GROUP   NO. COMPONENT/ ASSEMBLY MAINTENANCE    FUNCTION MAINTENANCE LEVEL TOOLS AND EQPT REMARKS (1) (2) (3) (4) (5) (6) C O F H D Section II. MAINTENANCE ALLOCATION CHART FOR ALL RADIO SETS USING RT 1439/VRC, RT 1523(C)/U, RT 1523A(C)/U, RT 1523B(C)/U, RT 1523C(C)/U, OR RT 1523E(C)/U TM  11 5820 890 20 2 B 7 0704 Battery Box Replace 0.1 CY 8523A/PRC (Ref Group Number 20) CY 8523B/PRC (Ref Group Number 84) CY 8523C/PRC AN,AO (Unit 3) 08 Deleted 09 Radio Set Inspect 0.1 AN/VRC 88 Test 0.1 A Test 0.2 1 4 Service 0.1 B Remove/Install 0.1 5 Repair 0.1 5 0901 Receiver Replace 0.1 Transmitter, Radio RT 1439/VRC (Ref Group Number 27) (Unit 1) 0902 Amplifier Adapter, Replace 0.1 5 Vehicular AM 7239/VRC (Ref Group Number 29) AM 7239A/VRC (Ref Group Number 86) AM 7239B/VRC (Ref Group Number 51) AM 7239C/VRC (Ref Group Number 56) AM 7239D/VRC AM 7239E/VRC   (Ref  Group Number 65) (Unit 5) 0903 Antenna, Replace 0.1 Manpack Repair 0.1 C AS 3683/PRC (Unit 2) 0904 Battery Box Replace 0.1 CY 8523A/PRC (Ref Group Number 20) CY 8523B/PRC (Ref Group Number 84) CY 8523C/PRC AN,AO (Unit 3) 0905 Cable Assembly, Inspect 0.1 Special Purpose, Test 0.1 7 Electrical Replace 0.1 CX 13293/VRC Repair 0.1 12 V (2 FT, 1 IN)