Sony MZ-R900 service manual Main Board Assy, Case ASSY, BATTERY, Main Board

Page 7

MZ-R900

3-5. MAIN BOARD ASSY

6flexible board (CN501)

5

3 four screws

(M1.4 toothed lock)

7 main board assy

1 Remove two solders of flexible board.

4screw

(1.4)	2 flexible board
	2 flexible board
	(CN502)

3-6. “CASE ASSY, BATTERY”, “MAIN BOARD”

2 case assy, battery

3 main board

1Remove the solder of terminal (plus).

1 Remove the solder of terminal (minus).

7

Image 7

Contents Battery life1 Specifications927-991-13 Exploded Views Table of ContentsDisassembly DiagramsSection Servicing Notes Flexible Circuit Board RepairingLooking at controls Section GeneralDisassembly Flow Section DisassemblyPanel ASSY, Bottom LCD MODULE, Panel ASSY, Upper Panel ASSY, Upper SectionMain Board Assy Case ASSY, BATTERY, Main BoardMD Mechanism Deck MT-MZR900-171, Chassis ASSY, SET STRIP, OrnamentalService ASSY, OP LCX-4R Motor Flexible Board Holder AssyMOTOR, DC Sled M602 Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeA n u a l Configuration of Test ModeManual Mode Transition method in Manual Mode0XX 1 0 0 0 011 C 6 8 S 0F F J 0 011 0 6 3 B 0Description of Indication History Reset the error display codeDescription of Error Indication Codes Setting method of Reset the Error Display CodeRPLAY 000 P * * R000 000 FF021 Res ResetResNV CC ResOK?762 Vc1PWM 871 V5num872 V5dat Assy00WritPw ADJ OKSetTmp HrefPwOfstOK AssyAssy11 OfstCD OK Adjustment Method of Overall CD and MO Adjustment ModeOverall CD and MO adjustment items 000 *** NGPatClr CC Resume CC043 Res ResClr023 0D61A1 023 0D6000023 0D6008 023 0D6100023 0D6400 023 0D5DAA023 0D5E04 023 0D6120023 0D6D00 023 0D6909023 0D6C00 023 0D6CF6023 0D7800 023 0D751C023 0D7600 023 0D7603Block Diagram Servo Section DiagramsSection Block Diagram Audio Section Block Diagram KEY CONTROL/DISPLAY/POWER Supply Section Vp-p WaveformsSemiconductor Location Printed Wiring BoardsMZ-R900 IC301 AK4562VNS-L IC Block DiagramsXPC18A22FCR2 IC PIN Function Description MIFVSS3 Pause KEYMIC Sense XtestAdrb AdioAVD2 AVS2Spcv DSPVDD2DSPVSS1 SpcuSSB CLK TEST1, TEST0EVA SSB DataLCD RST XPD ADAXCS LCD LCD STBPanel Section Section Exploded ViewsMT-MZR900-171 Not supplied Chassis SectionMD Mechanism Deck Section MT-MZR900-171 Semiconductors Main Electrical Parts ListMain ConnectorXPC18A22FCR2 RES-CHIP CASE, Battery Charge Except JEW Memo Revision History