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MINIDISC RECORDER
MJ-L5
SURROUND PROCESSOR
SP-L5
•
This products is a system component. It combined the following components.
MINIDISC RECORDER .................... MJ-L5
SURROUND PROCESSOR ............. SP-L5
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
MJ-L5
MYXK
NVXK
•
This products is a system component.
For the system composition, refer to the service manual RRV1997 for XC-L5.
•
This product does not operate normally by itself. Please connect it to the STEREO CD RECEIVER XC-L5,
for adjustment and operation inspection. Otherwise damage may result.
CONTENTS
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................ 3
3. SCHEMATIC DIAGRAM ..................................... 14
4. PCB CONNECTION DIAGRAM .......................... 32
5. PCB PARTS LIST ............................................... 44
6. ADJUSTMENT .................................................... 49
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880
c
PIONEER ELECTRONIC CORPORATION 1998
¶
ASES
Ÿ
DELAY
MODE
TIME
Power Requirement
SP-L5
AC220-230V
AC230V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
1
¡
-
•
•
+
0
6
MINIDISC
4
¢
7
Ÿ
DOLBY SURROUND
SFC
P R O
•
L O G I C
MODE
ON/OFF
7. GENERAL INFORMATION ................................ 59
7.1 IC ................................................................. 59
7.2 DIAGNOSIS ................................................. 75
7.3 DISASSEMBLY ........................................... 77
7.4 BLOCK DIAGRAM ....................................... 82
SFC
ORDER NO.
RRV1986
Remarks
T - IZY AUG. 1998 Printed in Japan
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Summary of Contents for Pioneer MJ-L5
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Page 1: Table Of Contents
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998... -
Page 2: Safety Information
SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUTED PERSON. LABEL CHECK ( for MJ-L5/MYXK and NVXK only ) MJ-L5/MYXK Additional Laser Caution Laser pickup assy The output power at the objective lens of this assy is 0.73 mW. -
Page 3: Exploded Views And Parts List
See Contrast table (2) (Dutch/Swedish/Spanish/Portuguese) 3(2/2) Warranty Card ARY7022 2(1/2) Serial Paper RRW-168 2(2/2) (2) CONTRAST TABLE MJ-L5/MYXK and MJ-L5/NVXK are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MJ-L5/MYXK MJ-L5/NVXK Packing Case AHD7630 AHD7631... - Page 4 MJ-L5, SP-L5 2.1.2 EXTERIOR Refer to "2.1.3 TOP PANEL ASSY". Refer to "2.1.4 MD MECHANISM ASSY".
- Page 5 Screw BBZ40P060FMC Float Rubber REB1328 Float Screw RBA1133 MD Shield ANG7192 (2) CONTRAST TABLE MJ-L5/MYXK and MJ-L5/NVXK are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks MJ-L5/MYXK MJ-L5/NVXK Rear Panel ANC7675 ANC7676...
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Page 6: Top Panel Assy
MJ-L5, SP-L5 2.1.3 TOP PANEL ASSY 8(1/2) 8(2/2) • TOP PANEL ASSY PARTS LIST Mark No. Description Part No. 1 MD KEYR Unit AWU7108 2 MD KEYL Unit AWU7109 3 Top Panel AMB7515 4 Sub Panel MD AAP7049 5 MD Flap... - Page 7 MJ-L5, SP-L5 2.1.4 MD MECHANISM ASSY CN102 CN105 CN101 CN103...
- Page 8 MJ-L5, SP-L5 • MD MECHANISM ASSY PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 MD CORE MAIN Unit RWZ4326 S. Holder RNK2307 Worm Wheel RNK2309 2 MD CORE SW Unit RWZ4272 3 Lead Card 7P...
- Page 9 MJ-L5, SP-L5 2.2 SURROUND PROCESSOR (SP-L5) (1) PACKING PARTS LIST 2.2.1 PACKING Mark No. Description Part No. Packing Case See Contrast table (2) Pad F AHA7219 Pad R AHA7220 NVXK only NVXK only Sheet (750×600×0.5) Z23-007 Sub Packing See Contrast table (2)
- Page 10 MJ-L5, SP-L5 2.2.2 EXTERIOR Refer to "2.2.3 TOP PANEL ASSY".
- Page 11 MJ-L5, SP-L5 (1) EXTERIOR PARTS LIST Mark No. Description Part No. Mark No. Description Part No. PRO MAIN Unit AWU7101 Top Barrier AEC7151 PRO AMP Unit AWU7102 Rivet VEC1178 PRO TRANS Unit AWU7103 Bonnet AMA7007 PRO AUX Unit AWU7146 Name Label...
- Page 12 MJ-L5, SP-L5 2.2.3 TOP PANEL ASSY 9(1/3) 9(2/3) 9(3/3) • TOP PANEL ASSY PARTS LIST Mark No. Description Part No. 1 PRO KEYR Unit AWU7104 2 PRO KEYL Unit AWU7105 3 PRO IND Unit AWU7145 4 Top Panel AMB7516 5 Sub Panel PR...
- Page 13 MJ-L5, SP-L5...
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Page 14: Schematic Diagram
MJ-L5, SP-L5 3. SCHEMATIC DIAGRAM 3.1 MINIDISC RECORDER (MJ-L5) 3.1.1 OVERALL CONNECTION DIAGRAM MD KEYL UNIT MD KEYR UNIT (AWU7109) (AWU7108) 1/2 - MD MAIN UNIT (AWU7106) AC POWER CORD MD TRANS UNIT (AWU7107) MYXK: ADG7010 MD REG1 AC220 - 230V... - Page 15 MJ-L5, SP-L5 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". MD MECHANISM ASSY (RXA1773) MD CORE MAIN MD CORE SW UNIT UNIT (RWZ4326) (RWZ4272) CN104 RKN1039 JA4601 GP1F32R...
- Page 16 MJ-L5, SP-L5 3.1.2 MD CORE MAIN and MD CORE SW UNITS MD CORE MAIN UNIT (RWZ4326) PICKUP 10 11 LOADING MOTOR YELLOW BLACK SLED MOTOR ORANGE BLUE SPINDLE MOTOR BLACK INSIDE SW A : DISC PROTECT B : DISC MEDIA DETECT...
- Page 17 MJ-L5, SP-L5 ¶ 1 – - are waveform numbers on pages 24 and 25. SIGNAL ROUTE : PLAYBACK SIGNAL : REC SIGNAL : OUTPUT DIGITAL AUDIO SIGNAL : INPUT DIGITAL AUDIO SIGNAL : RF SIGNAL 0.01 (INSIDE) R291–R293 : 47k...
- Page 18 MJ-L5, SP-L5 3.1.3 MD MAIN (1/2), MD TRANS, MD REG1 and MD REG2 UNITS MD MAIN UNIT(1/2) (AWU7106) –4.4...
- Page 19 MJ-L5, SP-L5 : PLAYBACK SIGNAL ROUTE : RECORDING SIGNAL ROUTE : DIGITAL AUDIO SIGNAL ROUTE –4.4 MD REG1 MD REG2 UNIT UNIT (AWU7154) (AWU7155) 13.3 MD TRANS UNIT POWER TRANSFORMER (AWU7107) FU1: AEK1047 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
- Page 20 MJ-L5, SP-L5 3.1.4 MD MAIN (2/2) , MD KEYR and MD KEYL UNITS MD MAIN UNIT (2/2) (AWU7106) MD KEYR UNIT (AWU7108) MD KEYL UNIT (AWU7109)
- Page 21 MJ-L5, SP-L5...
- Page 22 MJ-L5, SP-L5 Voltages MD CORE MAIN UNIT IC101 IC102 IC103 IC104 VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 1.53V 1.59V 0.78V 1.2V 0.54V 0.73V 3.18V 1.2V 0.6V 0.77V 1.65V 3.0V 0.22V 0.6V 0.75V 1.59V 2.0V 0.03V 0.6V...
- Page 23 MJ-L5, SP-L5 IC106 IC108 IC109 IC110 IC112 IC113 VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 2.47V 2.77V 1.66V 4.95V 1.6V 0.49V 2.63V 2.77V 3.2V 1.62V 3.96V 1.61V 4.87V 3.2V 1.62V 4.99V 2.63V 1.58V 3.2V 4.99V 1.59V 1.58V...
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Page 24: Pcb Connection Diagram
MJ-L5, SP-L5 Waveforms Note: The encircled numbers denote measuring point in the schematic diagram and the PCB connection diagram. MD CORE MAIN UNIT IC101-pin35 (ADIPO) IC101-pin30 (WBO) IC102-pin1 (EFM MON) MODE: PLAY MODE: PLAY MODE: PLAY DISC: GGF1328 (MMD–212) DISC: GGF1328 (MMD–212) DISC: TGTS1 or MMD–110... - Page 25 MJ-L5, SP-L5 CN103-pin1 (SLD +) CN103-pin4 (SP +) CN105-pin1 (LOAD –) MODE: PLAY MODE: PLAY MODE: STOP DC500mV/div., 2mSec/div. DC500mV/div., 5mSec/div. DC1V/div., 1mSec/div. –– GND –– GND –– GND CN105-pin1 (LOAD –) MODE: EJECT DC1V/div., 1mSec/div. –– GND...
- Page 26 MJ-L5, SP-L5 3.2 SURROUND PROCESSOR (SP-L5) 3.2.1 OVERALL CONNECTION DIAGRAM PRO KEYR UNIT (AWU7104) PRO KEYL UNIT PRO IND UNIT (AWU7105) (AWU7145) IC3551 IC3571 IC3701 BUFFER1 PRO AMP UNIT FUNC1 DOLBY (AWU7102) IC3201 IC3001 +10dB AMP REAR & CENTER VOL.
- Page 27 MJ-L5, SP-L5 PRO AUX UNIT (AWU7146) IC3501 IC3531 BUFFER2 FUNC2 1/2, PRO MAIN UNIT (AWU7101) SPEAKER...
- Page 28 MJ-L5, SP-L5 3.2.2 PRO MAIN (1/2), PRO TRANS and PRO AMP UNITS –9.4 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 491001 FOR IC11 AND IC12 NO. 491007 FOR IC21 AND IC22 MFD. BY –6.8...
- Page 29 MJ-L5, SP-L5 PRO MAIN UNIT (AWU7101) IC3201(1/2) R3461 100 R3462 100 L3461,L3462 : ATH-059 AKE7042 IC3201(2/2) POWER AMP –25.3 R3617,R3618 : ACN7032 26.5 : C CH AUDIO SIGNAL ROUTE : S CH AUDIO SIGNAL ROUTE PRO AMP UNIT (AWU7102) –26.5...
- Page 30 MJ-L5, SP-L5 3.2.3 PRO MAIN (2/2), PRO KEYR, PRO IND, PRO KEYL and PRO AUX UNITS PRO KEYR UNIT PRO KEYL UNIT (AWU7104) (AWU7105) PRO IND UNIT (AWU7145) S5921,S5922 : RSG1030 S5901,S5902 : RSG1031 AC PULSE IC5501 PDC046A PRO KEYR UNIT...
- Page 31 MJ-L5, SP-L5 PRO MAIN UNIT (AWU7101) IC3531(2/2) NJM4558MD (PB) D5201–D5204 : UDZ15B IC3531(1/2) (REC) NJM4558MD (PB) IC3571(2/2) NJM4558MD (REC) (PB) (PB) IC3571(1/2) NJM4558MD (VCR) (VCR) (REC) (REC) (DVD) (DVD) (REC) (REC) (REC) (VCR) (VCR) (VCR) (DVD) (DVD) (DVD) PRO AUX UNIT (AWU7146)
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Page 32: Pcb Connection Diagram
B C E Field effect SIDE B Chip Part P.C.Board transistor Resistor array 3-terminal regulator 4.1 MINIDISC RECORDER (MJ-L5) 4.1.1 MD CORE SW UNIT MD CORE SW UNIT SPINDLE MOTOR SLED MOTOR (RNP1721-B) CN103 SIDE A SIDE B... - Page 33 MJ-L5, SP-L5 4.1.2 MD CORE MAIN UNIT ¶ 1 – - are waveform numbers on pages 24 and 25. MD CORE MAIN UNIT SIDE A CN701 10 11 (RNP1721-B) IC101 IC106 IC102 IC103 IC104 IC114 Q101 Q102 SIDE B LOADING...
- Page 34 MJ-L5, SP-L5 4.1.3 MD MAIN UNIT STEREO CD RECEIVER (XC-L5) SURROUND PROCESSOR (SP-L5) DECK (CT-L5) IC4183 CN104 IC4022 IC4025 IC4080 IC4024 Q4014 Q4012 IC4051 Q4020 IC4013 IC4014 J4901 Q4018 CN4011 MD MAIN UNIT SIDE A (ANP7249-B)
- Page 35 MJ-L5, SP-L5 Q4015 Q4017 Q4101 Q4104 Q4102 IC4101 Q4108 Q4103 Q4243 Q4022 IC4250 IC4171 Q4260 Q4151 Q4262 IC4240 Q4242 Q4241 IC4301 Q4021 IC4201 Q4019 Q4040 Q4015 Q4013 Q4202 Q4204 Q4230 Q4232 Q4201 IC4202 Q4016 Q4017 MD MAIN UNIT SIDE B...
- Page 36 MJ-L5, SP-L5 4.1.4 MD TRANS, MD REG1, MD REG2, MD KEYR and MD KEYL UNITS CN4012 AC POWER CORD IC4012 IC4052 IC4011 IC4016 IC4015 MD TRANS UNIT REG2 REG1 UNIT UNIT (ANP7249-B) MD KEYL UNIT CN4102 MD KEYR UNIT SIDE A...
- Page 37 MJ-L5, SP-L5 MD TRANS UNIT REG1 REG2 UNIT UNIT (ANP7249-B) MD KEYL UNIT MD KEYR UNIT SIDE B D E F G H...
- Page 38 MJ-L5, SP-L5 4.2 SURROUND PROCESSOR (SP-L5) 4.2.1 PRO MAIN, PRO AMP and PRO AUX UNITS PRO AUX UNIT PRO MAIN UNIT J5901 STEREO CD RECEIVER (XC-L5) MINIDISC RECORDER (MJ-L5) DECK (CT-L5) IC21 IC22 IC11 IC12 SIDE A...
- Page 39 MJ-L5, SP-L5 PRO AMP UNIT (ANP7248-B) IC22 IC12 SIDE A...
- Page 40 MJ-L5, SP-L5 PRO AMP UNIT PRO M Q3491–Q3494 (ANP7248-B) Q53–Q56 IC3201 IC3001 Q3611–Q3613 Q3521 Q3601–Q3603 Q3621 Q3651–Q3653 Q3522 SIDE B...
- Page 41 MJ-L5, SP-L5 PRO MAIN UNIT PRO AUX UNIT Q3051–Q3053 IC3701 Q5566–Q5568 Q5571 Q5562–Q5564 IC5501 Q3523 Q5561 Q3521 IC3501 IC3571 Q3561 IC3551 Q5565 Q3522 Q3501 Q3502 Q3562 IC3531 SIDE B...
- Page 42 MJ-L5, SP-L5 4.2.2 PRO TRANS, PRO KEYR, PRO IND and PRO KEYL UNITS PRO TRANS UNIT AC POWER CORD PRO KEYR UNIT (ANP7248-B) CN11 PRO IND UNIT CN13 PRO KEYL UNIT SIDE A J L M N...
- Page 43 MJ-L5, SP-L5 PRO TRANS UNIT PRO KEYR UNIT (ANP7248-B) PRO IND UNIT PRO KEYL UNIT SIDE B J L M N...
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Page 44: Pcb Parts List
562 × 10 → 5621 ............RN1/4PC 5 6 2 1 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS 5.1 MINIDISC RECORDER (MJ-L5) C115 CCSQCH101J50 C119,C120 CCSQCH120J50 LIST OF ASSEMBLIES C146 CCSQCH121J50 MD CORE UNIT RWM2055 C125... - Page 45 MJ-L5, SP-L5 Mark No. Description Part No. Mark No. Description Part No. C4014 CEAT221M25 MD CORE SW UNIT C4222 CEAT330M25 C4026,C4030,C4031,C4036,C4061 CEAT470M16 SWITCHES C4171 CEAT470M16 C4323,C4324 CEAT4R7M50 S701 RSF1009 S702 RSF1010 C4110,C4114,C4255,C4256 CKSQYB102K50 C4701,C4702 CKSQYB102K50 RESISTORS C4325,C4326 CKSQYB104K25 All Resistors...
- Page 46 MJ-L5, SP-L5 Mark No. Description Part No. Mark No. Description Part No. 5.2 SURROUND PROCESSOR (SP-L5) MD REG1 UNIT LIST OF ASSEMBLIES SEMICONDUCTOR IC4015 BA17805T PROCOMP ASSY AWM7378 PRO MAIN UNIT AWU7101 OTHERS PRO AMP UNIT AWU7102 PRO TRANS UNIT...
- Page 47 MJ-L5, SP-L5 Mark No. Description Part No. Mark No. Description Part No. C3727 CCSQSL681J50 PRO TRANS UNIT C3741,C3744 CEANL3R3M50 C3737,C3739,C3746,C3748 CEANL4R7M25 SEMICONDUCTORS C3523,C3524,C3563,C3564,C3611 CEAT100M50 C3703-C3706,C3709,C3715 CEAT100M50 AEK7003 IC3,IC4 AEK7017 C3718-C3720,C3732,C3733,C52 CEAT100M50 BA17805T C5562 CEAT100M50 2SC2458 C3013,C5504 CEAT101M10 DTA124EK C5571 CEAT1R0M50...
- Page 48 MJ-L5, SP-L5 Mark No. Description Part No. Mark No. Description Part No. OTHERS RESISTORS 3401 12P CABLE HOLDER 51048-1200 All Resistors RS1/10S J3401 JUMPER WIRE 12P D20PDY1230G OTHERS 3051 10P CABLE HOLDER 51063-1005 3052 6P PIN JACK AKB7012 PRO KEYR UNIT...
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Page 49: Adjustment
MJ-L5, SP-L5 6. ADJUSTMENT 6.1 MINIDISC RECORDER (MJ-L5) JIGS AND MEASURING INSTRUMENTS Thermometer Test Disc Oscilloscope For servo system adjustment ..........GGF1328 (MMD-212) Optical Power Meter For recording/playback inspection ....GGF1328 (MMD-212), GGF1277, Jitter Meter TGYS1 (or MMD-110), Commercial discs 6.1.1 NECESSARY ADJUSTMENT POINTS... -
Page 50: Test Mode
Note: Although the MJ-L5 and XC-L7 can be directly connected, unrelated characters may be displayed in the rightmost two digits as they differ in the number of digits for display. And they also differ in the power source, no playback sound is obtained from the receiver. - Page 51 MJ-L5, SP-L5 (3) Independent operation mode (Aging mode) 1 Short-circuit the jumper wires W205 and W4106 on the MD MAIN UNIT. 2 Independent operation mode (Aging mode) can be initiated by short-circuiting the S. REQ connector (pin 4) of the system bus (MD MAIN UNIT : CN4702) with the GND connector (pin 14) for 3 seconds after AC power is applied.
- Page 52 MJ-L5, SP-L5 6.1.3 MD Mechanism Assy Adjustment and Check 1 Temperature Check (Please perform this check soon after the power has been switched on.) Note: When IC101 (RF-AMP) or IC104 (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 7.
- Page 53 MJ-L5, SP-L5 3 Grating Adjustment Step No. Operation Keys and Operation Method FL Display Status Remarks Short circuit MECH TEST MODE during the power EJECT Test mode ON, or press the ESC key. (Service remote control unit)(Fig.1) Insert the test disc GGF1328 (MMD-212).
- Page 54 MJ-L5, SP-L5 4 Preliminary Adjustment Step No. Operation Keys and Operation Method FL Display Status Remarks Press the STOP key. RST YOBI Return to menu display Press the ASES key (until AUT YOBI is displayed). AUT YOBI Preliminary adjustment mode...
- Page 55 MJ-L5, SP-L5 6 Defocus adjustment Step No. Operation Keys and Operation Method FL Display Status Remarks Press the REC key. of-04 c0020 The C1 error with application of a focus offset of about 0.4 µm on the – side is displayed.
- Page 56 MJ-L5, SP-L5 7 Jitter/C1 Error Check at the time of Playback Step No. Operation Keys and Operation Method FL Display Status Remarks Press the CANCEL (for Remote control unit) key. a006F c0017 The fixed display of the C1 error is ended.
- Page 57 MJ-L5, SP-L5 Jitter/C1 Error Check at the time of Recording/Playback Step No. Operation Keys and Operation Method FL Display Status Remarks Short circuit MECH TEST MODE during the power EJECT Test mode ON, or press the ESC key. (Service remote control unit)(Fig.1) Insert the test disc (GGF1277).
- Page 58 MJ-L5, SP-L5 6.2 SURROUND PROCESSOR (SP-L5) 6.2.1 HOW TO ENTER / CANCEL TEST MODE TEST MODE : ON Note : This step is independent operation mode only. W171 Short circuit ENTER THE TEST MODE Short circuit VOLUME : 20 FUNCTION : DVD...
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Page 59: General Information
MJ-L5, SP-L5 7. GENERAL INFORMATION 7.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • List of IC M5M4V4400CTP-7, M56758FP, PD5450A, LR376481, BD7910FV, BR93LC56F, IR3R55M, AK4520A, PDG225A,... - Page 60 MJ-L5, SP-L5 M56758FP (MD CORE MAIN UNIT : IC106) • 5-channel Actuator Driver • • Pin Assignment (Top View) Block Diagram REG+ CH3IN VBS2 – IN3– VBS1 REGB OUT3 IN3+ IN1+ – OUT3 IN1+ IN3– IN1– OUT1 CH3IN VBS1 VBS2...
- Page 61 MJ-L5, SP-L5 PD5450B (MD CORE MAIN UNIT : IC104) • Mechanism Control microcomputer • Pin Assignment (Top View) • Block Diagram I/O PORT Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6 Internal Peripheral A/D Converter Functions (10bits ×...
- Page 62 MJ-L5, SP-L5 • Pin Function Name Description 1 to 7, 100 P96 to P90, P97 I/O These are 8 bit I/O ports with the same functions as P0. By software selection, it functions as the input terminals for the timers B0 to B2, the output terminals for the D/A converter, the expansion input terminals of the A/D converter, or the A/D trigger input terminals.
- Page 63 MJ-L5, SP-L5 Name Description 55 to 61, 63 P37 to P31, P30 I/O These are 8 bit I/O ports with the same functions as P0. A15 to A9, A8 The middle 8 bits (A8 to A15) of the address are put out.
- Page 64 MJ-L5, SP-L5 LR376481 (MD CORE MAIN UNIT : IC102) • Encode/Decode/Atrac • Pin Assignment (Top View) 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51...
- Page 65 MJ-L5, SP-L5 Name Description Name Description RAA4 Address output to external D-RAM; ADR4 Digital input signal DOUT Digital output signal RAA8 Address output to external D-RAM; ADR8 VDD3 – Power supply for internal PLL RAOEX Data output enable signal output to external D- DGND –...
- Page 66 MJ-L5, SP-L5 BD7910FV (MD CORE MAIN UNIT : IC116) • Head Driver • Block Diagram Name Description PDGND Predrive GND EFM signal input Pre Driver MUTE Mute control N.C. N.C. Not used N.C. VOD2 Sink output (lower side power MOS drain) H-bridge GND (lower side power MOS source) •...
- Page 67 MJ-L5, SP-L5 IR3R55M (MD CORE MAIN UNIT : IC101) • RF Signal Processor • Block Diagram Name Description ∗ XDISC Logic signal output terminal (outputs DISC signal inversion signal) ∗ XSGAIN Logic signal output terminal (outputs SGAIN signal ADIPI inversion signal)
- Page 68 MJ-L5, SP-L5 AK4520A (MD MAIN UNIT : IC4301) • AD/DA Converter • Block Diagram AGND DGND 15 MCLK ∆Σ AINL+ Clock Decimation Modulator Filter Divider AINL- 25 CMODE ∆Σ AINR+ Decimation 11 LRCK Modulator Filter AINR- 12 SCLK VREFH 14 SDTO...
- Page 69 MJ-L5, SP-L5 PDG225A (MD MAIN UNIT : IC4101) • System Control IC • Pin Function l l o l l o l l o l l o l l o l l o l l o l l o −...
- Page 70 MJ-L5, SP-L5 • Power on sequence of MD microcomputer Power on check Power can not on by MD key operation if DEMO mode Is DEMO mode ? information from the CD receiver is not received. Did the power turn on by the CD receiver, and receive System power on ? power on of the system bus communication.
- Page 71 MJ-L5, SP-L5 • Rise-up sequence after AC power is applied of MD microcomputer Reset Release the hardware reset. Initialize the Set the port status. internal data Bus data System bus communication : Transfer the system power off request. transmission The waiting time until power supply rise-up and becomes stable.
- Page 72 MJ-L5, SP-L5 LV1035M (PRO MAIN UNIT : IC3701) • Dolby Prologic IC • Block Diagram R-BPF2 L-BPF2 R-BPF1 L-BPF1 RECT RECT LOCDIFF LOCDIFF S-DC-OUT RT-IN RECT RECT C-DC-OUT LT-IN R-DC-OUT DC-OUT C-MODE L-DC-OUT VREF VREF CHCONT BPL-CONT NS-BPF1 C-MODE S-MODE...
- Page 73 MJ-L5, SP-L5 PDC046 (PRO MAIN UNIT : IC5501) • System Control IC • Pin Function ∗ ∗ − − l a i l a i − l a i − l l u − ∗ ∗ − − ∗...
- Page 74 MJ-L5, SP-L5 • Rise-up sequence after AC power applied of processor microcomputer Reset Release the hardware reset. Initialize the Set the port status. internal data Bus data System bus communication process. transmission Perform the process every 30 msec. 30 msec. passed ?
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Page 75: Diagnosis
MJ-L5, SP-L5 7.2 DIAGNOSIS DETAILS OF ERROR DISPLAY Error Display Details of Error Measure ÷ DEFECT occurred 10 times continuously during REC-PLAY. ÷ Check if there are scratches, dusts, fingerprints, or black Can't REC ÷ Recordable cluster became 0 since DEFECT occurred during spots on disc. - Page 76 MJ-L5, SP-L5 Error Display Details of Error Measure ÷ TOC read was incorrect or could not be read properly. ÷ The TOC data recorded on the disc do not comply with ? DISC MD Standards, so try using another disc.
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Page 77: Disassembly
MJ-L5, SP-L5 7.3 DISASSEMBLY 7.3.1 MINIDISC RECORDER (MJ-L5) (1) Bonnet and Top Panel (2) MD MAIN UNIT and MD MECHANISM ASSY × 2 Bonnet Shield Barrier Unhook 5 Unhook (×2) ×2 MD Shield ×2 MD MAIN UNIT Top Panel MD MECHANISM Assy... - Page 78 MJ-L5, SP-L5 (3) MD MECHANISM ASSY Removal of the Servo Mechanism Assy 1 Remove the screw A. 2 Disconnect the connectors (CN102, CN103, CN105), open the hook of part A, and tilt the upper side of the MD CORE MAIN UNIT to the front.
- Page 79 MJ-L5, SP-L5 Removal of the MD Pick-up Screw A 1 Remove the MD Head. (One screw A) (M1.7 × 4) 2 Remove the Screw Guide at the lower side of the MD Pick-up. (One screw B) MD Head Remove the hook after the 3 Remove the S.
- Page 80 MJ-L5, SP-L5 Removal of the Head Lifter Head Lifter Installation 1 Remove the Lifter SP. 1 Install part A in the Servo Base with the Head Lifter tilted to the 2 Tilt the Head Lifter to the rear and push part A to disengage it.
- Page 81 MJ-L5, SP-L5 7.3.2 SURROUND PROCESSOR (SP-L5) (1) Rear Case (3) PRO MAIN UNIT ×3 Top Barrier Rear Case ×3 (2) Bonnet and Top Panel × 2 Bonnet Unhook PRO MAIN UNIT 5 Unhook Top Panel...
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Page 82: Block Diagram
MJ-L5, SP-L5 7.4 BLOCK DIAGRAM 7.4.1 MINIDISC RECORDER (MJ-L5) - Page 83 MJ-L5, SP-L5 7.4.2 SURROUND PROCESSOR (SP-L5) POWER SUPPLY BLOCK – B V + 5 V + 9 MAIN TRANSFORMER V – 9 V – 7 D1 – D4 E + 5 SUB TRANSFORMER SIGNAL ROUTE BLOCK VCR OUT IC3201 IC3551...
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Page 84: Panel Facilities And Specifications
MJ-L5, SP-L5 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES 8.1.1 MINIDISC RECORDER (MJ-L5) MINIDISC ASES PRO LOGIC AUTO MARK MONO LP TIMER WAKE SLEEP DIGITAL ASES TUNED STEREO MONO This unit is not provided with its own display section; the following 1 Recording button (¶) - Page 85 This selector is used to switch between system components (XC- 2 Ÿ (Dolby) MODE indicator L5, CT-L5, and MJ-L5) and main unit operations. When set to 3 Delay Time button SYSTEM, the remote control unit can be used to operate the CD receiver, cassette deck, and MiniDisc recorder.
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Page 86: Specifications
MJ-L5, SP-L5 8.2 SPECIFICATIONS 8.2.1 MINIDISC RECORDER (MJ-L5) 8.2.2 SURROUND PROCESSOR (SP-L5) Recording Method Magnetic field modulation Continuous Power Center (RMS) ..........30 W (1 kHz, THD 10%, 8 Ω) overwriting type Playback Method ........Non-contact optical type Continuous Power Rear (RMS) ..........30 W (1 kHz, THD 10%, 8 Ω)