Ld auto reverse multi laser disc player (34 pages)
Summary of Contents for Panasonic SJ-MJ50GH
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ORDER No.AD0201005C3 Portable MD Player SJ-MJ50GH MD unit: RAE1619Z-M Mechanism Series Colour (S)....Silver Type SPECIFICATIONS Specifications...
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Play time [Approximate operating time in hours (in hold mode, at 25°C, on a flat, stable surface)] Using earphones: Battery type: Play time (Normal/ LP2/ LP4) Rechargeable: 29 hours/ 41 hours/ 48 hours Panasonic 55 hours/ 74 hours/ 93 hours alkaline:...
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Using the speakers: Battery type: Play time (Normal/ LP2/ LP4) Rechargeable: 9.5 hours/ 9.5 hours/ 9.5 hours Panasonic 15 hours/ 15 hours/ 15 hours alkaline: Both together: 26 hours/ 26 hours/ 26 hours [When the rechargeable battery (included) is fully recharged.]...
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pickup) The laser diode in the MD mechanism (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). 4.1.
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4.2. Grounding for electrostatic breakdown prevention 1. Human body grounding Use the anti-static wrist strap to discharge the static electricity from your body. (as shown in Fig. 3 2. Work table grounding Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is placed, and ground the sheet.
Fig. 4 5. Operation Checks and Component Replacement Procedures This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when...
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required. After replacing the main components (optical pickup or traverse motor, etc.) of mechanism unit block, change to the adjust mode, and then perform the adjustments (Laser power, off-set, ROM/RAM). 5.1. Checking for the P.C.B.
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5.2. Replacement for the disc cover ass’y...
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5.3. Replacement for the side cabinet ass’y Follow the (Step 1) - (Step 3) of item 5.1.
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5.4. Replacement for the intermediate cabinet Follow the (Step 1) - (Step 3) of item 5.1. Follow the (Step 1) - (Step 4) of item 5.3.
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5.5. Replacement for the link unit (L), (R) Follow the (Step 1) - (Step 3) of item 5.1. Follow the (Step 1) - (Step 4) of item 5.3. Follow the (Step 1) - (Step 3) of item 5.4.
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5.6. Replacement for the traverse motor Follow the (Step 1) - (Step 3) of item 5.1.
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5.7. Replacement for the optical pickup Follow the (Step 1) - (Step 3) of item 5.1. Follow the (Step 1) - (Step 4) of item 5.6.
6. Measurements and Adjustments Note: After replacing the main components (optical pickup or traverse motor, etc.) of mechanism unit block, change to the adjust mode, and then perform the “Laser power adjustment”, “Off-set automatic adjustment” and “Playback-onlydisc/ magneto-optical disc automatic adjustment”. 6.1.
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3. Laser power meter (LE8010 or compatible meter) 4. Remote controller 6.2. Laser power adjustment, Off-set automatic adjustment, Playback-only disc/magneto-optical disc automatic adjustment magnet 6.2.1. Enter the adjustment mode Caution: Place the unit on the insulation sheet with the disc cover side facing up. 1.
Adjustment mode Display Laser power adjustment Off-set automatic adjustment Magneto-optical disc automatic adjustment Playback-only disc automatic adjustment Jitter meajurement (74minutes) Jitter meajurement (60 minutes) Destination change Off-set automatic adjustment value check Magneto-optical disc automatic adjustment value check Playback-only disc automatic adjustment value check Error rate measurement (double velocity) ROM collection...
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Laser diode in the optical pickup may be destroyed by the static electricity generated in your clothes or body. Be especially careful with the static electricity. 6.2.2.2. Adjustment Procedure 1. Uncover the laser power meter. (as shown in Fig. 6 Fig.
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3. Press the key of the remote controller (“T0J ” changes to “LD ” of the LCD). 4. Press the key of the remote controller (“LD ” changes to “LP ” of the LCD). 5. Set the laser power at 600 W±10% by using VOL+ and VOL- key of the remote controller.
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But if available is a MD cartridge type only, follow the procedure below. 1. Disassemble the unit so that only the mechanism unit and the printed circuit board are exposed. (as shown in Fig. 8 2. Set the laser power meter cartridge. (as shown in Fig.
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6.2.3. Off-set automatic adjustment 1. Remove the mechanism unit from the disc cover. Then move the optical pickup to the center, and attach the mechanism unit again to the disc cover. 2. With “T1J ” displayed, leave the disc cover open. 3.
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4. Press key (“AOK ” or “ANG ” changes to “T2J ”). 5. After the adjustment is finished, remove the disc. 6.2.5. Playback-only disc automatic adjustment 1. Have “T3J ” indicated on display, set the playback-only disc. (Check to make sure the disc is properly seated.) 2.
Main unit’s keys LCD display position and letters After the third key is pressed, the second digit displayed will change from “ ” to “O ”. VOL+ After the second key is pressed, the third digit displayed will change from “ ”...
8. Schematic Diagram Notes 8.1. Type Illustration of IC's, Transistors and Diodes...
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8.2. Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology. Notes: : Volume control switch (+) S202 : Cover open/close det. switch S207 : Hold switch in “OFF” position. (HOLD) S208 : Volume control switch (-) SX201 : Skip/search switch (...
Voltage and signal line : Positive voltage line : Playback signal line 9. Schematic Diagram 10. Printed Circuit Board Diagram 11. Block Diagram 12. Terminal Function of IC's 12.1. IC1 (C1BB00000640): RF AMP...
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Mark Function Division PPIT Pit/ Group select signal input terminal (H: Pit/ L: Group) RVCC Power supply terminal RF 1 signal input terminal RF 2 signal input terminal Power supply terminal F 1 signal input terminal F 2 signal input terminal A signal input terminal B signal input terminal C signal input terminal...
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F2 signal IV conversion output terminal Mark Function Division F1 signal IV conversion output terminal RGND — GND terminal 29 BOTTOM — RF bottom signal output terminal (Not used, open) PEAK RF peak signal output terminal Track detection signal output terminal Connected to GND through capacitor Connected to GND through...
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Mark Function Division ISET VCEC current charge pump bias resistor terminal VCVSS — GND terminal AVDD1D Power supply terminal PEAK Peak signal input terminal Focus error signal input terminal Focus error signal input terminal LNP error signal input terminal LNP error signal input terminal Tracking error signal input terminal...
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Mark Function Division VCC2 Power supply terminal — DRAM data in/ output terminal (Not used, open) — Not used, open — DRAM data in/output terminal (Not used, open) — Not used, open — Not used, open VCC2 Power supply terminal —...
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Mark Function Division SLD1 Sled control signal input terminal SLD2 Sled control signal input terminal SLD3 Sled control signal input terminal 68 FOPWMF Focus PMW output terminal 69 FOPWMR Focus PMW output terminal 70 TRPWMF Tracking PMW output terminal 71 TRPWMR Ttacking PMW output terminal Verocity puls signal input...
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Mark Function Division OUTL — 1bit DAC output terminal (Lch) OUTR — 1bit DAC output terminal (Rch) AVSS — GND terminal of LPF for 1bit DAC DDOUT Power supply terminal — GND terminal VCC2 Power supply terminal 16.9344MHz oscillate input terminal XOUT 16.9344MHz oscillate...
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Mark Function Division VCC2 Power supply terminal MAD3 — DRAM address output terminal (Not used, open) MAD2 — DRAM address output terminal (Not used, open) MAD1 — DRAM address output terminal (Not used, open) MAD0 — DRAM address output terminal (Not used, open) MAD10 —...
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Mark Function Division VREF- — Connected to GND Remote control key input REM_KEY terminal KEYIN Unit key input terminal BATT Battery voltage detection input terminal — — Connected to GND — — Connected to GND — — Connected to GND OUTC —...
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CHARGE Recharge control output terminal...
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Mark Function Division 30 LD_PWM Laser power controlling PWM output terminal DCIN_ Charger starting detection signal input terminal WAKEUP INTB IC101 interrupt signal input terminal WRQB IC101 interrupt signal input terminal 34 OPEN_SW Lid open/ close detection input terminal (H: Open/ L: Close) —...
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Mark Function Division SHOCK Signal detection signal/ sleep control signal input terminal — — Not used, open DATA_ — Not used, open FLASH CLK_ — Not used, open FLASH 57 DRV_STBY Driver IC standby output terminal 58 SP_STBY Driver IC circuit spindle standby output terminal PPIT Pit/ Group select signal...
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Mark Function Division MUTEB Analog mute B output terminal MUTE_ Mute mode dicision input terminal MODE (Connect to GND) 74 EEP_DATA_I I EEP ROM data input terminal 75 EEP_DATA_O O EEP ROM data output terminal EEP_CK EEP ROM clock output terminal EEP_CS EEP ROM chip select...
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Mark Function Division 3-phase sled drive power supply terminal Spindle motor block brake terminal PGND4 — GND terminal SUCO Sled driver block position detection comparator output terminal 3-phase sled (U) output terminal 3-phase sled (V) output terminal SVCO Sled driver block position detection comparator output terminal SWCO...
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Mark Function Division PWM signal input terminal (H: Output TR ON) — GND terminal Spindle motor position detection comparator filter output terminal COMIN Spindle motor position detection comparator filter input terminal VCOIN VCO control voltage input terminal (Connected to GND through capacitor) —...
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Mark Function Division IN1F H bridge (1) logic forward input terminal 13. Caution in Use of Rechargeable Battery Ass'y Take Rechargeable Battery Ass’y out of Battery Carrying Case and use it. Be sure to carry Rechargeable Battery Carrying Case. If not, it may either heat or ignite by shorting with a metal.
Carrying Case to prevent shorting accidents that may occur when Rechargeable Battery Ass’y is carried about Battery Carrying Case. (as shown Fig. 11 Fig. 11 15. Replacement Parts List Notes: *Important safety notice: Components identified by mark have special characteristics important for safety.
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specified parts shown in the parts list. *Warning: This product uses a laser diode. Refer to caution statements. *Capacity values are in microfarads (uF) unless specified otherwise, P=Pico- farads (pF) F=Farads (F) *Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM), 1M =1,000K (OHM) *The marking <RTL>...
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Ref. No. Part No. Part Name & Description Remarks A5-2 RFKY0004 REMOCON CLIP ASS’Y RFKFHFAZ01EM RECHARGE.BATT.ASS’Y A6-1 RFA0475-Q RECHARGE.BATT.CASE RFC0069-H CARRYING CASE RQT6378-G INSTRUCTION MANUAL <IA> RQCB0169 SERVICE CENTER LIST ECUE1E332KBQ 25V 3300P F1G1E332A059 F1H0J1050013 6.3V 1U F1H0J1050013 6.3V 1U ECUV1A224KBV 10V 0.22U F1H1A224A001...
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H020200000 KA/AM 2002 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.