Pioneer MJ-L11 Service Manual
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- Operating instructions manual (68 pages)
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MINIDISC RECORDER
MJ-L11
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
MJ-L11
MYXJ
NVXJ
¶ This product is a system(s) component.
This product does not function properly independently ; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
¶ Please connect it to the POWERED SUBWOOFER S-DV88SW or S-DV77SW, for
adjustment and operation inspection.
¶ Please connect it to the STEREO CD TUNER XC-L11 and the POWER STEREO
AMPLIFIER M-L11, for adjustment and operation inspection.
Component
DVD/CD TUNER
SPEAKER SYSTEM
SATELLITE SPEAKER
POWERED SUBWOOFER
STEREO CD TUNER
STEREO POWER AMPLIFIER
MINIDISC RECORDER
STEREO CASSETTE DECK
CONTENTS
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............... 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..... 8
4. PCB CONNECTION DIAGRAM ......................... 22
5. PCB PARTS LIST ............................................... 28
6. ADJUSTMENT .................................................... 31
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
c
PIONEER CORPORATION 2001
6
PLAY/PAUSE
REC
Power Requirement
AC220-230V
AC230V
Model
XV-DV88
XV-DV77
–––
S-DV77
S-DV88ST
S-DV77ST
S-DV88SW
S-DV77SW
XC-L11
M-L11
MJ-L11
CT-L11
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
EJECT
0
7
STOP
Service manual
RRV2480
RRV2473
RRV2486, RRV2473
RRV2474, RRV2473
RRV2470
RRV2479
RRV2472
This manual.
RRV2471
System option
7. GENERAL INFORMATION ................................ 39
7.1 DIAGNOSIS .................................................. 39
7.1.1 SINGLE OPERAION MODE ................... 39
7.1.2 POWER ON SEQUENCE ...................... 40
7.1.3 DISASSEMBLY ...................................... 42
7.2 IC .................................................................. 46
8. PANEL FACILITIES AND SPECIFICATIONS ....... 49
T – ZZR JUNE 2001 Printed in Japan
ORDER NO.
RRV2472
Remarks
Remarks
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Summary of Contents for Pioneer MJ-L11
- Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2001 T –...
- Page 2 If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. IMPORTANT LASER DIODE CHARACTERISTICS THIS PIONEER APPARATUS CONTAINS MAXIMUM OUTPUT POWER: 32 mW LASER OF CLASS 1. WAVELENGTH: 785 nm...
- Page 3 Polyethylene Bag(115x270x0.05) Z21-013 Polyethylene Bag Z21–038 (0.03 × 230 × 340) Operating Instructions ARE7278 (English/French) (2) CONTRAST TABLE MJ-L11/MYXJ and NVXJ are constructed the same except for the following: Part No. Symbol and Description Mark Remarks MYXJ type NVXJ type Power Cord...
- Page 4 MJ-L11 2.2 EXTERIOR " Refer to 2.3 MD Mechanism"...
- Page 5 Sensor Button L AAD7622 Sensor Button R AAD7623 Flap Plate AAP7062 Illuminate Lens AAK7896 (2) CONTRAST TABLE MJ-L11/MYXJ and NVXJ are constructed the same except for the following: Part No. Symbol and Description Mark Remarks MYXJ type NVXJ type Rear Panel ANC8002...
- Page 6 MJ-L11 2.3 MD MECHANISM ASSY CN351 CN551 CN271 CN302 CN101 CN301...
- Page 7 MJ-L11 MD MECHANISM ASSY PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CORE MAIN UNIT ASSY AWU7685 Screw JGZ17P040FMC CORE SW UNIT ASSY AWU7686 Screw PMB20P040FMC Lead Card 7P RDD1403 Servo Base Assy REA1283 Lead Wire...
- Page 8 MJ-L11 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM (MD) (REC) CN104 MD CORE MAIN UNIT IC110 (AK4519VF) Audio Codec IC103 (MSM51V4400D70TSK) DRAM IC102 (LR376487) MD PICKUP Encoder/Decoder IC101 CN101 (RF) (IR3R55M) Digital Servo RF Amp. IC107 (BD7910FV) CN102...
- Page 9 MJ-L11 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". DIGITAL IN To CD Receiver From Deck CN4103 JA4601 CN4102 12 13 10 15 12 13 10 15 IC4201...
- Page 10 MJ-L11 3.2 OVERALL CONNECTION DIAGRAM ADD7328 MD CORE SW UNIT MD CORE MAIN UNIT (AWU7686) (AWU7685) PRI ASSY (AWU7842) POWER CORD AC IN CORD...
- Page 11 MJ-L11 19P ADE7081 MAIN ASSY 1/2, (AWU7841) J4902 D15A05-100-2651 KEYL ASSY (AWU7844) J4903 J4907 TRADE ASSY KEYR ASSY (AWU7843) (AWU7845)
- Page 12 MJ-L11 3.3 MD CORE MAIN UNIT and MD CORE SW UNIT (RF) (RF) (RF) MD CORE MAIN UNIT (RF) (AWU7685) (RF) RF AMP HEAD DRIVER (REC) (REC) (REC) (REC) (REC) 5ch MOTOR DRIVER LOADING MOTOR ASSY REA1290 CARRIAGE MOTOR ASSY...
- Page 13 MJ-L11 (RF) (CD) : RF SIGNAL ROUTE : AUDIO SIGNAL ROUTE (CD) (REC) : DIGITAL SIGNAL ROUTE : AUDIO SIGNAL ROUTE (REC) (MD) : AUDIO SIGNAL ROUTE (MD) 5 10 (MD) (REC) (RF) ENC/DEC DIGITAL SERVO (MD) (MD) (REC) DRAM (4M)
- Page 14 MJ-L11 Waveforms Note: The encircled numbers denote measuring point in the schematic diagram and the PCB connection diagram. MD CORE MAIN UNIT IC101 - pin 32 (ADIPO) IC201 - pin 75 (FE MON) CN301 - pin 1 (SLD +) MODE: PLAY...
- Page 15 MJ-L11 IC201 - pin 74 (DADATA) IC401 - pin 16 (BCLK) MODE: PLAY (1kHz 0dB) MODE: PLAY (1kHz 0dB) DISC : TGYS1 or MMD-110 DISC : TGYS1 or MMD-110 V : DC1V/div. H : 0.2µsec/div. V : DC1V/div. H : 0.1µsec/div.
- Page 16 MJ-L11 Voltages of MD CORE MAIN UNIT MD CORE MAIN UNIT (1kHz 0dB PLAY) IC571 IC251 IC521 IC501(CONTROL µCOM ) (3.2VREG) IC101(RF AMP) IC201(ENC/DEC) (D-RAM) IC202(VHC08) (EEPROM) Voltage Voltage Voltage Voltage Voltage Voltage Voltage Voltage Voltage Voltage 0.77 1.22 0.96 0.77...
- Page 17 MJ-L11...
- Page 18 MJ-L11 3.4 MAIN(1/2) and PRI ASSYS MAIN ASSY (1/2) (AWU7841) (REC) (MD) (MD) 3V-5V Converter...
- Page 19 MJ-L11 (REC) (MD) CN4102 (MD) (MD) (MD) : AUDIO SIGNAL ROUTE (MD) : DIGITAL SIGNAL ROUTE (REC) : AUDIO SIGNAL ROUTE (REC) (MD) CN4103 PRI ASSY (AWU7842) : The power supply is shown with the marked box.
- Page 20 MJ-L11 3.5 MAIN(2/2), KEYR , KEYL and TRADE ASSYS KEYL ASSY TRADE ASSY (AWU7844) (AWU7843) J4907 J4903 KEYL ASSY SWITCHES S4903 : STOP TOUCH SENSER : PLAY KEYR ASSY (AWU7845) KEYR ASSY S4901 : REC SWITCHES TOUCH SENSER : EJECT...
- Page 21 MJ-L11 MAIN ASSY (2/2) (AWU7841) SYSTEM CONTROL U-COM TEST1...
- Page 22 MJ-L11 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
- Page 23 MJ-L11 4.2 MD CORE MAIN UNIT SIDE A MD CORE MAIN UNIT (ANP7378-A) IC101 IC202 IC201 IC501 IC252 IC251 IC351 IC521 Q451 IC301 SIDE B PICKUP (ANP7378-A) ASSY Q571 IC571 IC281 IC572 IC401...
- Page 24 MJ-L11 SIDE A 4.3 MAIN ASSY MAIN ASSY IC4006 IC4005 J4002 CN4952 CN551 (ANP7410-B) IC4004 IC4003...
- Page 25 MJ-L11 SIDE B MAIN ASSY (ANP7410-B) IC4202 IC4201 IC4102 Q4501 Q4051 Q4103 Q4053 Q4054 IC4203 Q4203 Q4205 IC4501 Q4052 Q4204 Q4202 Q4503 Q4502 Q4201...
- Page 26 MJ-L11 4.4 PRI, TRADE, KEYL and KEYR ASSYS SIDE A KEYL ASSY KEYR ASSY (ANP7410-B) TRADE ASSY CN4902 (ANP7410-B) PRI ASSY CN4002 IC4001 (ANP7410-B) IC4002...
- Page 27 MJ-L11 SIDE B KEYR ASSY KEYL ASSY (ANP7410-B) TRADE ASSY Q4952 Q4202 IC4951 (ANP7410-B) Q4951 PRI ASSY (ANP7410-B)
- Page 28 MJ-L11 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
- Page 29 MJ-L11 Mark No. Description Part No. Mark No. Description Part No. C4503,C4505,C4507,C4533–C4536 CKSRYB103K50 CN271 PH 6P CONNECTOR S6B–PH–SM3 C4540,C4541,C4602,C4603,C4606 CKSRYB103K50 CN101 CONNECTOR SFV28R–1ST–TFB C4517 CKSRYB472K50 CN301 CONNECTOR SFW7R–2ST–TFB C4125,C4229,C4230,C4233,C4504 CKSRYF104Z25 C4510, C4511, C4519 CKSRYF104Z25 MD CORE SW UNIT C4211, C4212, C4227, C4228...
- Page 30 MJ-L11 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS C4951 CEAT470M25 C4954, C4955 CEAT4R7M50 C4953, C4960 CKSRYB102K50 C4961, C4962 CKSRYB103K50 C4952 CKSRYB104K25 RESISTORS OtherResistors RS1/16S&&&J OTHERS 4952 5P CABLE HOLDER 51063–0505 4906 6P CABLE HOLDER 51063–0605 4951 7P CABLE HOLDER 51063–0705...
- Page 31 MJ-L11 6. ADJUSTMENT 6.1 MD SECTION ADJUSTMENT Jigs and Measuring Instructions • Thermometer • Test Disc • Oscilloscope For servo system adjustment : GGF1328 (MMD-212) For recording/playback inspection : GGF1328 (MMD-212), GGF1277 (or MMD-317) • Optical Power Meter TGYS1 (or MMD-110), Commercial discs •...
- Page 32 MJ-L11 6.1.2 Test Mode Use the Remote Control Unit of Accessory or Service Remote Control Unit (GGF1067) at the Test Mode. Note1 : It is impossible to enter the Test Mode in the Single Operation Mode. Note2 : Unit Test Mode (U-TEST) is for inspection by the function checker of the production line.
- Page 33 MJ-L11 6.1.3 MD Mechanism Assy Adjustment and Check 1 Temperature Adjustment Note : DVD Model operation key ( or CD Model operation key) . Note: When IC101 (RF-AMP) or IC501 (mechanical controller) has been exchanged or when a correction changing VD+3 has been made, be sure to correctly perform all steps up to step 2.
- Page 34 MJ-L11 4 Grating Adjustment Press the 0 (MD EJECT) key to take out the cartridge of Optical power meter in the state of step 7 of 2 , and then it is possible from steps 2 of this item. Step No.
- Page 35 MJ-L11 5 Preliminary Adjustment 5 Preliminary Adjustment It is possible from steps 3 of this item in the state of step 5 of 4 . Step No. Operation Keys and Operation Method Display Status Remarks In the Power ON state, selecting MD function,short-...
- Page 36 MJ-L11 7 Defocus Adjustment It is possible from steps 3 of this item in the state of step 5 of 6 . Step No. Operation Keys and Operation Method Display Status Remarks In the Power ON state, selecting MD function,short-...
- Page 37 MJ-L11 8 Jitter/C1 Error Check at the time of Playback Display Remarks Step No. Operation Keys and Operation Method Status In the Power ON state, selecting MD function,short- EJECT Test mode circuit the "MECHA and GNG pin". LOADING Insert the test disc GGF1328 (MMD-212).
- Page 38 MJ-L11 9 Jitter/C1 Error Check at the time of Recording/Playback Display Remarks Step No. Operation Keys and Operation Method Status In the Power ON state, selecting MD function,short- EJECT Test mode circuit the "MECHA and GNG pin". LOADING Insert the test disc GGF1277 (or MMD-317).
- Page 39 MJ-L11 7. GENERAL INFORMATION PRI ASSY 7.1 DIAGNOSIS 7.1.1 SINGLE OPERATION MODE How to enter the single operation mode 1. Connect part A of the PRI ASSY [ W108 and W109 ], short-circuit . (Refer to Fig. 6-1) 2. AC power cord to connect.
- Page 40 MJ-L11 7.1.2 POWER ON SEQUENCE Outline • When MD mechanism is normal, an operation of MD is decided whether communication is done normally. When MD mechanism does not perform a correct operation, first confirm waveform of communication. (Refere to step 1.) •...
- Page 41 MJ-L11 3. Disc insertion and TOC READ User Insert a disc TOC READ System controller command issue Mech. controller EJECT END (NO DISC state) LOAD STOP TOC READ STOP (MD mech.) • System controller always grasps the state of MD mechanism.
- Page 42 MJ-L11 7.1.3 DISASSEMBLY Bonnet, Top Panel 1, Top Panel 2 and Top Plate Illuminate Lens Illuminate Lens Bonnet KEYR Assy KEYL Assy Top Panel 2 Top Panel 1 hook hook Illuminate Top Plate Illuminate Lens Lens...
- Page 43 MJ-L11 MD Shhield and MD Mechanism KEYL ASSY KEYR ASSY Mechanism Rear side TRADE ASSY PRI ASSY MAIN ASSY × 3 MD Shield Case Go to MD Mechanism Assy MD Mechanism Assy • Removal of the MD Mechanism Assy 1 Remove a screw A.
- Page 44 MJ-L11 4 Shift part B to the position shown in the figure while raising the • Removal of the MD Pickup Under Slider. (At the same time, the Upper Slider moves to the 1 Remove the MD Head. (One screw A) front.)
- Page 45 MJ-L11 • MD Pickup Installation • Removal of the Head Lifter 1 Remove the Lifter SP. Perform installation in reverse order of the removal. (Please use care as the MD Head mounting screw can be crushed easily. 2 Tilt the Head Lifter to the rear and push part A to disengage it.
- Page 46 MJ-L11 7.2 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. PDG265A [MAIN ASSY (2/2) : IC4501] • System Control U-COM FUCTION PIN NAME NOTE ACTIVE D.MUTE...
- Page 47 MJ-L11 FUCTION PIN NAME NOTE ACTIVE PB5/SCK1PF4 D.CLK MD display communication clock output PB6/SI1 (NC) PB7/SO1 D.DATA MD display communication data output PE0/EC0 (to GND) PE1/EC1 (to GND) PE2/CINT (to GND) PE3/NM1 (to GND) PE4/PWM0 (NC) Take care to use also device test terminal...
- Page 48 MJ-L11 UDA1345TS/N2 [MD CORE MAIN UNIT : IC401] • Audio Codec IC ÷ Block Diagram ÷ Pin Function...
- Page 49 MJ-L11 8. PANEL FACILITIES AND SPECIFICATIONS Controls and Display(XC-L11) 6 PLAY/PAUSE (touch sensor) 0 EJECT (touch sensor) 7 STOP ¶ REC Disc slot PLAY/PAUSE EJECT STOP DIGITAL SYNCHRO MONO LP LP2 LP4 “ RPT–1 D.VOL Character display # Lights when an MD is playing, blinks when Basic playback controls paused.
- Page 50 MJ-L11 Remote Control for DVD Model STANDBY SYSTEM TUNER FM/AM DIRECT PLAY 3 V1/V2/V3 – VIDEO TAPE TEST MEMORY SEARCH TONE CONDITION LAST 13 5 | A–B REPEAT A–B RANDOM 14 6 | RANDOM >10 15 >10 Use to select numbers over 10...
- Page 51 MJ-L11 Remote Control for CD Model STANDBY/ON VOLUME SOUND DIRECT PLAY 3 TAPE TIMER ¢ ¡ MENU CANCEL CHARACTER GROUP DISP The MD menu functions Playback features accessed via the MD menu are: - Cancel either one or all of the GROUP CANCEL - Specify the track order of a disc.
- Page 52 MJ-L11 Specifications Recording method ....Magnetic field modulation overwriting type Playback method ..........Non-contact optical type Sampling frequency ..........44.1 kHz, 32 kHz, 48 kHz Frequency response ............... 20 Hz - 20 kHz Signal-to-Noise ratio ................98 dB Wow and flutter ............Limit of measurement (±0.001% W.PEAK) or less (EIAJ)