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Toshiba RD-85DTSB Service Manual
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Toshiba RD-85DTSB Service Manual

Hdd/dvd video recorder
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See also: Owner's Manual
FILE NO. 810-200646GR
SERVICE MANUAL
DIGITAL VIDEO
HDD/DVD VIDEO RECORDER
RD-85DTSB
The above models are classified as green products (*1), as indicated by the underlined serial numbers.
This Service Manual describes replacement parts for the green products. When repairing these green
product(s), use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
Apr., 2006 GREEN

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Summary of Contents for Toshiba RD-85DTSB

  • Page 1 SERVICE MANUAL DIGITAL VIDEO HDD/DVD VIDEO RECORDER RD-85DTSB The above models are classified as green products (*1), as indicated by the underlined serial numbers. This Service Manual describes replacement parts for the green products. When repairing these green product(s), use the part(s) described in this manual and lead-free solder (*2).
  • Page 2 Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.
  • Page 3 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 4: Table Of Contents

    CONTENTS SECTION 1 GENERAL DESCRIPTIONS 1. OPERATING INSTRUCTIONS 2. LOCATION OF MAIN PARTS 2-1. Location of Main Parts 2-2. Location of PC Boards SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1. REPLACEMENT OF MECHANICAL PARTS 1-2. PC Board Replacement 1-1. Cabinet Replacement 1-2-1.

  • Page 5: Operating Instructions

    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 HDD1 HDD UNIT Fig. 1-2-1 2-2. Location of PC Boards DTV1 Digital Tuner Module EU01 Digital PC Board EU05 Mother PC Board EU03B Front(L) PC Board EU03C Front(Jack) PC Board EU02 Power 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. HDD 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the tape (1). 3. Remove four screws (2). 4. Disconnect the flexible cable (3) and the connector (4). 5. Remove four screws (5), then remove the damper (7) and HDD (8) from the bracket (6). Note: •...
  • Page 9 1-1-3. Front Panel 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the HDD. (Refer to item 1-1-2.) 3. Remove two tapes (1). 4. Disconnect the connector (2) and two flexible cables (3). 5. Remove the screw (4), four claws, then remove the front panel (5). Note: •...
  • Page 10 1-1-4. RAM Drive 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the HDD. (Refer to item 1-1-2.) 3. Remove the front panel. (Refer to item 1-1-3.) 4. Remove the Digital Tuner Module. (Refer to item 1-2-1.) 5. Remove two tapes (1). 6.
  • Page 11 1-1-5. Rear Panel 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the Tuner Unit PC Board. (Refer to item 1-2-1.) 3. Remove eight screws (1), then remove the rear panel (2). 4. Remove two claws, then remove the rear panel (2). 5.
  • Page 12 1-2. PC Board Replacement 1-2-1. Digital Tuner Module 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove two tapes (1). 3. Disconnect four connectors (2). 4. Disconnect the two coaxial cables (3). 5. Remove three screws (4), then remove the Digital Tuner Module (5). Tape (1) Screws (4) Connector (2)
  • Page 13 1-2-2. Digital PC Board 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the Digital Tuner Module. (Refer to item 1-2-1.) 3. Remove the tape (1). 4. Disconnect the two flexible cables (2). 5. Disconnect the connector (3). 6.
  • Page 14 1-2-3. Mother PC Board 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the front panel. (Refer to item 1-1-3.) 3. Remove the rear panel. (Refer to item 1-1-5.) 4. Remove the Digital Tuner Module. (Refer to item 1-2-1.) 5.
  • Page 15 1-2-4. Power PC Board Cautions : • Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the HDD. (Refer to item 1-1-2.) 3.
  • Page 16 1-2-5. Front (R), Front (L), and Front (Jack) PC Boards 1. Remove the top cover. (Refer to item 1-1-1.) 2. Remove the HDD. (Refer to item 1-1-2.) 3. Remove the front panel. (Refer to item 1-1-3.) 4. Remove four screws (1), then remove the stay (2). 5.
  • Page 17 2. WIRING CONNECTION DIAGRAM After the servicing is complete, return the wiring to its original state by using the below diagram as a reference. Digital Tuner Module Mother PC Board W112 Power PC Board W111 W113 W108 W006 W202 Digital PC Board W007 W102 W203...
  • Page 18 Fig. 3-5-10 EU05 Mother PC Board (Bottom side)
  • Page 19 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 20: Exploded Views

    1. EXPLODED VIEWS 1-1. Packing Assembly Z002 Z001 Z031 Z032 Z033 Fig. 4-4-1...
  • Page 21 1-2. Chassis Assembly ZG20 Z001 W007 EU01 DTV1 ZG45 W007 EU05 EU02 HDD1 W202 W006 RAM1 W203 ZG50 EU03C EU03B EU03A ZG01 Fig. 4-4-2...
  • Page 22 2. PARTS LIST Location Part No. Description - MECHANICAL PARTS - RAM1 P000469980 DVD-RAM DRIVE DAV-WR532-TM HDD1 P000463120 HDD 160GB 6L160P0 HDD1 P000463100 HDD 160GB ST3160022ACE SAFFIX-UP W006 P000470240 CABLE FFC-40P-L80 DIG-RAM W007 P000470230 CABLE FFC-40P-L440 DIG-HDD W202 P000470160 CABLE WIRE-4P-L370 POW-HDD W203 P000470170...
  • Page 23 Location Part No. Description - ELECTRICAL PARTS - EU01 P000470100 PC BOARD ASSY DIGITAL IC302 P000416750 BA25BC0FP-E2 IC303 P000440410 MM1573DNRE IC304 P000391240 NJM2125F(TE1) IC306 P000446300 SN74AHC1G08HDCKR IC307 P000470050 BD46252G-TR IC317 P000377920 SN74LV244APWR Q301 P000446230 Transistor 2SA1162-Y Q302 P000446230 Transistor 2SA1162-Y Q303 P000446230 Transistor...
  • Page 24 Location Part No. Description Q901 P000446240 Transistor HN1C03F-B Q902 P000446220 Transistor 2SC2712-Y Q903 P000446230 Transistor 2SA1162-Y Q904 P000446210 Transistor RN2402 Q905 P000446260 Transistor RN1402 Q906 P000446210 Transistor RN2402 QW01 P000446220 Transistor 2SC2712-Y QW02 P000446260 Transistor RN1402 QW10 P000446230 Transistor 2SA1162-Y QW11 P000446230 Transistor...
  • Page 25 SUPPLEMENT The upgrading method of DTV software 1. Use Cable & SW : 1. DTV Cable A:Side PC B: Side 85DT-TB The cable of DTV is connected to PC (RS232C). The cable of DTV is inserted in 85 DT-TB. 2. DTV FW •...

  • Page 26: Operation : The First Time

    2. Operation : The First Time A hyper-terminal is started. (Start → All Programs → Accessories → Communications → Hyper Terminal) [Connection Description] dialogis displayed. Please input a connection name. (Name Ex.:85DT) And please choose an icon. Press OK . [Connect to] dialog is displayed.
  • Page 27 Hyper Terminal is Displayed Please choose Transfer → Send File... [Send file] dialog is displayed. Please set a protocol as Xmodem. Transmission of FW file should go as follows. Press Send [Xmodem file Send for 85DT] dialog is displayed. The power supply of RD is turned on. Communication starts.
  • Page 28 2-10 Please wait to write in FW of DTV. 2-11 If O.K. is displayed, upgrade will be ended. The power supply of RD is turned off. Renewal of file(A) was completed now. [A:dvd_recorder_toshiba_uk_hex_revert_slot1.img] 2-12 When you update another file, please repeat from 2-5. (Please use a hyper-terminal as it is.) 2-13 This setup is saved at the time of a hyper-terminal end, and shortcut is created.

  • Page 29: Update Check

    3. Update Check Version information has two kinds of display methods. Case 1: DTV MENU The version of DTV FW can be confirmed by the next operation. 1. RD Power On (Menu is Displayed) 2. Press Menu Key (Close Menu) 3.

  • Page 30: Specifications

    SPECIFICATIONS Power requirement during operation Power requirement at standby 2.0W ("Eco. mode": "On") 5.0W ("Eco. mode": "Off") Power supply 230V-240V AC, 50/60 Hz Mass 4.7kg External dimension Width 430 x Height 58 x Depth 333mm Tuner Systeml : Frequency synthesizer Channel coverage : DVB-T PAL I UHF : 21-69 Aerial input/output terminal UHF : 75Ω, IEC Connector...
  • Page 31 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...