Sony CDX-GT21W Section Diagnosis Function, Reset count display mode, Operating hours display mode

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CDX-GT21W/GT210/GT260/GT260S

SECTION 3

DIAGNOSIS FUNCTION

Description of the Diagnostics function:

1.Setting the Diag display mode

With the power off, press the [4] button, [5]button, and [4] button on the set body or the remote control (for more than 2 seconds) in turn.

4.Contents of each display mode

4-1. Reset count display mode

01 XX

Reset count

(in hexadecimal format)

2.Canceling the Diag display mode

During the Diag function mode, press the [OFF] button.

3.Initial display in the Diag display mode.

Just when the Diag mode is entered, “reset count” is displayed. The display mode is switched by each rotation of

M >/SEEK + or . m/SEEK – keys.

Reset count display

01 XX

Reset count by watchdog timer display

02 XX

Number of connected units display

031 XXX

Operating hours display

Diag code

01: Reset count

4-2. Reset count by watchdog timer display mode

02 XX

Reset count

(in hexadecimal format)

Diag code

02: Number of resets by watchdog timer

4-3. Number of connected units display mode

031 XXX

Show the number of connected units for CD-C, MD-C and XM respectively from the rightmost (in hexadecimal format).

Recency of information

1-3: 1 represents the latest.

Diag code

03: Number of connected unit.

04 XXXX

CD error information display

051 XX

OFFSET/FAILURE error display

061XXXXX

The display mode is switched by each rotation of [2] or [1] keys during the number of connected units display mode.

No. of connected units history 1 (latest) display

031 XXX

No. of connected units history 2 display

032 XXX

No. of connected units history 3 display

033 XXX

4-4. Operating hours display mode

04 XXXX

Operating hours

(in hexadecimal format)

Diag code

04: Operating hours

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Contents Specifications Ver .2Service Notes CDX-GT21W/GT210/GT260/GT260SLead Free Mark Unleaded SolderCD Playback Table of Contents General DisassemblyDiagrams Exploded ViewsSection Location of Control CDX-GT21W USConnections CDX-GT21W US Main unitConnection diagram Diagrama de conexión Location of Control CDX-GT21W CND/GT210 Connections CDX-GT21W CND/GT210Connection diagram Location of Control CDX-GT260/GT260S Connections CDX-GT260/GT260SConnection diagram Disassembly SUB Panel LCD Assy CD Mechanism BlockMain Board Servo BoardChassis T SUB Assy Roller ARM AssyChassis OP Assy Reset count display mode Reset count by watchdog timer display modeNumber of connected units display mode Operating hours display mode1 X X X X 051 Disc type and operating hoursMemo Section Diagrams Block Diagram Main SectionBlock Diagram Display Section For schematic diagramsFor printed wiring boards Main BoardUses unleaded solder Printed Wiring Board Main SectionSemiconductor Location IC B/D IC B/D Refer to page 20 for Waveforms Schematic Diagram Main /3Refer to page 29 for IC Pin Descriptions Printed Wiring Board KEY Section OFFSchematic Diagram KEY Section IC Block Diagrams IC401 BD3444FS-E2 Main Board 1/3IC750 TDA8588BJ/N2/R1 Main Board 2/3 IC PIN Descriptions CyrilselPin No Pin Name Pin Description UnisiSection Exploded Views Main SectionFront Panel Section 5756CD Mechanism Section MG-101TA-188//Q 107Electrical Parts List KEYTransistor SWITCH, Tactile Mode KEY MainMain Main Servo 151 152 153 154 155 156 Memo Disassembly Chucking ARM SUB Assy 887-375-81Sled Motor Assy Optical PICK-UP Section Optical PICK-UPRevision History