNCTION] button to select “DVD”.
4. Press three buttons of the

x

  ,  

A

    and  [VOLUME +]

simultaneously.

5. The message “SERVICE IN”  is displayed on the fruorescent

indicator tube, and the Test Mode Menu is displayed on the
monitor screen as follows. (At the bottom of the menu screen,
the model name and revision number are displayed)

           Test Mode Menu

0. Syscon Diagnosis

1. Drive Auto Adjustment

2. Drive Manual Operation

3. Mecha Aging

4. Emergency History

5. Mecha Error History

6. Version Information

7. Video Level Adjustment

                   Exit: POWER Key

Model    :DAV-SB500W

Revision :x.xx

6. To execute each function, select the desired menu and press

its number on the remote commander (RM-SP240).

7. To release from test mode, press the

I

/1

button and turn the

power off.

16

The same contents as board detail check by serial interface can be
checked from the remote commander operation.
On the Test Mode Menu screen, press [0]  key on the remote
commander, and the following Check Menu will be displayed.

     ### Syscon Diagnosis ###

            Check Menu

0. Quit

1. All

2. Version

3. EEPROM

4. GPIO

5. SD Bus

6. Video

7. Audio

Quit the Syscon Diagnosis and return to the Test Mode Menu.

This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is displayed
for the key entry.

     ### Syscon Diagnosis ###

          Diag All Check

           No.2 Version

           2-2. Version

ROM Reversion = X.XX

Press NEXT Key to Continue

Press PREV Key to Repeat

For the ROM check, the check sum calculated by the syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the

>

button to go to the next item,

or press the

.

button to repeat the same operation again.

To quit the diagnosis and return to Check Menu screen, press the
[RETURN] key on the remote commander to display Check Menu.

•

If an error occurred, the diagnosis is suspended and error is displayed.
Press the [RETURN]  key on the remote commander to quit the
diagnosis, or press the

.

button to repeat the same check where

an error occurred, or press the

>

button to continue the check

from the item next to faulty item.

Selecting 2 and subsequent items calls the submenu screen of each
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.

0-2.

Version

0-2-1. All
0-2-2. Version
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region

0-3.

EEPROM Check

0-3-1. Sampling Check
0-3-2. Detail Check

0-4.

GP I/O Check

0-5.

SD Bus Check

0-6.

Video Check

0-7.

Audio Check

The revision number of ROM (IC204) that the program for
the DVD system processor (IC207) is stored.
(4 digits hexadecimal number)

The revision number of ROM (IC204) that the program for
the DVD system processor (IC207) is stored.

Model name is displayed.

Model destination code is displayed. (2 digits number)

EEPROM check at every 64 words.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.

EEPROM check at every 1 word.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.

Pull up/down setting check of the DVD system processor (IC207)
pin 150, 151 and 154 (for clock setting port).

SD bus data check between DVD decoder (IC701) and MPEG
decoder (IC207).

Output the color bars for video level adjustment.

Output the test signal (1kHz sine wave) for 2 CH test.