A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
1
3
4
5
6
7
8
9
10
11
12
13
14
2
TK-2118
PC BOARD VIEW / PC
板视图
TX-RX UNIT (X57-6233-00) Component side view
R421
R395
R390
R339
R319
R320
R321
R423
C312
R404
R415
R396
R338
R471
R331
C376
C366
C371
C311
C313
C336
C397
C309
C383
C352
C326
Q324
D
G
S
C414
C310
C317
C316
Q316
C353
C357
C358
C356
C339
C369
R407
R394
R410
R411
R413
R412
R346
R335
R343
R341
CN303
R314
R315
R316
R317
IC302
1
45
8
Q318
Q315
VR302
MAX DEV
D
G
S
R334
R375
R333
R336
R337
R381
R326
R387
R433
R425
R463
R458
R392
R391
R347
TH301
R345
R422
R348
R445
R469
R408
R399
R397
R393
R406
R304
R322
R418
R318
R313
R312
C328
C308
C307
C378
R351
R468
R467
R369
R416
R398
J72-0737-22 B/3
+
C386
C360
C367
C363
1
16
C421
C362
+
IC306
IC303
IC304
1
1
1
3
3
4
4
5
5
7
8
14
Q303
R332
R379
R378
R464
R459
R466
R349
C333
C375
C354
C343
C359
C416
C412
C408
L305
R342
R372
Q317
Q320
TXD
REM
VR301
DQT BAL
VR303
DTMF DEV
+
PTT
D309
C418
C422
L306
+
D304
R354
R352
LCD
D305
IC300
1
25
26
100
50
51
75
76
COM2
COM1
COM0
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
V1
V2
V3
V4
H1
H2
H3
H4
H5
SB
LED
MIC
E
E
SP
SP
45
46
.
o
N
.
f
e
R
s
s
e
r
d
d
A
0
0
3
C
I
I
7
2
0
3
C
I
G
0
1
3
0
3
C
I
E
5
4
0
3
C
I
E
6
6
0
3
C
I
G
3
3
0
3
Q
G
7
5
1
3
Q
E
2
1
6
1
3
Q
F
5
7
1
3
Q
H
0
1
8
1
3
Q
F
0
1
0
2
3
Q
J
0
1
4
2
3
Q
I
1
1
4
0
3
D
M
3
5
0
3
D
M
3
1
9
0
3
D
H
2
1
TX-RX UNIT (X57-6233-00) (B/3)
Component side view
DTA144EE
DTC114EE
DTC114YE
DTC144EE
2SC4738
E
C
B
2SK1588
G
D
S
2SK1824
S
G
D
PST9124NR
PST9145NR
1
2
3
4
5
AT24C16N-10SI
B C
E
NJM2902V
1
7
8
14
24LC16BT-I/SN
8
1
4
5
M38267M8L271GP
50
51
26
25
1
100
76
75
Component side
Foil side
Pattern 1
Pattern 2
Pattern 3
Pattern 4