Icom ID-880H

9 - 2
SWR
DET
IF
AM P
LPF
APC
CTRL
HPF
X3
HPF
AMP
LPF
BPF
BPF
CERAMIC
X2
PLL
IC
HPF
BPF
CERAMIC
PWR
AM P
ATT
ATT
RF
AM P
LPF LPF
TX/RX
SW
DRIVE
AM P
BPF
XTAL
LPF
BPF
LPF
D/A
BPF
HPF
FIL
LOOP
BUFF
LPF
DRIVE
AM P
BUFF
SWR
DET
RF
AM P
LPF
TX/RX
SW
VCO
SW
PWR
AM P
AM P
DRIVE
PRE
RF
AM P
RX
SW
BPF
BPF
RX
SW
RX
SW
VCO
SW
FIL
LOOP
SQL
AM P
RF
AM P
RF
AM P
ATT
LPFATT
ATT
RX
SW
BPF
BPF
BUFF
ATT
PLLSW
RSSI
140_LO BPF3
BPF3
BPF2
V_MIX
BPF2
PLLSW
BPF1
BPF1
BPF3 BPF2
BPF3BPF2
U_MIX
RFAGCAGC
SQL
UHF_MIX
440_LO
UHF_LO
140_LO
440_LO
BPF1
AMC AMRSSI
UHF_LO
BPF1
5VS
Q41:
XP4601
DET
FILTER
SW
SHIFT
MUT E
D 145,D146,D147
IC42:TC7S66
Q109:
Q 111:2SC5231A
UNR9213
VCO8
SW
5VS
Q 73:2SC5231A
Q122:UNR9213
D91:HVC375B
Q52:2SC4738
MB15A02
Q76:
IC17:TC7S66
Q65:XP4601
D176:HSC277
2SC5008
Q 62:2SC4116
D87:HVC327C
Q 61:2SA1586
D86:DA221
SELECT
FILTER
VCO8
D92:HVC350B
IC14:
FI2
Q54:UNR9213
WIDE/NARROW
NJM2552
SELECTOR
IC15:
IF IC
LT450HW
450kHz
LT450EW
FI1
VCO
SELECT
DET OUT
SELECT
DIGI/ANAF
FIL1
Q66:
2SC4406
46.35MHz
FI6:FL-409
A
B
C
D
E
F
G
MOD
MUTE
CTCSS
FIL
Q64:
UNR9213
MUT E
TCXO
15.3MHz
DET
DAFOUT
DTCS_IN
8V
PLLSTB
PLLDATA
PLLCK
DA_CK
DA_DATA
D A2_STB
IC8:
IC53:
IC9:
LMV321
TC7S66
M62363FP
Q50:UNR9213
MOD
RREFCON
REF_MOD
MMUTE
MMUT E
VCO_SHIFT
R5
X5:CR-875
Q68:XP4601
TC7W5 3
IC13:
TC7W53
IC11:
Q59:UNR9213
2ndLO 45.9MHz
R5
MA2S1110G
Q25
Q 15:2SA1362
D59:L709CE
D 42,D52,D1006
8V
LIMITER
TX_MUTE
LIMITER
HV
D77:HSC277
D39,D47,D1005
Q 17:2SA1362
Q22REG
MT3S20P
VTX_C
D25
S-AV32
D62:L709CE
MT3S20P
D68,D75:HVU131
MA2S1110G
Q 12:UNR9213
VT8
2SC5085
IC4:NJM3404 A
D30,D53,D61,D177
Q31:UNR9113
IC3
8V
Q26
REG
PCON_U
UTX_C UT8
HV
PCON_V
S-AU82L
Q 13:UNR9213
D29
IC2
8V
Q36:UNR9113
TX_MUTE
UHFYGR
RF
MUT E
Q 79:UNR9213
IC45:
UPC2709
5VS
LIMITER
140_R5
D14,D23:HVC350B
D78,D79
D41,D44,D60
Q19:3SK324
RFAGC
400_R5
Q33:3SK318
<- 810-999 MHz
Q28:3SK324
Q121:UNR9213
D155:1SV308
LO SW
VT8
5VS
MOD_DA
VVCO_SEL
UVCO_SEL
D102
D101
300_R5
LO SW
LO SW
D103:
UT8
LO SW
140_R5
HSC277
LO SW
D170
1SV308
D104
5VS
D 81:
MA2S1110G
Q53:UNR9113
Q56:UNR9113
D82,D83,D84,D85
R5
W N_SEL
5VS
Q47:XP6501
DET_MUTE
L_DA_SEL
AFFIL_SEL
MAIN UNIT
VT8
UT8
D97 :
MA2S1110G
RFAGC
800_R5
RFAGC
<- 420-550 MHz
R5
300_R5
800_R5
D88:DA221
LIMIT
AM
SW
AGC
IC65:LMV321
Q1016:UNR9213
R5
5V
R5
Q124
3SK324
140_R5
<- 230-420 MHz
MOD
VHFYGR
AMC
Q 46:UNR9114
SW
300_R5
Q 35:2SC5008
VHFLPF
UHFLPF
PL_U
VCO_MOD
AMOD
ATT
ATT
FIL2
AF
D16:1SV308
400_R5
LO SW
440_R5
1SV308
D179
LO SW
D181:HSC277
D180:1SV308
IC49:1/2
LMV358I
MA742
1SV308
MA742
MA2S1110G
HVC365
D 13:HVC350B
D12:HVC375B
D56:1SV308
D58:HVC350B
D57:EC2C01C
D45,D51:EC2C01C
RFAGCR FAGC
Q 34:2SC5006D36:1SV308
D18,D20;1SV305
D9:1SV308
Q125
3SK324
SW
D172:DAN222
D95:HSC277
Q 44:2SC4738
Q1013:UNR9213
MA2S1110G
AFO
UNLOCK
Q110:UNR9214
HVC327C
D148:HSC277
Q113:2SC5231A
D160,D175
:HSC277
:HSC277
Q 1015:2SC5231A
HSC277
LO SW
800_R5
HSC277
800_R5
300_R5
800_R5
L5V
AF_FIL_VOL
D162
SVC383
<- 118-174 MHz
VHF VCO
UHF VCO
LIMIT
D1009:MA742
TEMP
CTRL
Q 1011,Q1012:
2SA1586
D 31:DAN222
IC64:UPC2757
D1 to D3,D178:MA2S7280
NOISE
AM P
Q1014:2SC1586
SELECT
VCO
IC1018:TC7S66
MOD
MUTE
IC67:TC7S66