Voltage Diagram - Icom IC-F4TR Service Manual

SECTION 11

VOLTAGE DIAGRAM

VCC
C556 C558 C553 T5
C627
47p 47p 47p S5V
47p C555 C557 C554 C552
DETIN 47p 47p 47p 47p 5V
R5
J5
CTCSS
30 EXTDC EXTDC CPU5
1
CTCSS CTCSS
29 CLR/CODE CLR/CODE
2
PTTOUT PTTOUT
28 OPTB OPTB
3
PTTIN PTTIN
Q20 – Q22
27 XTXD XTXD 2SA1362 GR
4
MICOUT MICOUT S5V 5.06V
26 XRXD XRXD R5 Q18
5
MICIN MICIN R: 0V 2SB1132 R
T5 R: 5.04V
RES 5V T: 5.02V
25 RES T: 0V
6
DETOUT DETOUT
5.04V
24 MD1 MD1 Q22 Q21 Q20
7 R135
DETIN DETIN 10k
VCOSW VCOSW
8 23
VCC VCC
R444 R443
22 T5 T5
9 10k 10k
FL W16 FL Q19
5V 5V R442 6 5 4 XP6501 AB
21
10 10k
SN RX SN RX
20 AFMT AFMT
11 R141 R139 R137 5.01V
PT PT 4.7k 4.7k 4.7k IC6
19 GND S-81250SGUP-DQD
12
SN TR SN TR R133
1 2 3
C175 C176 C177 C174 1k
18 GND 22 22 2.2 22
13 C162 C161 C160 O I
TXDATA TXDATA 0.01 0.01 0.01
17 GND DTMF G
14
RXOUT RXOUT
C156
16 DTMF DTMF 0.001
15
RXIN RXIN
R134 C159 C158 C157
VCOSW
2.2k 4.7 47 0.001
C593 C636 C591 C592
47p 47p 47p 47p
PTTIN
R131
470
Q17
UN911H
W1
C154
IC16
4.7
TC4W53FU
W/N
IC15
R578 PCD3312CT
R130 C191 C147 4 3 2 1 18k 1
8
100k 0.1 330p SDA VSS
5V 7 2
SCL VDD
6 3
C594 MMUTE A0 OSCI
5 4
0.1 TONE OSCO
MC1
KUC3523-040245 4 5
MIC 5 6 7 8
2 1
MIC
C609 DETIN C520 R509
C163 R144 3 C518
0.1 0.1 39k
330p 33k 0.01
IC21
TC7S66FU
PTT S1
JPM1990-2013R
C508
0.01
DTMFSO
R585
22k
P1 J6 DTMFCK
IC13
+ 2 SPG R594 R593 R514
1 100k 33k 18k TC4W53FU
1
– 2 1 8 5V
R600 2 7
SP1 10k
K036NA500-26A27
3 6
Q426 4 5
C164
330p HVD 2SK1069 4 S5V
R2
100
R1 J7
RV-312 5 VCC
4
3 VLOUT C507
0.01 R516 R569 R591
2 VLIN 100k 100 12k
HV X4
1
PBRC 3.58 A
R3
C1 2.2k
47p F1
C171 C172 C173
C640
330p 0.001 330p 47 C511
C3 C4 C2
47p 0.01
47p 330p
D25
IC12A
SB07-03C
NJM2902V
VR UNIT
Q27
R156 C500 C503
2SB1132 R 0.01 4 0.1
R132 15
2
J2 470 –
OPT 5V R470 1
R157 100k 3
EXT.MIC 15 + R471 R472
MIC C166
330p 47k 47k
L412 C662
C165 100p 11 R474
L414 1µH C200 C202
0.22µH 330p 5V 330p 330p 330k
R174 C505
AFOUT D27 0.0033
J3 15k C501
DA204U
SP D24 0.01
EXT.SP DA204U
CLONE C502
C201 R158 0.0022
330p 10K
Q31
C167 C168 C169
47p 330p 330p DTC144TU
MAIN UNIT
J4
CHARGE
C170
330p
MIC1
VLOUT
VLIN
SPG
AFOUT
11 - 1
FRQCON MODCON
VCC
L409
4.7µH
CPU5
C634
330p
C447 C648 C197
R182
100 47 330p
47k
5V
R598
47k IC10
R181 C232
C615 M62354GP
47p 100k 0.1
1 16
DO VCC
R599 2 15
LD VDD
47k
3 14
R154 CLK AO6
4 13
18K DI AO5
5 12
AO1 AO4
6 11
AO2 AO3 R525
7 10 R215
R153 330k 1k
NC NC BATIN
1K 8 9
GND VSS
C655 R519
0.001
R216 C231 100k
C237 150k 0.1
0.01
R103 C570 R561
12k
C242 47p 1k
C240 C238 C195 9.8304 MHZ
0.01 0.01 33p
0.01 XIN R531
C244 C239 C567 C568 C630
C155 C241 C653 0.01 0.01 47p 47p 47p 1k
10 10 330p W14
D409 XOUT XOUT
MA77
X2 R526
CR-567 150
C571 C572
C193 C194
47p 47p
7p 22p
R482 C196
R520 12k 0.01
100k
CSHIFT
R214 C573 C637
IC7 X25128 3 4 4.95V
12k 0.01 47p
1 16 IC11
CS VCC
2 15 S-80842ALNP-EA6 RES
SO HOLD
3 14 R149 Q417
NC NC
4 13 10k C560 DTC144EU R517
47p 100k
NC NC 12
5 RES 1
NC NC Q23 RES
6 11 XIN 2
NC NC 2SC4081 R XTAL
7 10 XOUT 3
WP SCK 2 1 EXTAL
8 9 MD1 4
VSS SI
FWE
MD1 5
C230 R148 CP9 MD1
0.47 100k 6
NMI MD0
R538 NMI 7
R146 R147 C562 100k NMI
8
4.96V 100k 220k 47p STBY
C561 9
47p
VCC
CSHIFT 10 IC17
KIN15/CIN15/A23
C589 D15 C144 MODEL 11 HD64F2144FA20
MA2S111 0.001 KIN14/CIN14/A22
0.1 12
W10 R505 SCK0/P52
RXD 1k RXD 13
RXD0/P51
TXD TXD 14
TXD0/P50
DTMFSO 15
VSS
DTMFCK DTMFSO 16
WAIT/P97
EXTDC 17
C659 EXCL/P96
0.1 18
R498 DTMFCK
W13 C514 IOS/AS/P95
12k HVD DAST 19
47p HWR/P94
20
KIN13/CIN13/A21
21
C515 C516 C517 KIN12/CIN12/A20
C463 47p 47p 47p 22
IC24 LC7382M
0.01 DAST RD/P93
R500 23
1 14 IRQ0/P92
INPUT VDD 47k SAUD R537 24
2 13 IRQ1/P91
NC NC 1k 25
3 12
PD EST ADTRG/IRQ2/LWR
4 11
OSCO STD
5 10
OSCI ACK EXTDC
6 9
NC SD
7 8 DTSTD DTSTD
VSS LOADB
DTACK DTACK
DTPD DTPD
DTSD DTSD
R548
100k
IC12C
IC12B NJM2902V
NJM2902V 10 R473
+
8 100k C563 C666 SN RX
IC12D 0.1
0.1
9 NJM2902V R527
– 12 1k
5 R480 TXDATA
+ +
7 R481 330k 14 RXDATA RXDATA
6 100k 13 BWC
– –
D407 D408 TEST
MA2S111 MA2S111
KEYR3
KEYR2
C504 NOISE
BWC 4.7 MMUTE
C550 C549 C548 C547 C602 C631 C544 C543 R528
47p 47p 47p 47p 47p 47p 47p 47p 1k
Q405
TDET TDET
DTC144EU
C639
47p
NOISE
NOISE
ISENS
VCC
T5
S5V
5V
R587 R573
HVD 22k 100 C595
T5 0.01
HVD
DS1 LM-1761B
R521 C565 C513
C566 22k 0.1 47 R571 R572
0.1 4.7k 22k
SPLTOUT 1 5
+
4
DS2 FRQCON 3
–
LNJ310M6URA
R581 R522 C523 R558 2
39k 27k 47p 390k
DS3
LNJ310M6URA C71
IC22
R523 C524 330p R574
Q25 27k 0.1 LVIN TC75S51F 220k
2SC2712 Y
BKLED
15.6 MHZ
R524 C525
27k 0.1
PLLSK
R504 R205 R155
3.3k PLLSO
1.5k 100
PLLST
R619 R613
470k 47k S26 ULOCK
C546 S25
47p R42
1k
C545
R530
1k 47p
C617
C613 C612 C611 C610 C59 C58 C57 C56
R532 470p 47p 47p 47p 47p 47p 47p 47p 47p
R536 C574 1k
37 S24 24 S24
1k 470p COM3
KEYS0 38 23 S23
COM4 S23
KEYS1 39 22 S22
VDD S22 L14
KEYS2 DCONT 40 21 S21
VLCD S21 15nH R41
KEYS3 41 20 S20 R46
S20 56 4.7
VLCD1 IC18
KEYS4 42 S19 19 S19
VLCD2 LC75834W
KEYS5 43 18 S18
VSS S18
C576 C575 C629 MSCK 44 17 S17
47p 47p 47p R503 OSC S17
100k 45 16 S16
INH S16
C62 C61 C60
46 S15 15 S15
CE VCOSW 6p 6p 330p
MSCK 47 14 S14
CL S14
MSO 48 13 S13
DI S13 MODCON
MSO W17 5V
R5
MSO1
S5V
C542 FI2
R534 47p PBFC450P15D
C538
1k
680p 2 1
3
75 D411
P14/A4 FI3
74 DAN202U
P15/A5 C534 C539 PBFC450P9D
73 47p 47p
P16/A6 R533 R547
72 1k 2 1
56k
P17/A7
71
VSS 3
70 C223
VSS C551
69 R529 0.01
PB4/D4 1k 47p
68 DISEN W/N
PB5/D5
67 R483 R486 R484
DISST
P20/A8 15k 12k 22k
66 PT
P21/A9
65
P22/A10 R535
64 1k PLLSK
P23/A11 R441
63 PLLSO S100 S101 S102 S103 C577
C224 4.7k
P24/A12 PLLST 0.01 0.1
62 =
P25/A13 V
61 R90
P26/A14
60 KEYS5 W/N 1.5k
P27/A15
59
VCC R575
58 S104 S105 S106 S107 Q407
1k C123
PB6/D6 DTA144EU 0.001
57 C180
PB7/D7 47p
56 C535 C536 C537
P47/PWX1
55 47p 47p 47p KEYS4
P46/PWX0 R92
54
50k
P45/TMRI1 S108 S109 S110 S111
53
P44/TMO1
52 C181
P43/TMCI1 47p
51 R540
P42/TMRIO/SCK2 DETIN
1k KEYS3
VCC
ULOCK ULOCK
5V
VCOSW S112 S113 S114 S115
R5
DUSE DETIN
C182
S5V
TMUT 47p DETOUT
KEYS2
MICOUT
C533
C530 S116 S117 S118 S119
47p 47p
C183 MICIN
47p
R562 KEYS1 R468
100k
C531 C532 220k
47p 47p 5
R559 R560 C210 C495 1
1k 100k S120 S121 S122 S123 +
R539 0.1 0.0047
1k C184
3
MSCK 47p –
KEYS0 2
T5C C493 C494
BEEP 0.0047 0.0047
C585 R5C
47p
C185 C186 C187 C189 C190 W2
C628 47p 0.001 0.001 0.001 0.001
R579
47p R467 R466
1k C564 C526 C529 47k 4.7
0.1 47p 47p
TMUT
C586
C632
C647 47p 47p VCOSW C209 R586
C527 C528 0.1
330p 22k
47p 47p Q422
R545
DTC144EU
560
TXLED S5V
DS4
R98 C212 R125
LNJ808R8ERA 330k 0.1 27k
MIC1
Q404 2SC4116 BL L417 4.17V
47µH
C234
R185 330p
C604 R582
1k D405
1.50V 330p 100 R184 R450 R411
X1 HSU88 2.2k 2.7k R412 4.15V
LV 10k
CR-667 4.7
CP14
1 4
VCON VCC C456 C491 R410 R413
Q34 10 1 3.3k
4.7
2 3 2SK880 Y C415 C416 VCC
GND OUT R: 2.41V
T: 2.43V 0.01 330p T5
C412
C413 Q8 FIL5V
C603 4p 6p
C410 2SC4266 R25
0.1 8p R: 1.71V 2.27V
C432 C233 R186 T: 1.83V
L12
C590 C63 R563 0.001 330p 47k 4.7µH C417
0.01 10p 10k C414 0.5p
L11* 7p L404
1.5µH R414
D5 470
C605
0.1 HVU350 L11
MC152-E558ANA-100051=P3 R: 2.23V
T: 2.21V
R409
C55 R417 R: 2.10V
L419 10
330p 1.5µH R496 R416 Q7 3.3k T: 2.04V
IC1 SA7025DK-T 3.3k R23 R21 R19
2k 2SC4266 R: 0.76V
C424 C426 4.17V 220 220 100
R25 T: 0.63V
1 20 330p 0.001
CLOCK VDD R: 0.76V
2 19 C600 C421 R419 T: 0.75V
3 DATA TEST 18 R495 R494 0.047 6p 4.7 R460
C33 R22 R18
4 STROBE LOCK 10 3.9k C418 330p 68k 220 L9 47k
17 9p C419 27nH
5 VSS RF 0.75p C422
16 R415 R20 R: 3.19V
6 RFIN RN 10 L407 5p C427 Q402 C32
15 0.5p 330p 68k T: 3.15V
RFIN VDDA 4.7µH XP1214
7 14
C601 VCCP PHP
0.01 8 13 R: 1.64V Q401
REFIN PHI C28
9 12 C48 C47 L405 T: 1.41V XP1214
RA VSSA D403 D404 C31 C30 12p
10 11 0.33 100p MC152- C423
AUXIN PHA HVU350 1T365 E558ANA- 5p 5p 12p
L406 4 3 5 1
R492 C598 100050
R493 C475 1.5µH
20k 330p 12k
1.5p 2 2
R40 L13 R420
C52 R44 390 R465
680k 1µH 0.01 1.2k C54 5 1 4 3 R: 0.76V 22
0.1 R497
2k R422 C42 T: 0.63V
C65 L403 220k 330p Q6 Q5 Q4
4p C596 C597
1.5µH 2SC5107 O 2SC5107 O 2SC5107 O
0.1 330p
C51
R491
10p
2k R208 R209 C211
L25 C67
0.82µH 100k 100k 4.7
Q11 3p
C66 C53 C473 R421
2SC4081 R 4p 5p
330P 10k
C476 C229
47p 0.1 C99
330p
R5
S5V
R85 C50 R84
330p R448 C455
1.5k 47
R455 12 10p
R408
R: 2.98V C460 100k C110
D410 1k R77
T: 0V 330p 100 330p
DAN202U R447 R449
R: 4.87V R119
C509 T: 0V R82 X3 470 470
C117 2.2k CDBCA450CX24 10k
0.01 10 R464
R590 IC2 TA31136FN(D) C115 C106
C608 3.9k 10p
4.7 100p C408 2.2 R439 R565
1 16 10k 4.7
330p L21
OSCIN MIXIN L22 L20
R487 2 15 C108 47nH
OSCOUT GND 1.8µH 0.01 0.82µH
15k 3 14
MIXOUT N-REC C116
R485 4 13 68p C98
VCC N-DET C107 Q13 C94
2.7k 5 12 D402 R407 FI1 22p
R88 C121 IFIN RSSI R406 330p 3SK241 R 0.5p
330k 470p 6 11 1SS375 120k FL-296
DEC IFOUT 270 R: 4.65V
7 10 T: 0V
FILOUT QUAD
8 9 D12 D11
FILIN AFOUT C109 0V HVU350
Q400 HVU350
R86 R83 8p L19
100k 2SC4215 O
4.7 8.8nH
R614 C118 C522 C450
330p 0.001 C112 C96
10k C606 4p 7p
0.001 47p
Q415 R66 R64
C122 C120 DTC144EU R512 150k 220k
470p 0.1 C114 C113
1.8k C104 C105 R75 R70 R72 C643 C97 R67 R65
0.001 0.001 C645 R469 C451 0.047 330p 270 4.7k 47k 0.75p 4p
+ 10k 10k
R89 R87 C521 4.7 2.7k 15p
R: 1.03V
10k 820 330p R424
T: 0V C93
10k C95
C633 C619 R: 2.47V 330p 330p
47p T: 1.64V
47p T4
L418 1.5µH DETIN
VCC
5V
S5V
L422
1.5µH R566 C497
C217 C124 47p R167 C644
27 C510 R552 R459 91p
0.047 0.047 0.1 2.2k 22k W12 C131 100k L424 R564
R557
0.01 1.5µH 22k 390k
C622 C614
C474 C626
47p 470p R176 R95
6 0.1 47p
3.9k 2.2k 4 C583 C584 + IC4 BU4066BCFV C506
2 7
R452 + 0.047 0.047 0.01
C132 IC3C C126 1 5 1 14 C499
0.1 4.7 – 47p
4 10 NJM2902V 0.047 3 2 I/O VDD 13 IC20
+ – IC3A IC3B
8 R555 R589 R453 O/I CONT.A TA75S01F
NJM2902V NJM2902V 3 12 5
IC25 11 47k 100k 330k O/I CONT.D 1
9 4 11 +
TA75S01F – I/O I/O
C625 R94 5 10
CONT.B O/I
R104 47p C134 39k Q420 6 9 3 –
R616 R617 R592 CONT.C O/I
100k 220p R584 2SK1069 4 47k 12k 56k 7 8
C464 VEE I/O 2
R601 R105 10k R551 47p R107
100k 220 C616 220k
91k
R553 470p
100k
R108
C128 L423 R556
180k R109 R618 1 R112
C133 1k 10k 100k 1.5µH 4.7
R615
0.1
5.6k
Q425
2SK1069 4
C665 R595
0.1
C148 R508 C519 100k
0.1 47k 0.1
C635 C477
330p 47p
VLOUT
VLIN
SPG
AFOUT
ISENS
FI4
NFM60R20T152 R161
0.15
C496
C481 330p
330p
C21 C20 L3 L2 L1
22 330p
Y655LY-04K Y655LY-04K Y655LY-03K=P3 ANT.
Q419 C8
R162 R3 C623
C654 R445 R13 XP4601 1k 330p
330p 220 10 1k Q28 Q9 330p
R612
2SC4081 R XP6401
330
C4
C471 C479 C468 C436
4 5 6 3 2 1 0.5p
330p 47p 1 330p
L27 L26 R160
EXCCL3225U EXCCL3225U
180
C9 C7 C5 C3 R1
R15 330p
C472 C470 3p 5p 8p 82k
10k
0.1 47p R163
R: 3.44V 3 2 1 33k 4 5 6
T: 3.40V
L411 C19 C469 C16 C14 C12 C652 C204
C581 330p 47p 330p 0.01 330p 0.001 330p
27nH L24 C206
C483 C26 C487 330p
330p 330p L6 L5 0.82µH 0.3p
47p C624 C10 R2
LQW1608A18NG00 LA-515
47p 330p 10k C205 D1
L8 L7 18p MA77
C24 22nH C15 W6
27nH Q2 L426
R14 R446 330p R12 27p
C458 2SK2596 8.2nH
100 56k 22k
330p L425 R610
C27 D3 R: 0V 8.2nH 3.3k
T: 4.72V L427 D2
5p MA77 C22 R: 0V
R7 C657 12nH HSM88AS R164
3.5p T: 1.07V L428 Q1 2.7k
R549 R9 100 4p R456
C452 C25 47k 8.2k 1.5nH 2SK2595 1.5k
R: 0V
3p 10p
D4 T: 1.47V
R: 0V
MA77 T: 0.72V R: 0V R: 0V
C580 R611 C11
T: 3.28V T: 0.55V R8 R457
330p 47k 8.2k 8p
12k
C207 R165 C208
Q403 Q3
C658 C467 330p 1.8k 330p
R17 2SC5107 O 2SC3585 R44 C17 C668 C667 C13 R458
C486 3p 10p
4.7k 5p 330p 47p 47p 330p 27k
R68
10k
C18
R69 330p
R609
1k 3.3k
R: 5.03V
C618 T: 0V
330p S5V
R602 R607
L410 15k 4.7 Q37
1µH
Q427 C73 R210 DTA144EU
C405 R605
4p 2SK1829 0.047 2.2k
180k
C651
R52
C449 C90 L18 0.47 100k
47p 330p 8.8nH R604
R606 470k
C403 C404
4.7 R603
47p 330p
1.8k D413 IC19
R403
R: 4.99V 4.7 MA2S111 TA75S01F R53
T: 0V
10k
R608 *L401, *L15 2 – 3
100k
LQW1608A15NG00 4
C89 C406 C79 C459 C400 C401
3p 10p 47p *L401 *L15 1
0.5p 8p 4p W15 R568 5 +
100 R54
150k
C642 Q12 C402 R438 C243 C466
C641 D10 L400 47p 330p
C91 0.5p L402 0.3p 3SK293 8p 47nH 330k C75
5p 8.8nH HVU350 D8 D406 0.01
L17 C448 C76
8.8nH C77 MA77 MA77 12p 6p
C83 C86
C92 0.5p 3p 3p
C85
8p C179 C129 C130
6p 0.01 4.7 330p
R404
220k R62
220k
R: 2.72V D400 C78
D401 C87 C88 R59 R400
T: 1.00V HVU350 47p 330p 100 100k 1SS375 6p
R: 2.17V
T: 1.00V R: 1.10V R: 2.51V HIGH POWER: 1.12V
R405 C407 T: 0V T: 0V R: 2.25V R63 C84 LOW POWER : 0.46V
10k 330p
10k 330p T: 1.00V
8.47V (AFON)
T3 T2 T1
TMUT TMUT
T4
IC5 TA7368F
1
Q15 10
2 NC POUT
2SB1132 R 9
VCC PWGND L415
3 8 EXCCL3225U
Q16 NC PREGND
R596 R99 R178 4 7
100 15k 3.9k 6 5 4 XP6501 AB VIN PHASE
5 6
R567 RIPPLE NF
100
R122 R127 R128
C135
2k 10 10
0.027 C646
R100 R120
0.1 1.8k 68k
IC23 5 1
+ 1 2 3
TA75S01F 4
R97 IC3D 3 R126 C149 R124 C150 C151 C152 C153
–
33k NJM2902V 2.2k 0.018 2.7k 10 47p 0.047 100
2 C656 R451 C139 R121 C140 R123
13 R117
330p 1M 0.1 1k 0.1 2.2k
R114 R550 – 14 1.8k
4 33k 68k
12
+
D412
DAN222 C145 C146
1.83V 10 0.001
C136 C582 R116 C137
0.0027 33p 1k 0.033
C638
47p
R597
4.7k
C607
47p
VLOUT
SPG
AFOUT