Shure SR105 service manual RKC53, Irc Cec-To, RKC9

Page 27

REPLACEMENT PARTS FOR SR105 POWER AMPLIFIER

Reference

Designation Kit. No.*

I RKC9

1

4

1

1

-

/

1

-

 

-

 

-

 

 

RKC53

 

1

 

 

-

 

-

 

 

-

 

-

 

 

-

 

-

 

 

-

 

-

 

Part No. I 86A349 /

86A355 1

86A354

86A333

86A363

86A364

46A042

45F6818B

45F6498B

Replacement Kit Consists Of:

Descri~tion

Transistor. Silicon. NPN

Transistor, Silicon, NPN

Transistor, Silicon, Power, PNP

Transistor, Silicon, NPN

Transistor, Silicon, Power, NPN, VI Limiting Transistor, Silicon, PNP, VI Limiting Potentiometer, P.C. Bd. Mtg., 10K Resistor, Metal Film, 1.3k, 1%, 1/2 W Resistor, Metal Film, 68.1 ohms, 1%, 112 W Resistor, Metal Film, 64.9 ohms, 1%, 1/2 W

Commercial

Alternate

Motorola 2N5088; TI 2N3711

Motorola MPS-A06

Motorola 2N5680

Motorola 2N5682

Motorola MPS-A20'*

Motorola MPS-A70**

IRC CEC-TO

IRC CEC-TO

FILTER BOARD ASSEMBLY (SRIOSA ONLY)

C201

-

-

50KB224

Capacitor, Film, .22 aF, IOOV

C202, C203

-

-

50KA104

Capacitor, Film, .IaF, IOOV, 5%

C204

-

-

86A630

Capacitor, Electrolytic, 4.7 or 5 PF,35V

C205

-

-

50KA124

Capacitor, Film, .I2 PF, 1OOV, 5%

C206

-

-

86K628

Capacitor, Electrolytic, 250 PF,16V

Q201, Q202

RKC9

4

86A349

Transistor, Silicon, NPN

Q203

-

-

86A348

Transistor, Silicon, Low Power, PNP

CDE 1P22-10

Sprague 225P10491; CDE 1P1-10

Sprague

30D-TE1303; CDE NLW-5-50

None

Sprague BOD-TE1164.5; Mallory MTA- 250F15

Motorola 2N5088; TI 2N3711

Motorola 2N5087

'Parts listed as RKC Kits should be ordered by that kit number. Any orders received for piece parts where RKC Kit number is shown will be shipped in RKC quantities ^*Use i n emergency only. Select for high gain. May affect power output and reliability.

Image 27
Contents SR105 Power Amplifier Specifications Iii Page Table of Contents Page Description SR105 Power AmplifierSR105 Power Amplifier Front Panel General Operating Instructions Operating InstructionsInput Connections Power RequirementsMounting and Ventilation Thermal OverloadSR105 Power Amplifier Block Diagram Output Connections Direct Output only AMPLIFIER-TO-SPEAKER Distance Meters Recommended Wire Gauge VS. AMPLIFIER-TO-SPEAKER DistanceOutput Voltage Meter Volt OutputSpecial Operating Instructions Basic Operating HintsAdding SR105A Amplifiers in a 70-VOLT System Cascaded Bridging Connections Adding Headphone Jack to Speaker ConnectionsCoil Service Instructions Printed Circuit Board Removal Driver Transistors Small Signal and Predriver TransistorsChecking Transistors and Diodes Output TransistorsDiodes Diode Bridge RectifierGRN RED YEL BLK WHTCOM GND Service IllustrationsJI J2 Page XF1 RKC37TB1 TB2RKC53 IRC CEC-TORKC9 Main Circuit Board Parts Location Diagram DC Voltage Measurements TroubleshootingGeneral AC Voltage MeasurementsPage SR105 Power Amplifier Circuit Diagram Page Architects Andengineers Specifications Condensed Operating InstructionsConstant Voltage 70-VOLT Speaker Output