Instruction/ maintenance manual of the product AVR400 Arcam
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A VR 400 Ser vi c e Ma nu al I s su e 1.
2 3 1 ITEM NO. PART No. DESCRIPTION QTY 1 TGP3523 / TGP3524 FASCIA ASSEMBLY BLACK / SILVER 1 2 TGP3526 / TGP3527 COVER BLACK / SILVER 1 3 HA4V06S TORX SCREW M4 x 6 4 80 5 5 TOLERANCES UNLESS 0.
1 2 3 ITEM NO. PART No. DESCRIPTION QTY 1 TGP3539 TRANSFORMER - POWER 1 2 FAN 80 x 80 x 25mm 2 3 FAN MOUNTING BRACKET 2 80 5 5 TOLERANCES UNLESS 0.00 ± 0.
1 4 2 3 5 SOLDERED TO POWER AMP PCB ITEM NO. PART No. DESCRIPTION QTY 1 TGP3534 CHASSIS ASSY 1 2 TGP3535 FRONT PCB ASSY 1 3 TGP3538 POWER AMP PCB ASSY 1 4 TGP3525 FOOT ASSY 4 5 TGP3540 TRANSFORMER - STANDBY 1 80 5 5 TOLERANCES UNLESS 0.00 ± 0.10 OTHERWISE STATED 0.
1 4 2 3 5 SOLDERED TO POWER AMP PCB ITEM NO. PART No. DESCRIPTION QTY 1 TGP3534 CHASSIS ASSY 1 2 TGP3535 FRONT PCB ASSY 1 3 TGP3538 POWER AMP PCB ASSY 1 4 TGP3525 FOOT ASSY 4 5 TGP3540 TRANSFORMER - STANDBY 1 80 5 5 TOLERANCES UNLESS 0.00 ± 0.10 OTHERWISE STATED 0.
A VR400 P ow er Amplier C ircu it Descr iptio n Apa rt from the po wer tra n sform er , t he po we r am pli er e lectro ni cs is fu ll y c on tai ned on t he larg e dou ble s ided PTH P CB a nd heats in k loca ted at t he botto m of t he A VR400.
add it ion al f eedbac k fur the r red uc es high fr e qu ency di st ortion a nd cr osso ver di stortion wi th in t he audi o band. These st ages a re partial ly decou pled fr om t he V cc and V ee powe r su ppl ie s by D 5 1 30 /R5 1 30 / C5 1 30 a nd D 5 1 29 /R5 1 29 / C5 1 2 9 re spectiv ely .
1) An y ampl ie r ch an nel pu ll s curr en t th ro ugh t he SO A _PRO TEC T li ne f or lon g eno ugh t o char ge up ca pac it ors C58 7 1 an d the n C5 8 72 so th a t Q5 87 4 turn s on.
T wo s ec ond ary wind ing s from the t oroid al po wer tra n sform er ar e fed in via C N63 . P in s 1 , 2 and 3 c on - nect to a c en tre-tapped sec ond ar y wind in g used t o genera te appr ox + /- 2 0VDC vi a the b rid ge recti er diod es D60 3/ 3 / 4/ 5 an d the 2 , 200μF 3 5V rese rvoir c apa ci to rs C 609 a nd C 6 1 0.
It c ommun ica tes wi th t he In put Board v ia C N 1 0 1 and a 3 1 wa y ribbon cab le . Other c onnectors c ompri se CN 9 4 wh ic h c onn ects to two sec ondar ies o f th e ma in po we r tra nsforme r and t he hard w ir ed BN 9 3 whi ch c onnects up th e da ugh ter boar d.
the sa me ma nner as d esc ri bed abo v e for RL 902 ) then th e L fron t input i s rout ed t o the l ow n oi se micr o - phon e am pli er IC 903 . This oper at es as two ca sca ded virtua l earth ampl i ers, e ac h wit h a v olt age ga in of a ppr ox im at ely 2 1 (R96 1 /960 a nd t hen R 96 5 /96 2 ) .
IC 1 0 1 has one 8 c ha nn el va ri able l ev el outpu t bu s la bell ed V OL 0 1 thro ugh t o VOL 08. Capac it ors C2 95-8 and C 23 1 - 4 oa t the g ro un d end s of t he a ss oci a ted i n te rn .
IC 1 4 3 is t he Cirru s Logic CS4 2548. It inc lu des a n SPD IF rec eive r , 2 cha nne l ADC a nd 8 c ha nne l D A C. Only one i npu t (pi n 43 ) of the S P DIF r ec eiv er is u sed ; th e ot hers a re g ro und ed.
IC 1 4 1 als o ha s two sets o f I 2S data o ut puts. D A 1 is a n 8 ch an nel I 2S si gna l (pin s 4 7 , 48, 49 a nd 5 1 ) shown as pa rt of the bu s DA 0(04 :0 7) . Thi s feeds th e in put o f th e sec ond D SP IC 1 4 2 ( on pi n s 23 , 2 4, 2 6 and 2 7) .
rog at in g the U SB soc k et an d in ser tio n of a c lea n USB st ic k con tai ni ng on ly the syst em rm wa re wi ll initiate a comp lete re cover y automatic ally . IC 1 6 4 is a M in iL ogi c ML6 1 C28 2P R preci s ion v oltage det ec to r , with a t hr es hol d of 2.
the n ece s sary lev el s hiftin g. IC 7 3 inc ludes i nt ernal c ha rg e pum ps t o con vert CMO S logi c le v el in puts to + / -5V RS 23 2 lev el outpu ts and + / - 25V t oleran t RS2 3 2 inpu ts to C MO S logic le v el out puts. Maxim um ra ted s peed is 300kb/ sec.
The HDM I in put S OC, IC 90 1 , is a 1 44 pin L QFP A na log De vic es AD V30 1 4B. Th is i s a 4 int o 1 HDM I 1 .4a mu lt ipl exe r an d is c onnected t o in puts 4 and 5 (VC R and PVR ) on t he r ea r pane l (JK 9 5 and J K96 ) . The ot her two i npu ts on IC 90 1 are n ot u sed.
Q9 1 4 and Q9 1 5 ( on the u nde rsi de of t he P CB ) send B YP ASS_ON a nd BYP ASS_OF F logic s ign als fro m IC 90 6 t o the a rra y of 4 x 20-bit non-in vertin g li ne dr iv er /bμFfe rs wit h tr i-sta tabl e out puts , IC 9 1 1 /9 1 2 and IC 9 1 5/ 9 1 6.
A V R400 Analogue Video B oard Thi s i s c onn ected in to the r est o f th e syst em vi a th e HDM I boar d us in g C N 30 1 . The cir cuit r y is s hown on sheet 1 3 of the schemat ic diag ram.
15 2326 S C M Z A VR 40 0 ( F RO N T) J. I .H B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N D RAW I NG N O 1 1 M OD E L S HEE T 1 S C HE M A TI C D I A G R A M R E VIS ION 1 2 3 4 5 6 7 .
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6 15 10 . 11 .1 6 A VR 40 0 S .K B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N DR A W I NG N O M OD E L S HEE T S C HE M A TI C D IA G R A M R E VIS IO N 1 2 3 4 5 6 7 HP D ET +5 V GN D .
15 7 10 . 11 .1 6 A VR 40 0 S .K B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N DR A W I NG N O M OD E L S HEE T S C HE M A TI C D IA G R A M R E VIS IO N 1 2 3 4 5 6 7 SB L/ S B R SL /SR.
15 8 A VR 40 0 10 . 03 .3 0 S .K S C A L E R B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N DR A W I NG N O M OD E L S HEE T S C HE M A TI C D IA G R A M R E VIS IO N 1 2 3 4 5 6 7 RG B 1.
HD ( 30 M HZ ) M ODE : H IGH SD ( 13 . 5M HZ) M ODE : L OW CLK 1 S1 :HI GH S1 :LO W ICL K 2*I CLK CL OCK D OUB LE R ( 13 .5 M *2 = 27 M ) 9 15 10 . 11 .1 6 A VR 40 0 7 6 5 4 3 2 1 R E VIS IO N S C HE M A TI C D IA G R A M S HEE T M OD E L D R A W I NG N O D E SI G N C HE CK A PP R OV E A D C 6 A B C D 5 4 3 2 1 B S .
15 10 10 . 11 .1 6 A VR 40 0 S .K P OW E R & C O NN E C TO R B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N DR A W I NG N O M OD E L S HEE T S C HE M A TI C D IA G R A M R E VIS IO N 1 2 3 4 5 6 7 TO VID EO D C / D C R E G U ALTO R TO INP UT TO POW ER DD R M EM _R EG _ 2 .
M P F L F R S R S L C E N S B L S B R 1 1 1 5 1 D A C 3 2 5 4 D C B A 7 6 5 4 3 2 1 R E V IS IO N S C H E M A T I C D I A G R A M S H EE T AV R 40 0 M O D E L 2 1 D R AW I N G N O D E S IG N C H E C K.
M P 1 2 1 5 1 D A C 3 2 5 4 D C B A 7 6 5 4 3 2 1 R E V IS IO N S C H E M A T I C D I A G R A M S H EE T AV R 40 0 M O D E L 2 2 2329 S C M Z D R AW I N G N O D E S IG N C H E C K A PP R OV E B (A M P.
3 13 15 10 . 11 .1 7 1 A VR 40 0 2330 S C D Z ( VI DE O) L .J. Y B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE C K D E SI G N DR A W I NG N O M OD E L S HEE T S C HE M A TI C D IA G R A M R E VIS IO N .
2 14 10 . 11 .1 7 3 15 A VR 40 0 2330 S C D Z 7 6 5 4 3 2 1 R E VIS IO N S C HE M A TI C D IA G R A M S HEE T M OD E L D R A W I NG N O DE S IG N C HE C K A PP RO V E A D C 6 A B C D 5 4 3 2 1 B L .
3 3 15 15 B 1 2 3 4 5 D C B A 6 C D A A PP R OV E C HE CK D E SI G N D RAW I NG N O M OD E L S HEE T S C HE M A TI C D I A G R A M R E VIS ION 1 2 3 4 5 6 7 S C R E W M A R K 10 .
An important point after buying a device Arcam AVR400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Arcam AVR400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Arcam AVR400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Arcam AVR400 you will learn all the available features of the product, as well as information on its operation. The information that you get Arcam AVR400 will certainly help you make a decision on the purchase.
If you already are a holder of Arcam AVR400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Arcam AVR400.
However, one of the most important roles played by the user manual is to help in solving problems with Arcam AVR400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Arcam AVR400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
