Sony HBD-N590 Service Manual page 31

3. Service Mode Menu (Top Menu)
This is the top menu of service mode.
Each function is accessed from this screen.
Operation:
[1] Moves to Diag screen
[2] Moves to Log screen
[3] Moves to Factory Initialize screen (Not used)
[4] Moves to Network screen
[5] Moves to Version Up (DISC version update) screen (Not
used)
[6] Moves to System Information screen
[7] Moves to EMC test mode screen (Not used)
[8] Moves to Drive screen
[9] Moves to HDD mode (Not used)
[ ]/[ ] Moves the cursor
M m
[ ] Moves to the screen of the item selected with the cursor
* Cursor is not displayed when the menu is fi rst displayed.
Service Mode Menu
[1] Diag [1] Diag
[2] Log
[3] Factory Initialize
[4] Network
[5] Version Up
[6] System Information
[7] EMC Test Mode
[8] Drive
[9] HDD mode
HELP : [DOWN] [ENT] [(NUM)]
HELP (currently available keys, etc.) is displayed
4. Diag (Device Test)
This screen is used to test devices mounted on the board.
Screen 1: Selects the test category
Operation:
[ ]/[ ] Selects the category
< ,
[ ]/[ ] Moves to the selected category
m
[RETURN] Returns to the service top menu
Screen 2: Device test
Selects the device to test after selecting Device Test in screen 1.
Operation:
[ ]/[ ] Selects the device to test
< ,
[ ] Executes the test
[ M ] Returns to selection of test category
[RETURN] Returns to selection of test category
• List of test categories
Device Test
Video Test
Audio Test
Audio Input Test (not used)
Wireless LAN Test (not used)
Mic Test (not used)
HDMI Input Test (not used)
Transcoder Test (not used)
HBD-N590/N790W/N890W/N990W/N995W/T79
Diag
Category:
Diag
Category: Device Test
Device:
Front USB Media check ... OK
(Screen 1)
HELP: [RIGHT] [UP] [ENT] [RET]
(Screen 2)
• Device Test: List of devices
USB Host : USB media check (front). Only one time.
D/A Converter : DAC wtite check (non-verifi cation).
Ifcon : Not used in this unit.
MIC : Only karaoke model used.
MFI : MFI read/write check.
IPC : Not used in this unit.
External HDMI : Not used in this unit.
Transcorder : Not used in this unit.
5. Diag (Video/Audio Test)
This screen performs video and audio tests.
Screen 1: When video test category is selected
Operation:
[ ] Shows/hides the color bar
[ ]/[RETURN] Returns to the selection of test category
M
Screen 2: When audio test category is selected
Operation:
[ ] Plays back/stops the tone sound
[ ]/[RETURN] Returns to the selection of test category
M
• Video test:
Outputs a color bar (composite & HDMI).
• Audio test:
TONE sound output (speaker & HDMI).
Diag
Category: Video Test
Diag
Category: Audio Test
HELP: [UP][ENT][RET]
(Screen 1)
HELP: [UP] [ENT] [RET]
(Screen 2)
Device Test
USB Host
Checking...
[ENT] Show Color Bar
[ENT] Generate TONE Sound
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