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1、DiVA Service Manual A80 Amplifier P80 Power Amplifier Issue 1.0 ARCAMARCAM Bringing music (2 2 fit jumper 1.6V NF C401 47P 100V 0805 R40310K 0W125 0805 C415 100UF 25V YK remove jumper to decrease bias voltage on pins 1 Q403 Q409 D405 1N4003 DO-41 D408 1N4003 DO-41 0V_FB_L 0V_FB_L ADJUST ISSUE DRAWIN
2、G NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L943C5_5.1.SCH A80/P80 - Power Amp Right Contact Engineer: L943C5 9-Sep-2003 INITIALS Printed:58Sheetof Notes: Contact Tel:(01223) 203 200Mark Tweedale A fit jumper 1.6V NF C501 47P 100V 0805 C515 100UF 25V YK Q503 Q509 D505 1N4003 DO-4
3、1 D508 1N4003 DO-41 0V_FB_R 0V_FB_R ADJUST TR513 SAP15NY SAP TR515 SAP15PY SAP Q500 Q511 ITEM5001Con Jumper Socket 0.1IN Gold Blue8K004 TR514A ZDT758 SM-8 TR514B ZDT758 SM-8 TR512A ZDT6758 SM-8 TR512B ZDT6758 SM-8 R549 820R 0W25 MF R550 820R 0W25 MF R547 820R 0W25 MF R548 820R 0W25 MF R509 1K0 0W125
4、 0805 R512 1K0 0W125 0805 NF NF ANNOTATION REF500 LM431AIM3 SOT-23 DZ502 BZX84C 3V9 SOT-23 DZ503 BZX84C 3V9 SOT-23 R519 470K 0W125 0805 R521 470K 0W125 0805 D509 BAV99 SOT-23 NF R55118K 0W25 MF R55818K 0W25 MF P501 P502 P504 P505 P507 P508 P509 P510 P511 P513 P514 P515 P520P527 P529 P530 P531 P532 P
5、533 P538 P539 P540 P542 P544 P546 P549 P551 P552 P554 P556 P558 P559 R523 220R 0W25 MF R528 220R 0W25 MF 0V_FB_R0V_FB_R 0V_FB_R 0V_FB_R OUT_R R517 1K0 0W125 0805 R518 1K0 0W125 0805 R560 330R 0W125 0805 R50310K 0W125 0805 R5404K7 0W1250805 R539 22K 0W125 0805 1 2 3 CON500 HARWIN M20-973 remove jumpe
6、r to decrease bias voltage on pins 1 * NF NF 03_E116TGPNO CHANGE TO THIS SHEET2.117 APR 03 03_E120TGP13 May 03LEDs, BIAS 0V_PREOUT Q727 Q718 Q719 Q714 P80 TRIGGER IN TRIGGER OUT TR701 BC849B SOT-23 R727 10K 0W125 0805 TR700 BD179 TO-126 C720 10UF 50V YK +45V_L C701 100N 50V 0805 0V_CHASS L700 70R100
7、MHz R715 100R 0W125 0805 DZ700 BZX84C 15V SOT-23 GND1 NC1 GND2 NC2 SKT700 HOSIDEN HSJ Vout=0.82Vin R728 10K 0W125 0805 C710 100P 100V 0805 C700 100N 50V 0805 13.5V 30mA max R738 2K2 0W125 0805 0V(D) C717 100UF 25V YK R705 100K 0W125 0805 D702 BAV99SOT-23 D703 BAV99SOT-23 SET SENSITIVITY R723 680R 0W
8、125 0805 P80 DELAYED OFF 0.38Hz_CLK 0V(D) +4.8V(D) +45V_L +4.8V(D) 0V(D) +45V_L 0V_CHASS 0V_CHASS REMOTE_P TRIG_IN C709 100N 50V 0805 VCC 16 GND 8 IC701B 74HCT4040D SO-16 C708 100N 50V 0805 0V(D) 0V(D) 0V(D) +4.8V(D)_2 Q713 (NF ON A80) Jumper Not Fitted = 2mVrms Q724 Q715 Q709 Power-On Reset *RESET
9、C711 100P 100V 0805 C712 100P 100V 0805 R735 47R 0W125 0805 ITEM7003Con Jumper Socket 0.1IN Gold Blue8K004 R725 22K 0W125 0805 R724 22K 0W125 0805 C721 220UF 16V YK C715 100UF 25V YK +4.8V(D)_2 R718 1K0 0W125 0805 R719 1K0 0W125 0805 R720 1K0 0W125 0805 R736 3K3 0W125 0805 R737 2K2 0W125 0805 LATCH
10、+4.8V(D)_2 CLK 3 D 2 SD 4 RD 1 Q 5 Q 6 IC703A 74HCT74D SO-14 CLK 11 D 12 SD 10 RD 13 Q 9 Q 8 IC703B 74HCT74D SO-14 VCC 14 GND 7 IC703C 74HCT74D SO-14 TR702 MMUN2111LT1 SOT-23 +4.8V(D)_2 R733 3K3 0W125 0805 0V(D) ANNOTATION NF ON A80 D700 BAV99 SOT-23 D701 BAV99SOT-23 R726 22R 0W125 0805 0.38Hz_CLK P
11、708 P707 P701 P704 P702 P710 P712 P705 P713 P711 P714 P724 0V(D) R706 0R0 0W125 0805 C705 100N 50V 0805 NF ON P80 REMOTE_N - Vin D704 BAT54SSOT-23 +4.8V(D) 12 R707 4K7 0W125 0805 (NF ON A80) TO SHEET 6 C706 100N 50V 0805 R708 100K 0W125 0805 DZ701 BZX84C 4V7 SOT-23 1 2 CON701 HARWIN M20-973 1 2 CON7
12、00 HARWIN M20-973 R713 100K 0W125 0805 R711 22K 0W125 0805 R712 22K 0W125 0805 R716 330R 0W125 0805 R717 330R 0W125 0805 Jumper Fitted = 0.5mVrms (default); Jumper Not Fitted = 2mVrms R714 0R0 0W125 0805 R721 0R0 0W125 0805 0V(D) NF P706 P700 P703 P709 P715P716 03_E116TGPNO CHANGE TO THIS SHEET2.117
13、 APR 03 03_E120TGP13 May 03LEDs, BIAS high power winding output voltage to comply to test specifications given (see Test Circuit and Test Specifications at right). 8. Windings to be evenly spaced with minmal gaps; magnetic radiation should be minimised. 9. Max core flux density 1.5T at nominal ratin
14、g (referred to M4 core material; see 14 below). 10. Core must not saturate at 20% over nominal primary voltage. 11. Temperature rise to be less than 60 C at 30% duty cycle (referred to 230V input voltage and On-Load current). Mechanical Specification - 12. Primary wires self-ended and individually s
15、leeved, then sleeved together. Secondary wires self-ended and individually sleeved. Low power secondary centre tap to share common sleeve. Use PVC sleeving. 13. Primary/Secondary leadout separation to be minimised. 14. Product is for hi-fi audio; hum must be minimised. 15. All wire lengths are +20,
16、-0 mm. All wires stripped 8 +/-2mm and tinned. A: 55mm max LEADS EXIT NEAR TOP HIGH POWER SECONDARIES 120MM 140MM Interwinding Screen + 6800uF 115V ac 115V ac BLUE GREY BLACK + WHITE DRAWING NOT TO SCALE TOP VIEW Trough Voltage +Vout OUTPUT WAVEFORM 0V (Black + White) Peak Voltage 63V 63V GBU8D 8A 2
17、00V TEST SPECIFICATIONS Input Voltage (series primaries)230V265V Max Off-Load Peak Voltage Min On-Load Trough Voltage41 +1.5/-0 V On-Load Current 100mA 6.0A Off-Load Current- - 6.0A 63V - TGP21 Feb 031.0 17Vac 100mA* 17Vac 100mA* ORANGE BLUE ORANGE WHITE (Approximate Test Circuit DC output voltage w
18、ith ripple) 3.2Vac 55mA* WHITE WHITE * - wire diameter at least 0.4mm (may have 5mm bulge for leadouts high power winding output voltage to comply with test specifications given (see Test Circuit and Test Specifications at right). 8. Windings to be evenly spaced with minmal gaps; magnetic radiation
19、should be minimised. 9. Max core flux density 1.5T at nominal rating (referred to M4 core material; see 14 below). 10. Core must not saturate at 20% over nominal primary voltage. 11. Temperature rise to be less than 60 C at 30% duty cycle (referred to 100V input voltage and On-Load current). Mechani
20、cal Specification - 12. Primary wires self-ended and individually sleeved, then sleeved together. Secondary wires self-ended and individually sleeved. Low power secondary centre tap to share common sleeve. Use PVC sleeving. 13. Primary/Secondary leadout separation to be minimised. 14. Product is for
21、 hi-fi audio; hum must be minimised. 15. All wire lengths are +20, -0 mm. All wires stripped 8 +/-2mm and tinned. A: 55mm max LEADS EXIT NEAR TOP HIGH POWER SECONDARIES 120MM 140MM Interwinding Screen + 6800uF 100V ac 100V ac BLUE GREY BLACK + WHITE DRAWING NOT TO SCALE TOP VIEW Trough Voltage +Vout
22、 OUTPUT WAVEFORM 0V (Black + White) Peak Voltage 63V 63V GBU8D 8A 200V TEST SPECIFICATIONS Input Voltage (parallel primaries)100V115V Max Off-Load Peak Voltage Min On-Load Trough Voltage41 +1.5/-0 V On-Load Current 100mA 6.0A Off-Load Current- - 6.0A 63V - TGP17 April 031.0 17Vac 100mA* 17Vac 100mA*
23、 ORANGE BLUE ORANGE WHITE (Approximate Test Circuit DC output voltage with ripple) 3.2Vac 55mA* WHITE WHITE * - wire diameter at least 0.4mm (may have 5mm bulge for leadouts & sleeves) 3.2Vac WINDING 330MM 230MM 17Vac WINDINGS PRODUCTION RELEASE 160MM 03_E118 A80 Mechanical and packing parts list Pa
24、rt NoItem No Description GENERAL MECHANICAL PARTS E119AY4Diva A80 Rear Panel And Silk Screen Assembly E139AY5A80 Chassis Assembly E830017Gasket Transformer M01/0158 E869PM8Button Tact Switch Power Diva E879PM9Foot Black Diva E891PM11Knob A80 Volume & DT81 Selector E896PM12Button DT81 (MODIFED SHANK)
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