Sony TRINITRON KV-HA21M80 Service Manual page 29

OPERATION GUIDE
SERVICE MODE
How to set up new NVM (or initialize already written one)
(1) AC ON
(2) Enter Service Mode - describing below how to enter
(3) Push the commander button "5" and "0" sequentially (only set initial data into RAM, but not write them into
NVM yet)
(4) Push the commander button "2" and "0" sequentially (copy the data into all NVM area - all wide modes and
50/60Hz respectively)
(5) Push the commander button "8" and "0" sequentially (initialize user data, select program 1 and exit Service Mode)
(6) Select TV system and execute Auto Preset
How to enter Service Mode
• At power ON, push the commander button "test" and "TV ON" sequentially
• At stand-by, push the commander button "display", "5", "vol +" and "power" sequentially
How to exit Service Mode
• Push the commander button "other ON" or power (AC) OFF
How to increment/decrement items and data
• Items : push the commander button "1" / "4"
• Data : push the commander button "3" / "6" (not write into NVM)
Other operations
• Write data into NVM - push the commander button "mute" and "0" sequentially
• Read data from NVM - push the commander button "7" and "0" sequentially
• Copy 50Hz data into 60Hz area - push the commander button "display" and "0" sequentially
SELF DIAGNOSIS MODE
How to enter Self Diagnosis Mode
• At stand-by, push the commander button "display", "5", "vol-" and "power" sequentially
How to exit Self Diagnosis Mode
• Push the commander button "other ON" or power (AC) OFF
Other operations
• Clear data and Write into NVM - push the commander button "8" and "0" sequentially
HOTEL TV MODE
How to enter Hotel TV Mode ON stage
• At stand-by, push the commander button "display", "MUTE", "vol +" and "power" sequentially
• The Hotel TV setup display, where the maximum level of the volume can be applied (=35 or above)
• Write data into NVM - push the commander button "mute" and "0" sequentially
How to enter Hotel TV Mode OFF stage
• At stand-by, push the commander button "display", "MUTE", "vol -" and "power" sequentially
• Write data into NVM - push the commander button "mute" and "0" sequentially
Modification Note (KV-HA21M80)
The item including the new addition is yellow.
1. The flag was added to bit 7 of OP1. This is the flag which chooses the volume curve used by HA (ME) model. (V2. IC).
Modification Note (KV-HA21N80/HA21N70)
The item including the new addition is yellow.
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KV-HA21M80/HA21N70/HA21N80
RM-969 RM-968