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SERVICE MANUAL

MD / CD

STEREO SYSTEM

BASIC CD MECHANISM : DA23L
BASIC MD MECHANISM : AZG-H YA

XR-MD811

S/M Code No. 09-00C-438-0R1

REVISION

• This Service Manual is the “Revision” and replaces “Simple Manual”

XR-MD811(EZ), (S/M Code No. 09-008-438-0T1).

• If requiring information about the MD mechanism, see Service Manual of
AZG-H, (S/M Code No. 09-005-346-5N2).

XR-MD811

SYSTEM

STEREO

RECEIVER

RX-LMD811

REMOTE

CONTROLLER

RC-AAT21

STEREO MD RECORD/

COMPACT DISC PLAYER

SPEAKER

FM-LMD811

SX-LM810

Summary of Contents for FM-LMD811

Page 1: ...S I O N This Service Manual is the Revision and replaces Simple Manual XR MD811 EZ S M Code No 09 008 438 0T1 If requiring information about the MD mechanism see Service Manual of AZG H S M Code No 09 005 346 5N2 XR MD811 SYSTEM STEREO RECEIVER RX LMD811 REMOTE CONTROLLER RC AAT21 STEREO MD RECORD COMPACT DISC PLAYER SPEAKER FM LMD811 SX LM810 ...

Page 2: ...DED VIEW 1 1 23 MECHANICAL PARTS LIST 1 1 24 MODEL NO FM LMD811 ELECTRICAL MAIN PARTS LIST 25 27 TRANSISTOR ILLUSTRATION 28 WIRING 1 FUNC KEY MOTOR DOOR SW 29 WIRING 2 FRONT POWER LED L LED R 30 SCHEMATIC DIAGRAM 1 FUNC FRONT POWER KEY MOTOR DOOR SW LED L LED R 31 WIRING 3 CD 1 2 32 WIRING 3 CD 2 2 33 SCHEMATIC DIAGRAM 2 CD 1 2 34 SCHEMATIC DIAGRAM 3 CD 2 2 35 IC BLOCK DIAGRAM 36 IC DESCRIPTION 37...

Page 3: ...LAYER FM LMD811 Compact disc player section Laser Semiconductor laser λ 780 nm D A converter 1 bit dual Signal to noise ratio 85 dB 1 kHz 0 dB Harmonic distortion 0 05 1 kHz 0 dB Wow and flutter Unmeasurable SPECIFICATIONS MD recorder section Scanning method Non contact optical scanner Semiconductor laser application Recording system Magnetic polarity modulation overwrite system Rotation speed App...

Page 4: ...t entraîner une dangereuse exposition aux radiations ADVARSEL Usynlig laserståling ved åbning når sikkerhedsafbrydereer ude af funktion Undgå udsættelse for stråling This Compact Disc player is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear exterior This set employs laser Therefore be sure to follow carefully the instructions below when servicing WARNI...

Page 5: ...SEMBLY 1 Removing the Ornament Parts 1 Remove the two screws 2 Remove the two screws 3 Remove the eight screws and remove PANEL REAR 4 Remove the FFC from the connector 1 and remove PANEL TOP 2 DISASSEMBLY INSTRUCTIONS ...

Page 6: ...emoving the CD Block 1 Remove the two screws and remove the entire CD block 2 The figure shows the states after the CD block is removed 3 Removing the MD Block 1 Remove the four screws and remove the MD block ...

Page 7: ...OR 3300P 50 C281 87 010 401 080 CAP ELECT 1 50V C282 87 010 263 080 CAP ELECT 100 10V C283 87 010 380 080 CAP ELECT 47 16V C284 87 010 260 080 CAP ELECT 47 25V CN101 87 A60 813 010 CONN 8P H BLK TAC L8P CN102 87 A60 813 010 CONN 8P H BLK TAC L8P CN115 87 A60 624 010 CONN 7P V 2MM JMT CN203 87 A60 109 010 CONN 2P V S2M 2W J201 87 A60 420 010 JACK 3 5 ST MSC J202 87 099 801 010 JACK PIN 1P BLK W O S...

Page 8: ... 080 CAP U 0 01 25 C715 87 012 195 080 C CAP U 100P 50CH C717 87 012 286 080 CAP U 0 01 25 C719 87 012 286 080 CAP U 0 01 25 C720 87 012 195 080 C CAP U 100P 50CH C721 87 012 176 080 CAP 15P C722 87 012 176 080 CAP 15P C723 87 012 274 080 CHIP CAP U 1000P 50B C727 87 010 196 080 CHIP CAPACITOR 0 1 25 C728 87 010 248 080 CAP ELECT 220 10V C729 87 012 274 080 CHIP CAP U 1000P 50B C731 87 012 286 080...

Page 9: ...6P H GRY TUC P16X C1 FFE801 A8 6ZA 191 130 6ZA 1 FEENM J801 87 033 241 010 TERMINAL ANT 2P AJ 2039 L771 87 A50 266 010 COIL FM DET 2N TOK L772 87 A91 110 010 FLTR PCFJZH 450 TOK L781 87 005 847 080 COIL 2 2UH CECS L791 87 A50 027 010 COIL 1 POLE MPX TOK L792 87 A50 027 010 COIL 1 POLE MPX TOK L832 87 005 847 080 COIL 2 2UH K CECS L851 87 005 847 080 COIL 2 2UH K CECS L941 87 A50 020 010 COIL ANT L...

Page 10: ...N E C B CSC4115 E C B CSD655 KTA1266 KTC3198 2SK2158 2SA1235 2SC2714 2SC3052 2SC3906 CMBT5401 CSD1306 2SB1370 2SK543 B C E B C E G D S G S D DTA123JK DTC124EK RT1N141C RT1P141C RT1P144C E C B CSD1489 CC5551 B C E 2SD2495 2SB1626 ...

Page 11: ...WIRING 1 POWER 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 11 A B C D E F G H I J K L M N O P Q R S T U ...

Page 12: ...WIRING 2 PWR AMP 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 12 A B C D E F G H I J K L M N O P Q R S T U ...

Page 13: ...WIRING 3 PT MAIN PT SUB 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 13 A B C D E F G H I J K L M N O P Q R S T U ...

Page 14: ...WIRING 4 TU INF JACK 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 14 A B C D E F G H I J K L M N O P Q R S T U ...

Page 15: ...SCHEMATIC DIAGRAM 1 POWER PWR AMP PT MAIN PT SUB TU INF JACK 15 ...

Page 16: ...WIRING 5 FRONT LED 1 3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 16 A B C D E F G H I J K L M N O P Q R S T U ...

Page 17: ... 17 SCHEMATIC DIAGRAM 2 FRONT LED 1 LED 2 LED 3 ...

Page 18: ...WIRING 6 TUNER 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U 18 ...

Page 19: ...SCHEMATIC DIAGRAM 3 TUNER 19 ...

Page 20: ...IC BLOCK DIAGRAM 20 ...

Page 21: ... 21 LCD DIAGRAM LCD ASSY ACJ 6 ...

Page 22: ...tings Test point TP8 Lch TP9 Rch Adjustment location L941 144kHz TC942 290kHz Method Set up TC942 to center before adjustment The level at 144kHz is adjusted to maximum by L941 Then the level at 290kHz is adjusted to maximum by TC942 6 AM IF Adjustment Settings Test point TP8 Lch TP9 Rch Adjustment location L772 450kHz 7 FM VT Check Settings Test point TP1 VT Method Set to FM 108 0MHz and check th...

Page 23: ... 1 2 PWB PWB PWB PWB PWB SH LCD PWB PWB PWB PWB ZZA 1 PWB 3 3 4 12 6 7 8 9 F 10 11 C C C E C D D PT 15 13 14 16 18 18 CHAS MAIN AMP 5 PLATE SHLD PT 17 G C C C C C C SH SUB PT HT SINK ASSY HT SINK B PLATE SUB PT E 19 20 21 22 F 23 H TUBU UL 12 140 ...

Page 24: ...D E 21 8A CU2 012 010 CABI REAR AMP EZ 22 8A CU2 004 010 CABI BOTTOM AMP 23 8Z CL1 663 010 FAN MF40D 12 200MM A 87 B10 332 010 BVT2 3 6 W O SLOT CR B 87 B10 324 010 BVT2 3 8 W O SLOT CR C 87 067 703 010 TAPPING SCREW BVT2 3 10 D 87 067 585 010 TAPPING SCREW BVTT 4 6 E 87 067 579 010 TAPPING SCREW BVT2 3 8 F 87 591 095 410 QIT 3 5 G 87 067 758 010 BVT2 3 12 W O SLOT H 87 751 096 410 VT2 3 10 W O SL...

Page 25: ...7 010 196 080 CHIP CAPACITOR 0 1 25 C556 87 016 044 040 CAP E 100 16 GAS C557 87 010 498 040 CAP E 10 16 GAS C558 87 010 197 080 CAP CHIP 0 01 DM C559 87 010 197 080 CAP CHIP 0 01 DM C560 87 010 494 040 CAP E 1 50 GAS C561 87 010 494 040 CAP E 1 50 GAS C575 87 010 493 040 CAP E 0 47 50 GAS C576 87 010 493 040 CAP E 0 47 50 GAS C577 87 012 154 080 C CAP S 150P 50 CH C578 87 012 154 080 C CAP S 150P...

Page 26: ...0 CAP CHIP 0 01 DM C75 87 010 176 080 C CAP S 680P 50 SL C76 87 010 176 080 C CAP S 680P 50 SL C77 87 012 154 080 C CAP S 150P 50 CH C78 87 012 154 080 C CAP S 150P 50 CH C79 87 010 075 040 CAP E 10 16 5L C80 87 010 075 040 CAP E 10 16 5L C81 87 010 181 080 CAP CHIP S 1800P C82 87 010 181 080 CAP CHIP S 1800P C83 87 010 154 080 CAP CHIP 10P C84 87 010 154 080 CAP CHIP 10P C85 87 010 805 080 CAP S ...

Page 27: ...2 8A CR2 662 010 CONN ASSY 3P 2MM M351 87 A91 069 010 MOT RF 370CA 15370 DOOR SW C B CN352 87 099 827 010 CONN 3P V S2M 3W S351 87 036 109 010 SW MICRO SPPB61 S352 87 036 109 010 SW MICRO SPPB61 LED L C B CN307 87 A60 109 010 CONN 2P V S2M 2W LED315 87 A40 678 010 LED SELU1E10CXM BLUE DEF LED R C B CN308 87 A60 109 010 CONN 2P V S2M 2W LED316 87 A40 678 010 LED SELU1E10CXM BLUE DEF 8 8 A Resistor ...

Page 28: ... 28 TRANSISTOR ILLUSTRATION E C B CSD655 KTC3198 2SK2158 DTA144TKA RT1N141C RT1P141C RT1N144C B C E G D S E C B 2SA1015 2SA1979 2SB1370 B C E E C B 2SC5395 ...

Page 29: ...WIRING 1 FUNC KEY MOTOR DOOR SW 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 29 A B C D E F G H I J K L M N O P Q R S T U ...

Page 30: ...WIRING 2 FRONT POWER LED L LED R 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 A B C D E F G H I J K L M N O P Q R S T U ...

Page 31: ...SCHEMATIC DIAGRAM 1 FUNC FRONT POWER KEY MOTOR DOOR SW LED L LED R 31 ...

Page 32: ...WIRING 3 CD 1 2 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 32 A B C D E F G H I J K L M N O P Q R S T U ...

Page 33: ...WIRING 3 CD 2 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 A B C D E F G H I J K L M N O P Q R S T U ...

Page 34: ... 34 SCHEMATIC DIAGRAM 2 CD 1 2 ...

Page 35: ...SCHEMATIC DIAGRAM 3 CD 2 2 35 ...

Page 36: ...IC BLOCK DIAGRAM 36 ...

Page 37: ...ut pin Sled drive output The current which determines height of the focus search track jump and sled kick is input with external resistance connected Power supply L setting starts sled disorder prevention circuit Clock input for serial data transfer from CPU Latch input from CPU Serial data input from CPU Reset system at L setting Signal output for track number counting FZC DFCT1 TZC BALH TGH FOH ...

Page 38: ...ifier inverted input pin These pins are connected to the A C and B C pins of the optical pickup receiving by currents input Bias adjustment pin of the focus error amplifier Not used F and EIV amplifier inverted input pins These pins are connected to the F and E of the optical pickup receiving by current input Gain adjustment pin of the I V amplifier E When not in use of BAL automatic adjustment No...

Page 39: ...ensive EFM PLL VCO2 oscillator output for extensive EFM PLL VCO2 control voltage input for extensive EFM PLL Connected to GND Charge pump output for master PLL Filter slave digital PLL output for master PLL Filter input for master PLL Analog GND VCO control voltage input for master Analog power 5V EFM signal input Constant current input to asymmetry circuit Comparison voltage input to asymmetry ci...

Page 40: ...tive the H setting Connected to GND Analogue GND Analogue power supply 5V Lch analogue output terminal Lch OP AMP input terminal Lch LINE output terminal Analogue GND Power supply for master clock Input terminal for crystal oscillator circuit Input external master clock from this terminal Output terminal for crystal oscillator circuit GND terminal for master clock Analogue GND Rch LINE output term...

Page 41: ...Y input A D 20 I KEY0 AD I 21 I ENCODER AD I Waveform input for rotary encoder A D coverter input 22 O LED BL1 O Blue LED ON OFF control output 23 O LED BL2 O Blue LED ON OFF control output 24 O LED AM1 O Umber LED ON OFF control output 25 O LED AM2 O Umber LED ON OFF control output 26 I LEVEL AD I Level meter A D converter input 27 I RDS CLK TU I RDS clock input 28 I TMBASE I Reference clock inpu...

Page 42: ...IC control output 80 O L MUTE O Line out mute ON OFF control output 81 O OPEN O CD tray open data output 82 O CLOSE O CD tray close data output 83 NC Not connected 84 O LCD STB O LCD control data latch strobe output 85 O LCD CLK O LCD control clock output 86 O LCD DATA O LCD control clock output 87 O P ON O System power supply ON OFF output 88 O CD ON O CD ON OFF control output 89 VSS2 GND 90 VDD2...

Page 43: ... scratches or stains Note that correct adjustment depends on the condition of the disc Never perform the MD block electrical adjustment with the MD mechanism turned over or tilted Adjustment procedure The entire flow chart for the adjustment procedure is shown as follows The mark hand in the procedure indicates key operations START END 1 Start the TEST MODE 2 EEPROM initialization 3 Temperature co...

Page 44: ... 44 START 1 Start the TEST MODE 2 EEPROM initialization While pressing MD EJECT on the main unit connect the AC plug to the power outlet STOP CD OPEN CLOSE on the main unit To be continued ...

Page 45: ...ke it equal to the ambient temperature using B SKIP or F SKIP on the display DISPLAY on the remote control unit PAUSE DISPLAY COLOR on the remote control unit STOP To be continued Adjust temperature compensation This adjustment is important to ensure that the temperature of the circuit boards is equal to that of the room 3 Temperature compensation adjustment ...

Page 46: ...read power Measure it using the laser power meter Check the laser output approx 0 68mW Check the light power Measure it using the laser power meter Check the laser output approx 6 8mW Check the light power Check the light power Press VOLUME on the main unit twice Check the preset value for the light power Ensure that LSR 9F is set Be sure to read the paragraph headed Laser power select key at the ...

Page 47: ...mote control unit twice DISPLAY on the remote control unit Check the adjustment value IVR EF balance Check the EF balance value Within 09 to 15 hexadecimal Check the adjustment value Focus Tracking Sled gain Check the sled gain value Within 0C to 30 hexadecimal STOP MD EJECT on the main unit Check the IVR value Within 04 to 0A hexadecimal Check the tracking gain value Within 0C to 30 hexadecimal C...

Page 48: ...ading TGYS 1 MD MARK on the remote control unit MD on the remote control unit This display means that the adjustment has failed Check the adjustment of PIT DISC Check the adjustment of PIT DISC Press DISPLAY on the remote control unit twice Check the IVR value Within 14 to 19 hexadecimal DISPLAY on the remote control unit Check the tracking gain value Within 0C to 3F hexadecimal Check the focus ga...

Page 49: ...lights up B SKIP F SKIP Move the pickup to the intermediate position between the innermost and outermost tracks on the disc AUX D IN on the remote control unit Address display Check the playback error rate 0030 or less STOP MD EJECT on the main unit Eject the disc To be continued DISPLAY on the remote control unit ...

Page 50: ...of about 15 to 30 seconds is required AUX D IN on the remote control unit DISPLAY on the remote control unit after passing 600C Check the record playback error rate 0030 or less Checking the record playback error rate MD MARK on the remote control unit AUTO MARK lights up B SKIP F SKIP Move the pickup to the intermediate position between the innermost and outermost tracks on the disc Eject the dis...

Page 51: ... 51 7 Checks after completing the adjustment procedure Press POWER twice to confirm that No Adjust is not displayed on POWER ON END Remove the 3 3 kΩ resistor connected to the laser power switch ...

Page 52: ...ST MODE 1 How to Start the CD Test Mode While pressing the function CD button insert the AC plug to the wall outlet All the indicators on the display light which means that the test mode starts up 2 How to Exit the CD Test Mode Disconnect the AC plug Mode Start mode Search mode Play mode Traverse mode Sled mode Operation s d a f g FL indication All indicators light CD Normal time display Normal ti...

Page 53: ...can be switched using the VOLUME key on the main unit When the test mode is completed be sure to remove the resistor The contents of this test mode manual are as follows 1 How to start the MD test mode 2 Checking the MD test mode and checking the audio system output 3 How to cancel the MD test mode 4 How to switch to the servo standby mode 5 Checking the sled move operation 6 Checking the laser po...

Page 54: ...ode is canceled by any methods other than the procedure described above the machine may operate abnormally when the power is turned on again In this case disconnect the AC plug 4 How to switch to the servo standby mode Once the test mode has been set up the machine mode is changed to the servo standby mode when the STOP key is pressed ALL SV OFF is displayed From this mode the machine can enter th...

Page 55: ...e loading mechanism operation and checking the detection switch 7 1 Checking the loading mechanism operation Insert an MO disc in the ALL SV OFF state The OWH can be moved UP DOWN by pressing the REC key and MD EJECT key each time REC OWH DOWN during loading MD EJECT Key OWH UP during loading unloading Note Never move down the OWH when a pre mastered disc such as the test disc TGYS 1 or the softwa...

Page 56: ...nd the sled error EF balance 1 Insert a disc 2 Press the MD MARK key on the remote control unit to enter the following disc mode with DISC as follows PIT DISC The display shows SELECT PIT MO DISC The display shows SELECT GRV 3 Press the PLAY key When the focus servo is operating normally the message FOCUS ON is displayed after FOCUS SRCH and the focus servo is turned on 4 When the DISPLAY key is p...

Page 57: ...C or 30C are selected No display is shown The inner circumference of a disc can be checked at address 30C and the outer circumference of a disc can be checked at address 600C respectively 10 How to erase U TOC user TOC A disc that shows messages such as U TOC ERROR can be erased and the disk can be set to BLANK DISC in the following manner 1 Insert an MO disc 2 Move the pickup to the intermediate ...

Page 58: ...NICAL EXPLODED VIEW 1 1 1 2 3 A A 4 PWB PWB PWB PWB PWB PWB PWB PWB B C C C C C C C C 5 6 7 8 9 10 11 12 13 14 14 15 G G B B B G 16 17 D 18 19 29 20 21 22 E E E 28 28 28 DA23L 23 AZG H YA F F F F 27 26 25 25 24 ...

Page 59: ... 010 GEAR A 23 8A CV2 205 010 HLDR MECHA CD 24 8A CR2 002 010 CABI BOTTOM MD 25 8A CU2 210 010 FOOT ACJ 2 26 8A CR2 011 010 CABI REAR MD811EZSM 27 8A CV2 014 010 COVER WIRE 28 88 HV1 207 010 DMPR MECHA 29 8A CR2 001 010 CABI FR MD A 87 B10 230 010 BVT2 3 10 W O SLOT SILVER CR B 87 067 579 010 BVT2 3 8 W O SLOT C 87 067 703 010 TAPPING SCREW BVT2 3 10 D 87 261 092 410 V 3 4 GLD E 87 761 096 410 VFT...

Page 60: ... 60 CD MECHANISM EXPLODED VIEW 1 1 2 4 5 9 3 1 8 7 10 D D A C B 6 ...

Page 61: ...00 MOTOR SLED ASSY 4 S2 311 A12 200 CHASSIS 5 S2 511 A23 200 GEAR MIDDLE 6 S2 511 A23 100 GEAR SCREW 7 S2 511 A23 400 GEAR RACK 8 S2 511 A07 901 SPINDLE SCREW 9 S4 S13 A00 200 SW LEAF 10 S2 451 A18 100 HOLDER GEAR A SS EXE A04 000 SCR PAN PCS 1 4 2 2 B SS GXE A00 301 SPECIAL SCREW M1 7 6 0 C SS EXE A14 100 SPECIAL SCREW D SS GXE A00 202 SPECIAL SCREW M1 7 4 0 ...

Page 62: ...stall it turning to clockwise direction until click sound comes out Remove the grill frame and four pieces of rubber caps by pulling out with a flat bladed screwdriver Remove the screws from hole where installed rubber caps Insert a flat bladed screwdriver into the position indicated by the arrows and remove the panel Re move the screws of each speaker unit and then remove the speaker units TOOLS ...

Page 63: ... CP2 010 010 PANEL TW B 4 8A CP2 604 010 SPKR TW 25 5 8A CP2 602 010 SPKR W 100 6 8A CP2 002 010 PANEL TW 7 8A CP2 001 010 PANEL W 8 8Z CL5 543 010 CORD SP ACCESSORIES PACKAGE LIST DESCRIPTION REF NO KANRI NO PART NO 1 8A CJ2 906 010 IB EZ 9L M 2 8A CJ2 950 010 RC UNIT RC AAT21 3 87 006 225 010 ANT LOOP AM NC2 4 87 A90 118 010 ANT WIRE FM Z ...

Page 64: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9820572 0251431 ...

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