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6-2. DIGITAL
Checking Order for normal operation of Digital Board and Check Points
( * Measure RMS voltage with a multi-meter, refer to the attached picture for position of
check points )
1. After make sure that the set turns off, turn off the High Voltage ON/OFF Switch of the Power
Board and then turn on the set
2. Confirm whether there is an input of 5V, 3.3V into Power Connector ( PA5 ).
- 5V input (pin No.1,2) : If 4.5V ~ 5.2V, O.K.
- 3.3V input (pin No.7,8) : If 3.0V ~ 3.5V, O.K.
3. Confirm whether Power 2.5V, 3.3V_1, 3.3V_2, 3V_3, 5V_1, 5V_2
- 2.5V : If 2.2V ~ 2.7V, O.K.
- 3.3V : If 3.0V ~ 3.5V, O.K.
- 5V : If 4.5V ~ 5.2V, O,K.
4. Confirm Reset and V_MUTE
- Reset : If 3.0V ~ 3.5V, O.K.
- V_MUTE :If 3.0V ~ 3.5V, O.K.
5. Confirm CONF_DONE ( ID102, ID103 )
- CONF_DONE : If 3.0V ~ 3.5V, O.K.
- 19 -
Service manual SP-110
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