![background image](http://html.mh-extra.com/html/icom/ic-f4261ds/ic-f4261ds_service-manual_612583101.webp)
11 - 4
• MAIN-A/B/C UNIT (3/4)
*:
Refer to the PARTS LIST for the value and name of component.
1
C385
R320
100
0.001
C360
0.1
C373
47k
R312
10k
R318
0.01
C391
CP5
CP10S
R289
22
0.1
C370
0.001
C347
47k
R323
0.1
C382
R276
20k
R333
100
HD74LV2GT125A
IC28
1
2
3
4
5
6
7
8
10k
R329
47P
C405
0.1
C394
5P
C402
CP115
CP06S
3.3k
R262
270P
C344
MMZ1005S601CT
EP8
0.1
C401
R273
100
CP6
CP10S
0.1
C389
TC7S32FU
IC20
1
2
3
4
5
0.1
C406
47k
R315
47k
R284
TC7S04FU
IC21
1
2
3
4
5
1
C377
TC7S04FU
IC19
1
2
3
4
5
0.0012
C345
NJM2115V
IC18
6
5
7
R275
20k
0.001
C400
4.7
C350
100
R293
4.7
C351
47P
C396
1k
R302
0.1
C381
10
C342
0.01
C354
0.1
C399
0.1
C349
1k
R292
0.01
C348
1k
R286
0.01
C384
0.01
C368
47k
R285
R295
100
2SC4617
Q45
47k
R331
100
R304
R326
100
R334
100
10k
R298
47
R316
CP116
NJM2711F
IC29
1
2
3
4
5
HJ2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
4.7
C379
0.1
C388
0
R339
47k
R325
R319
4.7k
R280
27k
180k
R290
1
C358
10
C341
2.2k
R306
CP114
CP06S
47k
R324
0
R305
R313
4.7k
8.2k
R294
47P
C403
0.1
C353
47k
R311
1k
R291
8.2k
R296
0.01
C356
5.6k
R282
0.1
C407
0.001
C337
NJM2115V
IC18
V+
8
GND
4
R300
47k
10k
R279
CP06S
CP128
4.7
C362
0.1
C374
1
C355
4.7
C375
47P
C361
CP119
A13
TC7WBD125AFK
IC27
1
OE1
2
A1
3
B2
4
GND
5
A2
6
B1
7
OE2
8
VCC
47P
C390
R278 100k
CP113
CP06S
1
C363
47P
C392
0.047
C369
0.01
C372
TMS320VC5509AZHH
IC24
H11
A'[0]
L7
A0
M7
A1
K7
A2
K6
A3
P6
A4
M6
A5
L6
A6
N5
A7
L5
A8
P4
A9
N4
A10
L4
A11
P3
A12
N3
A13
K9
A14
M8
A15
P7
A16
P5
A17
K1
A18
H3
A19
G3
A20
F10
ADVDD
E12
ADVSS
D14
AIN0
D13
AIN1
D12
AIN2
E11
AIN3
C14
AVDD
B14
AVSS
C13
AVSS
G5
C0
G2
C1
G4
C2
H1
C3
H4
C4
H5
C5
J1
C6
J3
C7
J4
C8
K2
C9
M1
C10
K3
C11
L3
C12
M2
C13
L2
C14
F5
CLKOUT
B5
CLKR0
C6
CLKX0
A6
CVDD
B2
CVDD
B7
CVDD
B8
CVDD
C10
CVDD
G1
CVDD
J10
CVDD
J11
CVDD
J5
CVDD
L1
CVDD
L14
CVDD
M11
CVDD
M4
CVDD
N7
CVDD
N8
CVDD
L8
D0
K8
D1
P9
D2
M9
D3
L9
D4
P10
D5
M10
D6
P11
D7
N11
D8
L10
D9
P12
D10
N12
D11
M14
D12
L11
D13
L12
D14
L13
D15
D3
DN
D4
DP
D6
DR0
A4
DVDD
A8
DVDD
D9
DVDD
E3
DVDD
E6
DVDD
F13
DVDD
H10
DVDD
H2
DVDD
J2
DVDD
K10
DVDD
M12
DVDD
N13
DVDD
N6
DVDD
P13
DVDD
P14
DVDD
P8
DVDD
E7
DX0
K11
EMU0
K12
EMU1/OFF
A5
FSR0
B6
FSX0
F3
GPIO0
E1
GPIO1
E2
GPIO2
B3
GPIO3
A3
GPIO4
D5
GPIO5
C4
GPIO6
D1
GPIO7
G14
INT0
G13
INT1
G10
INT2
F14
INT3
F12
INT4
C3
NC
E10
NC
C1
PU
C12
RCVDD
A13
RDVDD
A14
RDVDD
B13
RDVDD
H12
RESET
A12
RTCINX1
B12
RTCINX2
D7
S10
D8
S11
A7
S12
E9
S13
C8
S14
E8
S15
A9
S20
A10
S21
C9
S22
A11
S23
B10
S24
D10
S25
H14
SCL
H13
SDA
J13
TCK
K14
TDI
K13
TDO
B4
TIN/TOUT0
J14
TMS
J12
TRST
G11
USBPLLVDD
G12
USBPLLVSS
D2
USBVDD
A2
VSS
B1
VSS
B11
VSS
B9
VSS
C11
VSS
C2
VSS
C5
VSS
C7
VSS
D11
VSS
E13
VSS
E4
VSS
E5
VSS
F11
VSS
F4
VSS
K4
VSS
K5
VSS
M13
VSS
M3
VSS
M5
VSS
N1
VSS
N10
VSS
N14
VSS
N2
VSS
N9
VSS
P1
VSS
P2
VSS
F1
X1
F2
X2/CLKIN
E14
XF
4.7
C329
47P
C404
1
C364
AD7476ARTZ
IC22
1
VDD
2
GND
3
VIN
4
SCLK
5
SDATA
6
CS
0.1
C357
AK4554VT
IC23
1
VCOM
2
AINR
3
AINL
4
VSS
5
VDD
6
DEM0
7
DEM1
8
SDTO
9
SDTI
10
LRCK
11
MCLK
12
SCLK
13
PWADN
14
PWDAN
15
AOUTL
16
OUTR
47k
R314
47P
C393
1
C366
0.1
C376
2.2k
R328
NJM2115V
IC18
2
3
1
100k
R317
4.7k
R287
R322
47
47k
R338
47P
C378
0.1
C365
MMZ1005S601CT
EP9
5.6k
R264
CP112
CP06S
100
R327
0.1
C340
47k
R337
10P
C395
1.5k
R261
0.01
C352
20k
R277
TC7S66FU
IC17
1
2
34
5
100
R336
0
R303
TC7WBD125AFK
IC26
1
OE1
2
A1
3
B2
4
GND
5
A2
6
B1
7
OE2
8
VCC
0.1
C339
22P
C398
10k
R297
R288
100
0
R274
0.1
C327
47k
R283
0.1
C346
R335
100
R268
100
47k
R332
R310
4.7k
CP111
CP06S
47P
C380
47k
R330
1k
R309
DRA9144E
Q46
DMG564030
Q44
1
2
3
4
5
6
DB2S31400
D29
DB2S31400
D30
DB2S31400
D31
DB2S31400
D32
DB2S31400
D28
1
C359
CR-914
X5
1
VCONT
2
GND
3
OUT
4
VCC
NFM18PC104R1C3
C335
NFM18PC104R1C3
C334
0.001
C383
47P
C386
R308
100
0.047
C367
MMZ1005S601CT
EP12
MMZ1005S601CT
EP13
MMZ1005S601CT
EP14
MMZ1005S601CT
EP15
0.01
C332
LTUCG450G
FI5
0
R422
0
R421
NFM18PC104R1C3
C500
22
C397
15
R272
EN25Q40
IC25
1
CS
2
D0(DQ1)
3
WP(DQ2)
4
VSS
5
DI(DQ0)
6
CLK
7
NC(DQ3)
8
VCC
27k
R281
TMS
GPIO4
BDR0
EMU1
BDR0
GPIO4
TRST
TMS
TDO
TDI
TDO
TCK
TCK
BDR0
BDX0
BFSX0
GPIO4
CIRQO
GPIO7
DRESET
BDR1
BDX1
COUT
EMU0
EMU1
TRST
TDI
BFSX1
CCSI
CCLK
GPIO5
GPIO10
GPIO09
CIN
CCSI
CCSI
CCLK
DRESET
BCLKR0
BCLKX1
TSW
BFSR0
BDR0
BCLKX0
TSW
CCS
CSO
CCK
DRES
BFSR0
GPIO3
GPIO2
GPIO7
CSI
CIRQO
GPIO5
CIRQD
COUT
DVDD_3.3V
DVDD_3.3V
DVDD_3.3V
DVDD_3.3V
DVDD_3.3V
BFSX0
BCLKX0
BDX0
EMU0
BDX0
GPIO2
GPIO3
BCLKX1
BFSX1
BDX1
BDR1
DAFO
DMO
DISC
DMI
+3.3V_A
+3.3V_A
+3.3V_A
+3.3V_A
+3.3V_A
VREF
CVDD_1.35V
CVDD_1.35V
DRESET
DIF
PDC
PDC
DPDN
BCLKR0
AGND
AGND
+5V
+5V
BCLKX0
3.3V_VDD
DSP
CLOCK
JTAG
BER
DSP FLASH
A/D
LINEAR
CODEC
IF-FILTER
DRESET
CS
SO
SCK
SI
GND
12.288MHz
1.35Vp-p
5.00V
3.30V
3.30V
3.30V
1.35V
2.00V
Analog 0V
Digital 4.75V