Block Diagram - Icom IC-V80E Service Manual Addendum

SECTION 9.

BLOCK DIAGRAM

( 21.25MHz)
REF. REF
ADJ. OSC
X1:CR-901
FC
DTC
DICK
UP
E
DIUD
DN
S801:
TP70N00E20
INTPTT
S3 :
SW-149
INTMIC INTMIC
CONT
MC1: Q82:LDTC144EE
EM6027P
PTT PTT
CONT
SW5V
J2 : Q17:2SA1832
D 34:AVR-M1005C080M T
OPT
MIC MIC MIC
JACK AM P
I C13B:NJM2904
MIC1
MIC SENS
AF6V CONT MIC2
D 31:L1SS400
CHASSIS UNIT
Q81:XP1215
VOX
SP1:
K036NA511
AF VOLOUT
D/A
AMP
IC5:TPA0211DGN IC10:
R2A20178
SP CLIN
JACK CLONE
CLONE BUFF CLOUT
Q 31:LDTC144TW
J3 :
D27:LRB706F
D 65:MA2S7280G
CP1
BATT-V VIN
D ETECT
BATT+
VCC SW5V
CP2
BATT-
Q55:KTA1664
Q 78:KTC811U SW 5
D 39:L1SS400 REG REG
Q56:LDTC144EE
PCON
CPU5
REG
IC12:S-812C50AMC
D 10:L1SS400
DEV
Q76:2SC4226
D59:HVC375B
IC1:LV2105V
D60:HVC375B
D61:KDV214E
CP
PLL LOOP
IC OUT FIL
VCO
LOOP SHIFT VCO
SW SHIFT
Q77:LDTC114EE
Q58:XP4601
R5
D58:1SS390
BUFF
SW5V
IC2:NJM2591
Q7:2SC4226
SQLIN IF DET-IC
(MIX,IF-AMP,
D/A
DET NOISE-AMP,FMDET,
SDET,SQLSW)
IC10
R2A20178
SD,NOIS
X3:
JTBM450CX24
CERAMIC
W/N
BPF
SW
FI2: Q83:
LTM450FW LDTC144EE
IC3D:LMV324IPW
HPF
PRE- MIC
HPF
ENPHA AM P
I C3A:
LMV324IPW
HPF
MOD1 MODIN AF1
VOX DET AM P
I C13A:NJM2904
VOLIN ANALOG SW
I C4:CD4066BPWR
T5 R5 PS5 VCO5
Q22: Q21: Q11:
L2SA1576 L2SA1576 XP4601
T5 R5 VCO5
REG REG
T5C R5C PSVCO
9 - 1
VCO5 VCO5 T5
Rx:114.300-152.300MHz
Tx;136.000-174.000MHz
D 3:HVD144
D 4:HVD144
LO
LO PRE
BUFF
DRIVE
AM P SW
Q6:2SC4226 Q4:2SC4226 Q3:2SC5110
VCO5
BUFF LPF
Q5:2SC4226
R5
FI1:FL-363
FI3:FL-363
IF XTAL
LIMIT
AMP BPF
Q13:
D62:LRB706F Q14:2SC4215 21.7MHz 3SK293
SD,NOIS
AF2/MOD2
Q38:LDTC144EE
CTCSS
DTCS
LPF LPF
SW
I C3C:LMV324IPW
AF6V
Q15:2SB1132
Q 16:KTC811U
AF
REG
AFON
VCC
CPU5V
VCC VCC
Q2: Q1:
D 1:HVD144
RD01MUS1 RD07MUS2B
(TX power detect) D 2:HVD144
PWR ANT
DRIVE
LPF
AM P AM P SW
IC3B:LMV324IPW
Q 37 :LDTA144EE
APC PWR
PS5 LIMIT
CTRL
DET
D32:LRB706F
D33:LRB706F
TXC
R5
D 11:HVB350BY D9:HVU350B
RF
BPF BPF
AM P
Q12;3SK293
IC10:
R2A20178
D/A
SW5V
DET
TEMP.
TONE
LPF
Q53: FIL SENS.
XP4601
CTCIN TEMP
WXALT
CPU
IC8:R5F2L3AAANFP
CTCOUT
TONE
RESET ESCK,ESDA POWER
EEPROM
IC7:
R1EX24032
RESET
I C11:NJU7704
ANT
LPF
Tx;136.000-174.000MH z
Rx;136.000-174.000MHz
D 50:L1SS400
TXC
D13:HVD144
CSHIFT CLOCK
SHIFT
X2 :
CR-899
VCC
LEDC
D S1:
TAK-35426
LCD LIGHT
Q25:2SC4116
DS2:HT-191UYG
DS3:HT-191UYG
INITIAL /K EY
MATRIX
D41 to D44
D46 to D49
L1SS400