Icom IC-R30 Service Manual page 9

• MAIN UNIT (BOTTOM VIEW)
MODE SWITCH: for A-Band
(Q2)
RF AMPLIFIER
: 174~380 MHz
(Q21)
RF AMPLIFIER
: for B-Band 174~380 MHz
(Q25)
RF AMPLIFIER: for A-Band
(Q11)
RF AMPLIFIER: for A-Band
(IC4)
1st MIXER: for A-Band
(IC6)
[MICRO USB] (J1000)
266.7 MHz BPF: for A-Band
(FI2)
2nd MIXER: for A-Band
(Q502)
NOISE BRANKER SWITCH
: for A-Band
(Q519)
RSSI: for A-Band
(IC503)
AM DET: for A-Band
(Q511)
J1003
I/O PORT
(IC1004)
2-4
RF AMPLIFIER
: for 380~550 MHz
(Q28)
[SQL] (S1002)
RF AMPLIFIER
: for A-Band 380~550 MHz
(Q31)
[UP] (S1001)
RF AMPLIFIER
: for A-Band 550~833 MHz
(Q29)
[DOWN] (S1000)
GVCO PLL IC: for A-Band
(IC510)
[POWER] (S1003)
IF AMPLIFIER: for A-Band
(Q507)
IF AMPLIFIER: for A-Band
(IC506)
IF IC: for A-Band
(IC504)
AUTOMATIC NOISE LIMITER
: for A-Band
(Q513)
WFM DET
(IC502)
IF IC: for B-Band
(IC500)
AUTMATIC NOISE LIMITTER
: for B-Band
(Q508)
AM DETR: for B-Band
(Q506)
I/O PORT
(IC1009)
I/O PORT
(IC1008)