Cambridge Audio Azur 340A Service Manual

Manual is about: Cambridge Audio Integrated amplifier MANUAL 340A

Summary of Azur 340A

  • Page 1

    Gallery court hankey place london se1 4bb uk tel: +44 (0)20 7940 2200 fax: +44 (0)20 7940 2233 340a issue date: 18 th june 2004 ________________________________________________________________________ service manual ________________________________________________________________________ specificati...

  • Page 2: 340A Service Manual

    340a service manual table of contents safety precautions & important notes 3 main assembly bom 4/5 micro controller pcb schematic (pic’s/switches/led’s) 6 micro controller pcb layout (top side) 7 micro controller pcb layout (bottom side) 8 front panel pcb assembly bom 9 main pcb schematic (input sel...

  • Page 3

    Safety precautions & important notes 1.Check that the rear of the product indicates the correct supply voltage for you area. 2. The lighting flash with the arrowhead within an equilateral triangle is intended to alert the user or service agent to the presence of dangerous voltages within the product...

  • Page 4

    Ap14861/4 ap part no. Drawing no description qty comments chassis assembly ap14160/1 bottom panel 1 py541 ap12652/2 foot moulding silver 4 position in place on bottom panel py544 ap12883/3 foot pad 4 affix on foot using adhesive surface m3 x 8 plastite pozi pan 4 fix feet to bottom panel. 7mm plasti...

  • Page 5

    Ap part no. Drawing no description qty comments final assembly ap11879/3 opus control box powerswitch 1 position in place on the front panel ap14819/1 push switch bar extension 1 affix and glue to power bar cd4p ab05a power bar 1 fitted to sw3 on main pcb ap15512/1 front panel insulation sheet 1 att...

  • Page 6

    Cambridge azur 340a intergrated amplifier ap14518/1 microcontroller pcb schematic (pic's/switches/led's) rc6 17 rc5 16 rc4 15 rc3 14 rc2 13 rc1 12 rc0 11 osc2 10 ra0 2 ra2 4 mclr/vpp 1 ra1 3 ra3 5 rb1 22 rb7 28 ra4 6 ra5 7 vss2 8 osc1 9 rb2 23 rb3 24 rb6 27 rb4 25 rb5 26 vss 19 rc7 18 vdd 20 rb0 21 ...

  • Page 7

    Cambridge azur 340a intergrated amplifier ap14518/1 microcontroller pcb board layout (top side) 86-756-8687998 to enhance viewing, please print to a3 7.

  • Page 8

    Cambridge azur 340a intergrated amplifier ap14518/1 micrcontroller pcb board layout (bottom side) 86-756-8687998 to enhance viewing, please print to a3 8.

  • Page 9

    Ap15185/3 ap part no. Drawing no description qty designator comments 47r resistor 0.25w 1% metal film 1 r2 220r resistor 0.25w 1% metal film 2 r3, r4 100k resistor 0.25w 1% metal film 1 r1 100nf ceramic np0 or c0g 10% 4 c1, c4-c6 47uf 16v radial electrolytic 1 c3 py634 pic16f72-i/sp 1 u1 programmed ...

  • Page 10

    Cambridge azur 340a intergrated amplifier ap14476/3 main pcb schematic (input select) 2 1 cn4: a qu ad phon o 3 cn4: b qu ad phon o 5 4 cn4: c qu ad phon o 6 cn4: d qu ad phon o 2 1 cn5: a qu ad phon o 3 cn5: b qu ad phon o 5 4 cn5: c qu ad phon o 6 cn5: d qu ad phon o 2 1 cn8: a qu ad phon o 3 cn8:...

  • Page 11

    Cambridge azur 340a intergrated amplifier ap14476/3 main pcb schematic (power amplifiers) r8 1k + 10 - 9 out 3 v- 4 gnd 7 mute 8 v+ 1 v+2 5 nc2 6 nc 2 nc3 11 u6 lm3886 c2 100nf 100v l1 +28v -28v r9 27k r48 res2w 2r2 r56 res2w 10r r57 27k r58 22k c3 10u 16v c22 47u 16v c23 100u 16v no fit power ampli...

  • Page 12

    Cambridge azur 340a intergrated amplifier ap14476/3 main pcb schematic (power supplies) earth c24 6800uf-50v c27 6800uf-50v +28v -28v d1 1n5402 d2 1n5402 d3 1n5402 d4 1n5402 f1 t6a3 al lvd! F2 t6a3 al lvd! 0v 23v 23v f3 20mm t6.3al or 3.15al to mains transformer j5 blue/white j6 brown/black l n e cn...

  • Page 13

    Cambridge azur 340a intergrated amplifier ap14476/3 main pcb schematic (tone control) c1 330p poly r1 22k r2 4k7 r3 4k7 r4 8k2 r11 8k2 c6 150n poly c9 10p sw1:a sw-dpdt defeat -15v +15v c10 330p poly r20 22k r42 4k7 r43 4k7 r44 8k2 r45 8k2 c11 150n poly c15 10p sw1:b sw-dpdt defeat c16 47n poly c17 ...

  • Page 14

    Cambridge azur 340a intergrated amplifier ap14476/4 main pcb board layout (top side) 86-756-8687998 to enhance viewing, please print to a3 14.

  • Page 15

    Cambridge azur 340a intergrated amplifier ap14476/4 main pcb board layout (bottom side) 86-756-8687998 to enhance viewing, please print to a3 15.

  • Page 16

    Ap151734 ap part no. Drawing no description qty designator notes 2r2 2w metal film 2 r48, r67 stand off pcb by 5mm 10r 2w metal film 2 r56, r68 stand off pcb by 5mm 100r 0.25 w 1% metal film 13 r7, r10, r14, r17, r19, r24-r28, r41, r46, r47 220r 0.5 w metal film 1 r75 220r 3w metal film 2 r61, r63 s...

  • Page 17

    Ap part no. Drawing no description qty designator notes 1n5402 general purpose rectifier 4 d1-d4 1n4002 general purpose rectifier 4 d5-d8 1n4001 general purpose rectifier 1 d9 1n4148 high speed signal 6 d10-d15 bzx85-c5v1 zener 400mw 1 d16 py649 t6.3al 6.3a time delay fuse-20mm low breaking capacity...

  • Page 18

    Ap part no. Drawing no description qty designator notes py645 2402-020200-010 sw-dpdt 2 sw1, sw2 as 540a amplifier py227 kdc-a04-10 mains switch 10a 250v tv-8 1 sw3 mains switch gerber ap14477/4 1 schematic ap14476/4 gerber file is ap14477/4 pcb construction details ap14478/4 please mark board pop r...

  • Page 19

    Cambridge audio azur 340a amplifier ic pin layout details front panel pcb pic16f72-i/sp (u1) ba6218 (u2) tsop1836/37 (u3) 19.

  • Page 20

    Main pcb ne5532 (u1 & u2) tc9163af (u4) lm3886t (u6 & u7) 20

  • Page 21

    Ap158421 ap part no. Drawing no description qty comments carton label (model no.) uk black 1 for box py593 cambridge selector knob mk3 black 3 py591 cambridge new range amp volume knob black 1 py639 cambridge front panel (punched and printed) black 1 screened with artwork ap13679/2 cambridge new ran...