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SECTION 11
VOLTAGE DIAGRAM
11-1 MAIN UNIT
+3V
DS301
CL-200YG-C-TS
Q302
DTA114EU
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
37
CK
P81/S26
DATA
38
P80/S27
CPU3V
39
AVDD
40
AVREF
C384
0.01
CP303
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
J300
AXK6S20545
UNLK
+3V
1
20
CK
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
R343
47
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
UPD78F9418AGK-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
HV
S302
S303
R301
R300
R422
4.7 k
4.7 k
4.7 k
[MODE] [ POWER]
S301
S300
[ DOWN]
[ UP]
[ PTT]
CHGC
+3V
C303
EP300
0.01
C390
R334
R423
1
1 M
15 k
25
COMPN
R338
R335
26
COMPP
C: 1.81
22 k
22 k
27
AVDD
D309
28
TSBPFO
MA2S111
29
D313
DREF
30
MA2S111
TLINO
31
TLIN
C313
32
D310
100 P
RXTONE
MA2S111
33
TXTONE
34
C316
DCSINO
R327
R333
0.22
35
5.6 k
DCSIN
270 k
36
TAGND
C: 1.57
C320
C321
1
1
R425
10 k
C: 1.55
R340
CP302
C326
3.9 k
1
W307
C325
R344
1
56 k
C314
R332
1
150 k
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
10 k
0.033
0.1
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
+
R360
100 k
R362
R328
100 k
10 k
100 k
BP
C338
C328
470 P
100
Q304
R417
2SA1586 GR
47 k
C340
T: 2.99
1
R: 0.00
R418
4.7 k
R349
D302
MA2S111
1 k
TXV
Q318
R350
22 k
DTC114YU
R421
D317
22 k
T: 0.00
MA2S111
R: 0.00
R+3
R426
2.2 k
+3V
R419
100 k
Q309
DTC114TU
PTT
*: EXT-PTT
C389
T: 3.06
0.1
R: 0.00
C344
R373
0.047
82 k
C335
R357
C349
220 P
0.001
56 k
12
R358
RXAF
11
56 k
RXAFIN
10
R365
DEOUT
9
NTCG16 3NH 221KT1
AVSS
8
MOD
7
MODIN
R374
6
C339
SPOUT
2.7 k
220 P
+
5
R377
C347
AMPO
4
15 k
10
AMPN
R363
3
R361
AMPP
R366
56 k
2
22 k
1 k
TXIN
1
TXINO
IC304
AK2342B
R381
C351
10 k
0.1
C346
R378
100 P
330 k
C337
0.22
C329
47 P
C334
R356
0.1
82 k
R346
R348
22 k
240 k
C336
R359
100 P
100 k
C332
0.001
MOD
R375
1.5 M
Q307
2SA1362 GR
VCC
C324
+
0.1
C352
C354
0.1
22
IC305
R368
R382
NJM2070M
3
2
1
C327
15 k
12 k
Q306
330 P
1 1
8 8
R424
2SC4116GR
47 k
2 2
7 7
Q303
3 3
6 6
UMZ2N
4
5
4
5
6
R383
+3V
120
+
C345
T: 0.00
C343
R376
+
C: 3.10
R: 2.73
3.3
470 P
1.2 k
C348
2.2
W300
R410
100 k
+
+
+
C331
C333
Q308
0.1
470 P
2SB798 DK
W304
Q305
2SC4116 GR
D303
D304
MA2S111
MA2S111
C341
R369
T: 2.09
C350
1
1.2 k
R: 0.00
0.1
CHG: 2.99
T+3
BP
11 - 1
R399
R403
10
100
*: EXT-PTT
C375
C381
T: 2.30
470 P
470 P
R: 3.10
R386
Q310
100
DTA113ZU
+
C357
R400
C376
C382
470 P
4.7 k
10
0.01
R387
4.7 k
J303
HSJ1102-01-540
W301
MIC
C362
0.1
C377
330 P
Q316
2SJ144 Y
C378
R404
0.1
33 k
R390
R401
100 k
100 k
R393
82
R396
C367
R405
R406
1 M
470 P
100
RV-244
T: 2.73
R: 0.00
C366
0.1
Q313
2SK1829
MC300
C372
0.1
R384
R392
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
MICIN
T: 0.00
R (BP): 4.50
R (EXT-DC): 5.73
C374
47 P
EXT.SP
T: 0.00
+
R: 1.91
C364
10
+
C358
150
C371
C368
J301
330 P
330 P
HSJ1493-01-010
R385
1
Q311
SP300
R391
2SC4213 B
C356
10 k
0.1
EXT-DC: 5.73
BP: 4.50
SDRD-3650P-008
VCC
C365
Q315
0.1
C359
HAT1023R
330 P
8
1
D
S
D306
7
2
EXT-DC: 5.98
D
S
RB551V-30
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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