Sony MHC-V44D Service Manual page 24

MHC-V44D
[HISTORY MODE]
This mode is used to check important data stored in the system when PROTECTOR happened.
Procedure:
1. Press [ ] to turn on the system.
1
2. During demo mode, press [ ] button and [
TUNING + >] button or [
3. Press the [
Display on screen display panel
P C O U
P T
1 *h *h *h
2 *h *h *h
※ ※
F
V O L
B A S S
To release from History Mode.
To release from this mode, press [
Protect Type Description:
Error Code Description
2 Defect of thermistor IC or charging circuit used by SPM (Sound Pressure Management) system.
3 There is possibility of over current happen at speaker output.
or
Unusual heat up of AMP IC by improper assembly of heat sink.
4 DC appears in SP terminal by defect of AMP IC.
6 Defect of DC FAN and DC FAN driver circuit.
If speaker does not have output even if the set status is not in PROTECT mode, the following defect might be possible:
Defects Possible cause
RESET defect Reset signal status from micom is not 'H'.
[DVD COLOR SYSTEM MODE]
This mode let you change the color system of the video output from PAL to NTSC or vice-versa.
Procedure:
1. Press [1] button to turn on the system.
2. Press [FUNCTION] button to turn the DVD/CD function.
3. Press [ENTER] button and [MIC ECHO] button simultaneously and hold for 3 seconds.
4. The message "PAL" or "NTSC" appears on the screen display panel.
• To release from DVD Color System Mode
1. Once the color system has been selected, the mode is fi xed there after. If you wish to change the mode again, perform the above item
2 again.
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+] button for 5 seconds to mode into history mode.
TUNING - .] button to check history data stored.
※ ※
N T
※ ※ ※ ※
*h *h *m *m
*h *h *m *m
※ ※ ※ ※
※ ※ ※
※ ※ ※
1 ] button.
Description
No. of time protector happened (0 ~ 99)
Refer to protect type description
Single Power On Time until protector happened (0~99999 hours,
0~99 minutes)
Total Power On Time [ no consider protector happened ]
(0~99999 hours, 0~99 minutes)
Input Function during protector happened
Volume setting (MIN / 1 - 50 / MAX)
MEGA BASS setting (OFF / ON)