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Sanyo DC-M3 Service Manual

Separate mini component system
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Service Manual
(RD-M3: OPTION))
(MDG-M3: OPTION)

Specifications

CD/TUNER /AMPLIFIER SECTION
Reception frequency ........ FM : 87.5 - 108 MHz
AM : 522 - 1,611 kHz
Output power ................... 20W x 2 (at 6 ohm,10% distortion)
Inputs ............................... VIDEO(AUDIO)IN : 500 mV/50k ohms
Outputs ............................. OPTICAL DIGITAL OUT : Optical
SPEAKERS : 6 ohms
PHONES : 8 - 32 ohms
SUB WOOFER OUT : 10k ohms
Power requirements ......... AC 230V, 50 Hz
Power comsumption ........ 80W
1.1W (Ecology On standby mode)
15W (Ecology Off standby mode)
Dimensions ...................... 190 (W) x 132.5 (H) x 316 (D) mm
Weight .............................. 4.5 kg
Channels .......................... 2-channel stereo
Sampling frequency ......... 44.1 kHz
Pick-up ............................. Optical 3-beam semiconductor laser
Laser output ..................... 0.6 mW (Continuous wave max.)
This service manual consists of "JCX-M3CD" (CD/Tuner/Amplifier : 129 584 01), "RB-M3RD"
(Rmote control : 645 040 1923) and "SX-M3" (Speaker system : 165 015 01) .
Separate Mini Component
System
z
/ ON
TUNER
BAND
SLEEP
MEMORY
TUNE/PTY+
1
2
3
SCROLL
TUNE/PTY–
4
5
6
RDS
AUTO MARK
REC MODE MD DISPLAY
MODE
7
8
9
FM MODE
REPEAT
0
+
+
10
100
SHIFT
PTY
MD
CHECK
MD PLAY
MODE
CD
MD
MD
CD
CD PLAY
TAPE
REC MUTE
MODE
TAPE
SURROUND
VIDEO
SUPER
BASS/
VOL
+
BASS
TREBLE
RB-M3RD
Wave length ..................... 790 nm
Frequency response ........ 20 Hz to 20 kHz
Wow/flutter ....................... Below measurable limits
SPEAKER SYSTEM
Type ................................ 2 way acoustic bass tube
Unit used ......................... Woofer : 10 cm cone type
Maximum power-handling
capacity .......................... 50W (peak)
Nominal impedance ........ 6 ohms
Dimensions ..................... 160 (W) x 265 (H) x 258 (D) mm
Weight ............................. 2.9 kg (per speaker)
Specifications subject to change without notice.
FILE NO.
DC-M3
(XE)
PRODUCT CODE No.
129 585 03 (XE)
Built-in magnetic stray field
compensation
Tweeter : 3.5 cm balance driver
SM
REFERENCE No.
5810153

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  Summary of Contents for Sanyo DC-M3

  • Page 1: Specifications

    FILE NO. Service Manual DC-M3 Separate Mini Component (XE) System (RD-M3: OPTION)) / ON TUNER BAND SLEEP MEMORY TUNE/PTY+ SCROLL TUNE/PTY– AUTO MARK REC MODE MD DISPLAY MODE FM MODE REPEAT SHIFT CHECK MD PLAY MODE CD PLAY TAPE REC MUTE...
  • Page 2: System Varieties

    SYSTEM VARIETIES There are several system varieties with optional equipment as below. Example 1 JCX-M3CD SX-M3 SX-M3 CD/Tuner/Amplifier L ch speaker R ch speaker (SANYO RD-M3) (SANYO MDG-M3) Tape deck (OPTION) MD deck (OPTION) Example 2 Example 3 (RD-M3) JCX-M3CD (MDG-M3)
  • Page 3: System Connections

    SYSTEM CONNECTIONS SYSTEM This system connection shows example 6 on page 1. CONNECTOR SYSTEM CONNECTOR Audio leads, not supplied Video equipment/DVD player Optical cable, supplied with the MD deck SPEAKERS OPTICAL DIGITAL JCX-M3CD (6 MIN.) CD/TUNER/AMPLIFIER EXT.ANT FM75 SYSTEM CONNECTOR LOOP SUB WOOFER VIDEO (AUDIO)
  • Page 4 SYSTEM CONNECTIONS JCX-M3CD CD/TUNER/AMPLIFIER JCX-M3CD CD/TUNER/AMPLIFIER JCX-M3CD CD/TUNER/ SPEAKERS SPEAKERS OPTICAL DIGITAL OPTICAL DIGITAL (6 MIN.) (6 MIN.) AMPLIFIER EXT.ANT EXT.ANT FM75 FM75 SYSTEM SYSTEM Fixer CONNECTOR CONNECTOR LOOP LOOP SUB WOOFER SUB WOOFER VIDEO (AUDIO) VIDEO (AUDIO) Tape Band SYSTEM CONNECTOR RD-M3 TAPE DECK...
  • Page 5: Laser Baem Safety Precaution

    LASER BAEM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. (CD/TUNER/AMPLIFIER) CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ...
  • Page 6: Cd Pick-Up Maintenance

    Clean the lens with the specified cleaning disc or moisten a cotton swab with isopropyl alcohol and cleaning paper. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..manufactured by SANYO.) Regarding procedure of cleaning with moisten cotton swab, please refer to the attached as follows.
  • Page 8: Exploded View (Cabinet & Chassis )

    EXPLODED VIEW (CABINET & CHASSIS ) 57(NSP) 56(NSP) - 7 -...
  • Page 9: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF ! ! ! SPECIAL SIGNIFICANCE.
  • Page 10 PARTS LIST FRONT P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION 405 011 8609 TR 2SC1740S-S REF.NO. PART NO. DESCRIPTION 405 020 7402 TR 2SC945A-P 614 309 0625 ASSY,PWB,FRONT (Only Initial) 405 020 7204 TR 2SC945A-K BR601 614 305 2241 HOLDER,FL,FL_MOUNT Q6006 405 143 8706 TR KTC3199-GR C6093 403 304 4802 DL-ELECT 0.047F Z 5.5V...
  • Page 11 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 645 006 5958 SWITCH,PUSH 1P-1T C4805 403 059 8209 POLYESTER 0.22U K 50V 614 220 5471 SWITCH,TACT C4806 403 059 8209 POLYESTER 0.22U K 50V S6115 614 240 1002 SWITCH,TACT C4909 403 329 6102 ELECT 1000U M 35V 645 006 5958 SWITCH,PUSH 1P-1T...
  • Page 12 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q4471 405 141 3505 TR KTA1266-Y CN127 614 309 4135 ASSY,WIRE,BASE-MECHA 405 141 3406 TR KTA1266-GR CN128 614 309 4142 ASSY,WIRE,LOADING-MECHA 405 004 4502 TR 2SA608-F-NP CN131 645 005 8226 PLUG,3P 405 004 5004 TR 2SA608-G-NP D1371 407 099 5105 ZENER DIODE MTZJ4.7B...
  • Page 13 PARTS LIST REGULATOR 2 P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION Q2310 405 143 8706 TR KTC3199-GR REF.NO. PART NO. DESCRIPTION 405 017 9600 TR 2SC3330-T 614 311 4901 ASSY,PWB,VOL REG2 405 017 9709 TR 2SC3330-U (Only Initial) 405 019 3705 TR 2SC536-G-AUD-SPA CN417 614 035 4928 SOCKET,DIP 3P 405 011 8500 TR 2SC1740S-R...
  • Page 14: Exploded View (Cd Mechanism)

    EXPLODED VIEW (CD MECHANISM) CM04 CM04 CM03 CM03 CM17 CM16 CM17 CM16 CM16 CM09 CM16 CM11 CM08 CM07 CM06 CM02 CM01 CM12 CM10 CM05 CM13 CM15 CM17 CM14 CM18 - 13 -...
  • Page 15 PARTS LIST CD MECHANISM (CD11FT-SASH... Only Initial) REF.NO. PART NO. DESCRIPTION CM01 620 231 4594 CHASSIS,FRAME CM02 620 231 4648 PLATE,MAGNET CM03 620 229 0393 CUSHION,RUBBER CM04 620 229 0409 CUSHION,RUBBER CM05 620 231 4631 HOLDER,MAGNET CM06 620 231 4686 GEAR,DRIVE CM07 620 231 4693 GEAR,SLIDE CM08...
  • Page 16: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION IC101 LA9241ML (Servo Signal Processor) Pin Name Function Vcc1 BH1 PH1 VR REF1 Vcc2 DRF CE DAT CL CLK O Output Pin for Single End of Input Signal of the 54 53 CV+, CV- Pin. RF DET Input Pin for Spindle Amplifier.
  • Page 17 IC BLOCK DIAGRAM & DESCRIPTION IC102 LC78622NE (Digital Signal Processor) TST11 TEST2 TEST4 EFMO PDO ISET FR TEST1 TEST3 TEST5 59 64 11 32 33 62 RAM Address Slice level 2K~8bit DEFI VCO Clock Oscillator Control Generatorl & Clock Control EFMIN Syncrnous Detect Interpolalation Mute...
  • Page 19 IC BLOCK DIAGRAM & DESCRIPTION IC241 LC72121M (PLL Synthesizer) IC487 TDA7265 (25 + 25W Stereo Amplifier with Mute & ST-by) VREF FLOUT CIN CLOCK Vdda Vddd MUTE/ RECOVERY REFERENCE (57kHz) ST-BY (1187.5Hz) VOLTAGE Vssd Vssa VREF IN (L) 57kHz OUT (L) DATA SMOOTHING ANTIALIASING...
  • Page 22: Fl Display Description

    FL DISPLAY DESCRIPTION T Y P E : C M 1 8 4 1 M A N O D E & G R I D A S S I G N M E N T S14 S13 G4~G11 A N O D E & G R I D A S S I G N M E N T SLEEP MONO PRESET...
  • Page 23 SYSTEM VARIETIES There are several system varieties with optional equipment as below. Example 1 JCX-M3CD SX-M3 SX-M3 CD/Tuner/Amplifier L ch speaker R ch speaker (SANYO RD-M3) (SANYO MDG-M3) Tape deck (OPTION) MD deck (OPTION) Example 2 Example 3 (RD-M3) JCX-M3CD (MDG-M3)
  • Page 24: System Connections

    SYSTEM CONNECTIONS SYSTEM This system connection shows example 6 on page 1. CONNECTOR SYSTEM CONNECTOR Audio leads, not supplied Video equipment/DVD player Optical cable, supplied with the MD deck SPEAKERS OPTICAL DIGITAL JCX-M3CD (6 MIN.) CD/TUNER/AMPLIFIER EXT.ANT FM75 SYSTEM CONNECTOR LOOP SUB WOOFER VIDEO (AUDIO)
  • Page 25 SYSTEM CONNECTIONS JCX-M3CD CD/TUNER/AMPLIFIER JCX-M3CD CD/TUNER/AMPLIFIER JCX-M3CD CD/TUNER/ SPEAKERS SPEAKERS OPTICAL DIGITAL OPTICAL DIGITAL (6 MIN.) (6 MIN.) AMPLIFIER EXT.ANT EXT.ANT FM75 FM75 SYSTEM SYSTEM Fixer CONNECTOR CONNECTOR LOOP LOOP SUB WOOFER SUB WOOFER VIDEO (AUDIO) VIDEO (AUDIO) Tape Band SYSTEM CONNECTOR RD-M3 TAPE DECK...
  • Page 26 LASER BAEM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. (CD/TUNER/AMPLIFIER) CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ...
  • Page 27 Clean the lens with the specified cleaning disc or moisten a cotton swab with isopropyl alcohol and cleaning paper. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..manufactured by SANYO.) Regarding procedure of cleaning with moisten cotton swab, please refer to the attached as follows.
  • Page 29 EXPLODED VIEW (CABINET & CHASSIS ) 57(NSP) 56(NSP) - 7 -...
  • Page 30: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF ! ! ! SPECIAL SIGNIFICANCE.
  • Page 31 PARTS LIST FRONT P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION 405 011 8609 TR 2SC1740S-S REF.NO. PART NO. DESCRIPTION 405 020 7402 TR 2SC945A-P 614 309 0625 ASSY,PWB,FRONT (Only Initial) 405 020 7204 TR 2SC945A-K BR601 614 305 2241 HOLDER,FL,FL_MOUNT Q6006 405 143 8706 TR KTC3199-GR C6093 403 304 4802 DL-ELECT 0.047F Z 5.5V...
  • Page 32 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 645 006 5958 SWITCH,PUSH 1P-1T C4805 403 059 8209 POLYESTER 0.22U K 50V 614 220 5471 SWITCH,TACT C4806 403 059 8209 POLYESTER 0.22U K 50V S6115 614 240 1002 SWITCH,TACT C4909 403 329 6102 ELECT 1000U M 35V 645 006 5958 SWITCH,PUSH 1P-1T...
  • Page 33 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q4471 405 141 3505 TR KTA1266-Y CN127 614 309 4135 ASSY,WIRE,BASE-MECHA 405 141 3406 TR KTA1266-GR CN128 614 309 4142 ASSY,WIRE,LOADING-MECHA 405 004 4502 TR 2SA608-F-NP CN131 645 005 8226 PLUG,3P 405 004 5004 TR 2SA608-G-NP D1371 407 099 5105 ZENER DIODE MTZJ4.7B...
  • Page 34 PARTS LIST REGULATOR 2 P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION Q2310 405 143 8706 TR KTC3199-GR REF.NO. PART NO. DESCRIPTION 405 017 9600 TR 2SC3330-T 614 311 4901 ASSY,PWB,VOL REG2 405 017 9709 TR 2SC3330-U (Only Initial) 405 019 3705 TR 2SC536-G-AUD-SPA CN417 614 035 4928 SOCKET,DIP 3P 405 011 8500 TR 2SC1740S-R...
  • Page 35: Exploded View (Cd Mechanism)

    EXPLODED VIEW (CD MECHANISM) CM04 CM04 CM03 CM03 CM17 CM16 CM17 CM16 CM16 CM09 CM16 CM11 CM08 CM07 CM06 CM02 CM01 CM12 CM10 CM05 CM13 CM15 CM17 CM14 CM18 - 13 -...
  • Page 36 PARTS LIST CD MECHANISM (CD11FT-SASH... Only Initial) REF.NO. PART NO. DESCRIPTION CM01 620 231 4594 CHASSIS,FRAME CM02 620 231 4648 PLATE,MAGNET CM03 620 229 0393 CUSHION,RUBBER CM04 620 229 0409 CUSHION,RUBBER CM05 620 231 4631 HOLDER,MAGNET CM06 620 231 4686 GEAR,DRIVE CM07 620 231 4693 GEAR,SLIDE CM08...
  • Page 37: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION IC101 LA9241ML (Servo Signal Processor) Pin Name Function Vcc1 BH1 PH1 VR REF1 Vcc2 DRF CE DAT CL CLK O Output Pin for Single End of Input Signal of the 54 53 CV+, CV- Pin. RF DET Input Pin for Spindle Amplifier.
  • Page 38 IC BLOCK DIAGRAM & DESCRIPTION IC102 LC78622NE (Digital Signal Processor) TST11 TEST2 TEST4 EFMO PDO ISET FR TEST1 TEST3 TEST5 59 64 11 32 33 62 RAM Address Slice level 2K~8bit DEFI VCO Clock Oscillator Control Generatorl & Clock Control EFMIN Syncrnous Detect Interpolalation Mute...
  • Page 40 IC BLOCK DIAGRAM & DESCRIPTION IC241 LC72121M (PLL Synthesizer) IC487 TDA7265 (25 + 25W Stereo Amplifier with Mute & ST-by) VREF FLOUT CIN CLOCK Vdda Vddd MUTE/ RECOVERY REFERENCE (57kHz) ST-BY (1187.5Hz) VOLTAGE Vssd Vssa VREF IN (L) 57kHz OUT (L) DATA SMOOTHING ANTIALIASING...
  • Page 43 FL DISPLAY DESCRIPTION T Y P E : C M 1 8 4 1 M A N O D E & G R I D A S S I G N M E N T S14 S13 G4~G11 A N O D E & G R I D A S S I G N M E N T SLEEP MONO PRESET...
  • Page 44 WIRING DIAGRAM (PRE-AMPLIFIER) - 22 - - 23 -...
  • Page 45 SCHEMATIC DIAGRAM (AMPLIFIER) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated ! ! ! components in which safety can be of special significance. When replacing a component identified by , use only the replacement parts designated, or parts with the ! ! ! same ratings of resistance, wattage or voltage that are designated in the parts list in this manual.
  • Page 46 WIRING DIAGRAM (AMPLIFIER) - 26 - - 27 -...
  • Page 47 SCHEMATIC DIAGRAM (TUNER) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated ! ! ! ! ! ! components in which safety can be of special significance. When replacing a component identified by , use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts list in this manual.
  • Page 48 WIRING DIAGRAM (TUNER) - 30 - - 31 -...
  • Page 49 SCHEMATIC DIAGRAM (CD) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated ! ! ! ! ! ! components in which safety can be of special significance. When replacing a component identified by , use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts list in this manual.
  • Page 50 WIRING DIAGRAM (CD) - 34 - - 35 -...
  • Page 51 SCHEMATIC DIAGRAM (FRONT) This is a basic schematic diagram. - 36 - - 37 -...
  • Page 52 WIRING DIAGRAM (FRONT) - 38 - - 39 -...
  • Page 53 WIRING DIAGRAM (LED & AUDIO TERMINAL) AUDIO TERMINAL, P.W.B LED, P.W.B - 40 -...
  • Page 54 WIRING DIAGRAM (POWER IC, REGULATOR & REGULATOR 2) POWER IC, P.W.B REGULATOR, P.W.B REGULATOR 2, P.W.B - 41 -...
  • Page 55: Wiring Connection

    WIRING CONNECTION SUB WOOFER VIDEO(AUDIO) POWER IC REG 2 AC IN P.W.B P.W.B P.W.B AUDIO TERMINAL CN419 P.W.B CN487 CN417 (3P) (10P) (3P) CN462 SPEAKERS (5P) + L - + R - OPTICAL EXT. ANT. SYSTEM DIGITAL FM75 CONNECTOR LOOP BOARD TO CN455 CN169...
  • Page 56 SANYO Technosound Co., Ltd. Osaka, Japan Aug. / '00 / 1500 BB Printed in Japan...

This manual is also suitable for:

Rd-m3Mdg-m3