Panasonic SB-PC730, Service Manual

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10.1.4. Self-Diagnosis History Memory Function
(Memory Setting of Self-Diagnosis History)
1. Memorizes the self-diagnosis result and the additional data at the moment when an error is detected.
2. History is numbered up to three. The latest error always appears first, shifting the old ones as two and three.
3. Other data that cannot be fit within three histories are discarded.
4. The same error is not memorized.
(Resetting Self-Diagnosis History)
Press and hold down the FF and EJECT keys at the same time at least 5 seconds to reset the data. (Be sure to apply this
operation after repair.)
(Display of Self-Diagnosis History)
The self-diagnosis history and additional data will be displayed on the FL, using numbers 3 to 5 of the service mode.
FL display example:
By selecting 3, 4 or 5 of the service mode, error code and additional data of history 1, history 2, and history 3 are displayed
respectively.
When no error code is memorized, "-" will appear as error code and additional data.
10.1.5. Self-Diagnosis History Memory
(Overview)
The self-diagnosis history memory function stores up to three errors historically, which of each occurs consecutively, and also
additional data such as deck mode and mechanism position along with error code for the purpose of speedy solution of a
problem.
(Error code and additional data)
Following table shows additional data applicable to error code.
Error code Meaning Additional data
Data 1 Data 2 Data 3 Data 4
01 No initialization of cylinder due to no loading
(Cylinder, driving circuit failure, etc.) VCR mode - Tape
position None
02 No capstan FG at load position
(Capstan, driving circuit, etc. failure) VCR mode - Tape
position FG count
03 Mechanism locking not because of unloading, cassette up VCR mode Standby position Tape
position LM information
04 Mechanism locking due to unloading VCR mode - Tape
position LM information
05 No S-reel pulse due to unloading
(S-reel system, capstan system failure) VCR mode Tape position Tape
position LM information
06 Mechanism locking due to cassette up VCR mode Standby position Tape
position LM information
07 Recording circuit operation failure during REC operation VCR mode - Tape
position None
08 Recording circuit operation failure not during REC operation VCR mode - Tape
position None
11 Detection of head clogging-ups VCR mode - Tape
position None
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SA-HT833VP