Technics-SHEX1200-mix-sm 电路图 维修手册.pdf

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1、Caution for AC Mains Lead If a new plug is to be fitted please observe the wiring code as shown below. If in any doubt please consult a qualified electrician. IMPORTANT The wires in this mains lead are coloured in accor- dance with the following code: Blue: Neutral, Brown: Live. As these colours may

2、 not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or col- oured Black or Blue. The wire which is coloured Brown must be connected to the terminal w

3、hich is marked with the letter L or co- loured Brown or Red. WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E, BY THE EARTH SYMBOL nnnnn OR CO- LOURED GREEN OR GREEN/YELLOW. THIS PLUG IS NOT WATERPROOF-KEEP DRY. Before use Remove the connector cover. How to

4、 replace the fuse The location of the fuse differ according to the type of AC mains plug (figures A and B). Confirm the AC mains plug fitted and follow the instructions below. Illustrations may differ from actual AC mains plug. 1. Open the fuse cover with a screwdriver. 2. Replace the fuse and close

5、 or attach the fuse cover. CAUTION! IF THE FITTED MOULDED PLUG IS UNSUIT- ABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE RE- MOVED AND THE PLUG CUT OFF AND DIS- POSED OF SAFELY. THERE IS A DANGER OF SEVERE ELECTRI- CAL SHOCK IF THE CUT OFF PLUG IS IN- SERTED INTO ANY 13-AMPERE SOCKE

6、T. Fuse cover Figure A Figure B Fuse (5 ampere) Fuse (5 ampere) Figure A Figure B (For United Kingdom) (“EB” area code model only) For your safety, please read the following text careful- ly. This appliance is supplied with a moulded three pin mains plug for your safety and convenience. A 5-ampere f

7、use is fitted in this plug. Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5-ampere and that it is approved by ASTA or BSI to BS1362. Check for the ASTA mark m or the BSI mark o on the body of the fuse. If the plug contains a removable fuse cover you must

8、 ensure that it is refitted when the fuse is replaced. If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be purchased from your local dealer. RadioFans.CN 收音机爱 好者资料库 Channel fader replacement instructions A spare channel fader is

9、 provided with this unit and can be found inside the bottom panel. Follow these steps to replace the fader if movement becomes impaired. 1Remove the knob of the channel fader. 2Turn the unit over and remove the bottom cover. (Remove the two screws.) Soft cloth, etc. 3Remove the channel fader. How to

10、 remove the new channel fader Channel fader Bottom cover How to remove the used channel fader 1 Remove the two screws and remove the channel fader. Switch Factory setting Do not move the switch. It is used in the factory to make adjustments. 2 Hold onto the connector and discon- nect it from the cha

11、nnel fader. Cable connector 4Install the new channel fader. (Reverse the steps taken to remove the old channel fader.) 5Attach the bottom cover. 6Attach the knob to the control. RadioFans.CN 收音机爱 好者资料库 PHONO EQ AMP PHONO IN LINE IN ATRIM BUFFER AMP AN6558F IC101 VR101-1 (VR101-2) UPC4570C IC102 TONE

12、 AMP UPC4570C IC301 TONE AMP UPC4570C IC304 HIGH TONE AMP UPC4570C IC302 LOW VR301-1 (VR301-2) VR302-1 (VR302-2) TONE AMP UPC4570C IC303 PHONO LINE S101 PHONO/LINE T801 POWER TRANSFORMER AC IN L1 S801 (POWER) F1 REGULATOR REGULATOR REGULATOR D801804 D806809 +B1 -B1 +B2 MUTING CONT. D805 M5F7815L IC8

13、01 M5F7915L IC802 M5F7812L IC803 Q801,802 D801 PHONO EQ AMP PHONO IN LINE IN BTRIM BUFFER AMP AN6558F IC201 VR201-1 (VR201-2) UPC4570C IC202 TONE AMP UPC4570C IC401 TONE AMP UPC4570C IC404 HIGH TONE AMP UPC4570C IC402 LOW VR401-1 (VR401-2) VR402-1 (VR402-2) TONE AMP UPC4570C IC403 PHONO LINE MIC AMP

14、 AN6558F IC601(1/2) MIC AMP AN6558F IC601(1/2) MIC VR601 MIC AUX AMP UPC4570C IC602 AUX IN VR602-1 (VR602-2) AUX/EFECTOR +B1-B1 +B1-B1 S201 PHONO/LINE +B1-B1+B1-B1 +B1-B1+B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 SH-EX1200(PP,E,EB,GN) BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库

15、S701 CUE A B BUFFER AMP M5207L05 IC105 BUFFER AMP VR102 INPUT A S102 BUFFER AMP UPC4570C IC103 BUFFER AMP M5207L05 IC106 BUFFER AMP VR103 INPUT B BUFFER AMP UPC4570C IC104 UPC4570C IC107(1/2) UPC4570C IC107(1/2) BUFFER AMP AN6558F IC501 UPC4570C IC701 MONITOR AMP VR701-1 (VR701-2) MONITOR BALANCE MO

16、NITOR AMP UPC4570C IC702 MONITOR OUT Q701 (Q702) MUTING MUTING Q703 (Q704) HEADPHONES VR702-1 (VR702-2) MONITOR LEVEL REC OUT MUTING Q501 (Q502) LINE OUT BUFFER AMP UPC4570C IC502 MUTING CONT. Q705 VR501-1 (VR501-2) MASTER 3 VI L(R)-020dBL(R)+18dB 581017 Vcc +B2 GND 19 D504,506 OUTPUT LEVEL LEFT(RIG

17、HT) BA682A IC505(IC506) LED DRIVE (OUTPUT LEVEL) +B2 METER AMP UPC4570C IC504 METER AMP Q505,D503 3 VI C-020dBC+18dB 581017 Vcc +B2 GND 19 D505 OUTPUT LEVEL MONITOR BA682A IC507 LED DRIVE (OUTPUT LEVEL) +B2 METER AMP Q503,D501 (Q504,D502) METER AMP UPC4570C IC503 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +B1-B1 +

18、B1-B1 +B1-B1 +B1-B1 +B1-B1+B1-B1 CROSS FADER SW INTER- FACE Q901904 SENSORSENSOR B3NAA0000044 IC901 B3NAA0000044 IC902 SH-EX1200(PP,E,EB,GN) BLOCK DIAGRAM NOTES: PHONO(A) SIGNAL LINE : MIC SIGNAL LINE () indicates pin No. Right channel. Rear panel Front panel () Channel fader (INPUT) () Input select

19、or (LINE, PHONO) () LOW-range level control (LOW) MIC volume level control (MIC) AUX/EFFECTOR volume level control (AUX/EFFECTOR) MASTER volume level control (MASTER) () Input sensitivity control (TRIM) () HIGH-range level control (HIGH) OUTPUT LEVEL meter (OUTPUT LEVEL) This indicates the LINE OUT

20、(L and R channels) and MONI- TOR OUT output levels. MONITOR volume level control (MONITOR LEVEL) MONITOR BALANCE control (MONITOR BALANCE) This adjusts the balance between the LINE OUT source and source selected by the MONITOR CUE selector. MONITOR source selector (MONITOR CUE) Channels and can be s

21、elected as the output for headphones or monitor speakers regardless of the position of the faders. CROSS FADER (CROSS FADER) This enables the balance between CH and CH to be ad- justed. Power button (POWER) Headphones jack (PHONES) MIC input jack (MIC) CROSS FADER switch (CROSS FADER) You can revers

22、e the input balance of CH and CH con- trolled with the cross fader . NORMAL: output as labeled REVERSE: output reversed Front panel Rear panel Power input socket (AC IN ) () LINE IN connector (LINE IN) () PHONO IN connector (PHONO IN) LINE OUT connector (LINE OUT) REC OUT connector (REC OUT) AUX IN

23、connector (AUX IN) PHONO grounding terminal (PHONO) Secure the grounding wire of the turntable to PHONO to pre- vent hum and noise. MONITOR OUT connector (MONITOR OUT) Outputs the same signal as the headphones. Connect a monitor amplifier when monitoring from the speakers without headphones as in in

24、dependent DJ booths. Connect the general output ampli- fier to LINE OUT . MONITOR BALANCE control Select CUE (completely to the right) Works as past general DJ mixer monitors. Allows the CH ( , ) input selected with MONITOR CUE to be monitored regardless of the position of the INPUT channel fad- ers

25、 and CROSS FADER. Select MASTER (completely to the left) Disregards the source selected with MONITOR CUE ( , ). Allows monitoring of the output from the LINE OUT connector . Select the center Allows the CH ( , ) input selected with the MONITOR CUE control and the output from the LINE OUT connector t

26、o be mixed and monitored. Note: The channel faders are disigned for a long service life, but this can be shortened if they are used in a situation that requires rapid movement, such as during Hip-Hop transfer play. The con- trols may need to be replaced frequently if used this way. A spare channel f

27、ader is provided inside the bottom panel of the unit. Refer to the additional instructions. Consult your dealer if the cross fader ever needs replacing. Fader replacement Use numbers indicated in parentheses when asking for replace- ment parts. Channel fader (RFKVHDX1200B) ABCDEF 1 2 3 4 5 6 7 8 SH-

28、EX1200(PP,E,EB,GN) INPUT(A), INPUT SELECT(A) SW, INPUT SELECT(B) SW, MIC P.C.B. INPUT (A) P.C.B. A 1 2 3 4 5678 IC501 1 2 3 4 5678 IC103 1 2 3 4 5678 IC104 1 2 3 4 5678 IC102 1 2 3 4 5678 IC101 1 2 3 4 CN703 5 6 7 8 9 10 11 FW10 4 3 2 1 1 2 3 4 CN113 5 6 7 8 9 10 1 2 3 4 CN102 5 6 1 2 3 4 CN105 5 1

29、2 3 4 FW111A 5 1 2 3 FW112A 1 2 3 4 CN103 5 CN107 342 1 CN106 3 2 1 FW104 3 2 1 FW101 3 2 1 FW10-GRY 2 E 1 FW10-BRN 3 E 4 456 JK101 E RL E RL C505 C506 C136 C135 C137 C145 C143 C121 C122 C116C115 C113 C111 C109 C102 C114 C127 C504 C503 C138 C146 C144 R149 R505 R151 R147 R145 R146 R153 R156 R155 R125

30、 R121 R122 R119 R117 R115 R113 R111 R103 R123 R124 R109 R105 R107 R120 R118 R116 R114 R130 R129 R106 R110 R101 R127 R128 R104 R102 R108 C112 C108 C110 C107 C101 C123 C124 R112 R126 R154 R148 R152 R150 R506 R519 R503 R502 R504 J J J J J J J J J J J J J J J J J J J J J J J R501 C134 C133 C142 C141 C11

31、9 C151 C152 C120 C118 C126 C125 C106 C104 C117 C105 C103 C139 C132 C131 C140 VR101-1 VR101-2 J TRIM LINE IN PHONO IN PHONO GND A REP3196B-M . . . E,EB,GN REP3196C-M . . . PP INPUT SELECT(A) SW P.C.B. C CN101 6 5 4 3 2 1 S101 PHONOLINE PHONO/ LINE REP3196B-M . . . E,EB,GN REP3196C-M . . . PP D S201 C

32、N201 6 5 4 3 2 1 PHONO/ LINE PHONOLINE INPUT SELECT(B) SW P.C.B. REP3196B-M . . . E,EB,GN REP3196C-M . . . PP MIC P.C.B. K MIC JK601 R615 1 2 3 4 FW601B 2 1 3 REP3196B-M . . . E,EB,GN REP3196C-M . . . PP C632 For E,EB,GN areas. ABCDEF 1 2 3 4 5 6 7 8 SH-EX1200(PP,E,EB,GN) INPUT(B), CHANNEL FADER(A),

33、 CHANNEL FADER(B), CHANNEL FADER(SPARE), CROSS FADER P.C.B. R230 R229 R206 R210 R227 R224 R223 INPUT(B)P.C.B. B C251 C219 C252 C220 R225 R222 R226 R221 C221 J 1234 5678 IC202 1234 5678 IC201 J J J J J J J C222 C217 C205 C226 C225 C206 C203 C204 C218 C227 J 1234 FW201 56 1 2 3 4 FW211A 5 R219 R217 R2

34、15 R213 R211 R209 R205 R207 R739 R740 R203 R220 R218 R216 R214 R212 C216 C215 C213 C211 C735 C736 C207 C210 C223 C208 C209 C214 C212 R201 R202 R204 R208 C201 C202 R228 C224 1 2 3 4 CN704 J VR201-1 VR201-2 JK201 E RL E RL E RL LINE IN PHONO IN MONITOR OUT B TRIM REP3196B-M . . . E,EB,GN REP3196C-M .

35、. . PP CN110 (REP3198A-M) 3 2 1 VR102 CHANNEL FADER(A)P.C.B. G INPUT A CN112 3 2 1 VR103 INPUT B I (REP3198A-M) CHANNEL FADER(B)P.C.B. CN112S 3 2 1 VR102S W (REP3198A-M) CHANNEL FADER(SPARE)P.C.B. VR104-1 VR104-2 H CROSS FADER (REP3198A-M) CROSS FADER P.C.B. ABCDEF 1 2 3 4 5 6 7 8 SH-EX1200(PP,E,EB,

36、GN) TONE CONTROL(A), TONE CONTROL(B), CROSS FADER SW, CROSS FADER ON/OFF P.C.B. TONE CONTROL(A) P.C.B. E 1234 5678 IC303 1234 5678 IC301 1234 5678 IC302 1234 5678 IC304 1 2 3 FW112B 1 2 3 4 FW111B 5 R307 C305 R308R324 R303 R313 R311R315 R305R323 R306 R304 R301 R309 R316 R322R320 R318 R319 R312 R314

37、R317 R321 R310 R302 C302 C303 C311 C313 C309 C306 C304 C312C314 C321 C319 C323 C320 C324 C322 C307 C308 C310 C301 J C328 C326C327 C325 C315 C316 C317 C318 J J J J J J J J J J J J J J J J VR302-2 VR302-1 VR301-2 VR301-1 A (LOW) (HIGH) REP3196B-M . . . E,EB,GN REP3196C-M . . . PP F 1234 5678 IC403 123

38、4 5678 IC401 1234 5678 IC402 1234 5678 IC404 1 2 3 4 FW105 5 1 2 3 4 FW211B 5 R407 C405 J C401 R408 R406 R404 C406 C404 J C402 R424 R405 C426 C425 R423 C427 J J J VR402-2 VR402-1 C428 J R403 R413 C403 C415 J J J J VR401-2 VR401-1 C409 J J J R401 R409 R402 C413 R411R415 C411 C416 J J J R416 C412 C423

39、 R412 R414 C414 C421 R419 R410 C419 C410 R422 C420 C407 C408 J R420 C424 R418 R417 R421 C422 C417 C418 B (LOW) (HIGH) TONE CONTROL(B) P.C.B. REP3196B-M . . . E,EB,GN REP3196C-M . . . PP S901 J 1 2 3 4 1 2 CN901 FW902 CROSS FADER SW P.C.B. S REV. NOR. CROSS FADER (REP3199A-M) CN902 CN904 2 1 R909 J R

40、904 R906 R908 R907 R905 R903 R910 J B C E Q903 B C E Q904 B C E Q902 B C E Q901 12 R911 R901 R902 12345867 CN903 CROSS FADER ON/OFF P.C.B. T 3 (REP3199A-M) ABCDEF 1 2 3 4 5 6 7 8 SH-EX1200(PP,E,EB,GN) CONTROL, LED, SENSOR(A) SENSOR(B) P.C.B. CONTROL P.C.B. J FW102 7 6 5 4 3 2 1 R143 R163 R141 R173 R

41、175 R171 R165 R161 R144 R164 R142 R184 R162 R183 R181 IC105 10 9 8 7 6 5 4 3 2 1 IC106 10 9 8 7 6 5 4 3 2 1 J J J CN104 1 2 3 FW103 7 6 5 4 3 2 1 J J J J D105 D103 D101 D106 D102 D104 C155 C153 1 2 3 45 6 7 8 IC107 R182 R178R179 R177R180 R166 R172 R174 R176 C156 C154 J FW110 3 2 1 FW112 3 2 1 1 2 3

42、4 5 6 FW111 S102 (REP3197A-M) LED P.C.B. N J 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN502A R544 R545 D507 (POWER) D506D505D504 (RIGHT)(MONITOR)(LEFT) (OUTPUT LEVEL) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 CN503A REP3196B-M . . . E,EB,GN REP3196C-M . . . PP 1 23 4 1234 SENSOR(A) P

43、.C.B. U IC901 FW903A (REP3199A-M) 2 14 3 1 2 3 4 SENSOR(B) P.C.B. V IC902 FW903B (REP3199A-M) ABCDEF 1 2 3 4 5 6 7 8 SH-EX1200(PP,E,EB,GN) OUTPUT, POWER SW, TRANSFORMER P.C.B. OUTPUT P.C.B. L 1 2 3 4 5 6 7 8 9 101112131415161718 IC507 1 2 3 4 5 6 7 8 9 101112131415161718 IC506 1 2 3 4 5 6 7 8 9 1011

44、12131415161718 IC505 CN503B 1 2 3 4 5 6 7 8 9 1011 1213 1415 1617 1819 2021 2223 CN502B FW904 1 1 2 2 3 4 5 6 7 8 9 1011 1213 1415 16 1 2 3 4 5678 IC503 1 2 3 4 5678 IC504 1 2 3 4 5678 IC601 1 2 3 4 5678 IC602 1 2 3 4 5678 IC502 R543 R562 R539 R553 R556 R559 R558 R542 R557 R541 R555 R552 R554 R551 R

45、531 R532 J J R538 R537 R534 R535 R606 R607R605 R604 R548 R547 R603 R601 R602 R560 R533 R561 J J J J J J J J J J J J J J J J J J J J J J C525 C543 C542 C523 C532 C631 C531 C529 C512 C518 C530 C618 C517 C511 C541 C533 C603 C610 C526 C524 J D501 D503 D502 E C B Q503 E C B Q505 E C B Q504 J J CN501 1 2

46、3 4 C606 C609 C608 C611 C605 C602 C607 C604 C612 C601 1 2 3 4 FW601A J J J J VR601 VR602-1 VR602-2 C617 C621 C626 C625 C622 C514 C513 C520 C522 C521 C535 C536 C519 C630 C616 C615 C516 C515 C620 C619 R614 R511 R516 R523 R525 R515 R517 R518 R526 R524 R514 R521 R612 R611 J R522 R512 R513 R613 J 1 2 3 4

47、 FW113 5 6 7 8 9 10 VR501-1 VR501-2 J J E C B Q502 E C B Q501 JK602 E RL E RL E RL (MIC) AUX/ EFFECTOR INPUT MASTER LINE OUT REC OUT AUX IN REP3196B-M . . . E,EB,GN REP3196C-M . . . PP For E,EB,GN areas. POWER SW P.C.B. R FC801FC802F1 W812 W813 S801 POWER REP3196B-M . . . E,EB,GN REP3196C-M . . . PP

48、 315mA . PP T125mA . E,EB,GN T801(POWER TRANSFORMER) 5 4 3 2 1 FW801 TRANSFORMER P.C.B. Q W811W812 REP3196B-M . . . E,EB,GN REP3196C-M . . . PP ABCDEF 1 2 3 4 5 6 7 8 SH-EX1200(PP,E,EB,GN) MONITOR, CUE SW, Note: This printed circuit board diagram may be modified at any time with the development of n

49、ew technology. HEADPHONE P.C.B. MONITOR P.C.B. O C722 R726 C726 R724 C724 R725 C725 R723 R719 R720 C723 R721 R741 R742 R710 R714 R713 R709 R711 R715 R716 R712 R731 R707 R708 R722 C719 C720 C713 C804 C811 C803 C807 C813 C714 C730 J J J J JK801 L1 W811W813 1234 5678 IC702 1234 5678 IC701 C716 C715 C721 C717 C718 C710 C709 C711 C712 C810 C802 C805 C801 C809 C808 C806 C812 VR702-1 VR702-2 VR701-1 VR701-2 J J J J J J J J J E C B Q701 E C B Q702 4 3 2 1 FW704 4 3 2 1 FW702A 4 3 2 1 FW501 R734 R733 J J J J J J J J 6 5 4 3 2 1 FW701 FW703 1234567891011 J R732 R805 R802 R804 R801