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Yamaha A-S301 Service Manual

Other manuals for A-S301: User Manual, Owner's Manual, Owner's Manual
Manual is about: INTEGRATED AMPLIFIER

Summary of A-S301

  • Page 1

    Service manual integrated amplifier a-s501/a-s301 ■ contents to service personnel ........................................... 2 impedance selector .............................................. 3 front panels ............................................................ 3 rear panels ...................

  • Page 2

    2 a-s501/a-s301 a -s50 1/a -s30 1 ■ to service personnel 1. Critical components information components having special characteristics are marked ⚠ and must be replaced with parts having specifications equal to those originally installed. 2. Leakage current measurement (for 120v models only) when ser...

  • Page 3

    3 a-s501/a-s301 a -s50 1/a -s30 1 ■ impedance selector impedance selector warning: do not change the setting of the impedance selector switch when the unit power is switched on, as doing so may damage the unit. ■ front panels a-s501 a-s301 a-s501 a-s301.

  • Page 4

    4 a-s501/a-s301 a -s50 1/a -s30 1 ■ rear panels a-s501 (u model) a-s501 (r model) a-s501 (t model)) a-s501.

  • Page 5

    5 a-s501/a-s301 a -s50 1/a -s30 1 a-s501 (a model) a-s501 (b, g models) a-s501 (l model).

  • Page 6

    6 a-s501/a-s301 a -s50 1/a -s30 1 a-s501 (j model) a-s301 (u model) a-s301 (r model) a-s301.

  • Page 7

    7 a-s501/a-s301 a -s50 1/a -s30 1 a-s301 (t model) a-s301 (k model) a-s301 (a model).

  • Page 8

    8 a-s501/a-s301 a -s50 1/a -s30 1 a-s301 (b, g models) a-s301 (l model) a-s301 (j model).

  • Page 9

    9 a-s501/a-s301 a -s50 1/a -s30 1 ■ specifications / 参考仕様 ■ audio section / オーディオ部 minimum rms output power (power amp. Section) / 定格出力（パワーアンプ部） (8 ohms, 20 hz to 20 khz, 0.019 % thd) [a‑s501] ...................................................................... 85w+85w [a‑s301] ......................

  • Page 10

    10 a-s501/a-s301 a -s50 1/a -s30 1 standby power consumption / 待機時消費電力 ...................................................................................................0.5 w maximum power consumption [rmodel] (1 khz, 6 ohms, 10 % thd) [a‑s501] .........................................................

  • Page 11

    11 a-s501/a-s301 a -s50 1/a -s30 1 a-s301 a-s501 ■ internal view ■ service precautions / サービス時の注意事項 safety measures • some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves. • note that the capa...

  • Page 12

    12 a-s501/a-s301 a -s50 1/a -s30 1 ■ disassembly procedures / 分解手順 (remove parts in the order as numbered.) disconnect the power cable from the ac outlet. 1. Removal of top cover a. Remove 4 screws (1), 4 screws (2) and screw (3). (fig. 1) b. Remove the top cover. (fig. 1) 2. Removal of front panel ...

  • Page 13

    13 a-s501/a-s301 a -s50 1/a -s30 1 ⑩ sub-chassis unit サブシャーシユニット hook フック cb706 cb101 cb105 hook フック cb853 ⑧ ⑧ cb2 cb21 function (1) p.C.B. Function (2) p.C.B. Function (3) p.C.B. Cb506 cb505 digital p.C.B. ⑫ ⑬ cb508 cb304 cb301 cb303 ⑪ ⑨ 3. Removal of sub-chassis unit a. Remove 2 screws ( ⑧ ). (fig...

  • Page 14

    14 a-s501/a-s301 a -s50 1/a -s30 1 grou su ru nd lead アース線 b-chassis unit サブシャーシユニット bber sheet and cloth ゴムシートと布 when checking the p.C.B.S: • put the rubber sheet and the cloth over this unit, then place the sub‑chassis unit on the cloth and check it. (fig. 4) • connect the ground point of the sub‑...

  • Page 15

    15 a-s501/a-s301 a -s50 1/a -s30 1 ■ updating firmware / ファームウェアのアップデート when the following parts are replaced, the firmware must be updated to the latest version. Function p.C.B. ● confirmation of firmware version before and after updating the firmware, check the firmware version by using the self‑dia...

  • Page 16

    16 a-s501/a-s301 a -s50 1/a -s30 1 ● connection use the optical cable (when optical jack is used) or digital audio pin cable (when coaxial jack is used) to connect the cd, dvd or bd player and the unit. ● operation procedures 1. Set this unit to the firmware update mode. A. Connect the power cable o...

  • Page 17

    17 a-s501/a-s301 a -s50 1/a -s30 1 note: • ifthelightingpatternofthe“input”indicators does not change 10 seconds or more after playback of the firmware cd was started, try updating the firmware again, starting from the beginning of the procedure. • becarefulthatthepowercableisnotunplugged and the po...

  • Page 18

    18 a-s501/a-s301 a -s50 1/a -s30 1 ■ self-diagnostic function / ダイアグ（自己診断機能） this unit has self‑diagnostic functions that provides the following functions. • indication of firmware version • indication of “auto power standby” switch status • indication and checking of protection information • factor...

  • Page 19

    19 a-s501/a-s301 a -s50 1/a -s30 1 ● display provided when self-diagnostic function started ● details of indication • indication of firmware version the firmware version of the microprocessor (ic502 of the function p.C.B.) is indicated in the binary code (bcd) using the “coaxial”, “cd”, “tuner” and “...

  • Page 20

    20 a-s501/a-s301 a -s50 1/a -s30 1 • indication of protection information the protection information is indicated by the flashing pattern of the “z”(power) indicator. Ps (power supply) protection cause: the voltage in the power supply section is abnormal. Normal value: 2.559 to 3.259v (ad value: 130‑...

  • Page 21

    21 a-s501/a-s301 a -s50 1/a -s30 1 usb oc (over current) protection (u, r, k, a, b, g, l models) cause: usb power supply is overcurrent. Normal value: high (5v) detection port: usb_n_ocprt （function (1) p.C.B. 45 pin of the microprocessor ic502 ） detected at: usb_ocprt (ic309 of digital p.C.B.) thm ...

  • Page 22

    22 a-s501/a-s301 a -s50 1/a -s30 1 if several protection functions have been activated, history for up to four of the most recent protection functions can be viewed by turning the knob indicated below. Bass: history for the most recent protection function treble: history for the 2nd most recent prot...

  • Page 23

    23 a-s501/a-s301 a -s50 1/a -s30 1 example: to check the history for the 3rd most recent protection function, set the “speakers” knob to “off”, the “bass” and “treble” knobs to their top positions, the “loudness” knob to “flat”, and the “balance” knob to “l”. (fig. 8) 1. Ad value when the protection...

  • Page 24

    24 a-s501/a-s301 a -s50 1/a -s30 1 2. Ad value for diode thm (temperature) turn the “treble” knob to “+” and the “speakers” knob to “off”. (fig. 11) the ad value for the diode thm (temperature) (th501 on function (4) p.C.B. And d111 on main (1) p.C.B.) is indicated in binary code (bcd) using the “in...

  • Page 25

    25 a-s501/a-s301 a -s50 1/a -s30 1 3. スピーカーリレー／ヘッドホンリレーの動作情報 “ treble ” のツマミを “ ＋ ” の位置にして、 “ speakers ” ツマミを “ a ” の位置にします。（fig. 13） プロテクションが働いた時のスピーカーリレーの a/b （main（1） p.C.B. の ry101,ry102） およびヘッドホン リレー（main(1) p.C.B. の ry103）の on/off の状態が “input” インジケーターを使って表示されます。（fig. 13） 注意： “speakers” ツマミを “a...

  • Page 26

    26 a-s501/a-s301 a -s50 1/a -s30 1 4. Ad value for the “balance” knob turn the “treble” knob to “+” and the “speakers” knob to “b”. (fig. 14) the position of the “balance” knob when the protection function was activated is indicated in binary code (bcd) using the “input” indicators. (fig. 14) 4. Bal...

  • Page 27

    27 a-s501/a-s301 a -s50 1/a -s30 1 5. Indication of input source the input source when the protection function was activated is indicated. Turn the “treble” knob to “+” and the “speakers” knob to “a+b”. ( fig. 17) the input source selected when the protection function was activated is indicated usin...

  • Page 28

    28 a-s501/a-s301 a -s50 1/a -s30 1 ● canceling self-diagnostic function to keep setup information stored in the backup memory of the microprocessor: set the “speakers” knob to the “off”, “b” or “a+b” position and press the “z” (power) key to turn off the power. Self‑diagnostic function is canceled. ...

  • Page 29

    29 a-s501/a-s301 a -s50 1/a -s30 1 6. Press the “z” (power) key to turn on this unit. (fig. 19) 7. Press the “z” (amp) key on the remote control to set this unit to standby. (fig. 20) 8. Repeat pressing the “pure direct” key 12 times within 15 seconds. (fig. 19) 9. Press the “z” (amp) key on the rem...

  • Page 30

    30 a-s501/a-s301 a -s50 1/a -s30 1 after the protection cancel mode is started, the “line 1” indicator flashes. (fig. 22) ps (power supply) protection: if protection function has been activated 3 times consecutively, the power will not turn on. I protection l/rch: if protection function has been acti...

  • Page 31

    31 a-s501/a-s301 a -s50 1/a -s30 1 ■ power amplifier adjustment / パワーアンプ調整 ● confirmation of idling current 1. Right after power is turned on, confirm that the voltage across the terminals of r160 (l ch) and r161 (r ch) are between 0.1 mv and 10 mv. 2. If measured voltage exceeds 10 mv, open (cut of...

  • Page 32

    32 a-s501/a-s301 a -s50 1/a -s30 1 p p p p p p p p p p p q 1 2 1 c n o _ u s e q 1 2 4 c a 1 6 9 4 / c 4 4 6 7 q 1 2 2 c n o _ u s e q 1 2 3 a a 1 6 9 4 / c 4 4 6 7 q 1 2 3 c a 1 6 9 4 / c 4 4 6 7 q 1 2 1 a n o _ u s e q 1 2 4 a 1 6 9 4 / c 4 4 6 7 q 1 2 2 a n o _ u s e r153 1p4.7 c 1 2 7 1 0 0 p / ...

  • Page 33

    33 a-s501/a-s301 a -s50 1/a -s30 1 ■ ic data ic502: r5f3640ecnfa (function p.C.B.) single chip 16‑bit microprocessor 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 sw_n_mt pwe_mgt thm2 thm1 bass treble balance loudness prd ad_vol vrup vrdn prv key1 key0 avss thm3 vref avcc dig_sw 80 79...

  • Page 34

    34 a-s501/a-s301 a -s50 1/a -s30 1 pin no. Port name function name （p.C.B.） i/o detail of function p o w er on standb y m c u s le ep [a c off] 1 p9_6/anex1/sout4 hp_det 2 p9_5/anex0/clk4 trig o o o 3 p9_4/da1/tb4in mpled o o o led control for main power on display 4 p9_3/da0/tb3in ext_n_rst 5 p9_2/...

  • Page 35

    35 a-s501/a-s301 a -s50 1/a -s30 1 pin no. Port name function name （p.C.B.） i/o detail of function p o w er on standb y m c u s le ep [a c off] 51 p4_3/a19 isb i i i encoder phase detection input/output for input selector 52 p4_2/a18 isa i i i encoder phase detection input/output for input selector ...

  • Page 36

    36 a-s501/a-s301 a -s50 1/a -s30 1 ■ pin connection diagrams anode cathode anode cathode anode cathode b e c 1 3 6 4 1. Drain 2. Drain 3. Gate 4. Source 5. Drain 6. Drain b e c b c e b c e 8 4 1 1 7 14 1 3 4 5 8 4 1 48 13 37 24 1 12 36 25 1 20 60 41 21 40 80 61 1 10 20 1 12 13 24 1 4 8 • ics • diode...

  • Page 37

    J i h g f e d c b a 1 2 3 4 5 6 7 37 a-s501/a-s301 input selector multi2 sl/sr/c/sw in2 sl,sr in14 in15 cd direct in multi1 sbl,sbr in m ut e zone2 l,r sub2 l,r sub2 l,r sub2 out (rec4 と同端子) multi1 sl,sr in c,sw c,sw out 0db cd direct r out inl/r 14(sl/sr in2) cd l inl/r 15(sw/c in2) cd r sbl,sbr ou...

  • Page 38

    J i h g f e d c b a 1 2 3 4 5 6 7 38 a-s501/a-s301 letter side letter side to function (1) (cb505) to function (1) (cb517) to digital (cb301) to operation (1) (w808) flexible flat cable digital p.C.B. Unuit (assemble this unit before attach to rear panel) 100 mm (3-15/16") 50 mm (2") 10 mm (3/8") st...

  • Page 39

    J i h g f e d c b a 1 2 3 4 5 6 7 39 a-s501/a-s301 optical coaxial digital dc out function (1) (cb517) function (2) u, r, k, a, b, g, l, j models (w404) function (2) (w403) nc usb_ocprt dir_sclk fw_wck dir_mosi dir_n_cs dir_n_int fw_sdo mg vrg +5mtr dac_r agnd dac_l agnd +7v -7v operation (8) (cb21)...

  • Page 40

    J i h g f e d c b a 1 2 3 4 5 6 7 40 a-s501/a-s301 mg +5m n_rst pry pw_det operation (3) (w803) for self-diagnostic function mode. Operation (1) (cb801) operation (8) (cb2) hp_det prv agnd +7vp -7vp main (2) (cb14) loudness balance treble bass +5m mg main (1) (cb109) digital to diode temperature (cb...

  • Page 41

    J i h g f e d c b a 1 2 3 4 5 6 7 41 a-s501/a-s301 no replacement part available. サービス部品供給なし 1 100 30 31 50 51 80 81 (side b) function (4) (side b) function (1) • semiconductor location ref no. Location d501 i4 d502 h4 d506 h4 d508 d5 d509 d4 d512 g4 d513 d4 d514 d4 d515 d4 ref no. Location ic502 h4...

  • Page 42

    J i h g f e d c b a 1 2 3 4 5 6 7 42 a-s501/a-s301 rec 3 pb l/r l/r rec 2 1 pb l/r l/r l/r l/r l/r l/r line tuner cd phono +7v -7v -7v cdl-i cdl+i cdr-i cdr+i agnd phol phor agnd cdl cdr agnd mi_sel premt +7v function (1) (cb502) cdl+i cdl-i agnd cdr+i cdr-i agnd cdl agnd cdr agnd phor agnd phol agn...

  • Page 43

    J i h g f e d c b a 1 2 3 4 5 6 7 43 a-s501/a-s301 1 1 4 8 5 80 20 21 61 60 40 41 1 4 8 5 (side b) function (3) (side b) function (2) a-s301 a-s501 • semiconductor location ref no. Location ic402 d3 ic407 c5 ic601 h3 q411 d5 q412 d5.

  • Page 44

    J i h g f e d c b a 1 2 3 4 5 6 7 44 a-s501/a-s301 *mpled rem +5s key1 mpsw mg +5m function (4) (w801) function (1) (cb505) mpsw +5m +5s isb l_res l_clk l_din key1 mpled isa key0 l_cs mg rem input pure direct pure direct indicator phono tuner cd coaxial optical line 1 line 2 line 3 (side a) operatio...

  • Page 45

    J i h g f e d c b a 1 2 3 4 5 6 7 45 a-s501/a-s301 1 12 24 13 (side b) operation (1) • semiconductor location ref no. Location ic801 c4 a-s301 a-s501.

  • Page 46

    J i h g f e d c b a 1 2 3 4 5 6 7 46 a-s501/a-s301 volume bass treble balance loudness +5mtr vrg vrg +5m ad_vol mg mg vrup vrdn function (1) (w504) +5m bass treble balance loudness mg function (1) (cb508) m + (side a) operation (2) (side a) operation (3) a-s301 a-s501.

  • Page 47

    J i h g f e d c b a 1 2 3 4 5 6 7 47 a-s501/a-s301 1 4 5 8 (side b) operation (2) (side b) operation (3) • semiconductor location ref no. Location d851 c4 d852 c4 ic852 c4 a-s301 a-s501.

  • Page 48

    J i h g f e d c b a 1 2 3 4 5 6 7 48 a-s501/a-s301 speakers phones (power) power indicator +5m mpsw led led +5m *mpled rem mg operation (6) (w806b) +5m mpsw led operation (4) (w806a) hpr hpe hpl77 hp_det main (1) (w10) operation (7) (w805b) mg rem *mpled +5m led operation (4) (w805a) mg mpsw key1 +5...

  • Page 49

    J i h g f e d c b a 1 2 3 4 5 6 7 49 a-s501/a-s301 (side b) operation (4) (side b) operation (6) (side b) operation (5) (side b) operation (7) a-s301 a-s501 • semiconductor location ref no. Location d715 h2 d716 h2 q803 h5.

  • Page 50

    J i h g f e d c b a 1 2 3 4 5 6 7 50 a-s501/a-s301 1 7 14 8 wh wh +7i ignd +5m pwr_det n_rst pry mg power transformer power transformer ac in function (1) (w503) digital (w301) no replacement part available. サービス部品供給なし r model u, k, a, b, g, t, l, j models • semiconductor location ref no. Location d...

  • Page 51

    J i h g f e d c b a 1 2 3 4 5 6 7 51 a-s501/a-s301 1 3 5 4 r model u, k, a, b, g, t, l, j models (side b) operation (8) a-s301 a-s501 • semiconductor location ref no. Location d1 h4 d10 e5 d11 f5 d12 g5 d15 g4 d2 h4 d3 e3 d4 h5 ref no. Location d5 g5 d6 h5 d9 f5 q1 h5 q2 g3 q3 g5 q9 g5 ic1 g4.

  • Page 52

    J i h g f e d c b a 1 2 3 4 5 6 7 52 a-s501/a-s301 q123a q123c q124c q124a # # # # l a/b auto power standby on/off sub woofer out impedance selector high/low r + - + - speakers function (1) (w405) preout_l agnd preout_r +7v -7v agnd function (1) note: those parts marked with “#” are not included in ...

  • Page 53

    J i h g f e d c b a 1 2 3 4 5 6 7 53 a-s501/a-s301 1 4 8 5 (side b) main (1) (side b) main (4) (side b) main (5) a-s501 • semiconductor location ref no. Location d101 h4 d102 h5 d103 h4 d104 h4 d105 h5 d106 h5 d107 f4 d108 f5 d109 e4 d110 e5 d112 d2 d113 c5 d114 d3 d117 c4 d118 d3 d119 d3 d120 e4 d1...

  • Page 54

    J i h g f e d c b a 1 2 3 4 5 6 7 54 a-s501/a-s301 function (1) (w502) main (1) (w104) operation (5) (cb706) pu or ye re power transformer power transformer prv hp_det -7v agnd_rtn re purple white purple nc gray gray e +vp_unreg -vp_unreg +7unreg -7unreg prv hpl e hpr hpr hpl e hp_det a-s501 • semic...

  • Page 55

    J i h g f e d c b a 1 2 3 4 5 6 7 55 a-s501/a-s301 a-s501 (side b) main (2) (side b) main (6) (side b) main (3) r model • semiconductor location ref no. Location q1002 e5 d18 d3 d19 d2 d20 d3 d21 d2 d23 c3 q4 d3 q5 d2.

  • Page 56

    J i h g f e d c b a 1 2 3 4 5 6 7 56 a-s501/a-s301 q123a q123c q124c q124a gnd out vcc l a/b auto power standby on/off sub woofer out impedance selector high/low r + - + - speakers function (1) (w405) preout_l agnd preout_r +7v -7v agnd function (1) (w505) thm thm pow_mgt +5s mg swmt premt spbry spa...

  • Page 57

    J i h g f e d c b a 1 2 3 4 5 6 7 57 a-s501/a-s301 1 4 8 5 (side b) main (1) a-s301 • semiconductor location ref no. Location d101 h4 d102 h5 d103 h4 d104 h4 d105 h5 d106 h5 d107 f4 d108 f5 d109 e4 d110 e5 d112 d2 d113 c5 d114 d3 d117 c4 d118 d3 d119 d3 d120 e4 d121 e5 ic103 d6 q101 h4 q102 h5 q103 ...

  • Page 58

    J i h g f e d c b a 1 2 3 4 5 6 7 58 a-s501/a-s301 function (1) (w502) main (1) (w104) operation (5) (cb706) pu or ye re power transformer power transformer prv hp_det -7v agnd_rtn re purple white purple nc gray gray e +vp_unreg -vp_unreg +7unreg -7unreg prv hpl e hpr hpr hpl e hp_det a-s301 (side a...

  • Page 59

    J i h g f e d c b a 1 2 3 4 5 6 7 59 a-s501/a-s301 a-s301 (side b) main (2) (side b) main (6) (side b) main (3) r model • semiconductor location ref no. Location q1002 e5 d18 d3 d19 d2 d20 d3 d21 d2 d23 c3 q4 d3 q5 d2.

  • Page 60

    60 a-s501/a-s301 memo memo.

  • Page 61

    A 1 2 3 4 5 6 7 8 9 10 k j i h g f e d c b l n m 61 a-s501/a-s301 digital in p dir_mck dir_bck dir_wck dir_sdo dir_bck dir_mck dir_sdo dir_wck c 3 3 7 0 . 1 / 1 6 d302 no_use ic301 pcm9211ptr 1 e r r o r / i n t 0 2 n p c m / i n t 1 3 m p i o _ a 0 4 m p i o _ a 1 5 m p i o _ a 2 6 m p i o _ a 3 7 ...

  • Page 62

    A 1 2 3 4 5 6 7 8 9 10 n m l k j i h g f e d c b 62 a-s501/a-s301 digital in analog in mix out cd in p p p p p p l2ir l2il l4ir l4il l 3 i l l 3 i r l 4 i l l 4 i r l 1 i l l 1 i r pri p r i i txdf p w d e t clkf rxdf hpry bsy premt z2mt e e p s d a e e p s c l * t u s c l * t u s d a swmt d i g i t...

  • Page 63

    A 1 2 3 4 5 6 7 8 9 10 k j i h g f e d c b l n m 63 a-s501/a-s301 cd in p p p p c 6 1 5 n o _ u s e ic601 njm2068md-te2 5 6 7 c632 no_use r610 no_use r 6 0 2 2 . 2 r624 8.2k c 6 1 3 n o _ u s e c 6 2 3 n o _ u s e st601 no_use c 6 1 6 n o _ u s e c627 no_use c 6 1 0 n o _ u s e 5 2 6 r k 2 . 8 cdfg ...

  • Page 64

    A 1 2 3 4 5 6 7 8 9 10 n m l k j i h g f e d c b 64 a-s501/a-s301 m i n 1 2 3 4 bp m i n 1 2 3 4 m i n 1 2 3 4 m i n 1 2 3 4 m i n s s j853 no_use sw804 srbv141400 1 8 9 5 4 10 3 2 q 8 0 1 n o _ u s e w806a j 8 2 0 n o _ u s e d854 no_use d811 sel6910a-cd r748 1p470 r830 10k u801 gp1ue271rkvf vcc t ...

  • Page 65

    A 1 2 3 4 5 6 7 8 9 10 k j i h g f e d c b l n m 65 a-s501/a-s301 p p 1 2 100v a-s701 wq21110 (except rl destination) s1nb60=db105 7.0s 8a125v wq21110 (except rl dest.) 200v a-s301 s1 8a125v pdet j :yc771 r :yc773 t :yd161 caution pry bg:yc774 uc:yc772 t4al250v ipod +7v power(4) vv07160 +7i 8a125v v...

  • Page 66

    A 1 2 3 4 5 6 7 8 9 10 n m l k j i h g f e d c b 66 a-s501/a-s301 out l subwoofer out p p p p p p p p p p p p p p p p p 1 2 1 4 p p p q 1 2 1 c n o _ u s e q 1 2 4 c a 1 6 9 4 / c 4 4 6 7 q 1 2 2 c n o _ u s e q 1 2 3 a a 1 6 9 4 / c 4 4 6 7 q 1 2 3 c a 1 6 9 4 / c 4 4 6 7 q 1 2 1 a n o _ u s e q 1 ...

  • Page 67

    A 1 2 3 4 5 6 7 8 9 10 k j i h g f e d c b l n m 67 a-s501/a-s301 r 2 5 s 1 7 r 2 6 s 1 7 c 2 9 s 2 0 c 3 0 s 2 0 q4 a 1 1 6 2 - y ( t e 8 5 r , f r 3 7 2 2 k q5 c 2 7 1 2 - y ( t e 8 5 r , f r 3 8 2 2 k d 1 9 u d z v 3 0 b cb26 no_use d 1 8 u d z v 3 0 b d 2 1 udzv8.2b r 2 9 1 0 k d 2 0 udzv8.2b r ...

  • Page 68

    A 1 2 3 4 5 6 7 8 9 10 n m l k j i h g f e d c b 68 a-s501/a-s301 out l subwoofer out 1 2 1 4 p p p p p p p p p p p p p p q 1 2 1 c n o _ u s e q 1 2 4 c a 1 6 9 4 / c 4 4 6 7 q 1 2 2 c n o _ u s e q 1 2 3 a a 1 6 9 4 / c 4 4 6 7 q 1 2 3 c a 1 6 9 4 / c 4 4 6 7 q 1 2 1 a n o _ u s e q 1 2 4 a a 1 6 ...

  • Page 69

    A 1 2 3 4 5 6 7 8 9 10 k j i h g f e d c b l n m 69 a-s501/a-s301 d 1 8 u d z v 3 0 b r 2 5 s 1 7 r 3 7 2 2 k r 3 8 2 2 k cb26 no_use d 2 1 udzv8.2b d 2 0 udzv8.2b cb14 xhi w10 san-ph d 2 2 n o _ u s e d23 s10 r35 no_use r 3 6 n o _ u s e r 4 2 n o _ u s e r 4 1 n o _ u s e r 3 3 1 0 0 r 3 2 1 0 0 c...

  • Page 70

    71 a-s501/a-s301 a -s50 1/a -s30 1 ■ replacement parts list • electrical component parts warning ● components having special characteristics are marked ⚠ and must be replaced with parts having specifications equal to those originally installed. ● ⚠印のある部分は、安全確保部品を示しています。部品の交換が必要な場合、パーツリストに記載されている 部品を...

  • Page 71

    72 a-s501/a-s301 a -s50 1/a -s30 1 p.C.B. Digital ref no. Part no. Description remarks markets 部品名 * zn157800 p.C.B. Digital a-s501 j ＰＣＢ ＤＩＧＩＴＡＬ * zn158800 p.C.B. Digital a-s301 j ＰＣＢ ＤＩＧＩＴＡＬ * zn157700 p.C.B. Digital a-s501 ural ＰＣＢ ＤＩＧＩＴＡＬ * zn158500 p.C.B. Digital a-s301 urkal ＰＣＢ ＤＩＧＩＴＡＬ * zn15...

  • Page 72

    73 a-s501/a-s301 a -s50 1/a -s30 1 p.C.B. Digital and p.C.B. Function ref no. Part no. Description remarks markets 部品名 c343-345 us046100 c.Ce.Chp 1uf 25v チップセラコン c347 us046100 c.Ce.Chp 1uf 25v チップセラコン c348-349 us061220 c.Ce.Chp 22pf 50v b チップセラコン c350-351 us035100 c.Ce.Chp 0.1uf 16v b チップセラコン c352 u...

  • Page 73

    74 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 cb517 we220400 cn.Bs.Pin 14p te ＦＭＮコネクタ－ cb602 v7828300 socket 16p te tuc series コネクターソケット c402-409 us062220 c.Ce.Chp 220pf 50v b チップセラコン c410-413 us062470 c.Ce.Chp 470pf 50v b チップセラコン c414-417 ur237100 c.El 10uf 16v...

  • Page 74

    75 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 c603-604 we100900 c.Pp 220pf 630v k j ＰＰコン * c603-604 zd518000 c.Mylar 220pf 100v urtkabgl マイラーコン * c605-606 zd518400 c.Mylar 470pf 100v マイラーコン c611-612 ur237470 c.El 47uf 16v ケミコン * c618-619 zd520600 c.Mylar 0.033uf...

  • Page 75

    76 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 * zn149900 p.C.B. Operation a-s501 j ＰＣＢ ＯＰＥＲＡＴＩＯＮ * zn151200 p.C.B. Operation a-s301 j ＰＣＢ ＯＰＥＲＡＴＩＯＮ * zn149800 p.C.B. Operation a-s501 u ＰＣＢ ＯＰＥＲＡＴＩＯＮ * zn151100 p.C.B. Operation a-s301 u ＰＣＢ ＯＰＥＲＡＴＩＯＮ * zn150400 p...

  • Page 76

    77 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 c856 us064100 c.Ce.Chp 0.01uf 50v b チップセラコン d1-8 ww783900 diode 1ss355vm ダイオード d9 wy163500 diode.Zenr udzv6.8b ツェナーダイオード d10 wy163900 diode.Zenr udzv10b ツェナーダイオード d11 ww783900 diode 1ss355vm ダイオード d12 wy163300 diode....

  • Page 77

    78 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 * zn140100 p.C.B. Main a-s501 j ＰＣＢ ＭＡＩＮ * zn140000 p.C.B. Main a-s501 u ＰＣＢ ＭＡＩＮ * zn140200 p.C.B. Main a-s501 r ＰＣＢ ＭＡＩＮ * zn140300 p.C.B. Main a-s501 ta ＰＣＢ ＭＡＩＮ * zn140400 p.C.B. Main a-s501 b ＰＣＢ ＭＡＩＮ * zn140500...

  • Page 78

    79 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 c137-138 ur237470 c.El 47uf 16v a-s501 urtal ケミコン c139 wz363900 c.Pp 0.068uf 100v a-s501 j ＰＰコン c139 zh996900 c.Mylar 0.1uf 100v a-s501 urtal マイラーコン c139 ww314700 c.Pp 0.033uf 100v a-s501 bg ＰＰコン c140 we102900 c.Pp 0...

  • Page 79

    80 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 ⚠ q116 wh409600 tr kta1024y-at/p a-s501 トランジスタ ⚠ * q117-118 zd374700 tr 2sc5398 r t112 a-s501 トランジスタ ⚠ * q119 zg214200 tr ktd600k-y-u/ph a-s501 トランジスタ ⚠ * q120 zg214100 tr ktb631k y,gr a-s501 トランジスタ ⚠ # q123-124 wf87...

  • Page 80

    81 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 r215 v8071200 r.Mtl.Oxd 330 Ω 1w j a-s501 酸化金属被膜抵抗 ⚠ r221-222 ww861100 r.Car.Fp 1 Ω 1/4w a-s501 不燃化カーボン抵抗 r223 v8071100 r.Mtl.Flm 220 Ω 1w a-s501 金属被膜抵抗 ⚠ r228 ww862700 r.Car.Fp 33 Ω 1/4w a-s501 不燃化カーボン抵抗 r230-231 v8...

  • Page 81

    82 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 * c105 zd518000 c.Mylar 220pf 100v a-s301 マイラーコン * c106 zd517600 c.Mylar 100pf 100v a-s301 マイラーコン c107-108 we100400 c.Pp 47pf 630v k a-s301 ＰＰコン * c109 zd517600 c.Mylar 100pf 100v a-s301 マイラーコン c110 uu238100 c.El 100...

  • Page 82

    83 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 ⚠ d111 wv189000 diode.Brg s5vb60 3.5a 600v a-s301 ブリッジダイオード d112 wy163700 diode.Zenr udzv8.2b a-s301 ツェナーダイオード d113 ww783900 diode 1ss355vm a-s301 ダイオード d114 wy163700 diode.Zenr udzv8.2b a-s301 ツェナーダイオード d115-116 wu2...

  • Page 83

    84 a-s501/a-s301 a -s50 1/a -s30 1 ref no. Part no. Description remarks markets 部品名 r114 wa622000 r.Mtl.Oxd 1.2k Ω 1w a-s301 酸化金属被膜抵抗 r115-116 v8071300 r.Mtl.Flm 470 Ω 1w a-s301 金属被膜抵抗 r117 wa622000 r.Mtl.Oxd 1.2k Ω 1w a-s301 酸化金属被膜抵抗 r118-119 v8072600 r.Mtl.Oxd 33k Ω 1w a-s301 酸化金属被膜抵抗 r120-121 v80...

  • Page 84

    85 a-s501/a-s301 carbon resistors value 1/4w type part no. 1/6w type part no. 11 kΩ hf45 7110 hf45 7110 12 kΩ hj35 7120 hf85 7120 13 kΩ hf45 7130 hf45 7130 15 kΩ hf45 7150 hf45 7150 18 kΩ hf45 7180 hf45 7180 22 kΩ hf45 7220 hf45 7220 24 kΩ hf45 7240 hf45 7240 27 kΩ hj35 7270 hf85 7270 30 kΩ hf45 730...

  • Page 85

    J i h g f e d c b a 1 2 3 4 5 6 7 86 a-s501/a-s301 • overall assembly r model 106 a-s301 62 62 61 t, l models 200 200-1 121 126 b, g, j models a-s301 b, g, j models a-s301 b, g, j models a-s301 123 106 43 42 41 106 105 127 100 105 109 30 129 a-s501 130 b, g, j models a-s501 b, g, j models b, g, j mo...

  • Page 86

    87 a-s501/a-s301 * new parts / 新規部 品 * new parts / 新規部 品 ref no. Part no. Description remarks markets 部 品 名 * 2-1 zn149900 p.C.B. Assembly operation a-s501 j ＰＣＢ ＯＰＥＲＡＴＩＯＮ * 2-1 zn151200 p.C.B. Assembly operation a-s301 j ＰＣＢ ＯＰＥＲＡＴＩＯＮ * 2-1 zn149800 p.C.B. Assembly operation a-s501 u ＰＣＢ ＯＰＥＲＡＴＩＯＮ ...

  • Page 87

    J i h g f e d c b a 1 2 3 4 5 6 7 88 a-s501/a-s301 • front panel unit and sub-shassis unit ref no. Part no. Description remarks markets 部 品 名 * 1-1 zm209200 front panel a-s501 bl フロントパネル * 1-1 zm209000 front panel a-s301 bl フロントパネル * 1-1 zm209300 front panel a-s501 si フロントパネル * 1-1 zm209100 front pa...

  • Page 88

    J i h g f e d c b a 1 2 3 4 5 6 7 89 a-s501/a-s301 • amp unit * new parts / 新規部 品 ref no. Part no. Description remarks markets 部 品 名 ⚠ # 3-1-1 wf870200 pair transistor 2sa2151/2sc6011 opy a-s501, q123 ペアトランジスタ ⚠ # 3-1-1 vv586400 pair transistor 2sa1695/2sc4468 opy a-s301, q123 ペアトランジスタ 3-1-5 vv84930...

  • Page 89

    J i h g f e d c b a 1 2 3 4 5 6 7 90 a-s501/a-s301 ■ remote control cd coaxial optical pure direct amp line 1 line 2 line 3 cd phono disk skip tuning tuner band memory tuning preset mute volume- volume+ vdd 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 u1 gpm6p1001a vcc vcc c1 bat 3v 4.7uf/50v pb3 pb4 pb5 ...

  • Page 90

    91 a-s501/a-s301 a -s50 1/a -s30 1 memo.

  • Page 91: A-S501/a-S301

    A-s501/a-s301.