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Sanyo DC-MCR300 Service Manual

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Service Manual
Contents
Laser beam safety precaution .......................................... 1
Tape adjustments ............................................................ 1
Tuner adjustments ........................................................... 2
CD pick-up maintenance .................................................. 2
Exploded view .................................................................. 3
Parts list ........................................................................... 4
IC block diagram & description ........................................ 8
FL display descriptions .................................................... 16
Wiring connection ............................................................ 17
Schematic diagram
(CD) ............................................................................... 18
(FRONT) ....................................................................... 22
(MAIN) ........................................................................... 26
This service manual consists of "DC-MCR300U/AU" (Main unit : 129 681 07) and
"SX-MCR350M/KR" (Speaker system : 165 096 01).
Micro Component System
FILE NO.
DC-MCR300
PRODUCT CODE No.
129 682 07
(TUNER) ....................................................................... 30
(POWER AMPLIFIER) .................................................. 33
(CD) Parts side view .................................................... 20
Pattern side view ................................................. 21
(FRONT & JOG VR) ...................................................... 24
(LED) ............................................................................. 24
(DOOR SWITCH) .......................................................... 25
(MAIN) ........................................................................... 28
(TUNER) ....................................................................... 32
(POWER AMPLIFIER) Parts side view ....................... 34
Pattern side view .................... 35
REFERENCE No.
(AU)
SM
5810640

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  Summary of Contents for Sanyo DC-MCR300

  • Page 1: Table Of Contents

    FILE NO. Service Manual Micro Component System DC-MCR300 (AU) Contents PRODUCT CODE No. 129 682 07 Laser beam safety precaution .......... 1 (TUNER) ............... 30 Tape adjustments ............1 (POWER AMPLIFIER) ..........33 Tuner adjustments ............2 Wiring diagram CD pick-up maintenance ..........2 (CD) Parts side view ............
  • Page 2: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND CAUTION : INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR THIS PRODUCT CONTAINS A LOW POWER LASER DEVICE, SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ...
  • Page 3: Tuner Adjustments

    Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..manufactured by SANYO.) Show a clean procedure in the following in reference by swab of cotton.
  • Page 4: Exploded View

    EXPLODED VIEW This is a basic exploded view. - 3 -...
  • Page 5: 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 AND ! ! ! PERFORMANCE 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...
  • Page 6 PARTS LIST CD P.W.BOARD ASSY DOOR SWITCH P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 614 329 9363 ASSY,PWB,CD(Only initial) 614 328 1245 ASSY,PWB,DOOR SW(Only initial) CN111 645 033 5525 SOCKET,FFC 16P CN621 645 040 1152 SOCKET,5P CN113 645 006 0939 PLUG,6P S6210 645 023 5795 SWITCH,LEVER,OPEN_SW...
  • Page 7 PARTS LIST MAIN P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION D6503 407 012 4406 DIODE 1SS133 REF.NO. PART NO. DESCRIPTION D6504 407 012 4406 DIODE 1SS133 614 330 2452 ASSY,PWB,PRE DECK DG D6701 407 012 4406 DIODE 1SS133 (Only initial) D6702 407 012 4406 DIODE 1SS133 C4315 403 325 2306 ELECT 4700U M 35V...
  • Page 8 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q2510 405 151 4301 TR KTC3195-Y Q4604 405 143 0007 TR KRC107M 405 151 4806 TR KTC3195-O 405 000 3806 TR DTC114YS Q2802 405 143 0007 TR KRC107M Q4700 405 143 9000 TR KRC106M 405 000 3806 TR DTC114YS 405 075 8607 TR DTC143ZS Q2803...
  • Page 9: Ic Block Diagram & Description

    PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q5972 405 019 3804 TR 2SC536-G-NP R5780 401 314 1309 MT-FILM 4.7 FD 1/4W 405 019 2708 TR 2SC536-F-NP R5877 402 082 1102 FUSIBLE RES 22 JA 1/2W 405 141 3208 TR KTC3198-Y R5879 401 009 5605 CARBON 330 JA 1/2W 405 141 3307 TR KTC3198-GR...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION IC110 TA2153FN (RF Amp) 36pF SBAD 10pF 12 2VRO 3 STATE RFRP 11 TEB DET. 10 SEL RFCT 9 LDO 8 MDI 15pF BOTTOM RFRPIN 7 TNI PEAK 15pF RFGO 6 TPI 40pF GVSW 5 FPI AGCIN AGC Amp.
  • Page 11 IC BLOCK DIAGRAM & DESCRIPTION IC130 TA2092N (Power Driver IC for CD Player) TERMINAL TERMINAL SYMBOL FUNCTION SYMBOL FUNCTION Power GND Input for CH3 PW GND Connected to substrate. S GND Supply terminal of small signal GND pin are connected inside. Small signal GND OUT(-)1 Inverted output for CH1...
  • Page 12 IC BLOCK DIAGRAM & DESCRIPTION IC150 LB1641L (Bidirectional Motor Driver) OUT1 VCC2 OUT2 P2 Input Output Action PRE- DRIVE OUT1 OUT2 Brake Normal(Reverse)Rotary Reverse(Normal)Rotary Brake INPUT LOGIC CIRCUIT IC441 TC9422F (Volume Control) INPUT INPUT SELECTOR SELECTOR 100k 100k L-IN1 R-IN1 L-IN2 R-IN2 L-IN3...
  • Page 13 IC BLOCK DIAGRAM & DESCRIPTION IC222 TC9257F (Tuner PLL IC) 2 MODULUS 4bit SWALLOW POWER ON 1/ 2 PRESCALER COUNTER RESET RESET TRI-STATE 12bit PROGRAMMABLE COUNTER BUFFER MODE LF TRI-STATE REFERENCE COUNTER BUFFER CIRCUIT (DO2 / OT-4) OT-4 UNLOCK 24bit REGISTER I / O-5 / CLK DATA 24bit SHIFT REGISTER...
  • Page 14 IC BLOCK DIAGRAM & DESCRIPTION IC597 TDA8921TH (2x50 Class-D Power Amplifier) BOOT1 RELEASE1 DRIVER IN1- INPUT HIGH CONTROL STAGE SWITCH1 MODULATOR OUT1 IN1+ HANDSHAKE ENABLE1 DRIVER mute SGND1 STABI TEMPERATURE SENSOR OSCILLATOR MANAGER CURRENT PROTECTION MODE MODE BOOT2 SGND2 mute DRIVER HIGH ENABLE2...
  • Page 15 IC BLOCK DIAGRAM & DESCRIPTION IC601 PT6315 (VFD Driver / Controller IC) SG1/KS1 SG2/KS2 SG3/KS3 Control SG4/KS4 SG5/KS5 Serial SG6/KS6 DOUT Data SG7/KS7 Segment Display Memory Interface Driver SG8/KS8 (24 bits x 17 Words) SG9/KS9 Grid Driver SG10/KS10 SG11/KS11 Key Scan SG12/KS12 Output TI~inc Generator...
  • Page 16 IC BLOCK DIAGRAM & DESCRIPTION IC651 TMP87EP26F-4K76 (Micro Controller) I/O ports (Segment output) Common output Segment output LOD Driver Data Memory Stack Pointer Data Memory Program (RAM) (EEPROM) Counter Flags Register banks BOOT Program Memory MROM RESET Interrupt Controller EEPROM System Controller BOOT TEST...
  • Page 17 WIRING DIAGRAM (TUNER) 1AD4B10D2222F T002 94V-0 J2100 FM-VT Q2421 J2301 Q2802 C2519 J2302 J2104 AM-VT J2105 R2612 Q2803 R2803 R2609 C2805 R2608 R2801 R2603 R2606 R2606 R2606 R2602 L2801 R2601 C2501 Q2804 R2513 R2513 R2513 R2521 R2521 R2521 C2502 C2502 C2502 R2709 C2419...
  • Page 18 SCHEMATIC DIAGRAM (POWER AMPLIFIER) - 33 -...
  • Page 19: Wiring Diagram (Cd) Parts Side View

    WIRING DIAGRAM (POWER AMPLIFIER) Parts Side View L5974 C5975 1AD4B10D2230A 94V-0 F01 L5973 R5992 C5971 L5971 -VSS +VDD L5970 C5970 C5876 R5991 L5875 R5875 R5875 R5875 C5881 R5880 C5980 C5980 C5980 C5985 C5875 C5982 C5879 C5880 C5984 C5776 C5783 R5776 R5776 R5776 C5991...
  • Page 20: Pattern Side View

    C5992 SP-RY L-CH +12V L5776 S5971 L5775 Q5975 L5876 R5779 R5879 D5972 Q5974 Q5972 Q5978 D5971 Q5977 R-CH L-CH This is a basic wiring diagram. SANYO Electric Co., Ltd. Osaka, Japan Aug. / '04 Printed in Japan - 35 -...