Icom IC-R8600 Service Manual page 66

• MAIN UNIT ( 2/10 )
14V
A8V
5V
TO MAIN UNIT (1/10)
PHONS
PHONS
SPS
AFONS
TO MAIN UNIT (5/10)
FAFL
FAFL
FAFR
FAFR
SPS
R252
3.3 L243
R253
3.3
68U
TO MAIN UNIT (5/10)
SPAF
SPAF
AFIF
AFIF
IC273
1 5
VIN VOUT
2
VSS
3 4
ON/OFF NC
S-1200B33
DA3R3V
IC271
TO MAIN UNIT (6/10)
DCOM SLEEP
14
DCOM REFLO
13
D0 (LSB)
DAD0 REFIO
12
DAD1 D1 FSADJ
11
DAD2 D2
10
DAD3 D3 ACOM
9
DAD4 D4 IOUTB
8
DAD5 D5 IOUTA
7
DAD6 D6 COMP
6
DAD7 D7 AVDD
5
DAD8 D8
4
DAD9 D9 DCOM
3
DAD10 D10 DVDD
2
DAD11 D11 (MSB)
1
DACLK
ISL5857IAZ
CP271 CP275
TO SHT.4 (IF)
SHORT SHORT
CP272 CP276
SHORT SHORT
DAFS+
CP273 CP277
DAFS-
SHORT SHORT
CP274 CP278
10MINOUT
SHORT SHORT
5V
RX: 13.3 V
MP241
R246
18K
3818
C241
22P
R244
47K
C242
IC241
1 10
0.0033 PIN PGND
R243
2 9
NIN SW
3 8
10K Timer BS
4 7
R245 AGND VDD
5 6
EN UVP
1K
MP7741
3mA (MAX)
CP241
SHORT
RX: 3.3 V
15
16 C271
0.1
17 R271 R272
1.8K 120
18
NC
19
LR-592 L272
20
21
0.27U
22
C272
C284
23 0.1
C273
L271
24 0.1
C274
56P
NC
10
25
26 C275
0.1
27 C276
CLK
10
28
EP274
MMZ1005Y102CT
1
3
R294
5
4
IC274 47
2
SN65LVDS2DBV
12-3
PHONS
R234
100K
R221
10.0K
R224
10.0K
1
C205 PVDD
2
C1P
3
1 PGND
4
C1N
C216
1 C226
1
R227 CP203
PGND
10.0K SHORT
R230
10.0K
D241
L1SS400
L241 L242
33U 33U
R247
RUE002N02
15K
R261
2.7K
MP271
L275
100U
3818
C290
0.1
R282 C288 Q271
2SC3356G
10 0.1
R296
0
R222
10.0K
IC203
RPHO C234 EP201
12 LPHO PHRE 470 CE-LX EP202
OUTL
11 PHLE EP203
BIAS
10 RPHO LPHO C235 EP204
OUTR
9 470 CE-LX
SVDD2
MAX97220AETE+
R231
10.0K
CP202
SHORT
CP201
SHORT
Headphones connection 0 V
Other 3.3 V
C257
EP208
Q241
470 CE-LX MPZ2012S601A
EP209
Q242
TPCF8107
MPZ2012S601A
C262
10
R299
0
L276 L277
R291 R295
0.47U 0.47U 0 0
R298
0
J201
1 PHOR
MPZ1608S601A
2 PHGR
MPZ1608S601A
3 PHGL
MPZ1608S601A
4 PHOL
MPZ1608S601A
TO DISPLAY UNIT
PHONES
J241
[EXT-SP]
J242
2 INT-SP
1
J261
[AF/IF OUT]
J290
[10.7MHz OUT]
CP10S
CP282
[10M IN/OUT]
CP10S MP481
CP283
3768