Wednesday, April 08, 2015

SANYO DP46849 SERVICE MODE AND SERVICE TIPS

SANYO BLU RAY

SANYO DP46849 


SERVICE MODE AND SERVICE TIPS 

Enter the Service Menu:
1. Turn off the receiver and disconnect the AC power
supply.
2. While pressing the Volume () button on the television, reconnect the AC power supply. The Service
Menu will now appear. The remote can now be used
to make adjustments.
Service Adjustments:
# Press the Cursor UP  and DOWN  key to select the desired
service menu item you want to adjust.
# Use the Cursor  or  key to adjust the data. The  LEFT or RIGHT key will increase or decrease the data sequentially.
Exit from the Service Menu:
Press the MENU key to turn off the Service Menu display.
POWER FAILURE CIRCUIT
CPU (IC800) is programmed so the set will go to standby mode when there is circuit failure as described below.

This unit is equipped with a Power Failure Detector function included in the CPU which checks for an abnormal condition in the chassis power supplies. If, while the power is on, a failure is caused by any of the following that results in a low voltage supply, the CPU will turn the unit off in 1.5 seconds to prevent further damage:
• Failure within the power supply circuits.
• A short circuit in the load side from the supply.
Power Failure: Detected voltage failure for circuit. (Connected to IC800 pin 48 and pin 23.)
(Normal: High; Failure: Low) If, while the power is off, the power is switched on and any of these failures remains uncorrected, the CPU will shut off the power within three seconds.
Check the following if the unit is turned off by the power failure detector.
1. Disconnect the AC power cord (120V AC line) for a short time.
2. Connect a DC Voltmeter to the circuits shown below.
3. Press the Power key and check for the proper voltage supplies.
4. If any of these voltages is low, the power failure detector should turn the unit off within three seconds.
5. Check all circuits shown below.
Note: If power failure is detected 3 times in 15 minutes, the set will enter the standby mode and cannot be switched On.To reset the operating programs of the CPU it is necessary to disconnect the AC cord for a short time.
ON-SCREEN SERVICE MENU
When IC801 (EEPROM) is replaced, check the bus data to confirm they are the same as below. See page 3 for On-Screen Service Menu access and adjustments.

PROGRAM CODES
The microprocessor used in this model is a multi-purpose type and is used in several different models. To ensure proper operation and the correct features for your particular model, the program codes must be correct.
# All data except in gray box area is fixed. Do not change for correct operating.
# Data in gray box is initial and can be set according to adjusment information.
Note 1. Option Data 1 (NO. 087 OP1) should be hexadecimal 00. See 087 above. If this program code is wrong the TV will not operate properly.
Note 2. Option Data 2 (NO. 088 OP2) should be hexadecimal 28. See 088 above. If this program code is wrong the TV will not operate properly.
Service Tip
If the power LED on front of the TV is turning ON for 10-20 seconds, OFF for 1-2 second and keeps repeating, the problem is most likely IC5750A. Affected models are the 2009 & 2010 TVs

The IC 5750A you receive will have software 84 installed in it. If IC 5700's manufacture is Quimonda or TV is a 52" then the software will need to be changed with the use of a USB drive.
Note : Only use this software in the Sanyo TVs listed. If used in wrong chassis, it could cause TV not to come on and IC 5750 will need to be changed again.