Icom IC-T70A Service Manual page 6

POWER SUPPLY
LINE "CHG" SW
(Q101)
POWER SUPPLY
LINE "BTL5V" SW
(Q5)
MIC LINE SW
(Q7)
POWER SUPPLY
LINE "5VS" SW
(Q109)
ELECTRIC VOLUME
(IC4)
1ST MIXER (UHF band)
(Q509)
DISCRIMINATOR
(X301)
2ND IF FILTER
(FI300)
IF DEMODULATOR IC
(IC311)
1ST IF MIXER (VHF band)
(Q500)
1ST IF FILTER
(FI301)
CPU
(IC907)
5 V REGULATOR (CPU5V line)
(IC101)
DATA LINE BUFFER
(Q1)
• MAIN UNIT
(BOTTOM VIEW)
AF POWER AMP
(IC1)
ANT SW DRIVER
(Q508)
CPU RESET IC
(IC200)
2 - 2
RF AMP (UHF band)
(Q511)
RF AMP (VHF band)
(Q505)
TX MUTE SW
(Q504)
TX AMP BIAS CONTROLLER
(IC501)
VCO
TONE LPF
(Q204)
EXPANDER
(IC908)
EEPROM
(IC201)
DATA LINE BUFFER
(Q11)