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SECTION 11
VOLTAGE DIAGRAM
11-1 MAIN UNIT
+3V
DATA
PLCK
TONESTB
DETOUT
PTT
TRESET
CPU3V
DS301
CL-200YG-C-TS
Q302
DTA114EU
R343
68
DS300
L2-0494TAY
21
S10
22
S11
23
S12
24
S13
25
S14
26
S15
TEST
27
P93/S16
DASTB
28
P92/S17
TRESET
29
P91/S18
DACK
30
P90/S19
EEPCK
31
P87/S20
EEPDA
32
P86/S21
DETOUT
33
P85/S22
TONESTB
34
P84/S23
SHIFT
35
P83/S24
PLSTB
36
P82/S25
PLCK
37
P81/S26
DATA
38
P80/S27
CPU3V
39
AVDD
40
AVREF
CP303
C400
C384
0.001
0.01
PTT
LAMPC
IC300
BR24C02FV-W
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
VSS
SDA
C304
0.1
R308
R307
47 k
10 k
CPU3V
+3V
C395
J300
0.001
AXK6S20545
S302
UNLK
+3V
1
20
PLCK
MTX-00 _ PSC
2
19
DATA
VCC
3
18
PLSTB
GND
4
17
DASTB
GND
5
16
DACK
MOD
6
15
GND
AF
7
14
SHIFT
R+3
8
13
T+3
SQLIN
9
12
T+3
SENS
10
11
C388
C387
0.001
0.001
CPU3V
X300
CR-465
R412
10 k
R414
R413
10 k
10 k
R304
1 M
C300
24 P
C301
R305
24 P
5.6 k
C383
0.1
80
MTX-I0
P40/KR0
79
MTX-I1
P41/KR1
78
P42/KR2
77
P43/KR3
76
MTX-00_PSC
P44/KR4
75
MTX-01_CSHIFT
P45/KR5
74
IC
73
XT1
72
XT2
71
VDD0
IC301
70
VSS0
UPD789407AGK-A81-9EU
69
X1
68
X2
67
RESET
66
CHGC
P46
65
TXV
P47
64
RMUT
P00
63
POWERC
P01
62
MICSW
P02
61
MMUT
P03
MICIN
AFON
BEEP
C385
R364
0.001
10 k
R415
NTCG16 4LH 473KT
C386
R416
0.001
100 k
C396
HV
0.001
R301
R300
R422
4.7 k
4.7 k
4.7 k
S303
[MODE]
[POWER]
S300
S301
[DOWN]
[UP]
[PTT]
CHGC
DATA
PLCK
TONESTB
DETOUT
PTT
TRESET
+3V
C303
EP300
0.01
C394
C390
R423
R334
0.001
1
15 k
1 M
25
COMPN
26
R338
R335
COMPP
C: 1.81
150 k
22 k
27
AVDD
28
TSBPFO
29
DREF
D313
30
MA2S111
TLINO
31
TLIN
C313
32
D310
RXTONE
100 P
MA2S111
33
TXTONE
C316
34
D314
DCSINO
R327
R333
MA2S111
0.22
35
5.6 k
DCSIN
270 k
36
TAGND
R430
C398
330 P
150 k
C: 1.57
R431
22 k
C320
C321
1
1
R332
C399
C397
0.1
220 k
0.0068
C: 1.55
R340
CP302
3.9 k
C326
R428
1
C314
680 k
0.1
W307
C325
R344
1
56 k
RMVT
POWERC
MICSW
MMUT
MOD
MIXIN
AFON
BEEP
R330
240 k
VIN
C311
R329
C317
0.1
120 k
0.1
IC302
R3112N281A
RESET
1
5
OUT
CD
2
VDD
R345
3
4
10 k
VSS
NC
R420
C312
R331
C323
2.2 M
C330
0.1
0.033
0.1
10 k
IC303
R1121N301B
C: 2.99
1
5
VOUT
NC
CPU3V
2
GND
3
4
VDD
CE
+
C315
22
C319
D301
0.1
MA2S111
R347
470
RXV
+3V
R409
R362
R360
R328
100 k
10 k
100 k
100 k
BP
C338
C328
470 P
100
Q304
R417
2SA1586 GR
47 k
C340
T: 3.01
1
R: 0.00
R418
T: 3.00
D302
4.7 k
R349
R: 0.00
MA2S111
1 k
TXV
Q318
R350
DTC114YU
C392
22 k
0.001
C393
0.001
R421
D317
10 k
MA2S111
R+3
R426
2.2 k
NOTES :
Voltage line
Common line
TX line
RX line
+3V
R419
100 k
Q309
DTC114TU
PTT
*: EXT-PTT
C389
T: 3.06
0.1
R: 0.00
C344
R373
82 k
0.047
C335
R357
220 P
56 k
12
R358
RXAF
11
56 k
RXAFIN
10
DEOUT
R365
9
NTCG16 3NH 221KT1
AVSS
8
MOD
7
C339
MODIN
R374
6
220 P
2.7 k
SPOUT
5
C402
AMPO
4
0.015
AMPN
R361
R432
3
47 k
AMPP
22 k
R366
2
R433
2.7 k
TXIN
1
27 k
TXINO
C401
0.0047
IC304
AK2342B
R381
C351
27 k
0.1
C346
R378
C337
100 P
330 k
0.22
C329
47 P
C334
R356
0.1
27 k
R346
R348
22 k
240 k
C336
R359
270 P
100 k
C332
0.001
R375
1.5 M
Q307
D318
2SA1362 GR
RB551V-30
VCC
C324
0.1
+
C352
C354
0.1
22
IC305
R368
R382
15 k
NJM2070M
3
2
1
C327
12 k
Q306
330 P
R424
1 1
8 8
2SC4116GR
47 k
2 2
7 7
Q303
3 3
6 6
UMZ2N
4
5
4
5
6
R383
+3V
120
+
T: 0.00
C343
C345
R376
3.3
470 P
+
C: 3.10
R: 2.73
1.2 k
C348
2.2
W300
3
2
1
R411
270
R410
100 k
+
+
+
R427
+
BT302
BT301
BT300
2.2 M
4
5
6
C331
C333
Q308
0.1
470 P
Q319
2SB798 DK
XP4601
Q305
2SC4116 GR
D303
MA2S111
R379
220
C341
R369
T: 3.71
C350
1
1.2 k
R: 0.00
0.1
CHG: 2.99
T+3
BP
11 - 1
C: COMMON
C: COMMON
EXT DC: Using external power supply
BP: Using the battery
T: TX
R: RX
CHG: While charging the battery
+3V
R399
R403
10
100
*: EXT-PTT
C375
C381
T: 2.30
470 P
470 P
R: 3.10
R386
Q310
100
DTA113ZU
C382
+
0.01
C355
C357
R400
C376
0.0047
470 P
4.7 k
10
R387
4.7 k
J303
EP308
HSJ1102-01-540
EP307
W301
C362
MIC
0.1
C349
EP306
0.001
C377
330 P
Q316
2SJ144 Y
C378
R404
0.1
33 k
R390
R401
100 k
100 k
R393
+
82
R396
C347
R377
C367
R406
R405
1 M
15 k
10
470 P
100
RV-244
T: 2.73
R: 0.00
C366
0.1
Q313
2SK1829
MC300
C372
0.1
R392
R384
C369
100 k
4.7 k
470 P
R402
3.3 k
C379
470 P
T: 2.72
R: 0.00
Q317
R388
C361
C380
DTC144EU
1 M
470 P
470 P
MMUT
R389
1 M
*: at INT-PTT
T: 2.99
RMUT
R: 0.00
MOD
MICIN
T: 0.00
EP305
R (BP): 4.50
R (EXT-DC): 5.73
C374
47 P
EXT.SP
T: 0.00
+
R: 1.91
C364
10
EP304
+
C358
C371
C368
J301
150
330 P
HSJ1493-01-010
330 P
R385
EP303
1
Q311
SP300
R391
2SC4213 B
C356
10 k
0.1
W302
EXT-DC: 5.73
BP: 4.50
SDRD-3650P-008
VCC
C365
Q315
0.1
C359
330 P
HAT1023R
8
1
D
S
D306
EXT-DC: 5.98
7
2
RB551V-30
D
S
6
3
D
S
J302
C360
5
4
D
G
D307
EP302
04-730A1-02BKA
0.001
MA2S728
R395
100 k
C373
DC IN
0.001
D305
SB07-03C
R397
C363
8.2
Q314
0.001
2SB1132 Q
EXT-DC: 0.32
R394
5.6 k
Q312
D308
MA133
DTC144EU
S305
[BP]
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