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Please use this service manual with referring to the 修理の際は、必ず取扱説明書を参照の上、作業を行っ ● ● operating instructions without fail. てください。 Some illustrations using in this service manual are 本文中に使用しているイラストは、説明の都合上現物 ● ● slightly different from the actual set. と多少異なる場合があります。 TOKYO, JAPAN Denon Brand Company, D&M Holdings Inc. X0132V.03 DE/CDM 0609...
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DRA-201SA 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.
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DRA-201SA DISASSEMBLY (Follow the procedure below in reverse order when reassembling) 1. Top Cover Top Cover 1. Remove 4 screws on both sides. 2. Remove 5 screws on the Rear Panel. 3. Detach the Cover as shown in the arrow direction.
DRA-201SA 4. µ µ µ µ µ -com P.W.B. (1U-3382C-3) Power SW Unit 1. Remove 2 screws to detach the Power SW Unit. 2. Remove the Nut and 5 screws µ-com P.W.B. (1U-3382C-3) 5. Input PWB (1U-3382C-2) Remove 3 screws and 1 screw Input P.W.B.
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DRA-201SA ADJUSTMENT DC Voltmeter TP501 VR501 VR502 Trance TP502 Volume IDLING CURRENT Setup 1. Place the unit at an ordinary position avoiding direct air flow from an air-conditioner or fan. Do the adjustment at a temperature between 15 °C (59 °F) and 30 °C (86 °F).
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DRA-201SA CHECK Connection Diagram 1U-3393-1 Main P.W.B. (Component Side) Mod.Frequency : 400Hz Modulation : 30% AM SSG Test Loop Mod.Frequency : 1kHz : 90%(67.5kHz Dev.) Pilot : 10%(7.5kHz Dev.) 75kHz Dev. : 100% 60 cm FM ST SSG Loop Ant.
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— — — — — Positive power 17 P27/SCK0 DB_CLK — — — — DENON bus clock output 18 P26/SO0/SB1 DB_TXD — — — — DENON bus data output 19 P25/SO0/SB0 DB_RXD — — — — DENON bus data input...
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36 P03/INTP3 PROTECT — — — — Amp protect input 37 P02/INTP2 DBRXD — — — — DENON bus data input 38 P01/INTP1 50/60 — — — 50/60 Hz AC input 39 P00/INTP0 REMOCON — — — — Remote control input 40 V —...
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DRA-201SA TC9273N-004 (IC201) L-ch R-ch DATA Level Shift+Shift Regist Circuit GND CK DATA STB TC9459F (IC302) L-OUT R-OUT 50kW / 91STEP L-IN R-IN Same as L-ch L-LD1 R-LD1 L-LD2 R-LD2 L-A-GND R-A-GND L-ch 7 to 91 decoder R-ch 7 to 91 decoder...
DRA-201SA TC9184AP (IC304) CK DATA STB Level shift BASS+ BASS+ BASS- BASS- TREBLE- TREBLE- Code detect TREBLE+ TREBLE+ circuit 93LC66 (IC905) DUMMY BIT DATA REGISTER INSTRUCTION REGISTER R/W AMPS INSTRUCTION ADDRESS DECODE DECODER MEMORY ARRAY REGISTER CONTROL 256/512 X 8...
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DRA-201SA TRANSISTORS 2SA988 (E/F) 2SA1837 (Y) 2SC4495 (O/Y) 2SC1841 (E/F) 2SC4793 (Y) B (Base) E (Emitter) C (Collector) C (Collector) E (Emitter) E (Emitter) B (Base) C (Collector) B (Base) 2SK184C (GR)/(BL) 2SB1383 (P/Y) 2SB1328 2SD2083 (P/Y) FRONT VIEW S (Source)
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DRA-201SA DIODES (including LED) 1N4148 1SR35-400A MTZJ2.7A SLR-9335DS-91 (LD901) 1SS270A MTZJ3.3A MTZJ5.6A Green MTZJ6.2A MTZJ7.5C MTZJ18A Navy Blue MTZJ39A Green Anode Red Anode Common Cathode Black FMG22S FMG22R K (Cathode) A (Anode) A (Anode) K (Cathode) K (Cathode) A (Anode)
DRA-201SA 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.
DRA-201SA PARTS LIST OF P.W.B. UNIT *本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 * The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. * "nsp" 印の部品は常時在庫していませんので供給に長時間を要することがあります。場合によっては、供給をお断りする場合があります。 * Part indicated with the mark “nsp” 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.
DRA-201SA EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
DRA-201SA PACKING VIEW PARTS LIST OF PACKING & ACCESSORIES Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks Q'ty 201 505 0038 030 Poly cover 210 502 0965 007 Cushion(F-B) 202 511 3850 003 Inst manual(E2) 211 502 0966 006 Cushion(R-A) 203 515 0867 101 S.S.list(EX)
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DRA-201SA FORMING CUSHIONS narrow Cushion (F) Ass'y wide narrow wide wide Match the mark. narrow Match the narrow mark. wide narrow Cushion (R) Ass'y wide narrow wide wide Match the mark. narrow narrow Match the wide mark.
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DRA-201SA SCHEMATIC DIAGRAMS (1/2) +33.3V +15.2V +15.2V -15.7V -33.6V -15.8V +15.3V -15.9V +33.3 12.0V +15.4 +26.7 -35.3V -15.9 -33.6 -63.5V 5.0V 8.9V + B LINE - B LINE Rch SIGNAL LINE Lch SIGNAL LINE WARNING: NOTICE Parts marked with this symbol have critical characteristics.
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DRA-201SA SCHEMATIC DIAGRAMS (2/2) +5.06V -39V + B LINE - B LINE WARNING: NOTICE Parts marked with this symbol have critical characteristics. ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Use ONLY replacement parts recommended by the manufacture. ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD...
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