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Sony MZ-R37 specifications 47, IC761 BA6966FV-E2, IC803 AK6420AM-E

Models: MZ-R37

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Page 31

Image 31

IC761 BA6966FV-E2

VOUT

WOUT

N.C

VCC

RIB

STBY

BRK+ BRK-

13 12

STAND-BY

PREDRIVE

TSD

UP-DOWN

DISTRIBUTION

EX-OR

DRIVING SIGNAL

COMPOSITION LOGIC

TIMING SELECTOR

START

PHASE

SLOBE

CONTROL

WAVE

CONTROL

LOGIC

COMPOSITION

UOUT

UIN

VIN

WIN

COM

CST

CSL1

CSL2

GND

	IC803 AK6420AM-E
		DATA
		REGISTER	16	16
				R/W AMPS
				AND
		INSTRUCTION		AUTO ERASE
		INSTRUCTION		EEPROM
		REGISTER		EEPROM
				2048bit
				128x16
		ADD		DECODER
		BUFFER		DECODER
		BUFFER
CS	1	INSTRUCTION
CS	1	DECODE,
		CONTROL
SK	2	AND		8	VCC
		CLOCK
DI	3	GENERATION		VPP SW
DI	3
			VREF	VPP
			VREF	GENERATOR
				GENERATOR
				7	RDY/BUSY
				6	RESET
DO	4
				5	GND

– 47 –

Page 31

Image 31

Sony MZ-R37 specifications 47, IC761 BA6966FV-E2, IC803 AK6420AM-E

Contents

E Model Australian Model Tourist Model SPECIFICATIONSMZ-R37 US Model Canadian Model AEP Model UK ModelPrecautions for Using Optical Pick-up KMS-280A Precautions for Laser Diode Emission CheckOptical 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 Problem3-2.PANEL SV ASSY, FRONT SECTION DISASSEMBLY– 7 – 3-1.PANEL, BOTTOM1 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 – 16 –MO TRAVERSE ADJUSTMENT SECTION ELECTRICAL ADJUSTMENTSPRECAUTIONS FOR ADJUSTMENT LASER POWER CHECKConnection – 18 –LOW REFLECTION CD TRAVERSE ADJUSTMENT CD TRAVERSE ADJUSTMENTCD RF LEVEL CHECK – 19 –RF waveform – 20 – SECTION DIAGRAMS6-1.IC PIN DESCRIPTIONS – 21 – • IC801 CXP740010 SYSTEM CONTROL – 22 –– 23 – – 25 – 6-2.BLOCK DIAGRAM — SERVO SECTION —Signal 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 –– 42 – – 41 –MZ-R37 – 45 – – 44 –– 46 – IC761 BA6966FV-E2 – 47 –IC803 AK6420AM-E IC901 MPC18A35FTA 13 12 11 9 10 8 SECTION EXPLODED VIEWS– 49 – 7-1.PANEL SECTION 2 3 1469 66 – 50 –7-2.CABINET SV ASSY SECTION 52 62109 124 113 – 51 –7-3.MECHANISM DECK SECTION MT-MZR37-161 101 104 108 111– 52 – ELECTRICAL PARTS LISTSECTION MAINMAIN – 53 –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-21 A B C SIDE AD 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 –MAIN 6. ELECTRICAL PARTS LIST– 21 – – 22 – MAINRef. No – 23 – MAINRef. No – 24 – MAINPart No – 25 – MAINPart No CORRECT • ELECTRICAL PARTS LIST/MISCELLANEOUS7. Corrections • EXPLODED VIEWS INCORRECT