JVC 250 Service Manual page 161

1.34
"No mem available"
2.1 "Invalid Sector"
2.2 "Write Timeout"
2.3 "Erase Timeout"
2.4 "Verify Error"
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"
3.2 "BB Timeout"
3.3 "No Slave Ack"
4.1 "CD PCA Missing"
4.2 "CD PCA Not OK"
4.3 ""HVD PCA Missing"
4.4 "HVD PCA Not OK"
4.5 "VA PCA Missing"
4.6 "VA PCA Not OK"
4.7 "VP PCA Missing"
4.8 "VP PCA Not OK"
4.9 "RTG PCA Missing"
4.10 "RTG PCA Not OK"
4.14 "Lamp Startup"
4.15 "Low Voltage PS"
4.16 "High Voltage PS"
Model 250 Service Manual
Chapter 7---Troubleshooting
Software error-no heap available for memory
allocation.
Software error-invalid Flash sector number.
Flash Memory Write Failure.
Flash Memory Erase Sector Failure.
Flash Memory Write Verify Failure.
IIC Slave HW protocol error-possible on each
byte transfer.
IIC Slave HW protocol error-1st error possible
on Read or Write.
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.
"No Slave Ack" on first poll of Convergence/
Deflection PCB.
/CD_OK is high (BAD).
"No Slave Ack" status on first poll of
Horizontal/Vertical Deflection PCB.
HVD_OK is High (BAD)-[/HVD_OK requires
RTG Timing.
"No Slave Ack" status on first poll of Video
Processor.
/VA_OK is High (BAD).
"No Slave Ack" status on first poll of VP.
VP_OK is High (BAD)
"No Slave Ack" status on first poll of RTG
RTG_OK is High (BAD)
Lamp Failed to light (/LAMP_LIT_B not Low
for 3 seconds out of 20 seconds.)
Low Voltage PS failed (/LV_OK_B is High).
High Voltage PS failed (/HV_OK_B is High).
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