Icom IC-7851 Servise Manual page 115

• JACK UNIT B-8102B
(BOTTOM VIEW)
• PBT2 UNIT B-8106B
(BOTTOM VIEW)
• SD UNIT B-8108B
(BOTTOM VIEW)
USB ACCESS
SD ACCESS
SD
B-8108B
R1
R9
R8
J1 R6
J1
TO SW-A J103
R5
R7
EP4
R10
R2
• PBT1 UNIT B-8105A
(BOTTOM VIEW)
• MIC UNIT B-8103B
(BOTTOM VIEW)
MIC
B-8103C
• TENKEY UNIT B-8104C
(BOTTOM VIEW)
1
R67
1
C5
R69
J4
TO PBT J1
R71
3
2
TO SW-C J1
J3
R78
R76
TO RIT SENSOR TO SUB SENSOR
J7
J7
• LED UNIT B-8107B
(BOTTOM VIEW)
6-10
R59 R51
R8
R4
R61 R53
J1
R63
TO
DISPLAY J4
R65 R3
J2
TO
DISPLAY J5
R75
R77
2
B-8104C
TENKEY
J8