Benutzeranleitung / Produktwartung MZ-E800 des Produzenten Sony
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SERVICE MANUAL POR T ABLE MINIDISC PLA YER E Model T our ist Model SPECIFICA TIONS MZ-E800 US and foreign patents licensed from Dolby Laboratories Licensing Corporation.
– 2 – T ABLE OF CONTENTS 1. SER VICING NO TES ............................................... 3 2. GENERAL ................................................................... 6 3. DISASSEMBL Y ......................................................
– 3 – NO TES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suf fer electro- static break-do wn because of the potential difference genera ted by the charged electrostatic load, etc. on clothing and the human body .
– 4 – open/close detect switch (S809) eject lev er 2 shutter 1 Disc inser tion. ON (Fig. 1) a eject lev er 2 Lock slider 4 Disc inser tion. (Fig. 2) eject lev er 2 Unlock slider 4 (Fig. 3) b slider 4 (Fig. 4) b holder assy 3 Moving down to MAIN board side (do wnward).
– 5 – • When a disc is unloaded. Open the shutter 1 . (Fig. 5) j The slider 2 slides in arro w direction, and the holder Assy 3 moves up. (Fig. 6, Fig. 8) j When a disc rises, the open/close detect switch (S809) turns of f. (Fig. 5) j The optical block 4 moves in ar row direction (inward).
– 6 – SECTION 2 GENERAL A I B C D E F G H J Parts and contr ols The Player 1 i (earphones) jack 2 DIGIT AL SOUND PRESET switch 3 VOL (volume) +/– button 4 Battery compartment (at the bottom) 5 M.
– 7 – • This set can be disassemble in the order sho wn below . SECTION 3 DISASSEMBL Y Note: Follo w the disassembly procedure in the numerical order gi ven.
– 8 – FRONT P ANEL SECTION SHUTTER SECTION 1 Open the shutter block assy in the direction of arrow A . 3 boss 2 convex portion of screw hole two claws 4 front panel section knob (BASS BOOST) knob .
– 9 – spring (holder), torsion bracket (A) 8 motor flexible board (CN551) 1 MI screw (1.4 x 1.4) 2 bracket (FPC) 3 spring (MD), torsion 7 OP flexible board (CN501) 9 MD mechanism deck (MT-MZE800-170) 4 screw (MD), step spring (holder), torsion spring (holder), torsion spring (MD), torsion shaft • Torsion spring (holder) mounting method.
– 10 – 1 screw (1.4), MI 4 boss 7 case, battery 5 bracket (A) bracket (A) MAIN board open/close detect switch (S809) 6 Remove the two solders of battery terminal (plus) assy and terminal board (minus).
– 11 – “ MO TOR, DC SSM17A/C-NP (SPINDLE) (M901) ” , “ MO TOR, DC (SLED) (M902) ” HOLDER ASSY 4 motor, DC (sled) (M902) 3 three screws (M1.4) 5 motor, DC SSM17A/C-NP (spindle) (M901) 3 two screws (M1.4) 1 washer (0.8-2.5 ) 2 gear (SA) 3 holder ass y 1 washer (0.
– 12 – C521 C522 0 2 R620 C813 + R802 R830 X801 R205 R 1 C811 C204 8 5 1 4 IC802 149 148 5 7 8 151 150 4 6 0 3 2 152 1 1 142 141 140 139 138 136 137 135 134 33 36 39 42 44 48 51 54 56 57 58 32 35 38 41 45 47 50 53 55 59 60 – MAIN Board (Component Side) – TAP801 (TEST) 2 In the normal mode, turn on the HOLD switch on the set.
– 13 – Configuration of T est Mode Manual Mode Mode to adjust or check the operation of the set by function. Normally , the adjustment in this mode is not ex ecuted. How ever , the Manual mode is used to clear the memory and power supply/charging adjustments before performing automatic adjustments in the Overall Adjustment mode.
– 14 – Self-Diagnosis Displa y Mode • This set uses the self-diagnosis system in which if an error oc- curs in playback mode, the error is detected by the model con- trol and po wer control blocks of the microprocessor and infor - mation on the cause is stored as history in EEPR OM.
– 15 – • Description of Indication History Histor y code number Description 1st 0 The f irst error 1st 1 Displays “ 00 ” 1st 2 Displays “ 00 ” N 0 The last error N 1 Displays “ 00 ” N 2 Displays “ 00 ” N-1 0 One error before the last.
– 16 – 4. W hen all the ke ys on the set and on the remote commander are considered as OK, the following displa ys ar e sho wn for 4 sec- onds. (The key pressed to enter the K ey Check mode has be.
– 17 – 3. Press the X key once more. 4. Press the x key to quit the manual mode, and acti vate the test mode (display check mode). • T roubleshooting method of NV reset Executing the NV reset on the set having the microcomputer v er sion 1.000 causes the adjusted values of item n umbers 721, 722, and 757 to be cleared.
– 18 – • Adjustment method of Vrem PWM Duty (H) (item number: 766) 1. Connect a digital voltmeter to the TP919 (VR) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL - -] key (voltage do wn) so that the voltage becomes 2.
– 19 – – 20 – *** : NG item number . 8. If OK through the overall MO adjustments, press the x key to return to the test mode and terminate the Overall Adjustment mode. Overall Adjustment Mode • Configuration of overall adjustment N > key .
MZ-E800 05 78 84 85 86 87 96 99 89 4 12 27 5 6 7 8 10 11 13 16 32 106 33 29 28 41 42 1 44 21 31 26 25 43 24 23 4 8 9 10 11 12 14 5 6 13 7 18 19 TRACKING COIL 2-AXIS DEVICE FOCUS COIL JX JY JX IX IY IY.
MZ-E800 5 30 130 131 132 140 135 141 133 134 112 111 110 138 139 109 19 2 20 5 6 21 22 7 16 15 13 14 25 9 26 28 46 44 42 24 34 23 HI-BRIDGE CONTROL HI-BRIDGE CONTROL HI-BRIDGE CONTROL PRE DRIVER HI-BR.
MZ-E800 51 86 84 50 73 60 118 43 110 – 115 6 – 9 66 65 40 81 56 64 57 59 58 80 VOL + – S801 – 805 S801 S804 S805 S802 S803 S809 (OPEN/CLOSE) S807 AVLS LIMIT NORM S808 HOLD OFF HOLD S806 DIGITA.
MZ-E800 R603 R601 C609 R608 R611 R504 C509 C612 C610 + R503 C508 C501 R502 R501 C502 C503 C504 C505 C506 C507 C510 C511 C513 C515 C516 R609 C519 C618 C614 R612 R614 C615 X601 C521 C522 R620 C526 R515 .
MZ-E800 – 29 – – 30 – 6-5. SCHEMA TIC DIA GRAM – MAIN Board (1/4) –• See page 37 for W aveforms. • See pa g e 38 for IC Block Dia gram. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tantalums.
MZ-E800 6-6. SCHEMA TIC DIA GRAM – MAIN Board (2/4) –• See page 37 for W aveforms. • See pa g e 38 for IC Block Dia gram. – 31 – – 32 – Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tantalums.
MZ-E800 – 33 – – 34 – 6-7. SCHEMA TIC DIA GRAM – MAIN Board (3/4) –• See page 37 for Wa veforms. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tantalums.
MZ-E800 – 35 – – 36 – 6-8. SCHEMA TIC DIA GRAM – MAIN Board (4/4) –• See page 37 for Wavef orms. • See page 39 for IC Bloc k Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f or electrolytics and tantalums.
• W avef orms 1 IC501 1 (TE), IC601 oh (TE) (PLA YBACK mode) 200 mV/DIV , 50 ns/DIV 5 IC504 1 , 2 , IC551 3 (PWM1), IC601 <zxv> (SPVS), IC801 yj (SPDL PWM) (PLA YBACK mode) 2 V/DIV , 10 µs/DI.
– 39 – IC551 XC111256FT AEB + – + – 24 23 22 21 20 19 VC VG 1 2 3 4 5 6 7 8 3PHASE CONTROL PRE DRIVER 48 VC VC VC PRE DRIVER H-BRIDGE CONTROL VC H-BRIDGE CONTROL VG 47 46 45 44 43 42 41 39 38 .
– 40 – 6-9. IC PIN FUNCTION DESCRIPTION • IC501 SN761056CDBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1 TE O Tracking error signal output to the CXD2661GA (IC601) 2 RE.
– 41 – • IC601 CXD2661GA-2 Pin No. Pin Name I/O Description 1 VDCO — Power supply terminal (+1.7V) (for internal logic) 2, 3 MNT0, MNT1 O Operation monitor signal output terminal Not used (ope.
– 42 – Pin No. Pin Name I/O Description 47 to 52 A03, A04, A02, A05, A01, A06 O Address signal output to the external D-RAM Not used (open) 53 VDIO1 — Power supply terminal (+2.
– 43 – Pin No. Pin Name I/O Description 103 XLRF O Serial latch signal output terminal Not used (open) 104 CKRF O Serial clock signal output terminal Not used (open) 105 DTRF O Write data output t.
– 44 – • IC801 CXR701080-016GA (SYSTEM CONTROLLER) Pin No. Pin Name I/O Description 1 VLCD O Not used (open) 2 OFTRK I Off track signal input from the CXD2661GA (IC601) 3, 4 NC I Not used (open).
– 45 – Pin No. Pin Name I/O Description 50 XWAKE CLOSE I Starting detect input (A/D input) from the open/close detect switch (S809) “ L ” : close 51 XWAKE SET I Starting detect signal input (A.
– 46 – Pin No. Pin Name I/O Description 97 TMS I Test mode control signal input terminal for JTAG scan test Not used (open) 98 TCX I Clock signal input terminal for JTAG scan test Not used (open) .
– 47 – 9 8 10 7 6 5 16 4 3 2 1 16 17 13 12 17 11 LCD901 (1) P ANEL SECTION SECTION 7 EXPLODED VIEWS The components identified by mark 0 or dotted line with mark 0 are critical for safety . Replace only with part number specified. • Items marked “ * ” are not stocked since the y are seldom required for routine service.
– 48 – (2) MAIN SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 4-218-233-05 SCREW (1.4), MI 52 3-049-043-01 SPRING, TORSION 53 4-214-158-01 DANPER (-) 54 4-223-920-11 TERMINAL BOARD (MINUS) 55 3-049-036-01 CASE, BA TTERY 56 4-218-233-13 SCREW (1.
– 49 – The components identified by mark 0 or dotted line with mark 0 are critical for safety . Replace only with part number specified. (3) MD MECHANISM DECK SECTION (MT -MZE800-170) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 1-678-525-11 MOTOR FLEXIBLE BOARD 102 4-963-883-31 SCREW (M1.
– 50 – SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN A-3323-560-A MAIN BOARD, COMPLETE ********************* 3-049-041-01 TERMINAL BOARD < CAP ACITOR > C101 1-125-837-11 CERAMIC CHIP 1uF 10% 6.
– 51 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C853 1-107-820-11 CERAMIC CHIP 0.1uF 16V C854 1-107-820-11 CERAMIC CHIP 0.1uF 16V C901 1-107-820-11 CERAMIC CHIP 0.1uF 16V C902 1-107-820-11 CERAMIC CHIP 0.1uF 16V C903 1-164-943-11 CERAMIC CHIP 0.
– 52 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R517 1-208-691-11 MET AL CHIP 2.2K 0.5% 1/16W R518 1-218-985-11 RES-CHIP 470K 5% 1/16W R519 1-218-977-11 RES-C.
– 53 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark The components identified by mark 0 or dotted line with mark 0 are critical for safety .
MZ-E800 REVISION HIST OR Y Clicking the ver sion allows y ou to jump to the revised page. Also, clicking the v ersion at the upper right on the re vised page allows you to jump to the ne xt revised page. V er . Date Description of Revision 1.1 2001.02 Changing of parts supply c lassif ication.
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