SECTION 2 INSIDE VIEWS
• LOGIC UNIT
Bottom view
*: Located in another side of this point.
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| AF mute circuit | |
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| Q441* | : 2SC4116 |
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| Q442* | : CPH3403 |
IN/EXT microphone switch |
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| Q443 | : CPH3403 | ||
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| Q444 | : DTC144EU | |||
(Q461, Q462: UN911H) |
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| EEPROM | |||
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Microphone amplifier |
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| (IC591*: HN58X2416TI) | |||
(IC471: NJM2904V) |
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CPU
AF mute 
(IC661:
(IC481: TC4W66FU)
S5V regulator (Q561: 2SA1588)
M5V regulator
Q551: 2SB1132
Q552: XP6501
Q553: DTC144EU
• MAIN UNIT
Top view | Bottom view | ||||||||||||
Antenna switching circuit |
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D131, D151: 1SV307 |
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D152: MA77 |
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RF amplifier |
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| APC control | ||||
(Q165: 3SK294) |
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| (IC141: TA75S01F) | ||||
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Power amplifier |
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(Q111: RD07MVS1) |
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| Bandpass filter | ||||
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(Q101: RD01MUS1) |
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T5V regulator |
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| PLL IC | |
(Q323: 2SA1588) |
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| (IC1: MB15A02PFV) | |||
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R5V regulator |
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| Reference frequency | |
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(Q322: 2SA1588) |
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V5V regulator |
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| (X1: CR664A; | |||
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| 15.300 MHz) | ||||
(Q321: 2SA1588) |
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VCO circuit |
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| FM IF IC | ||||
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1st Mixer |
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| TA31136FN) | ||||
(Q191: 3SK299) |
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| IF amplifier | ||||
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AF mute |
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| (Q211: 2SC4215) | ||||
(IC281: TC4W66FU) |
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D/A converter (IC251:
2 - 1