RCA-Victor-Co-Inc-91-B 电路原理图.pdf

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1、PAGE 382-B MODEL 91B Battery Operated Receiver L2 26 MODEL 91 B CI 110 11,11-0 LiV., O CUC3 14-405 7-,-.MMFa 4.30atirp 300. MIN C4 AS -1 0 MODEL91 -B -Acompact, portable three -tube battery set .with good sensitivity, selectivity and tone.Five -inch magnetic speaker and volume control.Comis with 7 -

2、foot cable for storage battery connection and fuse in B battery lead as tube protector.Cabinet of metal, of midnight blue top and sides, silver front a d back. A Battery RequiredSir -Volt Storage Battery B Battery Required Three 45 -Volt Blocks A Current 0 9 Ampere (Maximum Volume) 18 M. A. B Curren

3、t (Minimum Volume)9 M. A. Type and Number of Radiotrons 1 RCA -78, 1 RCA -77, 1 RCA -38, Total 3 Undistorted Output Tuning Range Type of Loudspeaker R.F. 78) /31 V L4 L4 C .01 MFO 3t2 20,000 R 350.000A 55. C4C7 4,t1, 4.3T 10 puler, C5 O 511F0 DET 77) SOK 0 2 Watts 540-1712 K. C. Magnetic OUT QPUT8/S

4、T 2 a7V C9 300 Mmi-D, R5 4 C i0 L.rola a a C14 .004 3 ar5 /23 V. 113 A -1+ B - 6 V.+135V. -Schematic Circuit Diagram REPLACEMENT PARTS 4:rink S PICR. O1 I vJ L2 750A SI Ft Insist on genuine factory tested parts, which are readily identified and may be purchased from authorized dealers Stock No. DESC

5、RIPTION LittStock No. DESCRIPTION List RECEIVER ASSENIBLIES6111Resistor -20,000 ohms-Carbon type -1 watt (R2)- 5546Capacitor -150 mmfd. (CI) 6186 Package of 5 Resistor -500.000 ohms -Carbon type -34 watt (R6)- 3560Resistor-I,600 ohms-Carbon ty pe- ,.iwatt (R8)- Package of 5 Package of 5 6242Ilerioor

6、-2megoh ins-Carbon type -5 watt(115)- 3602Resistor -60,000 ohms-Carbon type -5- watt (R7)- Package of 5 Package of 5 6516Connector-Fuse connector 3640Capacitor -0.05 mfd. (C4) 6820Coil-Antenna coil (LP 1.2. 1.3) 3701Capacitor -0.01 mfd. (C5. CI I) 6821oilC6822-Detector coil (L1, L5, L6) 3748Fuse -0.

7、5 ampere (F1)-Package of 5 3848Capacitor -300 mmfd. (C9) Condenser-2-gang variable toning condenser (C2, C3, 3860Socket -5 -contact Radintron socket C6, C7) 3877Capacitor -0.1 mfd. (C10) 6829 Volume control (RI) 3998Resistor -15,000 ohms-Carbon type -3. watt (R4)- 6830 Cable-Ratters, cable Package o

8、f 5 6841Capacitor-Two 5.0 mfd. (C8, C12) 4070Capacitor -0.004 mfd. (C14) 6832Capacitor -4.0 nail. (C13) 4073Resistor -350,000 ohms-Carbon type -34 watt (I13)- Package of 5 7485Socket- 6 -contact Radiotron rocket 4076Escutcheon-Volume control escutcheon-Package of 2. 4077Escutcheon-Station selector e

9、scutcheon-Package of 2. REPRODUCER ASSEMBLIES 4078Knob-Station selector knob-Package of 5 7712Support-Cone support 4079Foot-Rubber foot-Package of 4 7713Mechanism -Speaker mechanism complete (I 7) 4096Knob-Volume control knob-Package of 5 4097Switch-Operating switch-Double pole-Single throw 9470Reproducer-Complete (51. S2)9471Cone-Speaker cone-Package of 5 -taattttgtI -.-. RCA VI p 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN