Test Mode - Sony MHC-V83D Service Manual

2020/06/22 22:32:42 (GMT+09:00)
MHC-V83D
PANEL TEST MODE
This mode is used to check the screen display panel, LEDs, buttons,
touch keys and GESTURE CONTROL sensor.
Procedure:
1. Press [ ] button to turn on the system.
1
2. Touch [] touch key and [MIC/GUITAR LEVEL –] touch key
simultaneously for 3 seconds.
3. All LEDs and segments in screen display panel are lighted up.
This is the display check mode.
Touch [N] touch key repeatedly to toggle diff erent display
mode as below.
Segments on screen display panel:
All On → 1st Group On → 2nd Group On → All On → All Off
Color of LEDs:
All On → Red → Green → Blue → All Off
Mid speakers:
All On → All Off → Left → Right → All Off
Woofer:
All On → All Off → Left → Right → All Off
4. Touch [TUNING – .] touch key, the key check mode is acti-
vated.
5. In the key check mode, the screen display panel displays
"K 0".
Each time a button/touch key is pressed/touched, "K" value
increases. However, once a button/touch key has been
pressed/touched, it is no longer taken into account. After
all the buttons/touch keys have been pressed/touched, "K"
value will toggle between "OK" and "K26".
The screen display panel displays "<" or ">" or "˄" or "˅"
on the right side of "K26" or "OK" each time swing left,
right, up and down at GESTURE CONTROL.
6. To release from this mode, touch the touch keys in the same
manner as step 2, or disconnect the power cord.
MODEL, DESTINATION AND VERSION DISPLAY MODE
This mode is used to check the model, destination and software ver-
sion of the set.
Procedure:
1. Press [ ] button to turn on the system.
1
2. Touch [] touch key and [MIC/GUITAR LEVEL –] touch key
simultaneously for 3 seconds.
All segments in screen display panel are lighted up.
3. Touch [TUNING + >] touch key repeatedly. The following
information appears on the screen display panel in sequence:
Model Name → Destination → Serial Number → System Con-
trol Software Version (SC) → DVD Software Version (DVD) →
Bluetooth Software Version (BT) → Bluetooth EEPROM Ver-
sion (BTE) → Touch Sensor Version (TS) → Gesture Software
Version (GES) → Platform Software Version (PF) → Sub Sys-
tem Software Version (SUB).
4. To release from this mode, touch the touch keys in the same
manner as step 2, or disconnect the power cord.
USER RESET
The user reset clears all data including preset data stored in the data
fl ash to initial conditions.
Procedure:
1. Press [ ] button to turn on the system.
1
2. Touch [GUITAR] touch key and [MEGA BASS] touch key si-
multaneously for 3 seconds.
3. "RESET" appears on the screen display panel. After that, the
screen display panel becomes blank for a while, and the system
goes to demo mode.
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SECTION 3

TEST MODE

COLD RESET
This mode is used to reset all the user settings to factory setting.
Execute this mode when returning the unit to the customer.
Procedure:
1. Press [ ] button to turn on the system.
1
2. Touch [] touch key and [MIC/GUITAR LEVEL +] touch key
simultaneously for 3 seconds.
3. "COLD RST" appears on the screen display panel. After that,
"SONY" appears on the screen display panel. The system au-
tomatically turn on and off once. Please be sure that the system
stay at demo mode fi nally before switch off the power supply.
DISC TRAY LOCK
When the disc tray does not open and "LOCKED" appears on the
screen display panel, disc tray lock mode has been activated by the
shop front.
To release from Disc Tray Lock Mode
1. Touch [FUNCTION] touch key repeatedly to select DVD/CD
function.
2. Touch [MEGA BASS] touch key and [VOCAL FADER/VOICE
CHANGER] touch key simultaneously and hold down until
"UNLOCKED" displayed on the screen display panel.
SHOP FRONT DEMO
The playback started automatically and the " * DEMO * " appears
on the screen display panel.
This is the Shop Front Demo mode which is activated by the shop
front.
To release from Shop Front Demo Mode
1. Touch [] touch key and [MIC ECHO] touch key simultaneously
for 5 seconds.
2. The message "STANDBY" blinks for a few times and the
system goes to demo mode.
Sony CONFIDENTIAL
For Authorized Servicer
SYS SET