Tandberg-TPA-3006-A-Service-Manual电路原理图.pdf

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1、TANDBERGTPA 30064 Circuit Diagram and Alignment Instructions From serial No. 0970 Zero feedback version RadioFans.CN 收音机爱 好者资料库 -l oc rc .rr-r. Fl ;s,1*S.- #.iE =?: -Frq-H-J,:t) 1=C pi I :; : l-rr Enror I li I n-*-; .in- - -m ;pr =:/, F11-s -!#v;,+3 i F51,.,HI nilq_t_=l|jLlLl ;Fc:F I LJUH-iix.i*. Rr

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3、1 r gE,1-rf -li:tprI lt tii tEI E: ,VEl L / iTITl l+, LJEr-rE L g 3 or,- -F r. -i = : cunnerrfi fT: - 0ll2 Adr .-l li ll Y Fr: ol25 0l ll FUUtITiIoI FUL U 3 :- I I A II-I ,2t. EHI lH I nn (-) ?.? ?LJ UU cCgE BEi t-lo q nrH I I il 0,H, tLJ q;,hl f.l c2 str*u,!) F u*r, | _ Rzz o:oswroi3lo lJg _lri,_u_

4、 ,q li l*Hift+= i s s.-n *ii,L.ililEiilff,i*11f T*t* l=trj Hf- ihh*lrl trl-= ijts;Qf )$ l *4;5$ f- t$,ffi i sry f ru* N 4$.=-.#. tlft ftlil Lif; ilfr t o e F-r # F ss$s eFsiE eigg e, , -J -Jlr rl Power amplifier board, left channel, component side -fF Power amplifier board, right channel, component

5、side RadioFans.CN 收音机爱 好者资料库 Checking the speaker protection relay - Disconnect speaker load. - Apply 6 to 8 V d.c. with 220 kohm in series (+ and - alternatelv) to R508/R509. The relay should then open. The power supply board seen from the solder side NOTE! lnput FETs 0103/0104 and O203/O2O4 are ma

6、tched pairs, and should be.replaced with the same group. Each matched pair of transistors needs a spesific value of source resistors (written by hand on the pc board). After replacing the FETs, check for correct current. The voltage across R147 /R247 should be 2.2Y t 0.2 V. All measurements in the a

7、mplifier must be made with a probe having minimum 5 kohms. Peak clipping Adjust R1371R237 to minimum tight in LED at slight dipping. 220 kohm +or-8V *.4 t,-Et t tHt _-lq I tu frItsor I-l - a I =5rl 9IYE; - B o o f, 1o t1fi r /l.o I t617 +( !l gc fg t4 r. GI I3 ? bEqF fl+ffilf R6os T.cRsos-.c5orl o.r

8、, - . -10- ErY 1 ffi*%1 /g ,ffiffiF!i ;+;gsHBHHt F oo,+lQ-6o7dr or ; :L-a arl!. ir. ? -1- l V - i- r- iili te Eg !E ai -l.:- | iJ * F1-4 -i54(ftir 6rtrn toeL H_r_-r1 / .f-r : os ir ,., g- Lii -q. t i sEl rli lLTI POWER AI.,IP L.CH tt- 1A r I l l4 I i-I Circuit diagram I i, I I I I I .ln 6 fr Oll/a/a

9、r/8 S. r. t .td. li lq -!t- erbti B i I I Laf,r L+.-H+- ld$ T* i t_-l OUTPUT POWTR R.IH r I I I I -J I L I I I I :ola (.lt (.1( : t oic lr rf g: r! jr 9 s LJt It.rt 6.il lE *;, i 6 Ei-,=s qdEeq *Ht *so, tT. Ho L.-.-.1 o-6 lg t i lfii iffi d- ffi6uB+tH6F. I I l Power supply board, solder side Output

10、power amplifier board, solder side d= .B- 5 *oe t 5 LED board, solder side .$g *ot* 6 orgot nrn tF crltl /q ? t.= I rdrRcE a loltE -L_-tsRIr/&r R 303/(03 .G- . OAIE I f*r l l6J .t!il , osz62 DR fl R30!O. U r + rilrE f OO t gcEl I + Hl los, cnnor -.-P I g- DtArFaro|e cluaol crt *|lq ta | *rRcE lgte -

11、 f4 Rgldt o o o o o G +o H ooo ooo o .l. l 0q I l- I H Jo o loooo lo o o o lnput board, solder side Tandberg Power Amplifier TPA 3006 A Technical Data Power requirements: Powcr conatmption: Dimcnsions: l 15/230 Vr 10%.50/60 Hz 50-770W Width: 17 1/8 43.5 cm) Depth: 1 3 % (35.0 cm Heigth: 3 % ( 8.3 cm

12、) Weight: 25 lbs (11.3 kg) Secondary Disclosures Output lmpedancr.(20 - 2O.Od) Hzl: Widcband Drmping Fector: SMPTE I ntermoduletion Oirtortion : I H F I ntermodulation Oi3tortion: Trsnrient Ove?load Rccovory Time: Reactiye Load Frctor: Rcective Load Rsting: Sepuation: Diffornca of Frcguency Recpon$:

13、 Other Technical Data Frequenry Rcgonts: Output lmpadanca (20 - 2O.OOO H:): Slew rato: A-w.ighted S ign!l-toJVoir. Ratio : (Ref. 150 W/8 ohmsl Rile time: ,l.,1 Technicaf Data according to IHF-A-2O2,1978 Continuour Averaga Power Output: 8 ohms, 20 - 20.000 Hz, THD 75d8 0.1 dB 0.15 Hz - 1.5 MHz +o/-3dB 0.04 ohms 250 V/sS 117d8 0.9 ss Specifications are subject to change for funher improvement without notice. g tt f o F Q 3 q o 3 z o i o ( sl T r z !? N F (D Tandberg A/S FetveienBox 53 N-2007 Kjeller, Norway