Hughes JVC 100, Service Manual

Page: 110 / 127

Chapter 5---Troubleshooting
5-6 Model 100 Service Manual
Error
No.
On-Screen
Text
Description When
Expected
oper”
1.27 “Timeout on
Read” //Software error-unexpected timeout on
Read. Never
1.34 “No mem
available” //Software error-no heap available for
memory allocation. Never
2.1 “Invalid Sector” //Software error-invalid Flash sector number. Never
2.2 “Write
Timeout”
//Flash Memory Write Failure. Save Data
2.3 “Erase
Timeout”
//Flash Memory Erase Sector Failure. Save Data
2.4 “Verify Error” //Flash Memory Write Verify Failure. Save Data
NOTE: Category 3 error codes may occur when power is interrupted by opening the
cover interlock switches or during power brown-outs.
3.1 “Pin Timeout” //IIC Slave HW protocol error-possible on
each byte transfer. Channel or
Source
Change
Adjustment
3.2 “BB Timeout” //IIC Slave HW protocol error-1st error
possible on Read or Write. Channel or
Source
Change
Adjustment
3.3 “No Slave Ack” //IIC Slave HW protocol error-missing
acknowledgement on byte transfer. NOTE:
This error occurs if the slave is missing.
During Power On, this error is reported in the
POWER category. Channel or
Source
Change
Adjust-ment
4.5 “VA PCA
Missing”
// “No Slave Ack” status on first poll of Video
Processor. Power On
4.6 “VA PCA Not
OK”
// / VA_OK is High (BAD). Power On
4.7 “VP PCA
Missing”
// “No Slave Ack” status on first poll of VP. Power On
4.8 “VP PCA Not
OK”
// VP_OK is High (BAD) Power On
4.14 “Lamp Startup” //Lamp Failed to light (/LAMP_LIT_B not Low
for 3 seconds out of 20 seconds.) Power On or
Cover off