RCA-Victor-Co-Inc-67AV1 电路原理图.pdf

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1、? MANUAL OF 1947 VT | OFTEN-NEEDED RADIO DIAGRAMS X 01 (M 2255555 0 lo 6 d vi OJ OJ fs. o fO /)/)/) i/) jd !: “ sD D D vD D vX 10 go 40 . ( OH* rip O l l”izi L iSic 2- i - SS V/ I “r-ll “ s! soTrH I g g sr s _uJ imwij 5e* rvN N ? O !2Si = S MM a5i Ss* aP Q iHi 1 1 ! r-/ 0 u 1S uq 5* 1 r % 4 vLfdl fi

2、E a“ r a ?cD I! S5 H.OC oSi B ! ( H Sg - 8 S z z t z iJos 5 jSt* 31 H ft V) p Cv Hil kI ibo ir.j II j 5i i * . POWER SUPPLY 收音机爱 好者资料库 RadioFans.CN MANUAL OF 1947 MOST-OFTEN-NEEDED RADIO DIAGRAMS RCA Victor VICTROLA 67VI, 67AVI Radio-Phonograph Combination r-tt Chanb No. RC-606, V “ - _-A FOR AUTOMA

3、TIC CHANGER INFORMATION I / REFER TO SERVICE DATA FOR MODEL 960S60-1 *wLa (i |aRfea I j Output Muter AUgumuat.II this msthod is ussd. eonnsct ths 0 x. y mstsr craross ths voles coU, and turn ths rscsivsr volums control r-y to maximum. N. Tsst 6scUtator.For all alignmsnt opsrotions. connset ths low l

4、usc loop MrremM BACK VIB sids ol ths tsstosdllator to ths rscsivsr chassis, and kssp ths os* cillator output os low as possibls to ovoid a-v-c cwtion CoUbrotion Seals.Ths dial sools printsd in this ssrvies note may ) | j / bs tompororily ottachsd to ths chassis for quick rsfsrsncs during ( I alignme

5、nt. rgid-* iaaa8aaaaB=3Ea82aa=gBaaeaaaaat8agmmaJWOOOCN two TWO HOLOMa aeacm HCAOa MMTCD RCO BACK VIEW Using Printsd Dial Seals. 1. Cut out ths printsd dial sools, or, hotter still, maks a tracing of ths scols. 2. With gang at full mssh ths pointer should bs sst to ths ssc* ond rsfsrsncs mork frwn th

6、s Isft hand snd of ths dial booking plats. 3. Place ths printsd dial scols or ths trewing under ths pointer so that ths extreme left seals graduations coincide with ths pointer. Use scot taps to hold ths dial seals in place. Note.It is not recommended that ths glass dial sools in ths cab inet bs rem

7、oved as on alignment rsfsrsncs. This glass diol scols is fostsnsd to ths bsssl with sheet metal lugs bent over ths scols to hold it in place. Removing ths glass dial sools will nscsssitote bending ths lugs, resulting in thstr weakening and subsequent breakage. . Bond Reception.For best reception on

8、bond with an outside antenna, adjust ths trimmer screw of C20 on ths ontonaa coil. Turn screw carefully with an insulated scrswdrivmr (RCA Stock No; 31(1) while ths rscsivsr is tuned to a station in s 31-mstsr bond. If returning to internal antonna at any time, close ths link on ths center tminol an

9、d rsadlust C bmd ontonaa trimmer C20 for best rscspttbn on 31mstsr bond. For additional information, refer to booklet, RCA Victor Rscsivsr Alignment. Connect high side of test oseiUotor to 98Q7 grid in series urith .01 mid. 08A7 grid in series with .01 mid. Yellow lead on loop in series witfi 200 mm

10、fd. (link closed) Antenna terminal in series with 47 mmfd. Turn radio dial t Aust the following for maximum pecdi output Rroodcost Quiet Point Lt. Li (2ad 1-F Trans.) at 550 ke. end of dial U. L7 (1.1 i-r TToa.) Rroodcost 1400 ke. C24 (OK.) Rroodeost 000 ke. U (ose.) Roek gang Critical Lead Dress: 1

11、. Dress speaker cahls leads down next to chassis. 2. Dress output plate capacitors neict to chassis. 3. Dress plots lead of output tube away frmn grid of oudlo omplifier 4. Dress all ac leads away from volume control down next to ebassis. 5. Dress RI6 away trmn a leads at on*ofl switch. 6. Dress R2

12、away from side of ebassis. Note.In order to remove the chassis from the cabinet, remove the knobs and the connecting cables, then unscrew the four slotted hex head screws from the two L brackets bolted to the rear of the chassis. The chassis may then be slid out toward the bottom rear of the cabinet

13、. Do not remove the hinge screws or the two large nuts in the rear of the chassis. When replacing the chassis, moke sure that the topered pins on the front of the chassis fft into the holes on the metal runners screwed to the cabinet dom. SPKR. LEADS J RCI JACK O Repeat steps 9 and 4. Short Wove 15.

14、2 me. Short Wove 9.5 me. C22 (osc.)* C20 (ant) L5 (osc.) Li (ant) Repeat steps 9 and 7 InstoU and connect chassis in cabinet with Rnk closed. Tune in a radiated rigndl of 1400 ke.oa* broadcast bond and pdgR. G92 Ipep. * Use minimum copacity peak if two eon be obtained. Cheek lor selection of correct peak by tuning the receiver to opproxl* motely 14.3 me., where a weaker signed should be received. Oscillator tracks 455 kc. above sigaol on both bonds. OIAL PMNTCK AOJUtTHCMT iHOWN iFfiTH aANS COMA A7MAK. CAMLCirr (rwLLY CLOSCfr) 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN