Sony MZ-R91 service manual E t T m p, S S Y, D R U N, D O K, # # # N G, O R U N

Page 20

[Temperature Correction]

• Adjustment Method of temperature correction

1.Select the manual mode of test mode, and set the mode num- ber 014. (See page 12)

LCD display

014S e t T m p

2.Measure the ambient temperature.

3.Adjust with [VOL +], [VOL --]key so that the adjusted value

(hexadecimal value) becomes the ambient temperature. (Initial value: 14h = 20 ° C, Adjusting range: 80h to 7fh (–128

°C to +127 ° C)

4.Press the X key to write the adjusted value.

[Overall Adjustment Mode]

• Adjustment Method of Overall Adjustment Mode

1.Setting the test mode. (See page 11)

2.Press the . or [VOL --]key activates the overall adjust- ment mode where the LCD display as shown below.

LCD display

000 A S S Y * *

: (DISC MARK) When power adjustment “H” finished; Outward ON

When power adjustment “L” finished; Inward ON

Power supply is not yet adjusted unless both outward and inward disc marks are ON.

Note: Disc mark is displayed on the remote commander LCD only.

** : Left side = MO auto adjustment information F : Auto adjustment finished

1 : Manual adjustment remains

0 : Not adjusted yet

Right side = CD auto adjustment information

F : CD auto adjustment finished

1: Manual adjustment remains (not auto adjustment)

0: Not adjusted yet

3.Insert the CD test disc TDYS-1 (Parts No.4-963-646-01) or an available SONY CD disc.

4.Press N key. The system discriminates between CD and MO and performs automatic adjustment for CD.

Also, if . key is pressed, CD is adjusted automatically.

LCD display

%%% C D R U N

%%%: Manual mode number being executed

CD Automatic Adjustment item

Mode No.

Description

312

 

 

 

313

CD electrical offset adjustment

314

 

 

 

328

CD TWPP gain adjustment

321

CD tracking error gain adjustment

323

CD tracking error offset adjustment

 

332

 

336

CD ABCD level adjustment

 

 

344

CD focus gain adjustment

 

 

345

CD tracking gain adjustment

521

CD two-axis sensibility adjustment

 

522

 

341

CD focus bias adjustment

5.If the result of automatic adjustment is OK, the following dis- play appears in the LCD:

LCD display

341 C D O K

6.If the result of automatic adjustment is NG, the following dis- play appears in the LCD:

LCD display

# # # N G

## # : Overall adjustment. NG mode number

7.If NG, set the manual mode. Perform automatic adjustment for the items not accepted. (See page 12)

8.If CD adjustment is OK, insert an available SONY MO disc (recorded).

At this time, be sure to turn OFF the disc protect switch.

9.Press N key. The system discriminates between CD and MO and performs automatic adjustment for the MO disc.

Also, if > key is pressed, MO is adjusted automatically. However, when CD adjustment is not finished, “SetCD!” is blinking on the LCD and MO adjustment is not executed.

LCD display

%%% M O R U N

%%%: Manual mode number being executed

– 20 –

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Contents LCX-2R SpecificationsNEW Table of Contents DiagramsExploded Views Electrical Parts List Flexible Circuit Board RepairingSection Servicing Notes EepromHeadphones with a remote control RM-MZ2S SectionGeneral Location of ControlsUpper Panel Section Section DisassemblyPanel ASSY, Bottom MZ-R91 LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper PanelMZ-R90 Main BOARD, Case ASSY, Battery Belt ASSY, OrnamentalService ASSY, OP Chassis ASSY, SET, MD Mechanism Deck MT-MZR90-165Holder Assy Motor Flexible BoardMOTOR, DC Sled M602 Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeA n u a l Configuration of Test ModeManual Mode Overall Adjustment Mode 011 0 F F J 0011 0 6 3 B 0 011 0 5 9 a 0Sound Skip Check Result Display Mode Setting method of Sound Skip Check Result Display ModeT a t T r ySelf-Diagnosis Display Mode 000 1 s tDescription of Error Indication Codes Clearing Self-Diagnosis Data and Total Recording TimeDescription of Indication History RECKey Check Mode Key IndicationSection Electrical Adjustments E s NE s O K ? E sC l P W M C h P W MR h V c l R h V c hE t T m p S S YD R U N D O KLaser Power Check O O KE s u m e E s C l rSection Diagrams Block Diagram Servo SectionSignal Path REC DigitalSignal Path Play Analog OUT REC Analog REC Digital Block Diagram A/D, D/A CONVERTER, Audio SectionBlock Diagram KEY CONTROL/DISPLAY/POWER Supply Section JEW Printed Wiring BoardSemiconductor Location MZ-R90/R91 IC Block Diagrams IC301 WaveformsIC501 SN761056ADBT IC304, 305 RN5RZ25AA-TRIC601 IC602IC902 IC603IC605 XC6367B103MR IC803 XC6383C301MR IC804 RV5C348A-E2 IC901IC PIN Function Description VDC0 SwdtSclk VSC0VDIO1 VSIO1Xras IxoeXlrf ApcrefLddr VDC4Sync REC Pause KEYSense WrpwrFfclr SleepTSB Edge GND SWHalf Lock RMC KEYSET KEY REC KEYHK, CH, JEW Section Exploded ViewsPanel Section MZ-R90 Panel Section MZ-R91 Chassis section Not supplied102 103 104 108 109 Chassis Section101 105 113 112 114 106 110 107 111 109 MD-MECHANISM Deck Section Electrical Parts List MainCeramic Chip 5PF CAP, ChipConnector FILTER, Chip EMI Common ModeCXD2660GA IC MPC17A56FTAEBFET HAT2051T-EL FET HAT2050T-ELFET Transistor ZDT6718TAOPEN/CLOSE Detect SwitchComposition Circuit Block SWITCH, Slide Hold SWITCH, Slide Synchro RECThermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator MiscellaneousMZ-R90/R91 Subject Addition of Korean Model CorrectionHong Kong Model Korean Model Electrical Parts ListExploded Views Indicates changed portion.EXPLODED Views 112 105 106 #114151 176 @ IC MPC17A56FTA IC MPC18A31FTAEB