Yamaha TX-497 страница 20 Скачать руководство пользователя | Manualshive

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TX-497

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PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used

(Side B)

OPE P.C.B. (3)

OPE P.C.B. (1)

(Side B)

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Содержание TX-497

Страница 1: ...le to the unit s indicated on the cover The research engineering and service departments of YAMAHA are continually striving to improve YAMAHA products Modifications are therefore inevitable and specifications are subject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static discharges can destroy e...

Страница 2: ...TING TABLE About leadfree solder 無鉛ハンダについて The P C B s installed in this unit are soldered using the following solder 本機に搭載されている基板のハンダ付けに使用されているハンダは下記の通りです無鉛ハンダにはいくつかの種類がありますが修理時には下記のような無鉛ハンダの使用を推奨します Sn Ag Cu 錫銀銅 Sn Cu 錫銅 Sn Zn Bi 錫亜鉛ビスマス注意無鉛ハンダの融点温度は通常の鉛入りハンダに比べ30 40 程度高くなっていますのでそれぞれのハンダに合ったハンダごてをご使用ください鉛入りハンダを使わざるを得ない場合はあらかじめ交換する部品端子部やその周辺部の無鉛ハンダをすべて取り除くかあるいは無鉛ハンダと鉛入りハンダが十分に溶...

Страница 3: ...to Noise Ratio 信号対雑音比 50 dB Image Response Ratio イメージ妨害比 40 dB Spurious Response Ratio スプリアス妨害比 50 dB Harmanic Distortion 歪率 0 3 LW SECTION Tuning Range B G E models 153 to 288 kHz Usable Sensitivity B G E models 400 µV m Selectivity B G E models 32 dB Signal to Noise Ratio B G E models 50 dB Image Response Ratio B G E models 40 dB Spurious Response Ratio B G E models 50 dB Harmanic Distortion B G...

Страница 4: ...4 TX 497 TX 497 FRONT PANELS U C R T A L J models B G E models U C models R L models REAR PANELS ...

Страница 5: ...5 TX 497 TX 497 A model B G E models J model T model ...

Страница 6: ...over rearward to remove it Fig 1 e Remove the Front Panel Unit Fig 1 d Unhook at 2 place Fig 1 INTERNAL VIEW Tuner P C B Front end pack Operation P C B 2 Operation P C B 3 Operation P C B 1 Operation P C B 4 R L models r e r t t 番号順に部品を取り外してください 1 トップカバーの外しかた 2 フロントパネルユニットの外しかた a CB3とCB4をコネクターから抜きます Fig 1 b のネジを3本外します Fig 1 のネジには矢印マークが刻印されています c のネジ2本を外します Fig 1 a のネジ4本のネジ2本を外します Fig 1 b トップカバーを...

Страница 7: ... down the user preset memory content in the table as shown below This is because setting to the TEST mode will cause the memory content to be the factory preset memory content i e all the user preset memory content will be erased User preset memory content Preset keys P1 P2 P3 P4 P5 P6 P7 P8 A B C D E TEST mode Turn on the POWER switch while pressing the A B C D E and FM AM FM MW LW keys simultane...

Страница 8: ...point L8 right side L8 left side L8 right side L8 left side Frontend IFT VR1 VR2 Reception frequency Preset A 4 98 1 MHz Same as Step 1 Same as Step 1 Same as Step 1 Same as Step 1 Same as Step 1 Same as Step 1 Rating DC 0 V 100mV at tuning point Minimize distortion DC 0 V 50mV Minimize distortion to less than 0 7 DC 0 V 50mV Adjust so that the DC voltage is maximum CAUTION If IFT core is turned e...

Страница 9: ...06 1 MHz Preset A 4 98 1 MHz Preset A 4 98 1 MHz Preset A 4 98 1 MHz Rating Minimize distortion to less than 0 7 Minimize distortion to less than 1 4 Tuning mode is AUTO S N should be 30 dB at each frequency of 88 1 MHz 98 1 MHz and 106 1 MHz Make sure that the voltage at the ANT terminal is 3 dBµ 7 dBµ at A B G E models or less To more than 35 dB Tuning mode is AUTO Adjust so that the signal mete...

Страница 10: ...kHz 90 dBµ ANT input 90 dBµ ANT input 10 dBµ or less AM SG 1080 kHz 60 dBµ 1 kHz 30 modulation Adjusted point L5 Tuning button Reception frequency Preset B 1 630 kHz Preset B 1 630 kHz B 2 1080 kHz B 3 1440 kHz Preset B 2 1080 kHz Preset B 2 1080 kHz Rating Maximize detected signal output To be less than 54 dBµ Make sure that the signal meter is turned on Make sure that the signal meter is turned ...

Страница 11: ...utton Reception frequency Preset C 2 171 kHz C 3 225 kHz C 4 270 kHz Preset B 2 225 kHz Preset B 2 225 kHz Rating To be less than 66 dBµ Make sure that the signal meter is turned on Make sure that the signal meter is turned off Automatic reception should be available when the tuning UP or DOWN key is pressed Audio muting should be applied during tuning Test point OUTPUT LW TUNER SECTION To be adju...

Страница 12: ...12 TX 497 TX 497 調整 ...

Страница 13: ...13 TX 497 TX 497 ...

Страница 14: ...14 TX 497 TX 497 ...

Страница 15: ...15 TX 497 TX 497 ...

Страница 16: ...6 PC0 O P1 FL segment 44 S17 PC1 O P2 FL segment 45 S18 PC2 O P3 FL segment 46 S19 PC3 O P4 FL segment 47 S20 PC4 O P5 FL segment 48 S21 PC5 O P6 FL segment 49 S22 PC6 O P7 FL segment 50 S23 PC7 O P8 FL segment 51 S24 PD0 O P9 FL segment 52 S25 PD1 O P10 FL segment 53 S26 PD2 O P11 FL segment 54 S27 PD3 O P12 FL segment 55 S28 PD4 O P13 FL segment 56 S29 PD5 O P14 FL segment 57 S30 PD6 O P15 FL se...

Страница 17: ...1G 13G Grid 13G 12G 11G 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G P1 PRESET a a a a a a a a a a a AUTO P2 MEMO b b b b b b b b b b b kHz P3 PS c c c c c c c c c c c MHz P4 PS d d d d d d d d d d d ST P5 PTY e e e e e e e e e e e B1 P6 PTY f f f f f f f f f f f B2 P7 RT g g g g g g g g g g g B3 P8 RT h h h h h h h h h h h B4 P9 CT j j j j j j j j j j j B5 P10 CT k k k k k k k k k k k B6 P11 EON m m m m m m m ...

Страница 18: ... C L 1 C I 9 1 5 1 0 5 W S R E X I M C S O C G A 6 1 Q 0 1 L FM AM MUTING L L P E T U M D N I T S 3 L X 2 1 L 3 1 L F P L h c L h c R E T U M W S 0 2 9 1 Q 3 2 2 2 Q L O R T N O C R E D O C E D S I S A H P M E E D M A T E D R E T E M S D E L R E V I R D 5 L 5 1 Q E R U T A R D A U Q T E D T E D M F L I O C F I R E F F U B F I R E F F U B 2 1 R V 5 2 Q C S O R E F F U B 1 K P L L P M O C C I F I M ...

Страница 19: ... C R J B G STEREO DISTORTION SEPARATION B D N G N A B GNDD 5V B TMUT RSYN RCE RDI RDO RCL PLDO PLDI PLCL PLCE MMUT MTR VER GNDD TUNER P C B Side A Side A OPE P C B 3 OPE P C B 1 OPE P C B 2 B ANGND B Side A Side A OPE P C B 4 Side A R L Models DG VP FL2 FL1 GNDD 5V B TMUT RSYN RCE RDI RDO RCL PLDO PLDI PLCL PLCE MMUT MTR VER GNDD 8 7 6 5 4 3 2 1 FREQ TEXT EON MODE START AUTO MAN L TUNING MAN L AUT...

Страница 20: ...A B C D E F G H 1 2 3 4 5 6 TX 497 20 PRINTED CIRCUIT BOARD Foil side Lead Free Solder Used Side B OPE P C B 3 OPE P C B 1 Side B ...

Страница 21: ...8 6 8 6 STEREO DISTORTION MONAURAL DISTORTION AM SENSITIVITY 8 8 8 8 6 0 6 0 2 4 2 4 2 7 2 2 3 1 2 9 2 5 1 1 8 8 8 8 2 5 2 6 6 7 6 7 1 1 5 2 1 1 5 2 7 9 7 9 7 9 7 9 7 9 6 9 0 0 0 0 0 0 0 0 5 1 7 2 8 1 7 2 3 5 7 2 2 5 7 2 6 6 7 2 0 2 4 3 1 0 1 0 0 1 0 9 4 1 0 1 5 0 0 0 1 6 0 1 3 1 3 6 4 7 4 7 4 7 4 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 2 3 1 3 1 3 3 1 3 1 0 2 5 1 8 2 6 2 5 3 0 1 1 5 2 9 1 5 1 3 9 0 6...

Страница 22: ...5 5 5 5 5 2 5 2 5 2 5 2 11 5 11 5 11 4 11 5 10 7 10 7 0 0 0 0 0 0 0 0 0 0 0 0 13 4 13 6 11 7 12 0 11 2 11 5 11 0 11 2 10 7 10 9 10 6 10 8 10 5 10 8 20 8 20 9 20 8 20 9 20 8 20 9 20 8 20 9 20 8 20 9 20 9 21 0 0 0 0 0 0 0 1 0 0 7 4 7 4 0 0 0 2 0 2 3 2 3 2 9 4 8 4 2 5 2 5 2 5 2 5 2 5 2 5 1 5 1 5 9 4 9 4 9 4 9 4 0 0 6 2 2 5 2 5 7 3 2 7 3 2 6 9 1 0 8 7 3 8 7 4 6 9 5 3 6 1 6 5 1 0 6 0 8 9 5 7 5 1 5 1 0 ...

Страница 23: ... POINT L DTCT LIGHT DETECTING MODULE L EMIT LIGHT EMITTING MODULE LED DSPLY LED DISPLAY LED INFRD LED INFRARED MODUL RF MODULATOR RF PHOT CPL PHOTO COUPLER PHOT INTR PHOTO INTERRUPTER PHOT RFLCT PHOTO REFLECTOR PIN TEST PIN TEST POINT PLST RIVET PLASTIC RIVET R ARRAY RESISTOR ARRAY R CAR CARBON RESISTOR R CAR CHP CHIP RESISTOR R CAR FP FLAME PROOF CARBON RESISTOR R FUS FUSABLE RESISTOR R MTL CHP C...

Страница 24: ...TUBLR 47pF 50V 円筒セラコン 01 C25 26 VG273300 C CE TUBLR 10pF 50V 円筒セラコン C27 28 UR837100 C EL 10uF 16V ケミコン 01 C29 VF467300 C CE TUBLR 0 01uF 16V 円筒セラコン 01 C30 VF467300 C CE TUBLR 0 01uF 16V 円筒セラコン 01 C31 UR866220 C EL 2 2uF 50V ケミコン 01 C32 VF467300 C CE TUBLR 0 01uF 16V 円筒セラコン 01 C33 UR866330 C EL 3 3uF 50V ケミコン 01 C34 VF467300 C CE TUBLR 0 01uF 16V 円筒セラコン 01 C35 UR866470 C EL 4 7uF 50V ケミコン 01 C36 UR...

Страница 25: ...ODE ZENR HZS11B2TD 11V ツェナーダイオード 01 D401 VD631600 DIODE 1SS133 176 BGE ダイオード 01 IC1 XQ360A00 IC LC72130 ＩＣ IC2 XB760A00 IC LA1266 ＩＣ 05 IC3 iG158100 IC LA3401 ＩＣ 05 IC401 XT152A00 IC LC72720 BGE ＩＣ 11 L1 Vi546100 COIL 220uH コイル 01 L2 WG083800 FLTR CE 10 7MHz セラミックフィルター L3 WG083800 FLTR CE 10 7MHz セラミックフィルター L4 WG083800 FLTR CE 10 7MHz セラミックフィルター L5 VR895700 COIL IF 450KHz ＩＦＴ 01 L6 Vi546100 COIL 2...

Страница 26: ...Ω 半固定ＶＲ 01 VR4 VJ693800 VR TRIM B22KΩ 半固定ＶＲ 01 XL1 VY734600 RSNR CRYS 7 2MHz 水晶振動子 04 XL3 GG000750 RSNR CE 18 95KHz セラミック振動子 01 XL401 V2731100 RSNR CRYS 4 332M HC 49 U BGE 水晶振動子 WG011400 P C B OPERATION J ＰＣＢ集成オペレーション WG011500 P C B OPERATION UC ＰＣＢ集成オペレーション WG011600 P C B OPERATION RL ＰＣＢ集成オペレーション WG011700 P C B OPERATION TA ＰＣＢ集成オペレーション WG011800 P C B OPERATION BGE ＰＣＢ集成オペレーション CB2 VK024700 CN B...

Страница 27: ... SW2 VE962600 SW SLIDE SDKGA4 RL スライドＳＷ 03 SW501 503 WD483100 SW TACT SKRGAAD010 BGE タクトＳＷ 01 SW504 509 WD483100 SW TACT SKRGAAD010 タクトＳＷ 01 SW510 WD483100 SW TACT SKRGAAD010 BGE タクトＳＷ 01 SW511 519 WD483100 SW TACT SKRGAAD010 タクトＳＷ 01 Z SW521 VZ364100 SW PUSH SDDLD1 A2 F 1 プッシュＳＷ 03 Z T1 X7302A00 TRANS PWR RTABGEL TX 497ML RLTABGE 電源トランス Z T1 XN909A00 TRANS PWR J 電源トランス 07 Z T1 XN910A00 TRANS ...

Страница 28: ...6 7 TX 497 28 EXPLODED VIEW 201 202 203 205 204 1 31 1 23 1 23 1 23 1 23 1 25 1 24 1 31 1 31 1 31 1 5 1 21 1 21 1 22 1 15 1 11 1 31 1 31 1 31 121 5 1 128 128 5 2 A D C B 5 3 1 22 121 121 R L models 5 4 51 132 B G E models ...

Страница 29: ...WG011100 P C B ASS Y TUNER TA ＰＣＢチューナー 4 WG011200 P C B ASS Y TUNER BGE ＰＣＢチューナー 4 WG011300 P C B ASS Y TUNER L ＰＣＢチューナー 5 WG011400 P C B ASS Y OPERATION J ＰＣＢオペレーション 5 WG011500 P C B ASS Y OPERATION UC ＰＣＢオペレーション 5 WG011600 P C B ASS Y OPERATION RL ＰＣＢオペレーション 5 WG011700 P C B ASS Y OPERATION TA ＰＣＢオペレーション 5 WG011800 P C B ASS Y OPERATION BGE ＰＣＢオペレーション Z 11 WF884600 POWER CABLE 2m J 電源コード Z 11 V2...

Страница 30: ...EW 2 6x8 MFZN2W3 RL ナベＰタイトネジ 137 VD069600 PW HEAD S TIGHT SCREW 4x8 10 MFNI33 GD TI ＰＷヘッドＳタイトネジ 01 137 VH313200 PW HEAD S TIGHT SCREW 4x8 10 MFNI3BL BL ＰＷヘッドＳタイトネジ 01 ACCESSORIES 付属品 201 VQ147100 INDOOR FM ANTENNA 1 4m 1pc ＦＭ簡易アンテナ 02 202 VQ307400 AM LOOP ANTENNA 81 653 645 110 ＡＭループアンテナ 06 203 VE364900 ANTENNA ADAPTER PAL 75 300Ω B 整合器 03 204 VT948000 ANTENNA ADAPTER UC アンテナアダプター 03 205 VS381600 ...

Страница 31: ...0 HF85 3560 HF45 4100 HF85 4150 HF45 4220 HF85 4270 HF45 4330 HF85 4390 HF45 4470 HF45 4560 HF45 4680 HF45 4750 HF45 4820 HF45 4910 HF45 5100 HF85 5110 HF45 5120 HF45 5150 HF45 5180 HF45 5200 HF45 5220 HF45 5270 HF45 5330 HF45 5390 HF45 5430 HF45 5470 HF45 5510 HF45 5560 HF45 5680 HF45 5820 HF45 5910 HF45 6100 HF45 6120 HF45 6150 HF45 6180 HF85 6200 HF45 6220 HF85 6240 HF45 6270 HF45 6300 HF45 633...

Страница 32: ...TX 497 TX 497 ...

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