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Sony MZ-R37 Xxassy-M, Xx Xx Power, 51CD-RUN, Cd-Ok, Xx Xx Cd-Ng, Xx Xx Md-Ok, 15

Models: MZ-R37

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4-5. OVERALL ADJUSTMENT MODE (ASSY MODE)

(4) Power Mode

Mode No.	Test Description	Indication value	Remark
300	POWER test
310	POWER SUPPLY
311	DC IN	+B voltage value
320	CHG TEST
321	Charging start
322	BATT under	CHGMNT
		voltage value

323	BATT under	+B CHGMNT
		voltage value

1.Go into the test mode.

2.Press + key or VOLUME + and VOLUME + and VOL- UME + and VOLUME + in this turn to set the power mode.

4-5. OVERALL ADJUSTMENT MODE (ASSY MODE)

•How to Adjust in Assy Mode

1. Go into the test mode.

2. Press = or VOLUME – key.

XXASSY-M

3.Insert the test CD (TDYS-1) or an available SONY CD.

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

XX XX POWER

Adjustment value Mode No.

(Lower two digits are displayed.)

3. Press the keys below to change the mode No.

(: Increases the one place. p : Sets the one place to 0.

This key brings the ten place to 0 if the one place is 0.

VOLUME + : Increases the ten place by 10 if the one place is 0. Increases the adjustment value if the one place is non-zero.

VOLUME – : Decreases the ten place by 10 if the one place is 0. Decreases the adjustment value if the one place is non-zero.

Note) With the mode number 310 selected, pressing ( key will transfer to the mode number (311) for the currently opera- ting power.

With the mode number 300 selected, pressing P key will set the sleep mode. Pressing p key will release it.

• How to Check in the Power Mode

1.For the mode numbers of 311, the voltage of the currently operating power is displayed.

51CD-RUN

Mode No. under adjustment.

• CD Automatic Adjustment

Mode No.	Adjustment Description
052	CD EF balance adjustment
053	CD ABCD level adjustment
055	CD focus gain
056	CD tracking gain
057	CD focus bias

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

CD-OK	(CD)

MD-OK	(MD)

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

XX XX CD-NG

Result of adjustment

NG mode No. (lower two digits)

XX XX MD-OK

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Image 15

Sony MZ-R37 Xxassy-M, Xx Xx Power, 51CD-RUN, Cd-Ok, Xx Xx Cd-Ng, Xx Xx Md-Ok, 15, Overall Adjustment Mode Assy Mode

Contents

E Model Australian Model Tourist Model SPECIFICATIONSMZ-R37 US Model Canadian Model AEP Model UK ModelPrecautions for Laser Diode Emission Check Precautions for Using Optical Pick-up KMS-280AOptical Pick-upflexible board DISASSEMBLY TABLE OF CONTENTSSELF-DIAGNOSTIC DIAGRAMS– 4 – SECTION 1 GENERAL2-5. SELF-DIAGNOSTICMODE SECTION SELF-DIAGNOSTIC2-2.TEST MODE SETTING 2-3.OPERATION IN TEST MODE SETTING• Description of History Codes – 6 –• Description of Error Indication Codes ProblemSECTION DISASSEMBLY 3-1.PANEL, BOTTOM3-2.PANEL SV ASSY, FRONT 1 CN801 3-4.CONNECTOR– 8 – 3-3.LCD MODULE2 1.7x4.5, tapping – 9 –3-5.MAIN BOARD 3-6.PANEL SV ASSY, UPPER1 MD, step – 10 –3-7.CABINET SV ASSY 3-8.OP BLOCK ASSY• Location of the Flexible Board marked line Notes for Installation of the OP Block Assy– 11 – 3-9.HOLDER ASSY– 12 – 4-2.TEST MODE SETTINGXX XX SERVO SECTION 4 TEST MODEOA 000b4F 32 OF SERVO32 OF S-GAIN OA 000a4FXX XX MECHA XX XX AUDIO51CD-RUN XX XX POWER4-5.OVERALL ADJUSTMENT MODE ASSY MODE XXASSY-M4-6.HYBRID MODE, KEY CHECK MODE MO TRAVERSE ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTSPRECAUTIONS FOR ADJUSTMENT LASER POWER CHECKConnection – 18 –LOW REFLECTION CD TRAVERSE ADJUSTMENT CD TRAVERSE ADJUSTMENT– 19 – CD RF LEVEL CHECKRF waveform SECTION DIAGRAMS – 20 –6-1.IC PIN DESCRIPTIONS – 21 – • IC801 CXP740010 SYSTEM CONTROL – 23 – – 25 – 6-2.BLOCK DIAGRAM - SERVO SECTIONSignal path MZ-R37– 29 – 6-4.BLOCK DIAGRAM — SYSTEM CONTROL SECTION —– 27 – – 28 –– 33 – 6-5.PRINTED WIRING BOARD– 31 – – 32 –• Waveforms – 35 –– 36 – – 37 –• Waveform – 38 –– 39 – – 40 –– 41 – – 42 –MZ-R37 – 44 – – 45 –– 46 – – 47 – IC761 BA6966FV-E2IC803 AK6420AM-E IC901 MPC18A35FTA 13 12 11 9 10 8 SECTION EXPLODED VIEWS– 49 – 7-1.PANEL SECTION 2 3 1471 68 – 50 –7-2.CABINET SV ASSY SECTION 52 627-3.MECHANISM DECK SECTION MT-MZR37-161 101 104 108 111109 124 113 – 52 – ELECTRICAL PARTS LISTSECTION MAINMAIN MAIN – 54 –MAIN – 55 –9-926-952-12 MZ-R37 MAIN– 56 – Sony CorporationVer 1.2 1999. SERVICE MANUAL• ACCESSORIES & PACKING MATERIALS SUPPLEMENT-1Ver 1.3 1999. PRINTED WIRING BOARDSCHEMATIC DIAGRAM SUPPLEMENT-2SIDE A 1 A B CD E F G H Page D E F G H 2. PRINTED WIRING BOARD — US MODEL —SIDE A 1 A B CPage – 13 – • Difference of Schematic Diagram US ModelMZ-R37 – 12 –– 17 – 4. SCHEMATIC DIAGRAM — MAIN SECTION 2/3 —MZ-R37 – 15 –– 20 – 5. SCHEMATIC DIAGRAM — MAIN SECTION 3/3 —MZ-R37 – 19 –6. ELECTRICAL PARTS LIST MAIN– 21 – MAIN – 22 –Ref. No MAIN – 23 –Ref. No MAIN – 24 –Part No MAIN – 25 –Part No CORRECT • ELECTRICAL PARTS LIST/MISCELLANEOUS7. Corrections • EXPLODED VIEWS INCORRECT