General Electric Co. 201 Schematic

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Manufacturer:General Electric Co. (Old RCA)

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Page 1:

G';?'?| ETTMC 145 19 Generq]E1e?q-ig 160 h<;n.dN0_ Roy-ozs for C1 has been
r is mo e appears on pages -I3 Th~ c ange for an improved nntenna trimmer,
through 19.16 U/_ Riders vqztm mx, ,,,,mQ?,, '?'?'??' 0?P,??j;,2? ;jz,$;'eEUR,o{,?j; mo wif, used in me production. listed
'The B battery minus connection is made X1X_ The following chalgge in parts H56 RCY-052. This item allows knob adjust-
to the dummy lug 5 on the switch shown should be noted: ment of Lhe antenna trimmer for which a
gi Fig. hs X50 Change catalogue number RTO003 to read knob is available under Cat.No.RDK-158.
This model appears ln Riders Manual f0YIUEURl`~ ?f'?f"1E1e?'-"C 233' Kaiser Frazer
Volume XIX on pages 19-10 through 19-12, The mfdel f'l>P"L\l'? on woes 18-Q9
If it condition of parasitic oscillation GE 281 202 t<"f?'9/L 1'5"M_"/' ff'd"'5 -Ualtllfll 'VZIUIW
"mx strong Signals ana high volume Seb A . i li ll,lncriseswlic.etlie\'oll1me andluning
mug? chmmierized by whistles and dis_ Smce there me elemuwuy identical' tunuol slmlts appear too short lo ace
"med output is rammed on late p]_oduc_ (hex models have been addzd to the huinotlnlc the *shalt poi-ls 'nnd knobs, in
mm models in the gray Cabinet the follow hstmg for Mofiels 209, 203] and 205 whmh lloixlielil lip which is bent lo,>>\\`z1|-(1 in the
ing change will correct the condition: appears in Hldefs lolume XVIII, pages mf: Ogezimgboi the '"sU}""cm punel
Change the ghd return of the M am* 1349 and 1g_?0_ A A cr 'un_ o *cvs niet receiver instzi n,
mme, by moving bus wire lead on #2 The following ltems have been added to 0?hl;lig':n?'";i ?);'l;e"'?"`d by UWC"
lug of first if transformer to pin #5 of 'he PWS 'ISN 1 - A ? ' '
._ , , _ ._ 4 n instances where the hole for [llc
the r-l' amplifier (IT4), instead of pm #5 RAU-001 Cabinet-ixory (plastic), model ,,,:cei\.m. mound", bracket hw H L b
of the if tribe. This changes the bass of 201 mumwy locate; it is 055136 fm ff"
the i-l amplifier from zero veils to minus HAUo2a Cabinet~brown , model,.;\-e,. is poeillggcd R bg tm, fa, ,owafj
IA "?"i- 202 tlie'lr<>nt f the t ~
The following replacements should be The B?am-H'S?0lU9 Qablllff back lished control shziits to Ezhleotlirflgh
insde in the catalogue numbers: =1Sd%13;3~003 also applies to models 201 panel holes to their maximum extent, If
Delete the fouuwing parts: in Lhe l;'l~;nock out" hole Igor ?hel r?iounting
-cnt Nu. cnflrfln. Symbol Dcsoripzion General Electric 230, Kaiser-Frazer ?e"ta"' 'L 'S """"""(e]y P?5f"9"ed'
Ugnggg 1133.009 R; R??;s,,,, _ 330 This model appears on pages 18_% In case of pushbutton sticking, check for
'2?'f"';,,{,,,,,,>> Qhgough 18-28 of Rideris Volume XV111. Af??";?H;"?0b"""1g?;'Q "he b????"' 'X
nciwes noe-uw czA,B,c csWrwr_ _ Y en rough manual tuning action is ex- >> ~ ` . ' 1'"S'}' ?" ?Pe""'5*~
Eggggoxzic nerienceds if] is usually traced to insuiz binrigii tuning shaft will else cause the
Rcvllauls ncw-suis cu Emllgrrqiior .Eiee ficient spacing between the end of the Exir E ';?";] to ?f}"k ?,;, "ull l?_;`ei,""F 'U
if?,!"? ?""a?' center shaft of the turret assembly and binding rein]-i:;;s'th>:st\ini)nf? e;:a?;ater?'"
RHB-oo4 RHB~O09 Monogram Bin- the guide rod bracket near the tuning _- ?' ` "_ _ ?P "mg
lRl_L>>o29 RLLfo3-1 Ext:-Antenna Shaft' P"?d"c"i?" requirements can fc" uh?i'gt}?e;?;r;?erli; degdt chgclilliistallnlion
loop one or more as required) brag shim - ' .
' ` p|2?Q??'(???,'?;' 3 gm ._C,?'fv;??;? S??'"'?? '?nf;P'iEe"?e"? light switch respectively. If the receiver
"'\"'?'1 C=1>e=?' _- f h PP ? 8" lead their should gn to the instrument light
P1,?|,?(,\~.,,y) 0 t e center shaft of the turret in ad~ - - -- ~
, - - , _ _ control is connected to the ienition switch,
\\l>;,,g PMS# d'f??" 5? *he bm; Sh"" Washefs "lu the receiver will not operate though pilot`
' . ~ ro ieve inding and result in smoother tun- - -
lmseusl cn\,;5\,,|;,_.k. ~ V t. lamps will light.
umm "S gia?gifirgzvg ""= "C '?"~ Check the lerrdspenlm phrn cenneeelnrr.
?,h,,,?_?5w__ Though the plug pin receptacles in the
"Hmm gs?wshilw GE 230, 233 speaker lead Conner-for are emlnged in _
Llcevlazs an ca ,C;,,,,_ Model 230 appears in Rdiefs Volume such a manner to be polarized. it is often
0,005 111,600 XVIII on pages 18-26 through I8-28 and that the operator neglects to alien the
uoosgg gg ?;,\,'?c}{f,?A ltl.,de1 233 in the gems Volume, pages 13. receptacles with respect to the mnle plug
9.05 auf, 'sou 29 lhnmgh 18436. To the replacement parts llmfl _ef the Speaker, Fvrvinx Atuzether of
nmirosz C]';,'f Eiivfo, list for these two models add RMX-120, lhe incorrectly eli.\;I\D> _ _ A lnsnnnzenm C651 Cap Remains Spring ,md S?,ew_ cause the male pins to brerlk through into
agsuiesugnoggeiters wnh chassis number greener A quantity of these are used to service the thin walls of the non-conducting adja-
'=;l;>>Al;?n;>>;'lf3;?>>n is nranlmi ru the banner hr- the antenna r-f or oscillmtorconverter coil Wm hm? Ol 'h?,sl"e'*ke' Pl"g- "eS"]ll"2
For ,chassis numbers up to 55,000 the gud S*?@1<?("S~'=g=1i@S chef# 'hi "bs have '"????5?`$?"`l?? ?i?l`"i??,`f"????3;?'S'Yia??Eh
0&P?101W1'5 C10, 100 Wlfr and C12, 0005 Sen ro EF' e spnug 'spaced upon llampness as water drain-leaks upon the
f were not con td d- L h t e assem y to form s. bridge, Bearing .V _ ,
M, _ _ neC e pccor ing 0 t e u on the il nd h ld b th H v H, rcceixel components and wiring. results in
schematic diagram. Their B- connections L; in so "tho;h ti firm? Th' voltage breakdown at tube sockets (es
gvf?e grind; to th; :ft side of the switch shilid gtiferigidgerrztains :lie (xii ltlvithis neciiilly the 6V6 output tubes). or the
, oge er wit t e capacitors C2A and _ 1 _ _ shortinz of capacitors and resislors. The
C2B. This was done to nrevent a howling 'ts shfeid In heu ?f mb? _ , r>S f R2?30has been ldilgeli and the_circuit the COM Should be wel] Sea|Pd Mains;
over, t e wiring o e capacitors an or IS compee y connecting its wafer draining upon the receiver A
C215 has been changed. It was found that, free end to the secondary winding lead thorough check for probable leaks rind the
under certain circumstances, these eapec- swim; w Pin 5 Of the rwfifier, VS, so that necessary steps mken to. prevent their oc-
itors _added their charge to the peak of Cao, appears across the secondary of T4. mirrence should be taken at the time of
the line voltage, causing a. current surge Resistors R26 and R27 are connected in the initial radio receiver installation.
which was capable ol daxnaging any tube series with one another and across the A lower than normal battery voltalle can
Therefore, the negative sides of the two primary winding of T4. The junction of bv the cause of the radio to be weak or
capacitors (CQA and C2BQ were connected the resistors is grounded. foil to nn:-mte. The receiver will not
to the right side of Lheswitch SIB (B-line) To conform with these production function nroperly if the battery voltage
and the positive side of C2B was con- changes, Cat, Part URE073, R24 is dele>> mvnsurcs less than 5.8 volts.
nectedlto the terminal of the S?A switch ted from the replacement parts list and The Following changes in produc-
whlch is connected to the B+ line ol' the item URD-023, R26 and R27, 82 ohms* Lion wiring should be noted in the schema~
receiver. Now_ the charge can leak off % w,, carbon resistor is added. tic diagram:
after the set is disconnected from the Cat._No. RMX-123, pushbutton locking Capacitor`C28 has been changed to the
power supply, The following replacement screw is also added. This screw locks the left side of switch, Sl, at the junction of
has been ninrle in the pnrrs list: pughbnttgn deviee fm- auggmagk Station C27 and the switch connection. The ground
Connciringh pin hSJS-Kgs' ig] E351 loop tuning ,md has R kuurled head md thread. lead of C28 is connected to chassis ground.
?John F. Rider

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