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LSI PIN DESCRIPTION (LSI端子機能表) ......16 (ICブロック図) IC BLOCK DIAGRAM ......... 17 (シート基板図) CIRCUIT BOARDS ........19 INSPECTIONS (検査) ............30/37 PARTS LIST このサービスマニュアルはエコパルプ (総回路図) OVERALL CIRCUIT DIAGRAMS (ECF:無塩素系漂白パルプ)を使用しています。 011652 HAMAMATSU, JAPAN PC9500N: 20020925-400000 1.361K-3611 Printed in Japan 2002.9 PC4800N: 20020925-330000...
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IMPOR TANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated.
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Power cord, Security cover, Owner’s Manual, Euroblock connector (2) 0 dB=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power) For European Model Purchaser/User information specified in EN55103-1 and EN55103-2. Inrush Current: 20A (PC9500N) / 25A (PC4800N) Conformed Environment: E1, E2, E3 and E4.
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PC9500N/PC4800N (分解手順) DISASSEMBLY PROCEDURE トップカバー(所要時間:約 2 分) Top Cover (Time required: about 2 minutes) Remove the nine (9) screws marked [260]. The top [260]のネジ 9 本を外し、トップカバーを外します。 cover can then be removed. (Fig. 1) (Fig.1) リア Ass’y(所要時間:約 4 分) Rear Assembly (Time required: about 4 minutes) トップカバーを外します。...
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PC9500N/PC4800N IN 1/5 Circuit Board (Time required: about 5 minutes) IN 1/5 シート(所要時間:約 5 分) Remove the top cover. (See Procedure 1.) トップカバーを外します。 (1 項参照) Remove the rear assembly. (See Procedure 2.) リア Ass’ y を外します。 (2 項参照) Remove the two (2) screws marked [R310] and then [R310]のネジ2本を外し、...
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PC9500N/PC4800N [200] [190b] [190a] Side Cover R Side Cover L (サイドカバーR) (サイドカバーL) [170] [170] [170]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) ボンディングBタイト [190]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900) ボンディングBタイト [200]: Bind Head Screw 3.0X4 MFZN2BL (VR139400) +バインド小ネジ Fig.4 DC ファン(所要時間:約 4 分)...
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ネジ[P70] (PC9500N:33 本、PC4800N:25 本)と diode marked [P70] (33 screws for PC9500N, 25 [P76]のネジ 3 本、 [P40]のネジ 6 本を外し、PA シー screws for PC4800N), three (3) screws marked [P76] トを外します。 (Fig.7) and six (6) screws marked [P40]. The PA circuit board can then be removed. (Fig. 8)
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PC9500N/PC4800N PA5: not installed PA5: not installed [P76] [P70] [P70] [P40] [P40] [P40] PA5: not installed PA5: not installed [P76] [P70] [P70] [P40]: Bind Head Screw 3.0X6 MFZN2BL (EG330360) +バインド小ネジ +バインド小ネジ [P70]: Bind Head Screw-SP 3.0X12 MFZN2Y (VB763800) +バインド小ネジ...
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PC9500N/PC4800N (LSI 端子機能表) LSI PIN DESCRIPTION PC9500N IN10: IC801 HD6437042AF28 (X2263100) CPU PC4800N IN5: IC801 NAME FUNCTION NAME FUNCTION TIOC4/DACK0/PE14 MTU I/O / DMA acknowledge / Port E PE15 Port E Data bus Ground Ground Data bus Power supply Address bus...
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PC9500N/PC4800N (シート基板図) CIRCUIT BOARDS CONTENTS (目次) IN 1/5 Circuit Board (X2073C0) ............. 20 IN 2/5 Circuit Board (X2073C0) ............. 22 IN 3/5 Circuit Board (X2073C0) ............. 22 IN 4/5 Circuit Board (X2073C0) ............. 23 IN 5/5 Circuit Board (X2073C0) ............. 23 PA Circuit Board (X2074C0) ............
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PC9500N/PC4800N IN 1/5 Circuit Board (PC9500N: IN10, PC4800N: IN5) SPEAKERS OUTPUT from PS-W102 from PS-W103 from PA BCH-W204 from PA ACH-CN205 from PA ACH-W204 from PA ACH-CN205 CN603: to PA ACH-CN202 CN604: to CN601: to IN 2/5-CN701 CN602: f IN: 3NA-V848170...
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PC9500N/PC4800N PA BCH-W204 ACH-CN205 from PA ACH-CN201 from PA BCH-CN201 CN402: to IN 5/5-CN401 CN406: to IN 3/5-CN407 ACH-CN202 CN604: to PA BCH-CN202 CN405: to IN 4/5-CN801 to IN 2/5-CN701 CN602: from PS-CN102 (部品側) Component side Pattern side (パターン側) IN: 3NA-V848170...
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PC9500N/PC4800N IN 2/5 Circuit Board CN701: to IN 1/5-CN601 (部品側) Component side Pattern side (パターン側) IN 3/5 Circuit Board CN407: to IN 1/5-CN406 Pattern side (パターン側) (部品側) Component side IN: 3NA-V848170...
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PC9500N/PC4800N IN 4/5 Circuit Board IN 5/5 Circuit Board CHANNEL INPUT CN801: to IN 1/5-CN405 HPF 40Hz BRIDGE from IN 1/5-CN402 (部品側) Component side AMP ID DATA PORT (部品側) Component side Pattern side (パターン側) Pattern side (パターン側) IN: 3NA-B848170...
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PC9500N/PC4800N PA Circuit Board (PC9500N: PA10, PC4800N: PA5) PA ACH: from IN 1/5-CN603 PA BCH: from IN 1/5-CN604 Q235N Q236N Q237N Q238N Q239N Q240N Q241N Q234N Q221N PA ACH: from IN 1/5 -CN609 PA BCH: from IN1/5 -CN610 PA ACH:...
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PC9500N/PC4800N Following semi-conductors are installed for the PA unit. (下記半導体はPAユニットで取付さ PA ACH: to PS-CN105 れます。) PA BCH: to PS-CN108 Circuit board ref. Q242N Q243N Q243N Q244N Q245N Q228 Q230 Q232 D241 PA10 D242 ○ ○ Q233 ○ Q231 ○ ○...
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to IN 1/5-CN606 from PA ACH-W201 from PA ACH-W202 from PA ACH-W203 AC IN to IN10 1/5 -CN602 from FAN ACH from FAN BCH POWER ON/OFF from PA BCH-W203 from PA BCH-W201 to IN10 1/5-CN607 from PA BCH-W202...
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to IN5 1/5-CN606 from PA ACH-W202 from PA ACH-W201 from PA ACH-W203 AC IN to IN5 1/5 -CN602 from FAN ACH from FAN BCH POWER ON/OFF from PA BCH-W203 from PA BCH-W201 from PA BCH-W202 to IN5 1/5-CN607...
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PC9500N/PC4800N INSPECTIONS 1. Inspections in STEREO mode and PARALLEL mode 1.1 Preparation Input attenuator Input terminal XLR-3-31 type connector No.2: hot No.1,3: ground MODE SW STEREO Output terminal Unless otherwise specified, load resistance: 8Ω, Non-inductive resistance, power capacity: 1kW or more...
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PC9500N/PC4800N 1.2.8 Channel separation Feed the sine wave as specified below to the input terminal of one channel and measure the output voltage. Also, measure the output voltage at the other channel grounded via a 600Ω resistance and check that the voltage measured here is less than - 70dB as compared with the above measured voltage (0dB).
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2.3.2 REMOTE, MODEL ID check Using the keyboard of Windows PC, press the return key once and check that REMOTE LED lights up. The monitor screen appears as shown below (for PC4800N). MODEL ID: 0 (PC9500N), MODEL ID: 1 (PC4800N) MODEL ID : 1(PC4800N)
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PC9500N/PC4800N 2.3.3 Automatic inspection 2.3.3.1 TEST 10 (STANDBY, PROTECT) Using the keyboard of Windows PC, enter 00 and check that PROTECTION LED lights up and POWER LED lights in orange. (POWER LED lights in orange for about 2 seconds and then changes to green.) The monitor screen appears as shown below and judgment is made automatically.
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PC9500N/PC4800N 2.3.3.5 TEST 50 (MUTE) The monitor screen appears as shown below and judgment is made automatically. >>50:MUTE TEST MUTE ON VSP(CH A): 0.00V--<OK> VSP(CH B): 0.00V--<OK> ------------------<TEST50:K> When the TEST 50 result is OK, “——————<TEST 50:OK>” appears on the screen.
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PC9500N/PC4800N 2.3.3.8 TEST 80 (MONITOR) The monitor screen appears as shown below and judgment is made automatically. >> 80:MONITOR TEST TEMP(CH A):29C--<OK> TEMP(CH B):28C--<OK> Vpre(CH A):0.67V--<OK> Vpre(CH B):0.65V--<OK> VSP(CH A):29.95V--<OK> VSP(CH B):30.28V--<OK> ISP(CH A):3.37A--<OK> ISP(CH B):3.30A--<OK> ------------------<TEST80:OK> When the TEST 80 result is OK, “—————<TEST 80:END>” appears on the screen.
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PC9500N/PC4800N BRIDGE mode 3.1 Preparation Input attenuator Operation for Ach only. MAX. Input terminal XLR-3-31 type MODE switch BRIDGE Output terminal Ach + and Bch+ used. DATA port Unused AMP ID switch 1,2,4,8,16,T OFF Load resistor 8Ω+8Ω non-inductive resistance, power capacity 1kW or more Connection of measuring instrument Connect to the mid-point of load resistor with the ground floated.
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PC9500N/PC4800N 検査 STEREO モード、PARALLEL モード時の検査 1.1 準備 入力アッテネーター 入力端子 XLR-3-31 type 2 番ホット 1,3 番アース MODE SW STEREO 出力端子 指定のない場合は、負荷抵抗 8 Ω 無誘導抵抗 電力容量 1KW 以上 DATA PORT 使用しない。 AMP ID SW 1, 2, 4, 8, 16, T OFF その他 指定のない場合は、両 ch 駆動とする。...
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<<<<< PC-N Series Amplifier Test Program >>>> - FIRMWARE VERSION: V*.** - TEST PROGRAM VERSION: V*.** *.**: バージョン番号 2.3.2 REMOTE、MODEL ID 検査 Windows PC のキーボードよりリターンを1回入力します。REMOTE LED が点灯することを確認します。 そのときモニタ画面が次の文字を表示します。 (下記は PC4800N の場合です。 ) MODEL ID : 0(PC9500N) 、MODEL ID : 1(PC4800N) MODEL ID : 1(PC4800N)
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PC9500N/PC4800N 2.3.3 自動検査 2.3.3.1 TEST 10 検査(STANDBY,PROTECT) Windows PC のキーボードより 00 の文字を入力します。 (半角文字) PROTECTION LED が点灯し、POWER LED が橙色に点灯します。 (POWER LED は約 2sec の間、橙色に点灯します。その後、緑色に変わります。 ) モニタ画面が次の文字を表示し、自動で判定を行います。 >>00:ALL TEST >>10:POWER TEST Waiting for PROTECTION=NONE... PROTECTION :NONE--<OK> POWER:STANDBY Wait 2sec.. PROTECTION :ON--<OK> POWER:ON ------------------<TEST10:OK> TEST10 が OK の場合は...
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PC9500N/PC4800N 2.3.3.4 TEST 40 検査(ATT) モニタ画面が次の文字を表示し、自動で判定を行います。 >>40:ATT TEST ATT=-6dB VSP(CH A):14.64V--<OK> VSP(CH B):14.75V--<OK> ------------------<TEST40:OK> TEST40 が OK の場合は ------------------<TEST40:OK> が表示されます。 TEST40 終了後自動で TEST50 に進みます。 2.3.3.5 TEST 50(MUTE) モニタ画面が次の文字を表示し、自動で判定を行います。 >>50:MUTE TEST MUTE ON VSP(CH A): 0.00V--<OK> VSP(CH B): 0.00V--<OK> ------------------<TEST50:K> TEST50 が OK の場合は...
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PC9500N/PC4800N BRIDGE モード 3.1 準備 入力アッテネーター A ch のみ作動。MAX。 入力端子 A ch XLR-3-31 type(2 番ホット、13 番ホット) MODE SW BRIDGE 出力端子 Ach +、Bch + を使用。 DATA PORT 使用しない。 AMP ID SW 1, 2, 4, 8, 16, T OFF 負荷抵抗 8 Ω + 8 Ω 無誘導抵抗、電力容量 1kW 以上...
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OVERALL CIRCUIT DIAGRAMS (目次) CONTENTS PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 1/8 (IN 1/5, IN 3/5, IN 5/5) ... C1 PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 2/8 (IN 1/5) ......C2 PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 3/8 (IN 2/5) ......C3 PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 4/8 (IN 1/5) ......C4 PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 5/8 (IN 4/5) ......
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PC9500N/PC4800N PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 1/8 (IN 1/5, IN 3/5, IN 5/5) from IN10 1/5 M5 (P.C2) IN 1/5 from IN 1/5 J10 (P.C2) from IN 1/5 B8 (P.C2) from IN 1/5 B7 (P.C2) from IN 1/5 A2 (P.C1) from IN 1/5 N8 (P.C2)
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PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 2/8 (IN 1/5) PC9500N/PC4800N IN 1/5 to IN 1/5 F2 (P.C4) to IN 1/5 F4 (P.C4) from PA Ach-CN205 to IN 1/5 C1 (P.C4) to IN 1/5 P2 OP AMP (P.C1) OP AMP to IN10 1/5 (P.C4) from PA Bch-CN205 to IN 1/5 P1 (P.C1)
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PC9500N/PC4800N PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 3/8 (IN 2/5) IN 2/5 LED DRIVER LED DRIVER to IN 1/5 TP749 -CN601 TP748 UDZS-13B : Ceramic Capacitor ( セラコン ) 2 . 2 k Note : See parts list for details of circuit board component parts.
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PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 4/8 (IN 1/5) PC9500N/PC4800N from IN 2/5 F2 (P.C2) IN 1/5 to IN 1/5 D8 (P.C1) from IN 1/5 D8 (P.C1) to IN 1/5 D8 (P.C1) to IN 1/5 H8 (P.C1) from IN 1/5 K1 (P.C2)
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PC9500N/PC4800N PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 5/8 (IN 4/5) IN 4/5 SYSTEM RESET INVERTER from IN 1/5-CN405 AMP ID DATA PORT 3NA-V848170 Note : See parts list for details of circuit board component parts. 注 : シートの部品詳細はパーツリストをご参照下さい。 PC9500N/PC4800N PC9500N/PC4800N...
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PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 6/8 (PA) PC9500N/PC4800N N.C. OFFSET ADJUST MENT PA Ach: from IN1/5-CN403 PA Ach: to PS-CN105 PA Bch: from IN1/5-CN404 PA Bch: to PS-CN108 PA Ach: to PS-CN106 PA Bch: to PS-CN109 PA Ach: to PS-CN107 PA Ach: from IN 1/5-CN609...
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PC9500N/PC4800N PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 7/8 (PS10) REGULATOR +5V REGULATOR +15V AC IN NJM7815FA (XD853A00) REGULATOR +15V NJM7805FA (XJ607A00) REGULATOR +5V 1: INPUT 2: GND 3: OUTPUT NJM7915FA (XD854A00) REGULATOR -15V REGULATOR +15V 1: OUTPUT from PA Ach 2: COMMON...
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PC9500N/PC4800N OVERALL CIRCUIT DIAGRAM 8/8 (PS5) PC9500N/PC4800N REGULATOR +5V REGULATOR +15V Power Switch POWER TRANSFORMER AC cord from PA Ach-W201 from PA Ach-W202 from PA Ach-W203 from PA Bch-W201 from PA Bch-W202 from PA Bch-W203 REGULATOR +15V to IN5-CN602 REGULATOR -15V...
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(総組立) OVERALL ASSEMBLY ..........2 (PC9500N電気部品) ELECTRICAL PARTS PC9500N ....6 (PC4800N電気部品) ELECTRICAL PARTS PC4800N .... 21 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model C : Canadian model...
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PC9500N/PC4800N (総組立) OVERALL ASSEMBLY Rear Assembly (リアAss'y) (J) model is not installed. R20a R20e PA Unit (PAユニット) 30 2/2 R20b R20c J model 30 1/2 F140 F130 R20d F190 F120 F110 F140 F180 F160 F150 F130 F100 F170 F120 F180 Front Assembly (フロントAss'y)...
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PC4800N PART NO. DESCRIPTION 部 品 名 REMARKS REF NO. RANK チ ッ プ 金 被 抵 抗 R424 V I 1 9 7 8 0 0 Metal Film Resistor(chip) 15.0K 1/10 D R425 V I 1 9 7 8 0 0 Metal Film Resistor(chip) 15.0K 1/10 D...
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