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Yamaha CDR-D651 Service Manual
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Yamaha CDR-D651 Service Manual

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See also: Owner's Manual
CDR-D651
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING:
IMPORTANT:
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING:
IMPORTANT:
CONTENTS
TO SERVICE PERSONNEL .......................................... 1
REAR PANELS .............................................................. 3
SPECIFICATIONS .......................................................... 4
INTERNAL VIEW ........................................................... 4
DISASSEMBLY PROCEDURES ............................... 5~6
TEST MODE ............................................................... 7~8
ERROR MESSAGE .................................................. 9~10
1 0 0 7 3 2
COMPACT DISC RECORDER
IMPORTANT NOTICE
Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
µ
BLOCK DIAGRAM ................................................. 16~17
PRINTED CIRCUIT BOARD .................................. 18~23
SCHEMATIC DIAGRAM ........................................ 24~25
PARTS LIST ........................................................... 26~37
DISPLAY DATA ........................................................... 38
REMOTE CONTROL TRANSMITTER ........................ 39
SERVICE MANUAL
-COM DATA ......................................................... 11~15
CDR-D651
P.O.Box 1, Hamamatsu, Japan

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  • Page 1: Table Of Contents

    This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated.

  • Page 2: To Service Personnel

    CDR-D651 TO SERVICE PERSONNEL 1. Critical Components Information AC LEAKAGE Components having special characteristics are marked s WALL EQUIPMENT TESTER OR and must be replaced with parts having specifications equal OUTLET UNDER TEST EQUIVALENT to those originally installed. 2. Leakage Current Measurement (For 120V Models Only)
  • Page 3 CDR-D651 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to carefully follow the instructions below when servicing . 2. When checking the laser diode emission, keep your 1. Laser Diode Properties eyes more than 30 cm away from the objective lens.

  • Page 4: Rear Panels

    CDR-D651 REAR PANELS U, C models ANALOG DIGITAL LINE IN LINE OUT MODEL NO. CDR-D651 120VOLTS 24WATTS OPTICAL 60Hz MADE IN MALAYSIA V610390 (U,C)-1 ® PLAY A model ANALOG DIGITAL LINE IN LINE OUT MODEL NO. CDR-D651 240VOLTS 24WATTS OPTICAL...

  • Page 5: Specifications

    CDR-D651 SPECIFICATIONS General Audio Performance Power Supply Frequency Response 0 ±0.5dB U, C models AC120V, 60Hz Playback (5Hz to 20000Hz) B, G models AC230V, 50Hz Signal to Noise Ratio (IHF-A-Network) A model AC240V, 50Hz Playback 100dB R models AC110/120/220/240V, 50/60Hz...

  • Page 6: Disassembly Procedures

    CDR-D651 DISASSEMBLY PROCEDURES (Remove parts in the order as numbered.) Disconnect the power cord from the AC outlet. 1. Removal of Top Cover a. Remove 4 screws (1) and 3 screws (2) in Fig. 1. b. Remove the Top Cover.
  • Page 7 CDR-D651 4. Removal of Pick-up Mechanism on CD drive side a. While pushing the claw (0) to the left, release the pin on the left side of the Pick-up Mechanism Unit from the CD mechanism chassis. (Fig. 5) b. Release the pin on the right side by sliding the Pick-up Mechanism Unit toward the left, and then slide the Pick- up Mechanism Unit by moving it rearward.

  • Page 8: Test Mode

    CDR-D651 TEST MODE Changing to the PCB Test Mode (service) Test Mode In the test mode, only the CD drive side functions. Operation on the main unit: There are two test modes. One is Product Test Mode and 1. In the Product Test Mode, push the MULTI JOG knob.
  • Page 9 CDR-D651 Front panel Remote controller CODE PCB Test Mode (service) TIME FL display test DIMMER Dimmer test MENU Not used for service Not used for service Not used for service EDIT Not used for service DELETE Not used for service...

  • Page 10: Error Message

    CDR-D651 ERROR MESSAGE If operation has stopped on the disc A side due to occurrence of some error, the content of the error can be identified by checking the error message. How to have the error message displayed With the DISC A at stop, press the STOP key of the remote controller while pressing the STOP key of the main unit panel on the DISC A side.
  • Page 11 CDR-D651 2) Estimating possible cause from erroneous c) “No disc” appears on display. operation a) Tray fails to come out or go in. Does tray loading function Faulty tray loading function. work properly? Poor mechanism operation, Does tray move wire being caught, loose but stop halfway? gear, etc.

  • Page 12: Μ-Com Data

    CDR-D651 µ-COM DATA µ IC301 : PD78F0058 Port Pins PIN NAME CIRCUIT NAME FUNCTION P15/ANI5 (NC) P16/ANI6 (NC) P17/ANI7 STAT MN35511 status AVss P130/ANO0 GCTRL GAIN control P131/ANO1 OPEN/CLOSE Open/close REF1 P70/SI2/RxD SOUT Serial I/O Ch.2 input (CRD-RA1) P71//SO2/TxD Serial I/O Ch.2 output (CRD-RA1)
  • Page 13 CDR-D651 PIN NAME CIRCUIT NAME FUNCTION P51/A9 CLSW Close switch P52/A10 Key input 0 P53/A11 Key input 1 P54/A12 Key input 2 P55/A13 Key input 3 P56/A14 Key input 4 P57/A15 Key input 5 Key digit output 0 Key digit output 1...
  • Page 14 CDR-D651 IC3 : MN35511 Signal Processor & Controller VCOF2 LDON OUT1C RFDET OUT1D TRCRS OUT2D OUT2C VDET RFENV DEMPO CK384 IOSEL TBAL TEST FBAL SBCK2 SUBC SBCK CLDCK KICK IPFLAG DEMPI/TEST2 SDATI LRCKI BCKI 58 59 56 19 49 8 7 9...
  • Page 15 CDR-D651 IC3 : MN35511 Signal Processor & Controller Pin No. Name Function BCLK Bit clock output for SR DATA LRCK L/R identification signal output SRDATA Serial data output DVDD1 Power supply for digital circuit (+5) DVSS1 GND for digital circuit...
  • Page 16 CDR-D651 IC3 : MN35511 Signal Processor & Controller Pin No. Name Function DSLF Loop filter terminal for DSL PLLF Loop filter terminal for PLL VCOF Loop filter terminal for VCO (+5) AVDD2 Power supply for analog circuit (for AD of DSL, PLL, DA output blocks)

  • Page 17: Block Diagram

    CDR-D651 BLOCK DIAGRAM IC108 IC104 Q105 R183 VR102 PHONES R185 Q104 See page E-24/J-20 ⇒ SCHEMATIC DIAGRAM [MAIN] IC104 PICK UP IC108 VR102 IC100 IC100 Q100 Q102 R122 R131 IC106 LINE OUT R123 R132 CONTROL Q101 Q103 TC4052BF LD ON...

  • Page 18: Printed Circuit Board

    CDR-D651 PRINTED CIRCUIT BOARD (Foil side) To CD Mechanism Unit To OPE P.C.B. (5) MAIN P. C. B. /BLK -28V S+5.5 LED1 LED2 LED3 ENCA ENCB /MUTE ENCSW /RST MUTE MUTE LOUT ROUT DOUT MOGND MO8V LOUT ROUT MA+5 • Semiconductor Location Ref.
  • Page 19 CDR-D651 PRINTED CIRCUIT BOARD (Foil side) To MAIN P.C.B. OPE P. C. B. ( 1 ) • Semiconductor Location Ref. No. Location D300 ANALOG DIGITAL DISC A MULTI JOG D301 PUSH MODE D302 D303 TRACK NO. REC MODE D304 D305...
  • Page 20 CDR-D651 PRINTED CIRCUIT BOARD (Foil side) OPE P. C. B. ( 2 ) To MAIN P.C.B. OPE P. C. B. ( 4 ) To MAIN P.C.B. To OPE P.C.B. (3) LINE OUT LINE IN ANALOG DIGITAL OPE P. C. B. ( 5 ) To MAIN P.C.B.
  • Page 21 SCHEMATIC DIAGRAM ( MAIN ) CDR-D651 IC1 : AN8882SB IC2 : AN8785SB Digital Servo Head Amp. PU Driver CD HEAD AMP. -5.0 -5.0 SPC + DAC IC100, 101, 103, 107, 108 : NJM2068MD IC105, 106 : TC4052BF Dual Op-Amp. Differential 4-channel Multiplexer...

  • Page 22: Schematic Diagram

    CDR-D651 SCHEMATIC DIAGRAM PIN CONNECTION ( OPERATION ) DIAGRAM OF TRANSISTORS, -5.0 -5.0 DIODES AND ICS. CB301 CB307 AN8882SB RH03506BT-B-1B -5.0 -5.0 AN8785SB MUTING LC75711NE µPD78F0058 -24.8 -24.2 -24.8 -5.0 -24.8 -11.9 -24.8 FL DRIVER -24.8 -24.8 NJM2068MD 5.0 5.0 -24.8...

  • Page 23: Parts List

    CDR-D651 WARNING PARTS LIST Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally in- stalled. ELECTRICAL PARTS Carbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS List. For the parts No. of the carbon resistors, refer to last page.
  • Page 24 CDR-D651 P. C. B. OPERATION New Parts New Parts...
  • Page 25 CDR-D651 P. C. B. OPERATION & P. C. B. MAIN New Parts New Parts...
  • Page 26 CDR-D651 P. C. B. MAIN New Parts New Parts...
  • Page 27 CDR-D651 CHIP RESISTORS New Parts New Parts...

  • Page 28: Exploded View

    CDR-D651 EXPLODED VIEW R model 3 (7) 1-50 1-44 1-51 1-42 1-51 1-11 1-39 1-35 1-51 1-36 1-41 1-33 1-51 1-21 3 (4) 1-34 1-32 1-51 1-43 1-21 1-40 1-31 1-38 1-37 1-36 3 (2) * When a failure occurred in the CD-R...
  • Page 29 CDR-D651 MECHANICAL PARTS Ref. PART NO. Description Remarks Markets New Parts...
  • Page 30 CDR-D651 Ref. PART NO. Description Remarks Markets New Parts...
  • Page 31 CDR-D651 Ref. PART NO. Description Remarks Markets New Parts...
  • Page 32 CDR-D651 EXPLODED VIEW (PU Mechanism Unit / DISC A SIDE) Note : Neither the pick-up head nor the spindle motor is available independently because they are factory-adjusted for the optimum level after assembly. If the pick-up head or the spindle motor must be replaced, be sure to replace them together as a unit.
  • Page 33 CDR-D651 GREASE APPLICATION DIAGRAM (PU Mechanism) Apply the grease Molykote PG-663 (P/No. AAX01170) PG-663 PG-663 PG-663 PG-663...

  • Page 34: Parts List For Carbon Resistors

    CDR-D651 Parts List for Carbon Resistors Value 1/4W Type Part No. 1/6W Type Part No. Value 1/4W Type Part No. 1/6W Type Part No. 1.0 Ω 3100 3100 10 kΩ 7100 7100 HJ35 HF85 HF45 HF45 1.8 Ω 3180 11 kΩ...

  • Page 35: Display Data

    CDR-D651 DISPLAY DATA V300 : BJ787GN (V6132600) PIN CONNECTION Pin No. 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 63 62 61 60 59 58 57 56 55 54 53 52 51...

  • Page 36: Remote Control Transmitter

    CDR-D651 REMOTE CONTROL TRANSMITTER SCHEMATIC DIAGRAM IR-IED KI/O6 KI/O5 KI/O7 KI/O4 1Ω 47µF/ KI/O3 KI/O2 220Ω KI/O1 KI/O0 2SD1781K XOUT 455kHz RESET µ 100pF 100pF CUSTOM DATA CUSTOM DATA KEY NO. FUNCTION CODE CODE KEY NO. FUNCTION CODE CODE (HEX)

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