Thursday, May 26, 2016

Sony HDD AUDIO SYSTEM -Sony NAS-E35HD - SS-CE35HD - Factory reset – Keypad working test – How to test HDD – SMPS Power supply circuit diagram - CXD9841P - MIP2F2 – Audio system repair and service

Category: Audio system Repair and Service 

Contents of this article 

  • Factory reset procedure 
  • How to test the HDD 
  • SMPS power supply circuit 

Sony NAS-E35HD - SS-CE35HD

COLD RESET
The cold reset clears all data including preset data stored in the memory to initial conditions. Execute this mode when returning the set to the customer.
Procedure:
1. In the standby status, press the [POWER] button to turn the power on.
2. Press three buttons of [STOP], [ENTER] and at last [POWER] simultaneously.
3. The set enters standby status.
PANEL TEST MODE
Procedure:
1. In the standby status, press the [POWER] button to turn the power on.
2. Press three buttons of [BACK], [STOP], and [EJECT] simultaneously.
3. When the panel test mode is activated, LEDs and segments of the fulorescent indicator tube are all turned on.
Version Check
Procedure:
1. In the panel test mode (all LEDs and segments of the fulorescent indicator tube are turned on), press the [BACK] button.
2. On the fulorescent indicator tube, model name, destination, MC version and its last updated date are displayed.
3. Each time [BACK] button is pressed, the display changes starting from MC, GC, GENE, GNS, HDD, USB, CD, CDMA,CDMB, ST, TA, TM and CLA version this order, and returns to the MC version display.
4. To release from this mode, press three buttons of [BACK], [STOP], and [EJECT] simultaneously.
Key Test Mode
Procedure:
1. In the panel test mode (all LEDs and segments of the fulorescent indicator tube are turned on), press the [ENTER] button.
2. The message “KEY0 VOL0” displayed. Whenever any buttons are pressed and the [VOLUME] dial is turned, the value is changed.
3. To release from this mode, press three buttons of [BACK], [STOP], and [EJECT] simultaneously.
CD SHIP MODE
This mode can run the CD sled motor optionally. Use this mode, for instance, when cleaning the optical pick-up.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Confirm there is no disc in all trays.
3. Press the [FUNCTION] button to select CD function.
4. Press two buttons of [OPTIONS] and [POWER] simultaneously.
5. Set to the CD ship mode. (chucking on)
6. After blink “STANDBY”, “LOCK” is displayed, disconnect the AC plug.
CD TRAY LOCK
This mode is for the antitheft of CD disc in shop. (not for transport)
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Insert a disc.
4. While pressing the [STOP] button, press the [EJECT] button for more 5 seconds.
5. The message “LOCKED” is displayed and the disc tray is locked. (Even if exiting from this mode, the disc tray is still locked)
6. If press the [STOP] button to eject the disc, the message “LOCKED” is displayed and can not eject the disc.
7. To release this lock, while pressing the [STOP] button, press the [EJECT] button for 5 seconds again.
8. The message “UNLOCKED” is displayed and the disc tray is unlocked.
CD POWER MANAGE
This mode is for switch the CD power supply on/off. Even if this state pulls out AC plug, it is held.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press the [POWER] button again to turn the power off (standby).
4. After pressing the [DISPLAY] button on the remote commander, while pressing the [STOP] button, press the [POWER] button.
5. It turns power on and display “CD POWER ON” or “CD POWER OFF”.
CHANGE-OVER THE AM TUNING INTERVAL
(Mexican, Chilean, Peruvian and Argentina models)
The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [TUNER/BAND] button to select TUNER (AM) function.
3. Press the [POWER] button again to turn the power off (standby).
4. After pressing the [DISPLAY] button on the remote commander, while pressing the [TUNE + M L] button, press the [POWER] button.
5. It turns power on and display “9k STEP” or “10k STEP”, and thus the tuning interval is changed over.
CD SHIP AND COLD RESET
Procedure:
1. Press the [POWER] button to turn the power on.
2. Confirm there is no disc in all trays.
3. Press the [FUNCTION] button to select CD function.
4. Press three buttons of [OPTION], [BACK] and [POWER] simultaneously.
5. After blink “STANDBY”, “LOCK” is displayed, disconnect the AC plug.
COMMON TEST MODE
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press three buttons of [STOP], [ENTER], and [EJECT] simultaneously.
3. It enters the common test mode and the “PLAY SLEEP” segment on the fluorescent indicator tube blinks.
4. Each time the [VOLUME] dial is turned, “VOLUME MIN” and “VOLUME MAX” are displayed.
5. Each time the [EQ] button on the remote commander is pressed, “TONE MAX”, “TONE MIN” and “TONE FLAT” are displayed.
6. To release from this mode, press the [?/1] button to turn the power off.
HDD TEST MODE
The CDDB version display, custom DB initialization, HDD writing/reading test, HDD test data deletion, format, HDD setup and initialization mode for factory can be executed in this mode.
Procedure:
1. In the standby status, press the [POWER] button to turn the power on.
2. Press three buttons of [l m TUNE –], [m] and [EJECT] simultaneously.
3. When the HDD test mode is activated.
1. CDDB Version Display
The version of CDDB built into HDD is displayed.
Procedure:
1. Enter the HDD test mode.
2. Press the [UP] [DOWN] button to select the “CDDB Version”, and press the [ENTER] button.
3. The version of CDDB is displayed on the fluorescent indicator tube.
2. Custom DB Initialization
The initialization of custom DB recorded in HDD is executed.
Procedure:
1. Enter the HDD test mode.
2. Press the [UP] [DOWN] button to select the “Custom Init”, and press the [ENTER] button.
3. The following files in HDD are deleted.
# ROOT\SYSTEM\CCUDB\CCU.EDB
# ROOT\SYSTEM\CCUDB\CCU.IDX
# ROOT\SYSTEM\CCUDB\CCUTOC.IDX
# ROOT\SYSTEM\CCUDB\SCCU.EDB
# ROOT\SYSTEM\CCUDB\SCCU.IDX
# ROOT\SYSTEM\CCUDB\SCCUTOC.IDX
3. HDD Writing/Reading Test
The writing/reading of test data is done to HDD, and whether it operates normally is checked.
Procedure:
1. Enter the HDD test mode.
2. Press the [UP] [DOWN] button to select the “HDD W/R Test”, and press the [ENTER] button.
3. The writing reading of the test data is done to HDD, and the result is displayed.
When the writing/reading of the test data ends normally, the written test data is deleted.
# W/R Test OK : The writing/reading of the test data ended normally.
# W/R NG : Abnormality occurred in the writing/reading of the test data.
# Erase NG : It failed in the deletion of the test data.
4.Format
The deletion of all folders and files in HDD is executed.
Note: When this mode is executed, all data including the SYSTEM file in HDD is deleted. Execute this mode after it notes it enough when executing it.
Procedure:
1. Enter the HDD test mode.
2. Press the [UP] [DOWN] button to select the “Format”, and press the [ENTER] button.
3. All folders and files in HDD are deleted.
5. HDD Setup
The installation of initial data is executed from the USB memory to HDD.
Note: The SYSTEM file and the DEMO tune are copied from USB memory after all data in HDD is deleted with format when this mode is executed, and HDD can be returned to the state of initialization (It takes the time of about 80 minutes). Execute this mode after it notes it enough when executing it because format is executed on the assumption of the thing set up.
Procedure:
1. Connect the USB memory where initial data is recorded to the set.
2. Enter the HDD test mode.
3. Press the [UP] [DOWN] button to select the “Setup”, and press the [ENTER] button.
4. The following data is copied from the USB memory to HDD.
# ROOT\SYSTEM\TitleUpdater.exe
# ROOT\SYSTEM\TitleUpdaterVersion.txt
# ROOT\SYSTEM\UCODE.DAT
# ROOT\SYSTEM\CDDB\ecddb.idx
# ROOT\SYSTEM\CDDB\ecddb.mdt
# ROOT\SYSTEM\CDDB\elists.db
# ROOT\MUSIC\(File of description to “MUJIC\music.txt”)
6. Initialization Mode For Factory
The user use areas other than the “Sony Demo” artist in HDD are initialized, and the cold reset is executed.
Procedure:
1. Enter the HDD test mode.
2. Press the [UP] [DOWN] button to select the “FactoryPreset”, and press the [ENTER] button.
3. Press the [UP] [DOWN] button to select the “OK?”, and press the [ENTER] button.
4. All folder/file in the following folders in HDD is deleted.
# ROOT\SYSTEM\CCUDB
# ROOT\MUSIC (excluding folder/file that belongs to “Sony Demo” artist)
5. After initialization ends, the cold reset is executed.
HDD TITLE UPDATE TEST MODE
The title updater version display and title updater update can be executed in this mode.
Procedure:
1. In the standby status, press the [POWER] button to turn the power on.
2. Press three buttons of [TUNE -], [RIGHT ARROW] and [EJECT] simultaneously.
3. When the HDD title updater test mode is activated.
1. Title Updater Version Display
The version of title updater built into HDD is displayed.
Procedure:
1. Enter the HDD title updater test mode.
2. Press the [UP] [DOWN] button to select the “Version”, and press the [ENTER] button.
3. The version of title updater is displayed on the fluorescent indicator tube.
2. Title Updater Update
The version of title updater built into HDD is displayed.
Procedure:
1. Connect the USB memory where “TitleUpdater.exe” is recorded to the set.
2. Enter the HDD title updater test mode.
3. Press the [UP] [DOWN] button to select the “Update”, and press the [ENTER] button.
4. The “TitleUpdater.exe” is copied from the USB memory to HDD.
Note: In the following cases, the update cannot be executed.
# The USB memory is not connected.
# “TitleUpdater/exe" doesn't exist in the USB memory.
# “TitleUpdater/exe" in the USB memory is a version that is older than it in HDD.
HDD FACTORY SHIPMENT TEST MODE
The user use areas in HDD are initialized, and the cold reset is executed.
Note: When this mode is executed, all the MUSIC data including the DEMO tune in HDD is deleted (The SYSTEM file is not deleted). Execute this mode after it notes it enough when executing it because all the MUSIC data and CDDB updates that the user recorded are deleted.
Procedure:
1. In the standby status, press the [POWER] button to turn the power on.
2. Press three buttons of [STOP], [BACK] and [HDD REC] simultaneously.
3. Press the [UP] [DOWN] button to select the “OK?”, and press the [ENTER] button.
4. All folder/file in the following folders in HDD is deleted.
# ROOT\SYSTEM\CCUDB
3 ROOT\MUSIC
5. After initialization ends, the cold reset is executed.
SMPS POWER SUPPLY CIRCUIT 
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