Benutzeranleitung / Produktwartung SJ-MR230DGK des Produzenten Panasonic
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ORDER No. A D0211148C3 Portable MD Recorder SJ-MR230DGH / SJ-MR230DGK Colours (S)...................Sil v er T y pe (R)...................Red T y pe [(GK) area onl y .
A udio S y stem : MiniDisc digital audio s y stem Laser : Semiconductor laser (=780 nm) Sampling frequenc y : 44.1 kHz Coding : A dapti v e Transform A coustic Coding ( A TR A C / A TR A C3) No.
LP4 : A bout 70 hour s A bout 21 hours Both together Norma l A bout 77 hour s A bout 35 hours LP2 : A bout 100 hour s A bout 50 hours LP4 : A bout 117 hour s A bout 62 hours Notes: - The pla y time ma y be less depending on the operating conditions. - Specifications are subject to charge w ithout notice.
(N2QCBD000012) For GH area - Speaker ass’ y .........................................................2pcs. (RFK A JMR250-S) - Cradle.....................................................................1pc. (RFE0114 A) - A C adaptor..................
3. Operating Instructions 4. Handling Precautions for Optical Magnetism Head Unit T he laser diode in the optical magnetism head unit ma y break do w n due to potential difference caused b y static electricit y of clothes or human bod y. So, be careful of electrostatic breakdo w n during repair of the optical magnetism head unit.
4.2. Grounding for electrostatic breakdo w n pre v ention 1. Human bod y grounding Use the anti-static w rist strap to discharge the static electricit y from y our bod y .
5. Operation Checks and Component Replacement Procedures - T his section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. - For reassembl y after operation checks or replacement, re v erse the respecti v e procedures.
- Check the main P.C.B. ( A side) as sho w n belo w. 5.2. Replacement for the intermediate cabinet - Follo w the (Step1)-(Step3) of item 5.1..
5.3. Replacement for the open knob - Follo w the (Step1)-(Step3) of item 5.1. - Follo w the (Step1)-(Step4) of item 5.2..
5.4. Replacement for the tra v erse motor - Follo w the (Step1)-(Step3) of item 5.1..
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5.5. Replacement for the LCD - Follo w the (Step1)-(Step3) of item 5.1. - Follo w the (Step1)-(Step4) of item 5.2..
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5.6. Replacement for the lift motor - Follo w the (Step1)-(Step3) of item 5.1. - Follo w the (Step1)-(Step4) of item 5.2. - Follo w the (Step1) of item 5.
5.7. Replacement for the optical pickup - Follo w the (Step1)-(Step3) of item 5.1. - Follo w the (Step1)-(Step4) of item 5.2. - Follo w the (Step1)-(Step5) of item 5.
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6. Measurements and A djsutments Note: A fter replacing the main components (optical pickup or tra v erse motor, etc.) of mechanism unit block, change to the adjust mode, and then perform the “laser po w er adjustment”, “off-set auto- adjustment” and “pla y back-onl y disc/magneto-optical disc auto-adjustment”.
Note: For use of M D cartridge t y pe laser po w er meter, remo v e the intermediate cabinet before perform the laser po w er adjustment (as for the method of disassembl y , refer to “5. Operation checks and main component replacement procedures”.
*In the displa y of T 0E** ~ T FE** sho w n abo v e, y ou must adjust T 0E**, T 1E**, T 2E** and T 3E**. You must perform the adjustment b y obser v ing the order T 0E** T 1E** T 2E** T 3E**. 6.2.2. Laser Po w er A djustment A djust each laser po w er: read po w er for reading (pla y ) and w rite po w er for w riting (record).
1. Ha v e “ T 0E** ” indicated on displa y , and mo v e the optical pickup to the most inside (onl y w hen a MD cartridge t y pe laser po w er meter is used). 2. Set the laser po w er meter. [For use of stick t y pe laser po w er meter.] 2-1 Unco v er the laser po w er meter.
5. Perform the read po w er adjustment. Set the light po w er at 600 W ±10 % b y using VOL+, VOL- , EQ and PL A Y MODE ke y s of the remote controller. In the laser po w er adjustment, EQ and PL A Y MODE ke y s change e v er y 8 steps for VOL+ and VOL- ke y s change 1 step.
4. When it ends normall y , “0FOK” is displa y ed on LCD of remote control and a main part. It is set to “0FNG” at the time of abnormalities. 5. Press the PL A Y ke y of the remote controller (change the displa y of the LCD to “ T 1E** ” , off-set automatic adjustment w ill be finished.
LCD. If it is abnormall y , it changes to “00NG ”. 5. Press the PL A Y ke y (“00OK ” or “00NG ” changes to “ T 3E** ”, pla y back-onl y disc adjustment is finished.). Note: When “00NG” is displa y ed, check “7. T roubleshooting Guide” in order.
M ain unit’s key Check point Voltage (ON) Voltage (OFF) PL AY IC501 100pin 0V 2.2V S T OP IC501 100pin 1.76V 2.2V FOW IC501 99pin 0.66V 2.2V REV IC501 99pin 0.88V 2.2V HOLD OFF IC501 42pin 0V 2.2V REC IC501 100pin 0.22V 2.2V VOL+ IC501 99pin 1.1V 2.
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7.1.2. Confirmation of main unit and cradle.
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7.2. Flo w Chat of Each Part.
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8. Displa y of Self-Diagnostic Function T his model is equipped w ith a self-diagnosis function and sho w s, w hen necessar y , the follo w ing indication in the LCD section of the set.
“F17”--- T his indication appears w hen the Do w n s w itch fails to turn ON since the magnetic head fails to mo v e up/do w n normall y (Due to trouble of the magnetic head or trouble of the magnetic head up/do w n motor)or the magnetic head P.C.
S806 : Hold s w itch in “OFF” position. (HOLD) - Indicated v oltage v alues are the standard v alues for the unit measured b y the DC electronic circuit tester (high-impedance) w ith the chassis taken as standard. T herefore, there ma y exist some errors in the v oltage v alues, depending on theinternal impedance of the DC circuit tester.
14. Wiring Connection Diagram 15. Terminal Function of IC's 15.1. IC1 ( A N22010 A -VF) : RF A MP Pin No. M ark I/O Di v ision Function 1 LDO O Laser amp output terminal 2 LD IN I Laser amp re v erse input terminal 3 A PCPD I Photo diode light quantit y det.
Pin No. M ark I/O Di v ision Function 21 FF2 O F2 signal I/V con v erter output terminal 22 FF1 O F1 signal I/V con v erter output terminal 23,24 NC — Not used, open 25 A DIP O A DIP signal output t.
Pin No. M ark I/O Di v ision Function 47 D I M ain beam D signal input terminal 48 C I M ain beam C signal input terminal 15.2. IC101 (M66621BSG) : A T R A C ENCORDER/DECORDER, SERVO SIGN A L PROCESSOR Pin No.
Pin No. M ark I/O Di v ision Function 16 T VDP/ S T PO1 O T ra v erse (+) dri v e signal / stepper dri v e signal 1 output terminal 17 SBCK/ S T PO2 O Sub code Q clock for resistor / stepper dri v e s.
output terminal Pin No. M ark I/O Di v ision Function 38 SC T SY O A DIP s y nchronous noise output terminal 39 SSDR O S y stem control read data output terminal 40 SSDW I S y stem control w rite data.
Pin No. M ark I/O Di v ision Function 62 BB I Ser v o A /D con v erter input terminal 63 AA I Ser v o A /D con v erter input terminal 64 A VSS1 — GND terminal 65 PEF MS I EF M signal input terminal .
Pin No. M ark I/O Di v ision Function 85 DVDD2 I Po w er suppl y input terminal 86 R A D0 O A ddress for DR A M 0 output terminal 87 RD T3 I/O Data for DR A M 3 input / output terminal 88 IVDD1 — Po.
Pin No. M ark I/O Di v ision Function 1 IN 1R I H bridge 1 re v erse input terminal 2 IN 2F I H bridge 2 for w ard input terminal 3 IN 2R I H bridge 2 re v erse input terminal 4 S T A LL I Standb y in.
terminal Pin No. M ark I/O Di v ision Function 25 CSL2 I Slope capacitor connection terminal 26 FG O Speed pulse output terminal 27 BRK+ I Brake comparater+ input terminal (Connected to po w er suppl .
Pin No. M ark I/O Di v ision Function 48 C2M — Charge pump capacitor 2(-) connect terminal 49 C2P — Charge pump capacitor 2(+) connect terminal 50 C1M — Charge pump capacitor 1(-) connect termin.
Pin No. M ark I/O Di v ision Function 1 A VREFO I Reference v oltage input terminal for A /V con v erter 2 A VDD — Po w er suppl y terminal for A /V con v erter (+2.
Pin No. M ark I/O Di v ision Function 23 RE M _KEY_W A KE UP I Remote control ke y W A KE UP signal input terminal 24 DOC T OR I Doctor mode signal input terminal (Open) 25 M _REQ O NE T M D microcomp.
Pin No. M ark I/O Di v ision Function 42 HOLD_SW I HOLD s w itch input terminal (H : hold) 43 DCIN_DET I DC IN detection input terminal (H : DC IN) 44 DCIN_DE T2 I DC IN2 detection input terminal (H :.
Pin No. M ark I/O Di v ision Function 63 EVSS — GND terminal 64 EVDD — Po w er suppl y terminal (+ 2.2V) 65 HFON1 O HF module ON signal output terminal 66 M ONIOFF O 3 T monitor OFF output termina.
Pin No. M ark I/O Di v ision Function 84 OPENSW I Disc co v er open/close detection terminal (H : open) 85 W A KEUP I M icrocomputer w ake up signal input terminal 86 SC T SY I A DIP s y ncronize sign.
17. Replacement Parts List Notes: *Important safet y notice: Components identified b y mark ha v e special characteristics important for safet y. Funrthermore, special parts w hich ha v e purposes of fire-retardant (resistors), high-qualit y sound (capacitors), lo w -noise (resistors), etc.
Ref. No. Part No. Part Name & Description Pcs Remarks 1 RHD14080 SCREW 1 2 RDG0510 INTERMEDI A TE GE AR 1 3 RHD14078 SCREW 1 4 RHW11011 W A SHER 1 5 RMC0437 SPRING 1 6 BRL1 A 1CWD LIFT MOTOR 1 7 R.
Ref. No. Part No. Part Name & Description Pcs Remarks 44-2 K0L2LF000002 SWITCH(S501) 1 44-3 RHD14082 SCREW 1 44-4 RM A 1364-2 HOLDER A NGLE 1 44-5 RMX0156-1 STOPPER RUBBER 2 44-6 XQN14+B4FC SCREW .
C111 ECUE1H470JCQ 50V 47P 1 F1G1H470 A 422.
Ref. No. Part No. Part Name & Description Pcs Remarks C113 F1G1C103 A 044 16V 0.01U 1 C120 ECUEN A 104KBQ 10V 0.1U 1 F1G1 A 104 A 014 C121 ECUE1C223KBQ 16V 0.022U 1 F1G1C223 A 044 C122 F1G0J224 A 004 6.3V 0.22U 1 C123 ECUE1E681KBQ 25V 680P 1 C130 F1G1E472 A 059 25V 4700P 1 C140 F1G1C103 A 044 16V 0.
Ref. No. Part No. Part Name & Description Pcs Remarks C701 RCST0JY226RG 6.3V 22U 1 F3F0J2260002 C702 ECUEN A 104KBQ 10V 0.1U 1 F1G1 A 104 A 014 C704 F3E0G106 A 001 4V 10U 1 C711 ECUEN A 104KBQ 10V 0.1U 1 F1G1 A 104 A 014 C713,14 F5 A 421050001 4V 1U 2 C721 F5 A 421040002 4V 0.
Ref. No. Part No. Part Name & Description Pcs Remarks IC306 C0CB AA B00036 IC 1 IC307,08 B1KBB0000006 IC 2 IC401 C0GBD0000022 IC 1 IC501 C2DBKJ000062 IC 1 IC502 C3EBDG000039 IC 1 IC503 C0EBC000003.
Ref. No. Part No. Part Name & Description Pcs Remarks Q312 B1CHMC000001 TR A NSISTOR 1 Q313 B1CHHD000003 TR A NSISTOR 1 Q315 DTC144EETL TR A NSISTOR 1 B1GBCFNN0001 Q701 B1HFCF A 00005 TR A NSISTOR.
Ref. No. Part No. Part Name & Description Pcs Remarks R315 ERJ2GED513X 1/4W 51K 1 ERJ2RHD513X R317 ERJ6RSJR10V 1/10W 0.1 1 R318 ERJ2RKD474X 1/4W 470K 1 R320 D1H81044 A 024 100K 1 R321 ERJ2GEJ394X 1/4W 390K 1 ERJ2RMJ394X R322 ERJ2GEJ225X 1/4W 2.
Ref. No. Part No. Part Name & Description Pcs Remarks R905 ERJ2GEJ102X 1/4W 1K 1 ERJ2RMJ102X R911 D1H447320001 47K 1 R912 ERJ2GEJ6R8X 1/4W 6.8 1 RX111 D1H410420002 100K 1 RX112 ERJ2GE0R00X 1/4W 0 .
19. Packaging.
20. Schematic Diagram for printing w ith A4 H0211 T N/HH.
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