Pioneer XC-Z9 Service Manual page 38

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7. Displaying the SASC/CD F/W Version
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With the power on, pressing the ESC and CHAP keys on the test remote control unit (GGF1381) displays the following:
A
This indicates that the SACD/CD F/W part number is AYW7191 Version 1.01.
8. DISC Adjustment Mode
Only in Service mode, playback of a DVD is enabled for adjusting servos.
Only the test DVD for servicing (GGV1025) is supported, and operations with other DVDs are not guaranteed.
Only basic playback, error-rate measurement, track selection, and scanning are supported, and any other operations
are not guaranteed.
B
(Notes)
Self-diagnosis to check major IC communications (system control computer, display microcomputer, DSP,
ROM, and others).
Use the following to check communications with the LSI.
Communication between the system control computer and the SACD/CD module
On the service remote: If the SACD/CD version is displayed on the OLED when you press ESC and CHAP,
communication is OK.
C
Communication between the system control computer and the NETWORK module
If the Home menu is displayed with the HOME MEDIA GALLERY function, communication is OK.
Communication between the system control computer and the OLED control microcomputer
If the version of OLED is displayed after the STOP button on the main unit is held pressed for at least 8 seconds,
TE
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communication is OK.
Communication between the OLED control microcomputer and the FONTROM
If characters are displayed, communication is OK.
Communication between the system control computer and the DSP
If there are no errors indicated on the DSP Error Display in Service Test Mode, communication is OK.
Communication between the system control computer and the modulator (TAS5504)
D
If sound is output and the volume can be adjusted up and down, communication is OK.
Communication between the system control computer and the EEPROM
If "EEPROM Error" is not displayed while the power is on, communication is OK.
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