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LBI-38751C

ericssonz

13 AMPERE POWER SUPPLY
19A704647P11-P12, P14
19A704647P1-P3

Maintenance Manual

WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK HAZARD. DO NOT
EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.

CAUTION:  TO PREVENT ELECTRIC SHOCK DO NOT USE THIS
(POLARIZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE OR
OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO
PREVENT BLADE EXPOSURE.

THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED
PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK DO NOT
PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN
THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED
TO DO SO. REFER ALL SERVICING TO QUALIFIED SERVICE
PERSONNEL.

CAUTION

Содержание 19A704647P1

Страница 1: ...SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE THESESERVICING INSTRUCTIONS ARE FOR USE BYQUAL...

Страница 2: ...orized service technician or facility designated by the supplier Any repairs alterations or substitution of recommended parts made by the user to this equipment notapproved by the manufacturer could v...

Страница 3: ...he use of the service technician Refer to the appropriate Specification Sheet for complete specifications 19A704647P1 P3 ULApproval 19A704647P11 P12 CSA UL Approval Pending 19A704647P14 European Appro...

Страница 4: ...fied serv ice shop when service or repair is required Incorrect reassembly may result in a risk of electric shock or fire 10 To reduce risk of electric shock unplug unit from outlet before attempting...

Страница 5: ...of Q1 Q2 R1 and R2 In order to control the output voltage of the supply the series pass tran sistors are operated as variable resistors If the load on the supply is increased causing a drop in the out...

Страница 6: ...his winding at J6 and J7 along with D2 and C9 into approximately 30 volts DC at nominal line voltage This bias voltage then provides power to all to the internal circuitry of the supply OPERATION 1 Co...

Страница 7: ...tion If trouble persists check with a qualified service person TROUBLESHOOTING TABLE SYMPTOM AREA TO CHECK FUSE BLOWS 1 shorted output 2 shorted D1 C1 C2 C3 T1 VR1 RV1 F1 NO OUTPUT 1 shorted output 2...

Страница 8: ...er using wirenut see Diagram for 240 Volt operation 6 Cover insulate exposed BRN WHT lead to prevent accidental contact 7 Move BLACK wire from J7 to J8 Power supply can now be used with a 240 Volt 50...

Страница 9: ...Figure 2 Power Supply Internal View Ericsson Inc Private Radio Systems Mountain View Road Lynchburg Virginia 24502 1 800 528 7711 Outside USA 804 528 7711 Printed in U S A LBI 38751 9...

Страница 10: ...1503 Nut 10 32 KEPS 15 M29 11003300 TY WRAP or M29 11024500 TY WRAP 16 M29 22039701 Wire Nut 17 M29 07063200 Case P2 P3 P12 SYMBOL PART NO DESCRIPTION 18 M29 07070400 Cover 19 M29 35002600 Rubber feet...

Страница 11: ...OUTLINE DIAGRAM HEATSINK ASSEMBLY P C BOARD 13 VOLT POWER SUPPLY EARLIER VERSION LBI 38751 11...

Страница 12: ...OUTLINE DIAGRAM PC BOARD LATER VERSION LBI 38751 12...

Страница 13: ...OUTLINE DIAGRAM 13 VOLT POWER SUPPLY 19A70647P1 P3 P11 P12 P14 LBI 38751 13...

Страница 14: ...SCHEMATIC DIAGRAM 13 VOLT POWER SUPPLY 19A70467P1 P2 P11 P12 LBI 38751 14...

Страница 15: ...SCHEMATIC DIAGRAM 13 VOLT POWER SUPPLY 19A704647P3 P14 LBI 38751 15...

Страница 16: ...ADAPTER CABLE 19B803437P1 LBI 38751 16...

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