Hitachi DV-P705E, Руководство по обслуживанию, Страница: 11 / 41

1 - 6
1. Overview
This DVD player has two types of self-diagnosis function for differing operation methods:
(1) Self-diagnosis started automatically when power is turned on
(2) Self-diagnosis activated when test mode is selected by pressing buttons on player
2. Conditions for engaging self-diagnosis
The following conditions must be satisfied to start and complete self-diagnosis:
(1) No disc loaded.
(2) Power cord unplugged after self-diagnosis is complete.
3. Operation methods and diagnosis items
3.1 Self-diagnosis started automatically when power is turned on
(1) ATAPI bus not yet connected
If DVD-ROM drive is not connected, “Err 0009” will appear in the display of player.
Unplug the power cord and check the connection of ATAPI cable.
(2) When program is not yet stored in flash memory on DEC board:
Tray will open, close and then open.
Unplug the power cord and check the DEC board.
3.2 Self-diagnosis engaged by pressing the buttons on player
3.2.1 Simultaneously hold down the SKIP >> and POWER buttons on player for 5 seconds, and then press the PLAY button.
The player will enter the automatic DEC board self-diagnosis mode.
If the DEC board is normal, “0001” will appear in the display for 2 seconds, and then “0002” for 2 seconds: This indication will
be repeated.
If error is detected, “Err 01” or “Err 02” will appear.
Err 01: R/W error, 4 Mbit connected to SH
Err 02: R/W error, 32 Mbit connected to ZIVA
Self-diagnosis will stop when it first detects error.
That is, if “Err 01” is displayed, item for “Err 002” will not be diagnosed.
3.2.2 Simultaneously hold down the << SKIP and POWER buttons on player for 5 seconds.
The player will enter the selective DEC board self-diagnosis mode.
When this mode is entered, the appropriate menu should appear on the TV screen.
If this screen does not appear, there is a problem in the display system: Carefully check the circuits related to video encoder.
To change diagnosis items, while holding down the SKIP << button on player, press the POWER button.
The following describes each diagnosis item:
(1) VIDEO DAC
If the TEST MENU screen appears, this item is judged normal.
Indication in display: 10 00010
(2) BUTTON CODE
The codes of buttons on remote control and player will appear in the display.
Indication in display: 20 ***** (*****: 5-digit button code)
(However, the codes of POWER button and a simultaneously pressed button are excluded.)
4. Self-Diagnosis Function
TEST MENU
VIDEO DAC
BUTTON CODE
COLOR BAR
AUDIO DAC
FL FR C SL SR SUB
STRING TEST