Sony R501PC service manual 00 6, Section Test Mode

Page 11

MZ-R501/R501PC

SECTION 4

TEST MODE

4-1. Outline

This set provides the Overall adjustment mode that allows CD and MO discs to be automatically adjusted when in the test mode. In this overall adjustment mode, the disc is discriminate between CD and MO, and each adjustment is automatically executed in order. If a fault is found, the system displays its location. Also, the manual mode allows each individual adjustment to be auto- matically adjusted.

4-2. Setting Method of Test Mode

There are two different methods to set the test mode:

1Short TAP801 (TEST) on the MAIN board with a solder bridge (connect pin 3 of IC801 to the ground). Then, turn on the

power.

MAIN BOARD (SIDE B)

 

 

AP856

 

R807

 

 

R805

R806

 

 

 

 

 

 

C815

TAP801

 

 

 

AP526

 

(TEST)

 

AP803

AP528

 

 

 

FB801

C808

 

C521

AP529

C807

R810

 

AP531

C830

 

R830

AP530

 

R811

AP802

 

 

 

 

 

4-3. Operation in Setting the Test Mode

When the test mode becomes active, first the display check mode is selected.

Other mode can be selected from the display check mode.

When the test mode is set, the LCD repeats the following dis- play.

This set LCD display

All lit

MONO

SYNC

REC

REMAIN

u

REC

SHUF

F 1

-a88:88

All off

Microcomputer version display

00 6 V1.300

When the X key is pressed and hold down, the display at that time is held so that display can be checked.

4-4. Releasing the Test Mode

For test mode set with the method 1:

Turn off the power and open the solder bridge on TAP801 (TEST) on the MAIN board.

Note: Remove the solders completely. Remaining could be shorted with the chassis, etc.

For test mode set with the method 2: Turn off the power.

Note: If electrical adjustment (see page 17) has not been finished completely, always start in the test mode. (The set cannot start in normal mode)

2In the normal mode, turn on the [HOLD] switch. While press- ing the [VOL --]key press the following order:

>t > t . t . t > t

. t > t . t X t X

11

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Contents LCX-4R SpecificationsMZ-R501/R501PC Flexible Circuit Board RepairingDiagrams Table of ContentsElectrical Adjustments DisassemblyOptical PICK-UP Flexible Board Section Servicing NoteGeneral Looking at the controlsCase Upper Assy Section DisassemblyCase Lower Assy Main Board LCD ModuleMD Mechanism Deck Service ASSY, OP Motor Flexible Board Holder AssyDC Motor M601, DC Motor M603 DC Motor M60200 6 Section Test Mode00Manual Configuration of Test ModeManual Mode Transition method in Manual Mode11072A1D 113A4S1D11OFEJ1D 11063B1DDescription of Indication History Reset the error display codeDescription of Error Indication Codes Setting method of Reset the Error Display Code88RMC OK Sound Skip Check Result Display ModeKey Check Mode 88RMC OK 32Pw-T W 21Reset21ResOK? 21Res72V5dat 62 S0171V5num 71 S2000ADJ OK 64V1 PWM14 S14 10Laser13WritPw Configuration of overall adjustment12HrefPw 12###S00MO OK 00Assy35Ofst 00CD OK0000TimeMK Mode Settings62***S20 62***S3043Resume 67***S6768***S20 68***S01IC PIN Function Description Section DiagramsSET KEY MIC SenseXtest MIFVSS3Xtsl APCDSPVDD0 DSPVSS0Slcw SldwSlcu SlcvSET CODE0 CLK SELOpen Close SW GND SWFlashvdd Xhold SWSycn REC Sync LevelMain Board Block Diagram Servo SectionMain Board Block Diagram Audio SectionBlock Diagram System Control / Power Section Main Board 3/3 System CONTROL/POWER SectionWaveforms Common note on Printed Wiring BoardSide a Printed Wiring Board Main Section Refer to page 33 for NoteSemiconductor Location Side B IC B/D Except US, CND Model C323 R314 C308 AP310 C102 C312 C307 IC501 SN761057DBT IC Block DiagramsIC701 SC111257FCR2 IC901 IC601IC302 TA2131FL IC301 AK5354VTCase Upper Blue Section Exploded ViewsPanel Section Case Upper Silver58 3-225-632-01 Spring LIMITER, Compression Chassis Section54 A-3323-653-A Main BOARD, Complete Except US,CND MD Mechanism Deck Section MT-MZR500-172 Section Main Electrical Parts List Jumper Resistor Ceramic Chip 9PFDiode Diode UDZ-TE-17-2.4BInductor Chip JACK, DC Polarity Unified TypeInductor COIL, ChokeNetwork Resistor SwitchSWITCH, Slide Hold FILTER, Chip EMI Common ModeItalian AEP AccessoriesCONNECTOR, Optical Except R501US,E ENGLISH,RUSSIAN,HUNGARIAN POLISH,CZECH,SLOVAKIANMemo Date Description of Revision Revision History