Icom IC-F4261DT Service Manual page 37

• MAIN-A/B/C UNIT (3/4)
R272
3.30V
15
+5V
R274 3.30V
0
NFM18PC104R1C3 EP8
C334
MMZ1005S601CT
EP15
MMZ1005S601CT
EP14
MMZ1005S601CT
EP13
MMZ1005S601CT
EP12
MMZ1005S601CT
5.00V
3.30V
NFM18PC104R1C3
C335
+3.3V_A
Analog 0V
Digital 4.75V
Q44
R273
4 3
100
5 2
8
6 1 V+
GND
DMG564030 4
IC18
NJM2115V
IF-FILTER
FI5
LTUCG450G
R262
3.3k
+3.3V_A +3.3V_A
C345
2.00V
R278 100k
0.0012
IC18
R268 2 IC18
1
R275 R276 R277
3 7
100
20k 20k 20k
NJM2115V
NJM2115V
1.35V
AGND
DVDD_3.3V
BDX0
EMU0
EMU1
BFSR0
BFSX0
GPIO2
GPIO3
GPIO4
GPIO5
CIRQO
GPIO7
PDC
CCSI
DRESET
BDR1
BDX1 R286
BCLKX1
BFSX1 1k
COUT
IC19
1 5
2
3 4
TC7S04FU
IC21
5 1
2
4 3
TC7S04FU
IC20
1 5
2
CCSI
3 4
TC7S32FU
DVDD_3.3V
R289
R287 22
0.1
C349 4.7k
R280 R282
27k 5.6k
6
5
R293
C363
1
100
C359
Q45
2SC4617
1
R288 C364 R295
1 100
100
0.1 0.01
DSP
PDC
10k
R297
R298
10k
A/D BFSR0
R302
IC22 BDR0
1 6
VDD CS 1k
2 5
GND SDATA
3 4 BCLKR0
VIN SCLK
AD7476ARTZ
C377 R306 C385
LINEAR
1
2.2k 1
CODEC
R300
47k
IC23
1 16
VCOM OUTR
2 15
AINR AOUTL
3 14
AINL PWDAN
4 13
VSS PWADN
5 12
VDD SCLK
6 11
DEM0 MCLK
7 10
DEM1 LRCK
8 9
SDTO SDTI
AK4554VT
NFM18PC104R1C3
C500
EMU1
TMS
1
TRST
2
TDI
3
4
5
TDO
6
TCK
7
EMU0
8
9
10
11
BDX0
12
BFSX0
13
BCLKX0
14
15
BDR0
16
GPIO4
17
DRESET
18
GPIO10
19
GPIO09
20
DRESET
CS
SO
SCK
SI
GND
IC25
GPIO4 1 8
CS VCC
BDR0 2 7
D0(DQ1) NC(DQ3)
3 6
WP(DQ2) CLK
4 5
VSS DI(DQ0)
EN25Q40
BDX0
TSW
BCLKX0
10k
R329
IC28
1
CIN 2
3
4
HD74LV2GT125A
R326
100
+5V
IC26
R320
CCS 1 8
OE1 VCC
2 7
100 A1 OE2
3 6
B2 B1
4 5
DVDD_3.3V
GND A2
TC7WBD125AFK
COUT
CCSI
CCLK
IC27
1 8
OE1 VCC
2 7
A1 OE2
3 6
DRESET
B2 B1
4 5
GND A2
TC7WBD125AFK
R322 47
12.288MHz
C402
1.35Vp-p
R328 2.2k
DAFO
4
3
X5
4 3
VCC OUT
TSW 1 2
VCONT GND
Q46
CR-914
DRA9144E
GPIO2
GPIO3
BCLKX1
BFSX1
BDX1 CLOCK
*: Refer to the PARTS LIST for the value and name of component.
BDR1
31
HJ2
JTAG
BER
CP115 CP06S
CP111 CP06S
CP112 CP06S
CP113 CP06S
CP114 CP06S
CP128 CP06S
DSP FLASH
100
R335
CSI
GPIO5
8
7 CIRQO
6
5
47P
CIRQD
R333
CSO
100
R334
CCK
100
R336
DRES
100
47P
5P
5 IC29
C406
1
R339
0.1
0
2
NJM2711F