Inside Views - Icom IC-FR4000 Service Manual
Uhf fm repeater
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Also See for IC-FR4000:
- Service manual (70 pages) ,
- Instruction manual (20 pages) ,
- Price list (158 pages)
Table of Contents
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SECTION 2
• 25PA UNIT
Top view
Power amplifier
IC2: SC-1323 [H]
SC-1322 [L]
+10V REG
(IC8: µPC2912T)
APC amplifier
(Q11: 2SB1143,
Q12; 2SC2712)
YGR amplifier
(Q4: 3SK3475)
Temp sensor
(IC3: NJM2107F
D15: MA29WB)
+5V REG
(IC7: TA78L05F)
• 50PA UNIT
Top view
Pre-drive
IC1: SC-1323 [H]
SC-1027 [M]
SC-1322 [L]
Temp sensor
(IC4: NJM2107F
D1: MA29WB)
+8V REG
(IC3: TA7808F)
APC amplifier
(IC2: TA75S01F)
YGR amplifier
(Q1: 3SK3475)
+9V switching
(Q5: 2SA1362)
INSIDE VIEWS
Power amplifier
(Q2: 2SC3102)
2 - 1
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