Icom IC-F8101 Service Manual page 66

SECTION 11. VOLTAGE DIAGRAM
• DISPLAY-A UNIT (1/2)
HVLED
Sheet 2
BLED
D6004
R6009
1SS355 33k
Q6001
UMZ2N
7.9 V
R6011
CP6009
CF20
J6001
1
8V
MK
SW1 2
D6002 1SS355 MP
3
AESMIC
1SS355 D6003 PTT_
PTT 4
L6001 10U MCE
5
MICE
MIC 6
CP6011
GND 7 CF20OPEN
MC MC
8
AF
9 L6002
10 10U
to MIC UNIT
J6901
SP_
IOK
IOK
EMGK
EMGK
UPK
UPK
DNK
DNK
P1K
P1K
P2K
P2K
P3K
P3K
T1K
T1K
T2K
T2K
T3K
T3K
T4K
T4K
Sheet 2 T5K
T5K
T6K
T6K
T7K
T7K
T8K
T8K
T9K
T9K
T0K
T0K
MANK
MANK
MUTK
MUTK
TLK FZRS
TLK
TRK
TRK
CHUK
CHUK
CHDK
CHDK
CALK
CALK
SCNK
SCNK
FSP
1k
MK R6007
MP R6008 1k
R6348
Q6304
2.2k
2SD1802
R6346
22
R6347
NTCG16
R6010
IC6014
1 8
6.8k
2 7
3 6
4 5
IC6002
1 8 NJM2904V
2 7
3 6
4 5
TC7W04FU
18k
L6004
L6003
10U HF50ACC322513
R6026
NTCG16
14.7 MHz
1.4 V p-p R6035 47k
FZFE
FZMD
R6014
1
0
PB6/AN6/DA0
C6013 2
PB7/AN7/DA1
12P 3
AVCC
4
X2
X6001
5
X1
CR-636A
6
NC
7
C6014 12P RES
8
TEST
9
VSS
10
PJ1/OSC2
11
PJ0/OSC1
12
VCC
0.47 13
C6017 NMI
P87 14
P87/TREO
15
P86
P86/TRBO
FZIO 16
P85/TRAIO
17
P37/TXD_3
18
P36/RXD_3
19
P35/SCK3_3
20
P34
IC6001
1 5
OUT CD
2
VDD
4
3
VSS NC
S-80942CNMC
CF20 CP6001
CF20 CP6002
CF20 CP6003
CF20 CP6004
11-1
to LCD DS1
29 30
3.6 V
5.0 V
IC6005
C6034
1 14
GAIN1 IN
2 13 2.2 MGEN
GAIN2 GAINSW
C6025 1 3 12
DET INT
4 11
OUT SENSE
5 10
C6026 1
BUFFIN VREF
6 9
BUFFGAIN V+
7 8
BUFFOUT GND
NJM2783V
MGEN
60
T7K
P96/FTIOC3
59 T6K
P95/FTIOB3
58 T5K
P94/FTIOA3
57
P13/IRQ3
56
P12/IRQ2
55 RD
P23
54 FZTX
P22/TXD
53
P21/RXD
52 A0
P20/SCK3
51 WR
P24/TRDOI_0
50 1
VSS
2
49 DB7
P67/FTIOD1
48 DB6 3
P66/FTIOC1
47 DB5
F65/FTIOB1
46
DB4
F64/FTIOA1
45 DB3
P63/FTIOD0
44 DB2
P62/FTIOC0
43 DB1
P61/FTIOB0
42 DB0
P60/FTIOA0
41 CS
P25/SCK3_2
R6338
47k
R6339
47k
R6340
IC6004
47k
R4F20223DFD
IC6007
1 5
GND NC
2
VIN
3 4
VOUT NC
S-812C36AMC
13.4 V
MI
MCE
PTT_
IC6008 SP_
S-812C50AUA
R6059
TXD_
O I
RXD_
10
G
8V
R6056
47k
R6057
47k
L6005
470U
DA221
DA221
D6005 D6006
7.9 V
IC6009
NJM7808DL1A
O I
G
IC6012
1 5
2
3 4
TC7SZ07FU
IC6013
5
1
2
4 3
TC7SZ07FU
IC6006
5
4
Q6003
TC7S08FU
DTC114EU
IC6010
1 8
2 7
R6064
3 6
4 5
0
NJM2904V
L1SS400
D6007
• MIC-A UNIT
10 9
AF
8 7
MIC
6 5
PTT
4 3
SW1
2 1
J6901
*: Refer to the PARTS LIST for the value and name of component.
TX=0.5 V
to MAIN UNIT
RX=4.9 V
J1003
J6003
13 GND
12 CMSEL
11 VLED
EP6009 MMZ1608Y102BT
10 14V
EP6001 MMZ1608Y102BT
9 MIC
EP6004 MMZ1608Y102BT
8 MICG
EP6002 MMZ1608Y102BT
7 PTT
HF50ACC322513
6 SP
L6007 CF20 CP6008
AESSAI
5
L6008 HF50ACC322513
4 HV
EP6003 MMZ1608Y102BT
3 TXD
EP6005 MMZ1608Y102BT
2 RXD
1 GND
HJ6004
FZ3V
10 FZ3V
FZRX
9 FZRX
FZTX
FZTX
8
FZRS
7 FZRS
FZFE
6 FZFE
FZMD
5 FZMD
4 FZIO
3 GND
2
GND
1 GND
L6006
J6005
P86
10 P86
7A06L-101K 9 NC
RES
8
7 GND
6 GND
5 NMI
FZIO
4 P85
P87
3 P87
2 NC
VCC
1
IC6011
NJM2835DL1
I O
10.0 V
G
HVLED
CPU3V
Sheet 2
R6072
LEDC
470
C6901
0.001
1:MIC
J6902
MIC 1 2:MIC SW1
7
2 7 1
3:AF
8V 8
GND 6 4:MIC SW2
6 8 2
MICE 3
SW2 4 5:PTT
5
8V 5 3
6:GND
4
7:MIC GMD
8:8V