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Authorized Technical Service Only
サービス資格のある技術者が使用して下さい
Power Amplifier P -7100
P - 71 00 Schematic Diagram
CAUTION / 注意
These servicing instructions are for use by qualified personnel only.
To reduce the risk of electric shock do not perform any servicing
other than that contained in the operating instructions unless you are
qualified to do so. Refer all servicing to qualified service personnel.
ここに記載したサービスに関する指示事項は、サービスに関する資格を
有する者のみが使用するものです。感電防止の観点から、サービス資格
を有していない方は、取扱指示事項以外のサービスは絶対に行わないよ
うにして下さい。
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of special part number.
このマークのついている部品は、安全上重要な部品です。
必ず指定されている部品番号の部品を使用して下さい。
Service Information
STARTING WITH SERIAL No. G6Y001
回路図
Bi-lingual
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Summary of Contents for Accuphase P-7100
- Page 1 Bi-lingual Service Information STARTING WITH SERIAL No. G6Y001 Authorized Technical Service Only サービス資格のある技術者が使用して下さい Power Amplifier P -7100 回路図 P - 71 00 Schematic Diagram CAUTION / 注意 These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
- Page 2 EXPLANATION OF SURFACE PARTS （外観部品） ★ Front Glass Meter ﾌﾛﾝﾄｶﾞﾗｽ ﾒｰﾀ Decoration Screw (172-0142-03) (178-2042-00) 飾りﾈｼﾞ /4pcs. (630-0306-04) Heat Sink Washer ﾋｰﾄｼﾝｸ ﾜｯｼｬ/4pcs. (240-0072-20) (637-9050-04) Handle 取手 (132-0105-03) Spacer ｽﾍﾟｰｻ (250-1154-14) Handle ★ Push-button for METER/INPUT 取手 Push-button for POWER Knod for Gain ﾌﾟｯｼｭﾎﾞﾀﾝ×2pcs.
- Page 3 FRONT VIEW (前面) Meter/ﾒｰﾀ ★ ★ ★ (178-2042-00) ★ ★ 1pce. Front Panel=131-0191-01 1pce. Knob=380-1501-04 ﾌﾛﾝﾄﾊﾟﾈﾙ ﾂﾏﾐ 1pce. Sub-panel=134-0158-02 1pce. Front Glass=172-0142-03 ｻﾌﾞﾊﾟﾈﾙ ﾌﾛﾝﾄｶﾞﾗｽ Handle=132-0114-03 2pcs. 4pcs. Decoration Screw=630-0306-04 取手 飾りﾈｼﾞ Front Panel Assembly 1pce. Push-button=388-5061-13 4pcs. 8-1. Washer=637-9050-04 ﾌﾛﾝﾄﾊﾟﾈﾙ Ass'y ﾌﾟｯｼｭﾎﾞﾀﾝ...
- Page 4 TOP VIEW (上面) Output Assembly ｱｳﾄﾌﾟｯﾄ Ass'y (716-0740-00) Heat Sink Heat Sink ﾋｰﾄｼﾝｸ ﾋｰﾄｼﾝｸ (240-0072-20) (240-0072-20) Power Transformer Power Amp Assembly ﾊﾟﾜｰﾄﾗﾝｽ (510-2060-00) ﾊﾟﾜｰｱﾝﾌﾟ Ass'y Name Plate (717-0089-10) ﾈｰﾑﾌﾟﾚｰﾄ (180-3059-04) Power Amp Assembly Electrolytic Capacitor ﾊﾟﾜｰｱﾝﾌﾟ Ass'y ｱﾙﾐ電解ｺﾝﾃﾞﾝｻ (717-0089-10) C002,003:56,000μF/80V (CE331WG1K563CAQ) Meter Lamp(R)Assembly Meter Lamp(L)Assembly...
- Page 5 FRONT VIEW (Sub-chassis side) （ サブシャーシ前面図 ） LED Assembly (723-0122-00) LED / D1,2 (SDPW3DGOBO-J) Input LED Assembly Bridge LED Assembly ｲﾝﾌﾟｯﾄLED Ass'y ﾌﾞﾘｯｼﾞLED Ass'y (723-0130-00) (723-0131-00) Meter ﾒｰﾀｰ (178-2042-00) Foot Power Push Switch 脚 ﾊﾟﾜｰｽｲｯﾁ (238-0023-00) (354-1023-00) Binding Serew/脚用 Rink ﾌﾞﾚｻﾞｰﾀｯﾌﾟﾀｲﾄ/4×14 ﾘﾝｸ...
- Page 6 MISCELLANEOUS( 本体その他使用部品） Parts No.(部品No.) Description(部品名) Description(部品 名) Parts No.(部品No.) Remarks(備考) Remarks(備考) PC Board for Screws for Front Panel / ﾌﾛﾝﾄﾊﾟﾈﾙ用 Out Put Assembly 115-1685-00 4×12mm 6pcs. ﾈｼﾞ類 Flat Head /皿Bﾀｲﾄﾈｼﾞ 613-0412-01 Input Assembly 115-1686-00 Handle /ﾌﾛﾝﾄﾊﾟﾈﾙ用 Inrush Protector Ass'y 115-1689-00 Hexa Hole bolt/六角穴ﾂｷﾛｯｸﾈｼﾞ...
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Page 7: Output Assembly
Output Assembly (716-0740-00) ｱｳﾄﾌﾟｯﾄ Ass'y RELAY3 RELAY5 RELAY1 RELAY2 RELAY4 Choke Coil L1,2 506-0009-00 Diode D1,3 1SR139-400 ﾁｮｰｸｺｲﾙ ﾀﾞｲｵｰﾄﾞ MA165 Polyester Capacitor C1,2,3,4 CQ922M2A473K-BF 0.047uF100V Connector Purg 308-0707-00 ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ ｺﾈｸﾀﾌﾟﾗｸﾞ Oxide Metal Film Resistor R1,6 RS143FA200JS-P 20Ω 2W Tarminal T1,2,3,4 314-0523-04 金属酸化物皮膜抵抗器... - Page 8 Input Switch Assembly (716-0742-00) ｲﾝﾌﾟｯﾄｽｲｯﾁ Ass'y PC Board 115-1687-00 PC ﾎﾞｰﾄﾞ Connector Plug 308-0306-00 ｺﾈｸﾀﾌﾟﾗｸﾞ Push Switch S1,2 354-1116-00 ﾌﾟｯｼｭｽｲｯﾁ Ceramic Capacitor C1,2 CK92Y5VH104Z 0.1uF/50V 磁器ｺﾝﾃﾞﾝｻ Gain Switch Assembly (716-0743-00) ｹﾞｲﾝｽｲｯﾁ Ass'y PC Board 115-1688-00 PC ﾎﾞｰﾄﾞ Connector Prug 308-0514-00 ｺﾈｸﾀﾌﾟﾗｸﾞ...
- Page 9 Diode(A) Assembly (716-0745-00) ﾀﾞｲｵｰﾄﾞ(A) Ass'y PC Borad 115-1690-00 PC ﾎﾞｰﾄﾞ Diode S25VB60 ﾀﾞｲｵｰﾄﾞ Oxide Metal Film Resistor RS143DA100JS-P 100 Ω 金 属 酸 化物 皮 膜 抵抗 器 Diode(B) Assembly (716-0746-00) ﾀﾞｲｵｰﾄﾞ(B) Ass'y PC Borad 115-1691-00 PC ﾎﾞｰﾄﾞ Connector Plug 308-0207-00 ｺﾈｸﾀﾌﾟﾗｸﾞ...
- Page 10 Power Amp Assembly (717-0089-10) ﾊﾟﾜｰｱﾝﾌﾟ Ass'y R107 R109 C 46 Connector JackAssembly ｺﾈｸﾀｼﾞｬｯｸAss'y W1,2,3,4,5,6 (309-2649-14) R106 Polyester Capacitor C5,8 CQ922M2A473K-BF 0.047uF/100V Transistor Insulator 250-1224-04 絶縁ｽﾍﾟｰｻ ﾎﾟﾘｴｽﾃﾙｺﾝﾃﾞﾝｻ C6,7,19～22, CF922MF2E104KDAZ 0.1uF/250V 33～36,41,42 Connector Plug 308-0416-00 C43,44 CQ922M2A103K-B 0.01uF /100V ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0212-00 TP1,2 (Test Point) 308-0221-00 Polypropylen C9,10...
- Page 11 Protection Assembly (720-0077-10) ﾌﾟﾛﾃｸｼｮﾝ Ass'y IC9 IC11 RELAY3 VR2 VR3 RELAY1 RELAY2 IC10 K101 IC14 IC4 IC6 IC12 IC13 Connector Plug 308-0308-00 Didital Tarnsistor RN2223 ｺﾈｸﾀﾌﾟﾗｸﾞ 308-0509-00 ﾃﾞｨｼﾞﾀﾙﾄﾗﾝｼﾞｽﾀ X2,3 RN1202 308-0207-00 308-0707-00 Polyester Film C5,10,23,27,45 CF922N1H334JL 0.33uF/50V K5,101 308-0508-00 Capacitor 308-0214-00 積層ｺﾝﾃﾞﾝｻ...
- Page 12 CIRCUIT ADJUSTMENT ( 回 路 調 整 ) Notes ※1. Internal input resistance of volt-ohm meter should be higher than 10k-ohms. テ ス タ ーは 、 入 力 抵 抗10kΩ 以 上 のもの をお 使 い下 さ い。 ※2. Adjustments should be made in case of the PC Board or Transistors being changed. 調...
- Page 13 PACKING (梱包図 Sticker ｽﾃｯｶ /3pcs. (180-9117-24) Top Carton Box 上 箱ﾀﾞﾝﾎﾞｰﾙ (800-0274-04) Joint /6pcs. ｼﾞｮｲﾝﾄ (249-0012-00) Top Pad Case ﾄｯﾌﾟﾊﾟｯﾄﾞｹｰｽ Wrapping Sheet (801-0248-00) ｼｰﾄ (810-4545-04) Accessories Case 付 属品ｹｰｽ (801-0247-20) Top Pad (R) ﾄｯﾌﾟﾊﾟｯﾄﾞ (803-0320-00) for AC cord Poly Bag ﾋﾞﾆｰﾙ袋/電源ｺｰﾄﾞ用...
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Page 14: Service Information
No. P-7100-001 Service Information Accuphase Laboratory Inc. Issued 2006-8-21 MODEL : P-7100 SUBJECT : Stabilization of the maximum output at the time of power-supply-voltage change is improved. 項 目 ： 電 源 電 圧 変 動 時 の 最 大 出 力 の 安 定 化 を 改 善... - Page 15 No. P-7100-002 Service Information Accuphase Laboratory Inc. Issued 2006-8-9 MODEL : P-7100 SUBJECT : Noise generating at the time of a power supply OFF is prevented at the time of unbalanced connection and input switch positionof balance. 項 目 ：ｱﾝﾊﾞﾗﾝｽ接続､ﾊﾞﾗﾝｽ切替時、電源OFF時のﾉｲｽﾞ発生を防止...
- Page 16 No. P-7100-003 Service Information Accuphase Laboratory Inc. Issued 2007-3-28 MODEL : P-7100 SUBJECT : Hum noise generated immediately after a power supply ON is prevented. 項 目 ： 電 源 投 入 時 の ハ ム ノ イ ズ を 防 止 す る...
- Page 17 P - 7 1 0 0 M A S T E R C I R C U I T D I A G R A M 308-0521-00 L CHANNEL INPUTS R CHANNEL INPUTS 22mV GND-C 125W/8ohm(31.62V) L-BAL+ 250W/4ohm(31.62V) L-BAL- 369-0029-00 500W/2ohm(31.62V) 309-2281-04 H-GND...
- Page 18 I N P U T S W I T C H A S S ' Y O U T P U T A S S ' Y ( 7 1 6 - 0 7 4 0 - 0 0 ) ( 7 1 6 - 0 7 4 2 - 0 0 ) LCH OUT RELAY1...
- Page 19 I N P U T A S S ' Y ( 7 1 6 - 0 7 4 1 - 0 0 ) L E D A S S ' Y ( 7 2 3 - 0 1 2 2 - 0 0 ) +17.4V 330p 100n...
- Page 20 P O W E R A M P A S S ' Y ( 7 1 7 - 0 0 8 9 - 1 0 ) +18V 309-2281-04 100n 369-0029-00 250V IC1A 1.91kF 0.5W NJM5532D-D HZ9A2L HZ9A2L 4.42kF 0.5W 100n CGND -18V 250V...
- Page 21 P R O T E C T I O N A S S ' Y ( 7 2 0 - 0 0 7 7 - 1 0 ) +12V TA7318P-2 to Bridge-LED BRG-LED+ -30dB 6.8k BRG-LED- 308-0214-00 100k 4.7u 680p 362-2232-00 308-0206-00 583-0156-00...
- Page 22 BLOCK DIAGRAM （ブロックダイヤグラム） － ２１ －...
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Page 23: Specifications
Maximum di mensions 465 mm (18-5/16") width 49.0kg 質 量 258 mm (10-3/16") height 545 mm (21-7/16") depth 49.0 kg (108.0 lbs) net Weight 58.0 kg (127.9 lbs) in shipping carton 0801 861-3158-00 ACCUPHASE LABORATORY INC. Printed in Japan 2-14-10 SHIN-ISHIKAWA, AOBA-KU, YOKOHAMA, JAPAN...
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