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IC-910H Service manual - n7tgb

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• PA UNIT<br />

TX/RX switching relay<br />

(RL700: AE5349)<br />

Pre-amplifier<br />

(Q507: 3SK177)<br />

RX balanced mixer<br />

(Q511, Q512: 2SK1740)<br />

145 MHz power amplifier<br />

(Q651, Q652: 2SC5152)<br />

TX balanced mixer<br />

Q501, Q502: 2SK302<br />

D502: 1SV286<br />

Varistor-A board<br />

DRV board<br />

Pre-amplifier<br />

(Q260: 3SK177)<br />

RX balanced mixer<br />

(Q220, Q221: 2SC3356)<br />

Varistor-C board<br />

Varistor-B board<br />

440 MHz power amplifier<br />

(Q151, Q152: 2SC3102)<br />

TX balanced mixer*<br />

(Q1, Q2: 2SK302)<br />

TX double balanced mixer<br />

D190: HSB88WS<br />

L190, L191: 617DB-1010<br />

Drive amplifier<br />

(Q131: SRFJ7044)<br />

* Located under side of the point<br />

2 - 2

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