Line_6_Spider_III_15W,_30W,_HD75_Service_Manual电路图.pdf

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1、Spider 3 Theory of OperationLine 6 Confidential. Page 1 of 14 III Technical Training Manual For: A8-2 1x8” 15W A8-5 1x12” 30W A8-7 HD75 75W REV. A November, 2006 RadioFans.CN 收音机爱 好者资料库 Spider 3 Theory of OperationLine 6 Confidential. Page 2 of 14 CONTENTS: I. REVISION COMMENTS II. DISASSEMBLY this

2、includes the power switch, fuse, and all primary cables. For the appropriate transformer, which primary cable to connect to, and the correct fuse values see Section III: Power Supply Conversion. The transformer contains a thermal fuse, which will open the primary winding if the transformer core gets

3、 too hot. This fuse is not accessible; if it blows the transformer will need to be replaced. This should not happen under any normal conditions and the cause of the over-heating should be investigated before replacing the transformer. The “hi-volt” secondary of the transformer provides approximately

4、 +/-15.2 rails for the 1508, +/-16.5 rails for the 3012, and +/-27.4 rails for the HD75, with grounded center tap. The lower voltage secondary for all three models is 7.2VAC. 2) Secondary Power Supply (Main PCBA): All power for the 1508, 3012, and HD75 is supplied directly from the local power suppl

5、y on the Main PCBA. There are 4 supplies derived from the Hi-volt secondary, they are the +/- HI rails and +/- VA. From the low volt secondary the +VL and +3.3V supplies are created. The +VL power line is approximately +10.5VDC depending on line levels and load currents. The +/-Hi rails are rectifie

6、d by the full-wave diode bridge made up of D16-17 and D19-20 and filtered by C35-36. For the HD75 the bridge is replaced with an all-in-one diode bridge D28 and C35-36 are rated at 50V instead of 25V. The 47k- Ohm resistor R12 serves as a path for stored cap charge to “bleed” after power down. The +

7、/- HI rails are filtered a second time at the Power Amp by C20, C22, C26, and C29 on the 1508 and 3012 and filtered by C14-15 on the HD75. The +/- HI rails directly supply the Power Amp ICs only. +/-VA are supplied by the +/-HI rails and are regulated to approx. +/-9V by Q1- 2 on the 1508/3012 and b

8、y Q3-4 for the HD75. D13-14 provide +/-10V at the base of each transistor, ensuring both are always ON. R53 and R55 limit current and R54 and R61 help protect the collectors. C30 and C34 values were chosen in conjunction with R53 and R55 to provide a slow ramp up on power up to minimize turn-on pop

9、at the speaker output. C31-32 are used for filtering only. Spider 3 Theory of OperationLine 6 Confidential. Page 13 of 14 +VL is formed from the low volt secondary via the full-wave diode bridge made up of diodes D21-24 and filtered by C38. This directly supplies the optional foot controller for the

10、 3012 and HD75 models only. +3.3V is produced by U11, an adjustable voltage regulator supplied by +VL. The output of U11 is determined by resistors R63 and R64. D18 provides over- voltage and under-voltage protection while C28 and C37 provide filtering. VI. Troubleshooting Guide: This section outlin

11、es some common problems that may be encountered when troubleshooting a Spider 3 1508, 3012, or HD75. 1. Test points are provided on the SMD Components Side of the Main PCBA for all power supply voltages and clocks. Verifying these test points in the same order listed should always be the first step

12、in troubleshooting. Next, all “sense” signals should be verified by probing at the correct nodes using a schematic. 2. The board powers up, the UI is displaying the correct items, the buttons and knobs work, but there is NO AUDIO. First, check the audio input circuitry and make sure audio makes it t

13、hrough the input op-amp U1 all the way to the CODEC U2 inputs. Second, make sure that the CODEC has the appropriate clocks driving it. In particular, make sure data exists on the ADC_SDATA and DAC_SDATA lines between the CODEC and the DSP U5. Third, check the audio path from the output of the CODEC

14、to the power amp and the headphone circuitry. Fourth, check that the GUITAR_SENSE signal is HIGH when a jack is plugged into the guitar input. If this signal is not HIGH then the input jack J1 or the support circuitry for the sense line is faulty. If the system thinks that a cable is not plugged int

15、o the guitar jack it will automatically mute the audio from the CODEC. Audio from the CD/MP3 Input J2 bypasses the CODEC and runs to the headphone outputs without a guitar plugged in. Fifth, if the audio is correct all the way to the CODEC, the clocks are correct, and the DAC_SDATA line is transmitt

16、ing data when an input signal is present then it is possible the CODEC is malfunctioning. If the DAC_SDATA line is not OK than its possible the DSP or an item on its bus is malfunctioning. At this point check for faulty soldering on the DSP or other items on its bus. Sixth, the audio is correct all

17、the way to the power amp but no audio out of the speaker. The headphone jack J3 mutes the Power Amp output to the speaker by removing the ground and should be checked. Note that the HP_SENSE line only changes the +AUDIO_L by enabling cab modeling for the headphones and does NOT change the audio leve

18、l. For the HD75 model only, if the +VA line is low, then the AMP_MUTE line will be active Low and mute Power Amp output. In this case the +HI supply as well as the +VA circuitry should be checked. Spider 3 Theory of OperationLine 6 Confidential. Page 14 of 14 3. The LEDs, POTs, and/or Buttons do NOT

19、 work. First, check if you can get into Test Mode by powering up the unit while pressing the TAP TEMPO button (see Section IV: Software Modes). If you are able to get into Test Mode than any button pressed should have its corresponding LED turn on. Each Pot movement should correspond to a particular

20、 LED surrounding the AMP MODELS POT lighting up and a unique pair of channel buttons turning on. Use the Test Mode to isolate any defective or damaged switchs or POTs. If you are not able to get into Test Mode, check that the circuitry for the switches is functioning properly. In particular, check t

21、he ribbon cable from H6 on the Switch/LED PCBA to H1 on the Main PCBA. All lines from the LEDs, POTs, and Buttons go directly to the MCU U3 ADCs on the Main PCBA. Check for bad soldering on U3 and that clocks/signals to/from the MCU are OK. 4. The board is running but the RJ-45 interface to the floo

22、rboard (FBV) does not work. Check for faulty soldering and or defective SM resistors, inductors, and caps attached directly to the RJ45 lines. Next check the +9V power lines to the FBV. Verify that the signals are passing trough the buffer/inverter U6 properly. The MCU U3 should be checked next. 5.

23、The Pots and Channels change by themselves. Try to isolate pot and channel changes using the Test Software Mode described in Section IV: Software Modes. Next check the +3.3V line, if any ripple exists on this line the MCU will believe it is seeing command changes from the UI. The 1000uF C37 and 3300

24、uF C28 caps on the +3.3V, all SMD caps on the Pots, and C29 and C65 on the MCU +3.3V line should be inspected for thorough filtering. 6. The Amp starts up and the LEDs function properly but the version checking doesnt work and No audio passes. The serial flash may not be programmed properly. 7. Sett

25、ings are not being saved. The FLASH memory on the Spider 3 MAIN PCBA is updated with any knob or button setting changes that occur at any time. If settings are not being saved, check for faulty soldering or components on the DSPs memory bus including the DSP U5, the FLASH U4, and the SRAM U7. Additi

26、onal Troubleshooting Tips: Pay attention to the fact that there is a bi-polar electrolytic cap C12 on the Power Amp PCBA of the HD75. BOM Report 99-010-2505 - A8-2 Amplifier Spider 3 15 US 120V LevelItem Part NumberQty UOM RefdesFind RevDescription 110 21-37-11601CBL PWR UL/CSA SJT 8.2FT BLK E L-302

27、 w/GND EL70 120 40-00-01061MANUAL USER STEELHEAD SPIDER3- 1508/3012/HD75 A8-2/A8-5/A8-7 127 40-00-01151AGUIDE POP-TOPPER SPIDER3-1508/ A8-2 130 40-00-10001HCARD WARRANTY LINE 6 140 40-01-00161CCARD LICENSE-AGREEMNT END-USER ALL-PRODUCTS 150 40-03-00311BCARD REGISTRATION UK 160 40-03-20001FCARD REGIS

28、TRATION US 170 40-03-2000-11ACARD REGISTRATION EUROPE 180 40-10-0104-11CCARTON GIFT SPIDER3-1508 A8-2 Rev.C 190 40-10-0106-11BCARTON SHIPPING SPIDER3-1508 A8-2 1100 40-10-01171AINSERT HNDL-PROTEC 395mm x 210 mm X 3mm SPIDER2-1508 1110 40-20-00111ABAG PLASTIC 10 x 16 2 mil 1120 40-20-25251ABAG PLASTI

29、C 25 x 25 4-MIL 1130 40-25-00241BSTICKER ART SEAL EULA 1135 40-25-00391CSTICKER SPEAKER-GRILL PROMO SPIDER2-1508 1150 40-25-01012LABEL BAR CODE S/N 2-PNL LTX 16 1125502 MATTE WHITE 1160 59-00-0021-51AASSY UNIT COMPLETE SPIDER3 1508 A8-2 US 120V 21 11-20-00031SPEAKER 8 4 OHM 15W 310 40-25-00421BLABEL

30、 SPEAKER 8 8-OHM 15W CHUNIL 22 21-34-00551H4 MAIN TO SPEAKERBCBL ASSY 2 PIN 8.0 LG 23 21-34-10151CBL FSTN .187-RCPT/.250-F FLAG 1-COND 161.34MM STRND 18AWG BK 24 30-00-00334SCREW 10-24 x7/8 TRUSS HD PHH BLK 25 30-00-00432ASCREW 6-32 X 5/16 LG WITH LOCK WASHER PHIL PAN ZINC-PLATED STEEL 26 30-00-0375

31、3SCREW 6-32 x .375 PPB 27 30-00-04021SCREW #4 x 1/2IN SEMS w/EXT. TOOTH WASHER STL/ZNC 28 30-00-06762SCREW WOOD NO.6 x 3/4 PHIL OVAL HD BLK 29 30-00-10204SCREW 10-24 x 1-1/4 OVAL CTSK PB STL 210 30-00-10334SCREW 10-32 x 3/8IN SCH STL BLK OXIDE 211 30-03-01124WASHER FINISHING #10 FLANGED STL BLK OXID

32、E 212 30-03-04001WASHER #4 SPLIT LOCKWASHER ZINC 213 30-03-04251WASHER #4 0.125 ID x .233 OD .018 HEIGHT ZINC PLATE 214 30-06-04401NUT HEX .242 4-40 STL/ZNC 215 30-06-08322NUT .335 HEX 8-32 STL ZINC W/ TOOTH WASHER 216 30-15-04041SHOULDER BUSHING TO-220 217 30-24-00033CABLE TIE 4 CLEAR 218 30-27-018

33、91BPANEL FRONT 13.8 X 2.8 X .70 ABS SPIDER3-1508 A8-2 310 41-00-00911CARTWORK SILKSCREEN FRONT PANEL SPIDER3-1508 A8-2 219 30-27-02041DLOGO PLATE 9.4 x 1.8 x .26 ABS SILVER A8 220 30-45-00118DKNOB POT .77 DIA x .76 HT PLASTIC CHROME PLATED 221 30-51-02581BCHASSIS 13.8 X 5.9 X 3.3 ALUMINUM SPIDER3-15

34、08 A8-2 310 41-00-00841DARTWORK SILKSCREEN CHASSIS REAR SPIDER3-1508 A8-2 222 30-63-13252FOAM W/ADH. 13.25 x 0.25 x 0.06 VOLARAPOLOLEFIN 223 30-63-15502FOAM W/ADH. 15.50 x 0.25 x 0.06 VOLARAPOLOLEFIN 224 30-63-40031PAD THERMAL TO-220 TYPE: K6 BERG K6AC-58 225 30-75-00201DKEYPAD RUBBER 6.74 x .57 x 0

35、.23 BLACK SPIDER2 226 30-75-96001GROMMET RUBBER 7/16-D x 1/16 GRV x 3/4 GRV-DIA BLACK 227 40-25-00151LABEL GROUND SYMBOL 228 40-25-00201ALABEL INSPECTION QUALITY 229 40-25-00291ALABEL ETL SAITEK 2 x 1 230 40-25-01471ELABEL ETL SUGA 2X 1 INTERTEK 231 50-00-00011AASSY RECEPTACLE-A/C W/GND WIRE SNAP-IN

36、 31 21-14-00021JACK IEC w/FUSE MALE 3 PIN PAN EL MOUNT SNAP IN VERT 32 21-34-11161CCBL EARTHING w/EYELET 16AWG 5 GREEN w/YELLOW STRIPE 232 50-03-00381CASSY CABINET SPIDER3-1508 A8-2 310 30-00-00615SCREW WOOD NO.6 x 1.0 FHP BLAC K OXIDE 320 30-00-081214SCREW w/WAX 8 x 3/4 PTB 330 30-00-08585SCREW #8

37、x 5/8IN PHIL-TRUSS BLACK w/WAX 350 30-00-10242SCREW 10-24 x 1IN OVAL CTSK PPB STL WAXED 360 30-00-81123SCREW WOOD #8 x 1 1/2 OVAL PH H STL BLK OXIDE 370 30-03-01127WASHER FINISHING #10 FLANGED STL BLK OXIDE 380 30-06-10246NUT-T 10-24 X 5/16 STEEL 390 30-28-00021CORNER LEFT HI-DENSITY POLYETHYLENE TE

38、XTURED BLACK 3100 30-28-00031CORNER RIGHT HI-DENSITY POLYETHYLENE TEXTURED BLACK 3110 30-28-00046CORNER BACK HI-DENSITY POLYETHYLENE TEXTURED BLACK 3120 30-36-00052.5ACOVER VINYL TEXTURED BLACK SEMI GLOSS 3130 30-39-00130.8GRILL CLOTH BLACK SPIDER3 3140 30-51-0188-11ABRACE BAFFLBOARD 13.8 x .90 x .6

39、9 EGS 3150 30-57-05801AHANDLE STRAP HEAVY DUTY BLACK 3160 30-57-05812AENDCAPS BLACK TEXTURED FINISH 3170 30-63-00164FOAM w/ADHESIVE 8.0 x 1/4 x 1/16 VOLARAPOLOLEFIN 3171 40-25-00831 EA4 STICKER CARB WOOD CABINET 233 50-04-0037-11ASSY E/M CHASSIS SPIDER3-1508 A8-2 100V/120V 310 11-30-00151XFMR 100/12

40、0VAC 15.2VAC x 2 / 7.2VAC SPIDER2-1508 320 24-19-00021FUSE 1A 250V 5MM x 20mm FRNT 330 50-02-00561PCBA PANELIZED MAIN/SW/PA SPIDER3-1508 A8-2 410 50-02-00581PCBA MAIN SPIDER3-1508 A8-2 55 01-16-01022R65-R66RES CARBON FILM 1K 1/2W 5% TH 520 01-24-00001R3RES 0R 1% 0805 530 01-24-10003R54,R61,R64RES 10

41、0R 1% 0805 540 01-24-10012R2,R8RES 1.00K 1% 0805 550 01-24-10025R38-R39,R53,R55-R56RES 10.0K 1% 0805 560 01-24-10031R57RES 100K 1% 0805 570 01-24-10043R1,R58,R62RES 1.00M 1% 0805 580 01-24-10R01R34RES 10.0R 1% 0805 590 01-24-13324R45,R47-R49RES 13.3K 1% 0805 5100 01-24-15021R7RES 15.0K 1% 0805 5110

42、01-24-16201R63RES 162R 1% 0805 51201/24/19122R22-R23RES 19.1K 1% 0805 51301/24/20022R20-R21RES 20.0K 1% 0805 5140 01-24-22R13R9-R10,R67RES 22.1R 1% 0805 51501/24/47517R31-R33,R36-R37,R40,R60RES 4.75K 1% 0805 51601/24/47521R27RES 47.5K 1% 0805 51701/24/54921R44RES 54.9K 1% 0805 5180 01-24-5R112R25-R2

43、6RES 5.11R 1% 0805 5190 01-25-00002JP2-JP3RES 0R 1% 0603 5200 01-48-00018 R11,R16- R17,R24,R30,R35,R42,R59POT MONO 10KB LINEAR 9MM/20MM D-SHFT HOR TH 5210 03-10-01064C4-C5,C10,C12CAP ELEC 10uF 10V 20% RADIAL 5/11/2 5220 03-10-03381C28CAP ELEC 3300uF 6.3V 20% RADIAL 10/20/5 5225 03-10-11071C82CAP ELE

44、C 100uF 6.3V 20% RADIAL 5/11/5 52303/10/61082C8,C37CAP ELEC 1000uF 6.3V 20% RADIAL 8/11.5/5 5240 03-12-01072C30,C34CAP ELEC 100uF 16V 20% RADIAL 6.3/11/5 5250 03-12-04761C18CAP ELEC 47uF 16V 20% RADIAL 6.3/11.2/5 5260 03-12-13381C38CAP ELEC 3300uF 16V 20% RADIAL 12.5/25/5 5270 03-14-02282C35-C36CAP

45、ELEC 2200uF 25V 20% RADIAL 12.5/25/5 5280 03-18-01054C6-C7,C14-C15CAP ELEC 1uF 50V 20% RADIAL 5/11/5 5290 03-18-01062C31-C32CAP ELEC 10uF 50V 20% RADIAL 5/11/5 5300 03-50-02701C23CAP NPO 27pF 50V 5% 0805 5310 03-52-010212C44-C48,C50-C51,C73-C77CAP X7R 1nF 50V 10% 0805 5320 03-52-010415 C9,C11,C13,C4

46、9,C53,C55-C60,C62- C65CAP X7R 0.1uF 50V 10% 0805 5330 03-52-03321C16CAP X7R 3.3nF 50V 10% 0805 5340 03-52-04701C72CAP X7R 47pF 50V 10% 0805 5350 03-52-047316 C2- C3,C17,C19,C25,C27,C33,C52,C54, C61,C66-C71CAP X7R 47nF 50V 10% 0805 53606/4/40028D16-D17,D19-D24DIODE SMALL-SIGNAL 100V 30A DO-41 AXIAL T

47、H 1N4002 5370 06-23-00541D10DIODE SCHOTTKY DUAL 30V 200mA 5nS SOT-23 SM 53806/28/84102D13-D14DIODE ZENER 10V 5% 350mW SOT-2 3 SM 5390 06-34-00161D15DIODE SWITCHING 75V 200mA 6nS SOT-23 SM 5400 06-34-00312D2,D18DIODE GEN PUR DUAL 120V 600mA 50nS SOT-23 SM 54109/10/44011Q2TRANS NPN SMALL SIGNAL SOT-23

48、 SM 54209/10/44031Q1TRANS PNP SMALL SIGNAL SOT-23 SM 543011/10/20127L1-L2,L8-L12FERRITE BEAD 600R 100MHz 300 mA 0805 SM 5440 12-00-03171U11AIC VREG ADJ 1.2V-37V 1.5 AMP TO-220 LM317 TH 5450 12-54-00722U1,U9IC OP AMP DUAL TL072 SM 5460 12-58-03391U10IC COMPARATOR QUAD LM339D SM 5470 12-64-45521U2IC C

49、ONVERTER 3V 24 BIT 96KHz AUDIO CODEC AK4552 SM 5480 15-62-00141U6IC 74HC14 HEX SCHMITT TRIGGER INVERTERS SO-14 SM 5490 15-72-00011U7IC SRAM 256K x 8 BIT TSOP32 SM 5500 15-86-03641U5IC DSP 24 BIT TQFP-100 SM 5510 21-00-66162J1,J3BJACK 1/4 TRS PCB MOUNT 6 PIN HORIZONTAL TH 5520 21-12-00351J2JACK 3.5MM STEREO 5 PIN CRIMPE D LEADS NON-THREADED 5530 21-20-02051H3 (TEST ONLY)HDR SIL PCB-MT 5 PIN x 2MM MAL E SHRD VERT MT TH 5540 21-20-15641H4HDR SIL PCB-MT 4 PIN x .156 MA LE VERT MNT FRIC LOCK 5550 21-20-15651H5HDR SIL PCB-MT