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Toshiba D-R4SU Service Manual

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FILE NO. 810-200531
SERVICE MANUAL
DIGITAL VIDEO

DVD VIDEO RECORDER

D-R4SU
D-R4SC
D-KR4SU
5
Mar., 2005

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   Summary of Contents for Toshiba D-R4SU

  • Page 1: Dvd Video Recorder

    FILE NO. 810-200531 SERVICE MANUAL DIGITAL VIDEO DVD VIDEO RECORDER D-R4SU D-R4SC D-KR4SU Mar., 2005...
  • Page 2 LASER BEAM CAUTION LABEL When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electricity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.
  • Page 3: Safety Precautions

    SAFETY NOTICE SAFETY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 W resistor. Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 W per volt or more sensitivity.
  • Page 4 CONTENTS SECTION 1 GENERAL DESCRIPTIONS 2. LOCATION OF MAIN PARTS 1. OPERATING INSTRUCTIONS 2-1. Location of Main Parts 2-2. Location of PC Boards SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1-2. PC Board Replacement 1. REPLACEMENT OF MECHANICAL PARTS 1-2-1. Tuner Unit PC Board 1-1.
  • Page 5 SECTION 1 GENERAL DESCRIPTIONS 1. OPERATING INSTRUCTIONS Please refer to the owner's manual about the contents.
  • Page 6 2. LOCATION OF MAIN PARTS 2-1. Location of Main Parts RAM1 RAM DRIVE ZG45 FAN Fig. 1-2-1 2-2. Location of PC Boards EU01 Digital PC board EU05A Tuner Unit PC board EU05 Mother PC board EU03B Front (L) PC board EU56 Front (LED) PC board EU55 Front Jack PC board...
  • Page 7: Replacement Of Mechanical Parts

    SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES CAUTIONS BEFORE STARTING PART REPLACEMENT Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to ground as required. Many screws are used inside the unit. To prevent the screws from missing or dropping, etc. always use a magnetized screwdriver in servicing.
  • Page 8 1-1-2. Front Panel 1. Remove the top cover. (Refer to item 1-1-1.) 2. Disconnect three connectors (1). 3. Remove one screw (2) and the earth lead. 4. Remove two screws (3) and four claws, then remove the front panel (4). Connector (1) Connector (1) Screws (2)
  • Page 9 1-1-4. Rear Panel 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the screw (1) and seven screws (2). 3. Remove the bush from the rear panel (3). 4. Remove two claws, then remove the rear panel (3). 5.
  • Page 10 1-2. PC Board Replacement Tuner Unit PC board (4) Screw (3) 1-2-1. Tuner Unit PC Board 1. Remove the top cover. (Refer to item 1-1-1.) 2. Disconnect the flexible cable (1). 3. Remove the screw (2) and the screw (3). Screw (2) 4.
  • Page 11 1-2-3. Mother PC Board 1. Remove the rear panel. (Refer to item 1-1-4.) 2. Remove the Tuner Unit PC board. (Refer to item 1-2-1.) 3. Remove the Digital PC board. (Refer to item 1-2-2.) 4. Disconnect three connectors (1). 5. Remove five screws (2) and the screw (3). 6.
  • Page 12 1-2-4. Power PC Board 1. Remove the top cover. (Refer to item 1-1-1.) 2. Peel off the tape (1). 3. Disconnect four connectors (2). 4. Remove four screws (3), then remove the Power PC board (4). Power PC board (4) Connectors (2) Tape (1) Connectors (2)
  • Page 13 1-2-5. Front (R), Front (L), Front (LED) and Front Jack PC Boards 1. Remove the front panel. (Refer to item 1-1-2.) 2. Peel off two tapes (1). 3. Remove four screws (2), then remove the stay (3). 4. Remove four screws (4) and two screws (5), then remove the Front (R) PC board (6) and Front (LED) PC board (7). 5.
  • Page 14: Wiring Connection Diagram

    2. WIRING CONNECTION DIAGRAM After the servicing is complete, return the wiring to its original state by using the diagram below as a reference. Mother PC board Tuner Unit PC board Power PC board WB01 W701 W051 W102 W101 Digital PC board Front panel W104 RAM Drive...
  • Page 15 SECTION 4 PARTS LIST SAFETY PRECAUTION The parts identified by ! ( ) mark are critical for safety. Replace only with part number specified. The mounting position of replacement is to be identical with originals. The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards.
  • Page 16: Exploded Views

    1. EXPLODED VIEWS 1-1. Packing Assembly ZF10 ZF11 ZF12 ZF01 (D-R4SU/KR4SU) ZF35 ZF13 Note: The shape of the packing material is sometimes different. Fig. 4-4-1...
  • Page 17 1-2. Chassis Assembly EU01 ZG20 EU05A WB01 ZG45 EU05 RAM1 P801 W051 EU02 EU03B EU55 EU56 EU03A ZG01 Fig. 4-4-2...
  • Page 18 DAV-WR412(RAM-R650) W051 P000433820 Cable,Flexible FFC,40P,L280 WB01 P000439330 Cable,Flexible FFC,11P,L90 ZF01 P000438630 Remote Control Unit SE-R0176 ! ZF10 P000416410 Owners Manual,OP English,D-R4SU/SC/KR4SU ! ZF11 P000416400 Owners Manual,ST English,D-R4SU/SC/KR4SU ! ZF12 P000416430 Owners Manual,Quick Spanish,D-R4SU/KR4SU ! ZF13 P000416420 Owners Manual,Quick English,D-R4SU/SC/KR4SU !...
  • Page 19 Location Part No. Description - ELECTRICAL PARTS - EU01 P000439050 PC Board Assy Digital,D-R4SU/KR4SU EU01 P000439340 PC Board Assy Digital,D-R4SC - INTEGRATED CIRCUITS - IC202 P000378050 SN74AHC1G04HDCKR IC203 P000378050 SN74AHC1G04HDCKR IC302 P000416750 BA25BC0FP IC303 P000440410 MM1573DNRE IC304 P000391240 NJM2125F IC306...
  • Page 20 Location Part No. Description ICB10 P000440500 XC6209F502PR ICW01 P000391260 MM1568DJBEG ICX03 79040382 MM1140XFFE ICX04 79040369 MM1113XFBE ICX05 P000440500 XC6209F502PR ICX31 79040371 BA7046F ICX32 P000363370 NJM2330MV - TRANSISTORS - Q901 79050014 Transistor,Chip HN1C03F Q902 79050014 Transistor,Chip HN1C03F Q904 79050001 Transistor,Chip RN2402 Q905 79050100 Transistor,Chip...
  • Page 21: Specifications

    SPECIFICATIONS Power requirement during operation Power requirement at standby 2.7W Power supply 120V AC, 60 Hz Mass 3.5kg External dimension Width 430 x Height 58 x Depth 304mm Incoming channels TV : 2-69CH, Cable : 1-125CH Antenna input/output terminal VHF/UHF : 75W, F Connector Signal system Standard NTSC Color TV system Laser...
  • Page 22 1 1, SHIBAURA 1 CHOME, MINATO KU, TOKYO 105 8001, JAPAN...

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