Voltage Diagram - Icom IC-2200H Service Manual

14-4 VOLGTAGE DIAGRAM
3.3V
3.3V
IC1
S-812C33AMC-C2N-T2
3 4
VOUT NC
2
VIN
1 5
GND NC
R400
100k
PSAVE ON: L(0.0V)
Q401
PSAVE OFF: H(3.3V) Q400
R401
DTC144EU
5.6k 2SA1586
3.2V PSAVE OFF: L(0.0V)
PSAVE ON: H(3.3V)
PSAVE
VCC_8V
Q50 L50
2SA1586 1
Q51
R60
DTC144EU
10k
PSAVE OFF: L(0.0V)
PSAVE ON: H(5.0V)
C50 R51
0.1 1k
DAFOUT
AGND
R58 R52
0 100
ADIN
CP50
ADREF
L151
1
X101
CR-708
R101 R102
1M 100
IC101
TC7SHU04FU
1 5
2
R103
1k
3 4
4.7V
R56
100
ADIN
C53 R54
0.1 47k
AMODIN
R53
47k
ADREF
-
+
+
-
C253
R260
R256
100k
R258
100k
VCC_8V
5V
3.3V
APWR
IC2
4.0-8.5V 3.2V
R1111N321B
1 5
VDD VOUT
2
GND
3 4
CE NC
AEPR
APWR
PSAVE
26
GND
SCLK 27
CODEC_RX_CLK
28
CHAN_RX_CLK
5.0V SEN 29
CODEC_RX_STRB
30
CHAN_RX_STRB
SO 31
CODEC_RX_DATA
ATXD 32
CHAN_RX_DATA
33
CODEC_TX_CLK
ACLK 34
CHAN_TX_CLK
35
GND
36
VDD
37
CODEC_TX_STRB
ASTB 38
IC50
CHAN_TX_STRB
R57
AD73311ARS
39
47k VDD
1 20 40
VOUTP SE GND
2 19 SI 41
VOUTN SDI CODEC_TX_DATA
3 18 ARXD 42
AVDD1 SDIFS CHAN_TX_DATA
4 17 43
AGND1 SDOFS NC
5 16 44
VINP SDO VDD
6 15 45
VINN MCLK VDD
7 14 46
REFOUT SCLK VDD
8 13 ARES 47
REFCAP RESET VDD
9 12 48
AVDD2 DVDD VDD
10 11 49
AGND2 DGND VDD
50
GND
3.2V
3.2V
IC103
TC7S04FU
1 5
PSAVE
2 CP101
3 4
CP254
CP256
CP255
Q251
DTC144EU
ACQ
MCLK
3.25V
IC252
CMX589AD5 R267
100k
1 24
XTAL VDD
2 23
XTAL/CLK_RX S/N
3 22 TXCK
CLKDIVA TXC
4 21 RXCK
CLKDIVB RXC
5 20
RXDT
RX_HOLD RXD
6 19 TXDT
RXDCACQ TXD
7 18 R264
PLLACQ TXP
R262
8 17 100k
RX_PSAVE TXE 22k
22p 9 16
VBIAS TXO
100k 10 15
RXFB BT
11 14
RX_SIG_IN DOC1
12 13
VSS DOC2
R268
390k
VCC_8V
5V
L201
1
3.3V
APWR
PSAVE ON: L(0.0V)
PSAVE OFF: H(3.3V)
100
NC
99
NC
98
NC
97
NC
96
NC
95 P86
NC
94 P87
NC
93 TXD
NC
92
NC
91
NC
R201
90
VDD 1k
89 P85
GND
88
IC151
GND
AMBE-2020
87
VDD
86 NMI
VAD_EN
85
Q201
CODEC_SEL1
84 DTC144EU
CODEC_SLE0
83 FLASH
SLEEP_EN
82
SLIP_EN
81
BAUD_SEL1
80 F_RXD
BAUD_SEL0
79
SOFT_EN
78
NC 3.3V
77
CHANN_SEL1
76
VDD
IC202
TC7SH08FU
5
RXD 4
D151
MA2S728
Q202
DTC144EU
RMUTE
DCEL
3.25V
C260
TX: 350mVp-p
1
Q305
XP4312
CP252
1
-
+ 2
+ 3
-
CP251
TX: 350mVp-p
R269 C262
33k 1
3.3V
3.25V
IC254
TC4S66F
1 5
Q252
2
DTC144EU
Explanatory notes
3 4 DCEL
VOLTAGE LINE
TX LINE
RX LINE
VCC_8V
5V
3.3V
IC203
X201
S-80928CNMC
CR-760
(9.8304 MHz) RES 1
2
3
R209
1k
R220 0
APWR
R221 0
17 64
P36 PB5/AN5
18 63
P37 PB4/AN4
19 62
P52/WKP2 PB0/AN0
20 61
P53/WKP3 PB1/AN1
21 60
P54/WKP4 PB2/AN2
22 59
P55/WKP5/ADTRG PB3/AN3
23 58
P10/TMOW P30
24 57
P11/PWM IC204 P31
25 56
P12 HD64F3687 P32
26 55
P56/SDA P33
27 54
P57/SCL P17/IRQ3/TRGV
ACQ 28 53
P74/TMRIV P16/IRQ2
29 52
P75/TMCIV P15/IRQ1/TMIB1
30 51
P76/TMOV P14/IRQ0
31 50
P24 P72/TXD_2
32 49
P63/FTIOD0 P71/RXD_2
1
2
3
CP216
P01
DCEL PTTOUT_C
Q306
XP4312
6 TXD_2_C 1 6
5 TXD_2 2 5
4 RXD_2 3 4
BUSY: H(3.3V)
Q302
DTC144EU
BUSY
L351
3.3V
1
3.3V
RX: L(0.0V)
TX: H(3.3V)
Q303
DTC144EU
IC351
MAX3226EAE
1 16
READY FORCEOFF
C351 0.22 2 15
C1+ VCC
C352 0.22 3 14 Q301
V+ GND
4 13 DTC144EU
C1- T1OUT
C353 0.22 5 12 PTTIN
C2+ FORCEON
6 11
C2- T1IN
C354 0.22 7 10
V- INVALID
8 9
R1IN R1OUT
RX: L(0.0V)
TX: H(3.3V)
VCC_8V
5V
14 - 3
5
OUT CD
VDD
4
VSS NC
P01
PTTIN
BUSY
PSAVE
TXDT
RXDT
RXCK
TXCK
TXD_2
RXD_2
D152
J301
MA2S111
TXD_2_C
P01
RXD_2_C
GND
FLASH R316 100 FLASH
GND
CCS
REFMOD REFMOD
DAFOUT DAFOUT
FMDET FMDET to the IC-2200H
LOGIC unit JJ4
RMUTE RMUTE
RES R315 100 RES
232_RX 232_RX
BUSY_C
232_TX 232_TX
F_RXD R317 100 F_RXD
TXD R318 100 TXD
AMODIN AMODIN
VCC_8V
DMOD DMOD
5V
PTTOUT
AGND AGND
PTTIN_C
VCC_8V
5V
4.5-8.5V 5.0V