Sony MZ-R900 service manual 000 P * * R, 000 FF, Rplay, Set Ok, Rmc Ok

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MZ-R900

Sound Skip Check Result Display Mode

This set can display the count of errors that occurred during the recording/playing for checking.

Setting method of sound skip check result display mode

1.Set the test mode (see page 12).

2.Press the N key or [REC] key, and the playing or recording sound skip result display mode becomes active respectively where the LCD displays the following.

Remote commander LCD display

000P * * R * *

Total count of record system errors (hex.)

Total count of play system errors (hex.)

3.When the N key is pressed, total error count is displayed on the LCD, and each time the > key is pressed, the display item moves down by one as shown below. Also, if the . key is pressed, the display item moves up by one, then if the [REC] key is pressed, the display in the record mode appears.

When the [REC] key is pressed, total error count is displayed on the LCD, and each time the > key is pressed, the display item moves down by one as shown below. Also, if the . key is pressed, the display item moves up by one, then if the N key is pressed, the display in the play mode appears.

Playing sound skip

Recording sound skip

result display

result display

Key Check Mode

This set can check if the set and remote commander function nor- mally.

• Setting Method of Key Check Mode

1.Setting the test mode (see page 12).

2.Press the [T MARK]key or [DISPLAY]key on the remote commander for several seconds (about 3 seconds) activates the key check mode. (At the last two digits, AD value of remote commander key line is displayed in hexadecimal)

Remote commander LCD display

000 **

**: AD value of the remote commander key (hexadecimal 00 to FF)

3.When each key on the set and on remote commander is pressed, its name is displayed on the remote commander LCD. (The operated position is displayed for 4 seconds after the slide switch is operated. If any other key is pressed during this display, the remote commander LCD switches to its name display)

Example1: When > key on the set is pressed:

Remote commander LCD display

000 FF **

**: AD value of the remote commander key (hexadecimal 00 to FF)

000P * * R * *

000 E I B * *

000S t a t * *

000A d r s * *

000B E m p * *

000# # # # # #

000P * * R * *

000B O v r * *

000B f u l * *

000R t r y * *

000# # # # # #

Example2: When N > key on the remote commander is

pressed:

Remote commander LCD display

000 rPLAY **

**: AD value of the remote commander key (hexadecimal 00 to FF)

4.When all the keys on the set and on the remote commander are considered as OK, the following displays are shown for 4 sec- onds.

Example1: When the keys on the set are considered as OK:

Remote commander LCD display

P**R**: Total play/record errors (hex.)

**: Counter of sound skip check each item (hex.)

######: 6-digit address where sound was skipped last (hex.)

Cause of Sound Skip Error

 

 

Cause of error

Description of error

 

 

 

 

 

 

EIB

Sound error correction error

 

 

 

 

Play

 

Stat

Decoder status error

 

 

 

 

Adrs

Address access error

 

 

 

 

 

 

 

 

BEmp

Buffer is empty

 

 

 

 

 

 

BOvr

Buffer is full, and sounds were

 

 

dumped

 

 

 

 

 

 

 

Record

Bful

Buffer capacity becomes less,

 

 

and forcible writing occurred

 

 

 

 

 

Rtry

Retry times over

 

 

 

 

4. To quit the sound skip check result display mode and to return to the test mode (display check mode), press the x key.

16

888 SET OK **

**: AD value of the remote commander key (hexadecimal

00 to FF)

Example2: When the keys on the remote commander are con- sidered as OK:

Remote commander LCD display

888 RMC OK **

**: AD value of the remote commander key (hexadecimal

00 to FF)

5.When all keys were checked or if the upper panel is opened, the key check mode quits and the test mode (display check mode) comes back.

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Contents Battery life1 Specifications927-991-13 Table of Contents DisassemblyDiagrams Exploded ViewsFlexible Circuit Board Repairing Section Servicing NotesSection General Looking at controlsDisassembly Flow Section DisassemblyPanel ASSY, Bottom Panel ASSY, Upper Section LCD MODULE, Panel ASSY, UpperCase ASSY, BATTERY, Main Board Main Board AssySTRIP, Ornamental MD Mechanism Deck MT-MZR900-171, Chassis ASSY, SETService ASSY, OP LCX-4R Holder Assy Motor Flexible BoardMOTOR, DC Sled M602 Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeTransition method in Manual Mode A n u a l011 C 6 8 S 0 F F J 0011 0 6 3 B 0 0XX 1 0 0 0Reset the error display code Description of Error Indication CodesSetting method of Reset the Error Display Code Description of Indication History000 P * * R 000000 FF RPLAYReset ResNV CCResOK? 021 Res871 V5num 872 V5datAssy00 762 Vc1PWMADJ OK SetTmpHrefPw WritPwAssy Assy11Ofst OfstOKAdjustment Method of Overall CD and MO Adjustment Mode Overall CD and MO adjustment items000 *** NG CD OKResume CC 043 ResResClr PatClr CC023 0D6000 023 0D6008023 0D6100 023 0D61A1023 0D5DAA 023 0D5E04023 0D6120 023 0D6400023 0D6909 023 0D6C00023 0D6CF6 023 0D6D00023 0D751C 023 0D7600023 0D7603 023 0D7800Block Diagram Servo Section DiagramsSection Block Diagram Audio Section Block Diagram KEY CONTROL/DISPLAY/POWER Supply Section Waveforms Vp-pPrinted Wiring Boards Semiconductor LocationMZ-R900 IC Block Diagrams IC301 AK4562VNS-LXPC18A22FCR2 IC PIN Function Description Pause KEY MIC SenseXtest MIFVSS3Adio AVD2AVS2 AdrbDSPVDD2 DSPVSS1Spcu SpcvTEST1, TEST0 EVASSB Data SSB CLKXPD ADA XCS LCDLCD STB LCD RSTSection Exploded Views Panel SectionChassis Section MT-MZR900-171 Not suppliedMD Mechanism Deck Section MT-MZR900-171 Main Electrical Parts List SemiconductorsConnector MainXPC18A22FCR2 RES-CHIP CASE, Battery Charge Except JEW Memo Revision History