Pioneer DEH-5200SD/XNEW5, Service Manual

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DEH-5200SD/XNEW5
26
1 2 3 4
1 2 3 4
C
D
F
A
B
E
To all turning
If a noise is observed on the screen:
The display microcomputer may have an error, or the connection between the display microcomputer and the
OEL driver may have a problem.
If nothing is displayed on the screen:
There may be a problem with the communication, or the display microcomputer may have an error.
To the display of version information
ROM CORRECTION information display
When information couldn't be acquired from EEPROM.
When information could be acquired from EEPROM.
If nothing is displayed on the screen:
There may be a problem with the communication, or the display microcomputer may have an error.
If a number apparently strange is displayed as the EEPROM version:
There may be a problem with the communication.
If a version display is being made but the number of CH used is not displayed properly:
The connection with the EEPROM may be defective.
UNIT
: WW number
? ? ? ? : Unit number information of System microcomputer
& & & & : Unit number information of Display microcomputer
(When the Unit number is QWW3007, it is displayed as 3007.)
$ $ $ $ $ $ $ $ $ : Error information
NO_EEPROM (ROM CORRECTION is not connected)
ROM_ERROR (ROM CORRECTION data error)
: EEPROM Ver.Info
: CH use information
(1:Use / 0:Not use Corresponds from the left to CH1, CH2, CH3, CH4)