Boss Audio Systems RIP-495 Wartungshandbuch

SERVICE MANUALPORTABLE MINIDISC RECORDERHong Kong ModelTourist ModelMZ-R910US and foreign patents licensed from DolbyLaboratories.– Continued on next

10MZ-R9103-9. SERVICE ASSY, OP (LCX-5RV)4Spring, rack3Screw (M1.4)1Washer (0.8-2.5)2Gear (SA)5Screw (M1.4)6Spring, thrust detent8Pull off “screw, lead

11MZ-R9103-11. MOTOR, DC (SLED) (M602)3-10. HOLDER ASSY2Push the convex portiontoward the direction B andopen the holder assy towardthe direction A to

12MZ-R9103-12. “MOTOR, DC (SPINDLE) (M601)”, “MOTOR, DC (OVER WRITE HEAD UP/DOWN) (M603)”5Motor, DC(spindle) (M601)4Three screws(M1.4)1Remove six sold

13MZ-R910Operation in Setting the Test Mode• When the test mode becomes active, first the display check modeis selected.• Other mode can be selected f

14MZ-R910Configuration of Test ModeManual ModeMode to adjust or check the operation of the set by function.Normally, the adjustment in this mode is no

15MZ-R910Self-Diagnosis Result Display ModeThis set uses the self-diagnostic function system in which if anerror occurred during the recording or play

16MZ-R910• Description of indication historyHistory code number Description1 The first errorN The last errorN1 One error before the last.N2 Two errors

17MZ-R910Jog and Key Check ModeThis set can check if the set and remote commander function nor-mally.• Setting method of jog check mode1. Set the test

18MZ-R910Example1: When the > key on the set is pressed:Example2: When theN > key on the remote commanderis pressed:4. When all the keys on the

19MZ-R910SECTION 5ELECTRICAL ADJUSTMENTSOutline• In this set, automatic adjustment of CD and MO can be per-formed by entering the test mode.However,

2MZ-R910CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous ra-diation exposur

20MZ-R9102) Adjust with the [VOLUME +] key (adjusted value up) or [VOL-UME --] key (adjusted value down) so that the adjusted valuebecomes 08.3) Press

21MZ-R9101. Connect a digital voltmeter to the AP914 (VC) on the MAINboard, and adjust [VOLUME +] key (voltage up) or [VOLUME --]key (voltage down) so

22MZ-R9101. Connect a digital voltmeter to the AP911 (VD) on the MAINboard, and adjust [VOLUME +] key (voltage up) or [VOLUME--] key (voltage down) so

23MZ-R910C836C839C107C207C905C906C217C216C302C102C202C306R813R103 R203R902R903R607R909 R910R941R905R201R218R206R846R309R205R105R204R104R303R937R935R31

24MZ-R910Note: Adjust the CD first, when performing adjustment.• Electrical offset adjusting methodCaution: The electrical offset adjustment must be m

25MZ-R9105. If OK through the CD overall adjustments, then perform MOoverall adjustments.Remote commander LCD displayCD OK0006. Insert MO disc in the

26MZ-R910Patch Data Rewriting When Nonvolatile Memorywas ReplacedOn this set, if the nonvolatile memory was replaced, the modifiedprogram data must be

27MZ-R91024 Press the [VOLUME +] key once to change the blinking por-tion to 1179.00 : Adjusted value023117900Remote commander LCD display25. Press th

28MZ-R91051. Press the X key.(117F is blinking)52. Press the [VOLUME +] key twice to change the blinking por-tion to 1181.00 : Adjusted value02311810

29MZ-R91080. Press the [VOLUME +] key once to change the blinking por-tion to 1188.00 : Adjusted value023118800Remote commander LCD display81. Press

3MZ-R910TABLE OF CONTENTS1. SERVICING NOTES... 42. GENERAL ...

30MZ-R910108. Press the [VOLUME +] key once to change the blinking por-tion to 1192.00 : Adjusted value023119200Remote commander LCD display109. Press

31MZ-R910136. Press the [VOLUME +] key once to change the blinking por-tion to 1199.00 : Adjusted value023119900Remote commander LCD display137. Press

32MZ-R910164. Press the [VOLUME +] key three times to change the blink-ing portion to 11A3.00 : Adjusted value02311A300Remote commander LCD display165

33MZ-R910192. Press the [VOLUME +] key once to change the blinking por-tion to 11AB.00 : Adjusted value02311AB00Remote commander LCD display193. Press

34MZ-R910220. Press the [VOLUME +] key twice to change the blinking por-tion to 11B5.00 : Adjusted value02311B500Remote commander LCD display221. Pres

35MZ-R910248. Press the [VOLUME +] key once to change the blinking por-tion to 11BC.00 : Adjusted value02311BC00Remote commander LCD display249. Press

36MZ-R910276. Press the [VOLUME +] key once to change the blinking por-tion to 11C4.00 : Adjusted value02311C400Remote commander LCD display277. Pres

37MZ-R910304. Press the [VOLUME +] key twice to change the blinking por-tion to 11CE.00 : Adjusted value02311CE00Remote commander LCD display305. Pres

38MZ-R910332. Press the [VOLUME +] key once to change the blinking por-tion to 11D8.00 : Adjusted value02311D800Remote commander LCD display333. Press

39MZ-R910360. Press the [VOLUME +] key once to change the blinking por-tion to 11DF.00 : Adjusted value02311DF00Remote commander LCD display361. Press

4MZ-R910NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNITThe laser diode in the optical pick-up block may suffer electro-static break-do

40MZ-R910388. Press the [VOLUME +] key once to change the blinking por-tion to 11E6.00 : Adjusted value02311E600Remote commander LCD display389. Press

41MZ-R910416. Press the [VOLUME +] key once to change the blinking por-tion to 11EF.00 : Adjusted value02311EF00Remote commander LCD display417. Press

42MZ-R910444. Press the [VOLUME +] key once to change the blinking por-tion to 11F7.00 : Adjusted value02311F700Remote commander LCD display445. Press

43MZ-R910472. Press the [VOLUME +] key once to change the blinking por-tion to 11FE.00 : Adjusted value02311FE00Remote commander LCD display473. Press

44MZ-R910Note on Schematic Diagram:• All capacitors are in µF unless otherwise noted. pF: µµF50 WV or less are not indicated except for electrolytics

MZ-R9104545• Waveforms31254IC501 ed (RF OUT)IC501 1 (TE)qaIC801 (FE)IC501 8, 9, 0, qa (IY, IX, JX, JY)IC601 4 (CLK)IC501 rs (FE)6IC902 5 (EXT)qjIC

MZ-R91046466-2. BLOCK DIAGRAM – SERVO Section –332928414214421312543242348910111214561371819JX JY JXIX IYIYIXJXJYABCDMONIXABCDOPTICAL PICK-UP BLOCK(

MZ-R91047476-3. BLOCK DIAGRAM – AUDIO Section –VC B+F801FRMC KEYRVDDDTCKKEY-RRGND(LINE IN JACK)OPTICALRECEIVER J302i/LINE OUTJ301LINE IN(OPT)J303MIC

MZ-R91048486-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –745652545512351162116489888511311411510492425424135222326464750283234111

MZ-R91049496-5. PRINTED WIRING BOARD – MAIN Board (Component Side) – :Uses unleaded solder.• SemiconductorLocationRef. No. LocationQ602 G-9Q902 F-

5MZ-R910SECTION 2GENERALThis section is extracted frominstruction manual.The display window of the recorder1 Character information displayDisplays th

MZ-R91050506-6. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – :Uses unleaded solder.• SemiconductorLocationRef. No. Location23 4 5 6 789 10

MZ-R91051516-7. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • See page 60 for IC Pin Function Description.C621L602L603T601TH601L501L502Q501CN501C618Q601

MZ-R91052526-8. SCHEMATIC DIAGRAM – MAIN Board (2/4) –R920R953R952Q909Q910Q911Q908Q902Q903Q904Q905Q906R925R927R928R929R924L906100µHD905C931R922C933L

MZ-R91053536-9. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 61 for IC Pin Function Description.C812R865C829C828C825C816C815C817C851R866R824R

MZ-R91054546-10. SCHEMATIC DIAGRAM – MAIN Board (4/4) –FB301R305R304FB306FB304FB303C104R103R104R105C107R203R205C207C108C208R204C116C117C118C217C216C

55MZ-R910• IC Block DiagramsIC301 AK5354VT-E28765ADCCONTROLREGISTERI/FAUDIO I/FCONTROLLERHPFCLOCK DIVIDERVDVAAGNDVCOM1234LIN1LIN2RIN1RIN216 PDN15 CSN

56MZ-R910IC501 SN761057ADBT1TEREXTWpp LPFVREFCDD-CIyIxJxJyAA-CBADIP-INFEABCDOFC-C1OFC-C2PSLPEQAGNDRFCCSL2VCRESETSCKSBUSVREF075PEAKBOTMDGNDOFTRKS-MONT

57MZ-R910IC551 SC111258FCR2VC VGVC43484744454649505152535455561 2 3 4 542 41 39 373840635 34 3336 31 30 29328 9 107 12 131415112627282423222120251716

58MZ-R910IC601 XPC18A22AFCR22930313233343536373839404142434445464748495051525455561532 3 4 5 6 7 8 9 10 11 12 13 141516171819202122242325262728VBBATM

59MZ-R910IC901 XPC18A32AFCR242 41 40 39 38 36 35 34 33 32 31 30 29372827262524232220191817161514131211109876543215655545352515049484746454443+–+–CLKS

6MZ-R910SECTION 3DISASSEMBLY3-2. PANEL ASSY, BOTTOMNote: Disassemble the unit in the order as shown below.Note: Follow the disassembly procedure in th

60MZ-R9106-11. IC PIN FUNCTION DESCRIPTION• IC501 SN761057ADBT (RF AMP, FOCUS/TRACKING ERROR AMP)Pin No. Pin Name I/O Description1 TE O Tracking

61MZ-R910• IC801 CXD2677-204GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM)Pin No.Pin NameI/O Description1NCOLoad address strobe sig

62MZ-R910Pin No.Pin NameI/O Description56KDIIData input terminal Not used57TRSTISetting terminal for the test mode (normally fixed at “L”)58XOPT CT

63MZ-R910Pin No.Pin NameI/O Description101 XUDP UP ON O Pull-up resistor changeover control signal output of USB data (+) output terminal Not used1

64MZ-R910Pin No.Pin NameI/O Description149 VDIOSC—Power supply terminal (for the OSC cell) (+2.2V)150 OSCIISystem clock (45.1584MHz) input terminal151

65MZ-R910Pin No.Pin NameI/O Description195 ADDTIData input from the external A/D converter196 LRCK O L/R sampling clock signal (44.1KHz) output to the

66MZ-R910Pin No.Pin NameI/O Description242 A11OAddress signal output terminal for D-RAM Not used243 XOEOOutput enable signal output terminal for D-

67MZ-R910SECTION 7EXPLODED VIEWS7-1. PANEL SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark• Items marked “*” are not

68MZ-R9107-2. CHASSIS SECTIONRef. No. Part No. Description RemarkRef. No. Part No. Description Remark51 3-220-477-01 SHEET (MD), INSULATING52 X-3379-3

69MZ-R9107-3. MD MECHANISM DECK SECTION (MT-MZR910-180)Ref. No. Part No. Description RemarkRef. No. Part No. Description RemarkThe components id

7MZ-R9103-3. PANEL ASSY, UPPER SECTION3-4. “LCD MODULE”, “PANEL ASSY, UPPER”4Panel assy, upper1Flexible board (CN801)2Push the button (open).3Two ES l

MZ-R91070SECTION 8ELECTRICAL PARTS LISTMAINRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkNOTE:• Due to standardization,

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark71MZ-R910MAINC564 1-119-923-81 CERAMIC CHIP 0.047uF 10% 10VC566 1-125-777-11 C

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark72MZ-R910MAIN<FERRITE BEAD>FB301 1-216-864-11 METAL CHIP 0 5% 1/16WFB303

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark73MZ-R910MAINR612 1-218-985-11 RES-CHIP 470K 5% 1/16WR613 1-218-957-11 RES-CHI

74Ref. No. Part No. Description RemarkMZ-R910ACCESSORIES***********0 501 1-476-855-11 ADAPTOR, AC (AC-ES305) (JEW)0 501 1-476-858-11 ADAPTOR, AC (AC-E

75MZ-R910MEMO

MZ-R910REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page

8MZ-R9103-5. MAIN BOARD ASSY3-6. “CASE ASSY, BATTERY”, “MAIN BOARD”2Case assy, battery3Main board1Remove the solderof terminal (minus).1Remove the sol

9MZ-R9103-8. “MD MECHANISM DECK (MT-MZR910-180)”, “CHASSIS ASSY, SET”3-7. STRIP, ORNAMENTAL))))@@4Two convex portionspointed with @3Three bosses5Remov