18
8 Service Mode
This unit is equipped with features of self-diagnostic & special mode setting for checking the functions & reliability of the
unit.
Special Note : Checking of the reliability (ageing) & operation must be carry out to ensure good working condition in unit.
8.1.
Method to enter into Service Mode
Here are the procedures to enter into service mode:
Step 1 :
Power up the unit.
Step 2 :
Press & hold [VOL-] on the unit, follow by [SUB-] & [SUB+] on the remote control.
Note : All LEDs will blink 4 times followed by all LEDs off.
Step 3 :
It enters into service mode.
8.2.
Model Display Details by LED Blinking Indicators
After entering into service mode, the following keys on the remote control can be pressed to determine:-
1. Microprocessor firmware version number
2. Model No.
3. Region setting
Note :
The LED blinking process will stop when the unit is power off completely.
Table 8-1
Summary of Contents for SC-HTB70P
Page 24: ...24 ...
Page 28: ...28 11 2 Types of Screws 11 3 Main Parts Location Diagram ...
Page 39: ...39 Step 4 Lift up to remove the Sub Chassis Unit ...
Page 49: ...49 Step 8 Release 1 catch Step 9 Remove the AC Holder ...
Page 55: ...55 Step 3 Remove 2 screws Step 4 Remove the Button Holder ...
Page 88: ...88 Step 13 SMPS P C B and AC Inlet P C B can be checked as diagram shown ...
Page 92: ...92 Step 17 Main P C B Side A can be checked as diagram shown ...
Page 94: ...94 Step 13 Main P C B Side B can be checked as diagram shown ...
Page 98: ...98 Step 17 AUX P C B and Sensor P C B can be checked as diagram shown ...
Page 101: ...101 Step 6 LED P C B can be checked as diagram shown ...
Page 102: ...102 ...
Page 110: ...110 ...
Page 132: ...132 WF No Q5504 3 PLAY 24Vp p 500nsec div WF No Q5504 5 PLAY 7 0Vp p 500nsec div ...
Page 136: ...136 ...
Page 140: ...140 ...