Denon DRW-695 Service Manual
Denon DRW-695 Service Manual

Denon DRW-695 Service Manual

Stereo cassette tape deck
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MODEL
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
SERVICE MANUAL
DRW-695
STEREO CASSETTE TAPE DECK
16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN
For Europe & U.K. model
注 意
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
本機の仕様は性能改良のため、予告なく変更する
ことがあります。
補修用性能部品の保有期間は、製造打切後6年です。
修理の際は、必ず取扱説明書を参照の上、作業を
行ってください。
本文中に使用しているイラストは、説明の都合上
現物と多少異なる場合があります。
X0185V.02 DE/CDM 0310

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Summary of Contents for Denon DRW-695

  • Page 1 For Europe & U.K. model SERVICE MANUAL DRW-695 MODEL STEREO CASSETTE TAPE DECK 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 本機の仕様は性能改良のため、予告なく変更する For purposes of improvement, specifications and ことがあります。 design are subject to change without notice. 補修用性能部品の保有期間は、製造打切後6年です。 修理の際は、必ず取扱説明書を参照の上、作業を Please use this service manual with referring to the 行ってください。...
  • Page 2 DRW-695 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.
  • Page 3 DRW-695 BUNDLE DIAGRAM...
  • Page 4: Alignment And Adjustment

    7. Checking the FF and REW Times contact the capstan shaft again. Check to make sure the Load a C-60 cassette type (DENON GR-2/60); check to spring weight reads between 250~350 g when the pinch make sure the tape is fast forwarded or rewound within roller starts to rotate.
  • Page 5: Adjusting The Electrical Sections

    DRW-695 ADJUSTING THE ELECTRICAL SECTIONS Measuring instruments necessary for adjustments (1) Audio signal generator (2) Variable resistance attenuator (3) Electronic voltmeter HEAD (4) Oscilloscope (5) Frequency counter (6) Adjustment screwdriver (7) Trap coil adjustment square stick (8) Test tapes (SONY TY-224)
  • Page 6 DRW-695 4. Adjusting the Playback Section (1) Adjusting the playback level (2) Adjusting the playback frequency response A-deck: Playback the Dolby standard level test tape Playback the test tape (A-BEX TCC-262B/162B) and (A-BEX TCC-130) and adjust VR207 (Lch), check to make sure that the frequency response meets VR204 (Rch) so that the LINE OUT voltage the specifications in the diagram.
  • Page 7 DRW-695 5. Adjusting the Recording Section (1) Adjusting the record/playback overall frequency REC Amp response. (CrO2) LINE IN 1) Load the test tape AC-514, record a signal with an input level of -40 dB. 1 kHz at the LINE IN terminal;...
  • Page 8: Block Diagram

    DRW-695 BLOCK DIAGRAM...
  • Page 9: Level Diagram

    DRW-695 LEVEL DIAGRAM PLAYBACK SYSTEM TCC-130 DOLBY-B TYPE 400 Hz 200 nwb/m PLAYBACK MODE EQUALIZER A/B SWITCH DOLBY NR REC MUTE HEADPHONE PHONES HEAD SELECT SYSTEM IC TR211 IC206 TR208 (TR207) (TR214) IC209 JK302 (12) VR204 3(5) (14) A-DECK (VR207)
  • Page 10 DRW-695 SEMICONDUCTORS IC's HD6433724D25F (IC501) HD6433724D25F Terminal Function Symbol Name Int. Act. Function Connection − − KEYIN-0 Key scan IN 0 (A/D conversion) Display PCB − − KEYIN-1 Key scan IN 1 (A/D conversion) Display PCB − − KEYIN-2 Key scan IN 2 (A/D conversion) Display PCB −...
  • Page 11 DRW-695 Name Int. Act. Function Connection Symbol FS12 FL tube driving segment output FL Tube FS11 FL tube driving segment output FL Tube FS10 FL tube driving segment output FL Tube FL tube driving segment output FL Tube FL tube driving segment output FL Tube −...
  • Page 12 DRW-695 HA112170NT (IC207) uPC1297CA (IC203) REC IN REC IN STABI- PRO- LIZER TECTER PB IN PB IN BIAS C/B/OFF M/R/P LA OUT IA OUT ABSO ABSO V IN (R)1 C IN (R) 2 NR IN NR IN VREF VREF PB OUT...
  • Page 13: Printed Wiring Boards

    DRW-695 PRINTED WIRING BOARDS 1U-3581 AUDIO P.W.B. UNIT ASS’Y COMPONENT SIDE...
  • Page 14: Foil Side

    DRW-695 1U-3581 AUDIO P.W.B. UNIT ASS’Y FOIL SIDE...
  • Page 15 DRW-695 KU-9324 POWER P.W.B. UNIT ASS’Y COMPONENT SIDE...
  • Page 16 DRW-695 1U-3580 DISPLAY P.W.B. UNIT ASS’Y COMPONENT SIDE...
  • Page 17 DRW-695 1U-3580 DISPLAY P.W.B. UNIT ASS’Y FOIL SIDE...
  • Page 18 DRW-695 1U-3158 LED P.W.B. UNIT ASS’Y COMPONENT SIDE...
  • Page 19: Note For Parts List

    DRW-695 NOTE FOR PARTS LIST Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis- supplying.
  • Page 20 DRW-695 PARTS LIST OF P.W.B. UNIT ASS’Y 1U-3581 AUDIO P.W.B. UNIT ASS'Y Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC201,202 262 0707 901 TC4053BF (TAPE) IC203 263 0354 001 UPC1297CA IC204,205 263 0615 902 BA15218F-DXE2 IC206 263 0896 909...
  • Page 21 DRW-695 Ref. No. Part No. Part Name Remarks R210 247 2010 972 RM73B--243JT R211 247 2010 943 RM73B--183JT R212 247 2013 911 RM73B--244JT R213 247 2010 972 RM73B--243JT R214 247 2010 943 RM73B--183JT R215 247 2005 945 RM73B--151JT R216 247 2013 911...
  • Page 22 DRW-695 Ref. No. Part No. Part Name Remarks R294 247 2012 967 RM73B--154JT R295 241 2315 912 RD14B2E100GFRST R296 247 2012 967 RM73B--154JT R297 241 2315 912 RD14B2E100GFRST R298 247 2010 927 RM73B--153JT R299 247 2006 999 RM73B--621JT R300 247 2007 956...
  • Page 23 DRW-695 Ref. No. Part No. Part Name Remarks C205 257 0508 917 CC73CH1H471JT C206 254 4536 928 CE04W1A101MT SMG/RE3 C207,208 257 0511 904 CK73F1H103ZT C209 257 0506 951 CC73CH1H101JT C210 257 0506 993 CC73CH1H151JT C211 254 4536 915 CE04W1A470MT SMG/RE3...
  • Page 24 DRW-695 Ref. No. Part No. Part Name Remarks C297 254 4536 915 CE04W1A470MT SMG/RE3 C298 257 0510 918 CK73B1H332KT C299 257 0509 990 CK73B1H222KT C300 256 1058 968 CF93A1H823JT (JL) C301 257 0512 903 CK73F1E104ZT C302 257 0501 927 CK73B1H153KT...
  • Page 25 DRW-695 Ref. No. Part No. Part Name Remarks CX131 205 0375 039 13P CONN.BASE(KR-PH) CX151 205 0981 096 15P CONN BASE CN121 CX152 205 0375 055 15P CONN.BASE(KR-PH) JK201 204 8498 106 4P RCA PIN JACK JK202 204 8264 026...
  • Page 26 DRW-695 KU-9324 POWER P.W.B. UNIT ASS'Y Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC901 263 0810 008 NJM7808FA(S) IC902 263 0503 001 NJM7908FA IC903 263 0793 002 NJM7806FA(S) TR311 272 0100 903 2SB562(C)TZ TR312 269 0018 905 DTC143ES(4.7K-4.7K)T...
  • Page 27 DRW-695 Ref. No. Part No. Part Name Remarks CX021 205 0581 001 2P VH CONNECTOR BASE L301 231 0078 005 OSC COIL LF901 239 8019 002 LINE FILTER COIL W004 203 0638 000 1P WIRE W005 203 0639 012 1P WIRE...
  • Page 28 DRW-695 1U-3580 DISPLAY P.W.B. UNIT ASS'Y Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP IC501 262 2167 303 HD6433724F11F IC805 499 0303 004 GP1UM271XK TR501 269 0083 901 DTA114EKT96 TR502 269 0054 901 DTC144EKT96 TR503 269 0048 904 DTC143EK-T96...
  • Page 29 DRW-695 Ref. No. Part No. Part Name Remarks R572 247 2008 926 RM73B--222JT R581,582 247 2007 943 RM73B--102JT R583,584 247 2011 955 RM73B--513JT R597 247 2007 943 RM73B--102JT R598,599 247 2009 983 RM73B--103JT R661 247 2014 965 RM73B--105JT CAPACITORS GROUP...
  • Page 30: Parts List Of Exploded View

    DRW-695 PARTS LIST OF EXPLODED VIEW Ref. No. Part No. Part Name Remarks Q'ty 1U-3581 AUDIO PWB UNIT KU-9324 POWER PWB UNITIT 1U-3580 DISPLAY PWB UNIT 1U-3158 LED PWB UNIT 233 9676 006 POWER TRANS (E2) 206 2089 106 AC CORD W/CON.E2...
  • Page 31 DRW-695 Ref. No. Part No. Part Name Remarks Q'ty 204 8416 007 MINI JACK JK203 414 9187 000 SHIELD SHEET 113 9316 101 PUSH KNOB Black model 113 9316 114 PUSH KNOB Gold model 203 5121 004 3P CONN.WITH WIRE 204 0496 009 6P CONN.WITH WIRE...
  • Page 32: Exploded View

    DRW-695 EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
  • Page 33 DRW-695 EXPLODED VIEW OF CASSETTE MECHANISM Parts List M TYPE 05 -2 13PIN F REC METAL PACK R REC 05 -1 Q TYPE 10PIN PACK A :MOLLYKOTE EM-60L DOW CORNING CO.,LTD. 03 -1 : PB TYPE B :SCREW LOCK THREE BOND CO.,LTD.
  • Page 34 DRW-695 PARTS LIST OF CASSETTE MECHANISM EXPLODED VIEW 338 0183 123 CASSETTE MECHA CMAL2Z098B PLAY BACK ONLY 338 0182 124 CASSETTE MECHA CMAL2Z099B REC/PLAY BACK Ref. No. Part No. Part Name Remarks Q'ty 03-1 9DF 5138 11 Plate HD BLK (338 0183 026)
  • Page 35: Wiring Diagram

    DRW-695 WIRING DIAGRAM AUDIO P.W.B. 1U-3581 CX021 CB143 CX051 CW191 CX151 POWER P.W.B. KU-9324 CX131 CX152 LED P.W.B. 1U-3158 LED P.W.B. 1U-3158 CN241 CN242 CY131 CY152 DISPLAY P.W.B. 1U-3580 E. R/P HEAD PB HEAD MOTOR MOTOR...
  • Page 36: Note For Schematic Diagram

    DRW-695 NOTE FOR SCHEMATIC DIAGRAM 配線図について WARNING:  !   印の部品は安全を維持するために重要な部品です。 Parts marked with this symbol have critical charac- 従って交換時は必ず指定の部品を使用してください。 teristics. Use ONLY replacement parts recommended by the manufacturer. 注) CAUTION: (1) 指定なき抵抗値は Ω、k は kΩ、M は MΩ を Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to 示す。...
  • Page 37: Schematic Diagram

    DRW-695 SCHEMATIC DIAGRAM 10/50 AFS 10/50 AFS 1.5K CK272K 10/50 AFS CK272K 1.5K 0PEN 0PEN SCHEMATIC DIAGRAM...

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