Page 2
PH I LCO
Service Bulletin
No. 166A
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~---<>-------::--t.t-t- - 4-----t- --6----------+4- ---+4-4-~ ~ ...i.- ...<f"o--{-----_M,gv, WHITE eurn,
k, t ~ BLACK WHITf.m.
~ -,~ ----1--....,., ~ -k,:!Y ,.!bl!I.
~--------------i--t -t :------- ---------4-- - - - /...,L----l- -<f" - ~ Ti.~
BROKEN ON MOOfL 38·A ONLY
FIG . 3- Sch cm at ic Wirin g Diagr am
®®©®®
II.= 460 KC
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@
fNTERIIAL CONN£ CT IONS
"'r FILTER CONDENSER BANK
Replacement Parts--Model 38 (Code 123)
Lis t
List
Part No.
Price
Part No .
Price
CD
Volume Contro l. . . ............. 33- 5017
$1.00 @
Condenser (.01 mid . Bakelite Block) ......
3903-Z
$0.25
®
Antenna Transformer .... .
32-1 518
.60
@)
Resisto r (.;j meg.) (Yellow-White-Yellow) ... 6097
.20
®
Resisto r (.1 meg.) (White-Wh ite-Yellow) .. . . . .
6099 . 20
@) Audio Transformer . . ...
7233
1.80
©
Condenser (.09 mid . Bakelite Block) . .. . .... .
. 4989-F
.3.5 @
Resistor (.25 mcg.) (Red-Ye llow-Yellow) ....
4410
.20
®
Wave-ban d Switch. 42-1039 .45
®
Condenser (.002 mid. mica) .
7296-C
-25
®
Compensating Condenser (Ant. L. F.-Police) .. 04000-S
.
3,,
@
Output Transformer ......
32-7286
1.60
(]) Compensating Condense r (Ant. H. F .-Police) ..
. 04000-D
.L"i @J
Voice Coil & Cone Assembly (KR-7).
36-3159 .80
®
Tuning Condense r Assembly . .. 31-1401 3 .. oo
@
Resistor (10000 ohms) (Brown-Black-Orange).
33-1000 .20
®
Compensating Condenser (Ant. H.F .) .....
.... Partol
® @ Pilot Lamp (dial) . .
. .
5316
.23
@
Compensating Condenser (Osc. H. F.).
. Part
of ®
@
On-Of! Switch.
42-1040 .65
@ Oscillator Transformer .. 32-1519 .60
®
Ballast Tube Resistor (20 ohms)
@ Condenser (.0008 mid. mica). 5878
.3,5
(Used on Model 38-A only) ..
33-3043
.25
@ Resistor (32000 ohms) (Orange-Red-Ora nge). .. 5279 .20
@)
Resistor (.1 meg.) (White-White-Yellow).
6099
.20
@ Compensat ing Condenser (Osc. L. F .). . ... 04000-S
.3,i
,':{9
Resistor (13000 ohms) (Brown-Orange-Orange).
33-1160
.20
@
Resistor (100000 ohms) (Brown-Blue-Yellow) .. . 33-1191 .20
@
Condenser (.006 mid.).
3Q-4125 .25
@
Compensating Condenser (1st I. F. Pri.) .... 04000-A . 15 Dial Assembly .
31-1408
.30
@ First I . F. Transformer. . . . 32-1251
1.05
Scale ...
27- 5068 .13
@ Compensating Condenser (1st I. F. sec.) ..... . . 04000-A
.15 4 Prong Soc1;.et.
. . . . . . . . . . . . .
7545
.11
@ Compensat ing Condenser (2nd I. F . pri.) .... . . 04000-A
.1.5
6 Prong Socket.
7547
.11
@)
Second I. F. Transformer ......
. ...... . 32- 1252
1.05 Speaker Socket .
7828
.10
®
Compensati ng Condenser (2nd I. F. sec.) . . . . .. 04000 -A .15 Shorti ng Jumper (Ballast Tube Socket) . . .
28-8061
.014
@ Filter Condense r Block (.25-.5-.15-.1-.5) .. . .. . . 03915
1.30
Tube Shield (Fits Inside Base).
28-1107 .10
@
Resistor (.5 meg.) (Yellow-White-Yellow) .. . . .. 4517
. 20
Tube Shie ld (Fits Over Base ) .
8005
.10
@
Condenser (.00025 mid. mica) .. 3082
.35
Batter,v Cable Assembly (With Plug) .
38-526,5 .95
@ Resistor (25000 ohms) (Red-Green-Orange) . ...
4516 .20 Knob . .. . ....................
27-4052 .10
@
Condenser (.00025 mfd. mica) .....
······· ··· ·
3082
.3.5
USE PHILCO REPLACEMENT PARTS AND TUBES FOR EVERY MAKE RADIO.
TORONTO
October, 1934.
Printed in U. S. A.
GET COMPLETE CATALOG FROM YOUR DISTRIBUTOR.
PHILCO
PHILADELPHIA
LONDON