Icom IC-E92D Service Manual page 53

LOGIC UNIT
EP501
MMZ1005Y102CT
EP500
R504
MMZ1005Y102C T
100
R501 C505
0 . 1
1 k
C500
0 .1 IC 5 0 0
R502
1 8
CLK VCC
2 7
100K D PRE
X500 3 6
C501 C503 Q CLR
4 3 4 5
VCC OUT GND Q
1 2 Q 500
0 . 0 0 1
GND GND 0 . 0 01
2SC4738
SN74LVC2G74DCTR
C R - 8 2 1
R503
220 C504
0 .1
ACQ
DCEL
FM:0.00V R517
DV:3.13V 10K
UNR9213J
Q50 3
R516
DVC
10K
MMZ1005Y102CT
C517 EP504
0 .1
R519
47K
S I
SEN
SO
MMZ1005Y102CT
SCLK
AMBERES EP505
C518
C520 C519
0 .1
47P
2 . 2 S V S P
EP508
MMZ1005Y102C T
SN74LVC1G04DCK
IC 5 0 5
1 5
R530 R531
NC VCC
2
A
3 4
100 GND Y
1 k
C530
C531
R532
0 .1
0 .1
C 536
100K
0 .1
X501
C532 C 534
4 3 Q 505
VCC OUT
1 2 2SC4738
GND GND 0 . 0 0 1 0 . 0 0 1
C R - 8 2 0
C535
R533
0 .1
220
R536
FM:0.00V
DV:3.19V
2SA1832
Q507
Q506
DVC 1 5
2
C 547
0 . 0 0 1
R608
+5V 3 4
0
R537
XP1501
4 . 7 K
C548 C 549
2 . 2 S V S P 0 . 0 0 1
IC 5 0 7
7.38V XC6202P502PR 5.00V 3.95V
IC 5 0 8
R538
VCC 1
I O VDD VOUT
2
22
G GND
C551 C 553 3
C552 C554
CE NC
0 . 4 7 1 22
1
R1111N321B
AMBE C
R539
47K
MMZ1005Y102CT
47K EP502
IC 5 0 1
47K
0 47K 47K 47K C510
1 24
XTAL VDD 0 .1
R505 R506 R507 2 23
R508 R509
XTAL/CLK_RX S /N
3 22
C LKDIVA TXC
C506 4 21
R510
C LKDIVB RXC
5 20
RX_HOLD RXD
6 19
RXDCAC Q TXD
7 18
PLLACQ TXP
C 507 22P 8 17
RX_PSAVE TXE
9 16
0 . 0 0 1 R511 V B I A S TXO
10 15
RXFB BT
100K 11 14 0 . 0 2 7
R X _ S I G _ I N DOC1
C512
12 13
VSS DOC2
CP500
UNR9213J
CMX589AD5
CP10S
C 508
C511
1
Q 501 0 .1
C 509
R512
0 . 0 0 1
100K
R520 100K
C528
R521 R522
470K 47K 1
FM:0.40V
2SA1832
DV:4.73V
Q50 4
MMZ1005Y102CT
R518 EP507
EP506
10
C521 C527
MMZ1005Y102C T
10 0 .1 IC 5 0 4
NJM2115V
I C 5 0 3
20 1
S E VOUT P
19 2
S D I VOUTN
18 3
S D I FS AVDD1
100
17 4
SDOF S AGND1
R525
16 5
SDO V I NP
47K 0 .1
15 6 R524
MCL K VINN R523 C529
0 .1
14 7
SCLK REFOU T C522 R526
47K
13 8
C525
R E S ET REFCAP
12 9 100K
0 . 0 4 7
DVDD AVDD2
11 10
DGND AGND2
C523 C 347
0 .1 0 . 0 0 1
AD73311ARSZ
R527
C524 680
0 . 0 2 2
R528 C526
C321
10
1 k 0 .1
R327
R534
1M
330
R535
1 k
C538 C539
0 .1
CP501 0 .1
0 .1
C537
CP10S
75
CHANN_SEL 0
74
RATE_SEL4
73
RATE_SEL3
72
RATE_SEL2
71
RATE_SEL1
70
RATE_SEL0
69
RESETN
68
X 2 / C L K I N
67
X1
47K 66
D500 NC
65
M A2S728 GND
64
VDD
63 AMBE-2020
GND
62
IC 5 0 6
NC
61
C546
NC
60
47P NC
59
C550
NC
0 . 0 0 1 58
NC
57
VD D
C545 56
GND
55
NC
54
0 .1
VD D
FM:4.47V
53
GND
DV:4.25V
52
GND
51
CLOCK_MODE
3.19V
EP509
MMZ1005Y102C T
5
C543 C542
4 C544
C556
0 .1
C 555 0 .1
0 .1 0 . 1
10 MSVA
MP50 0 MP51 0
OG-321610G OG-321610G
R347
C330
R350 0 . 0 0 1
100K
EP503 15K
MMZ1005Y102C T
R349
15K R348
220K
C 331
1
R515
IC 5 0 2
R513 22K
1 5
C516
2 0 . 0 0 2 2
R514
3 4 C515
390K
0 .1
C327
47K
C513 1 5
TC7S66FU
0 . 0 2 7
0 . 0 6 8 R330
C324 2
470
0 . 0 0 1
Q502 C328 R331
C514
3 4
UNR9213J
0 . 0 0 1
1 2 . 7 K
Q307
U NR9115J C326
C323
0 . 0 5 6
C322
0 . 0 0 1
R340
0 . 0 0 1
FM:0.01V
3 . 9 K
C325
R328
DV:3.25V
15K 0 . 0 4 7
FM:3.26V
DV:0.13V C 339
0 . 0 0 1
TX:3.24V
RX:0.35V
AN6123M S
C 312
C 317 R316
DET I NPUT
2 3
GND R323 0 .1 1 . 5 K
C319 R326
4
VCC OUTPUT
1 5
0 .1 180K 0
C320
IC 3 0 0
0 . 0 1 R318
R317
68K
3 . 9 K
1
U NR9213J C313
Q 305
R319
10K
R325
47K C318 R320
0 . 0 0 1 15K
R322
4 . 7 K
C314
C316
C315
0 . 0 1
0 . 0 0 3 3 0 .1
1
GND
2 680
NC
3 R321
NC
4
NC
5
NC
6
NC
7
NC
8
VDD
9
GND
10
GND
11
VDD
12
VDD C540
13
NC
14
NC 0 .1
15
NC
16
NC
17
NC
18
NC
19
NC C541
20
EPR
21
NC 0 .1
22 Q31 0
NC
UNR9115 J
23
VDD
24
ENCODER_EN
25
GND
C 400
0 . 0 0 1
ON:3.14V
OFF:0.01V
R403
1M
R351
100
IC 3 0 3
8
VCC
7
CH0
100K 6
CH1
0 . 01 R346
5
C 333 1
A
22
C343
C332
TC7W53F U
R345
100K
IC 3 0 2 C344
0 . 0 01
1 14 C342
0 . 0 01
2 13
3 12
R344
4 11 180K
5 10
6 9
R341
7 8
R329 2 . 2 K
C335
LMV324IPW
150K C340
R342 0 . 0 3 3
390P
2 . 2 K
R334
C329
68K
180P
COMMON
R333 R335
CONTROL
C341 R343
82K 39K
0 . 0 1 8
C334 1 . 5 K
R336 RX(Analog voice)
0 . 0 0 2 7
R339
82K
RX(Digital voice)
39K
C 338
C336 TX(Analog voice)
0 . 0 3 3
10
0 . 0 6 8
C337 TX(Digital voice)
R338
10K
Q309
R337
U NR9213J
39K
U NR9113J
R311 R310 Q302
TC7W53F U
3 . 3 K 100
IC 3 0 1
R315 C308 C305
8 1 R312
10 0 . 0 1
VCC COM
82K
7 2
0 . 1 CH0 INH 0
6 3
CH1 VEE C309 R307
C306
5 4
A GND
0 .1 1
4 . 7 K
Q30 4 C307
C311
2SC4738
0 . 1 0 . 0 0 1 R305
33K
C310 R314
10
1 k AVR-M1005C080M T
R306
1 k
R309 R308
1 . 8 K 1 . 8 K
Q 303
XP1215
R417
C 409 R409 3 . 3 K
I C 4 0 0
1 1 8 8
10K
0 .1 C411 R410
2 2 7 7
C 416
3 3 6 6
0 .1
33K
4 4 55
330
C417
R411
0 . 0 0 1
R418 R412 NJM2070M
8 . 2 K R413
C410
10K 33
0 . 0 1 5 10
C 415
C412
1 . 5 S V A 0 . 0 4 7
R419
33K Q31 1
2SC4213 C413 C414
R414
0 .1 100
2SB1201
470K
R400
R415
27
C401 C408
470K
R401 Q40 0
0 . 0 0 1 0 . 0 0 1
INTSP:0.00V
27
EXITSP:3.13V
R402
Q401
XP1501 R407
27
22K
R416
100K
R404
68K
R405
C404
C 403 C419
C 405 C421
1 k
0 . 0 0 1 0 . 0 0 1 0 . 0 0 1
1 2 .2
R406
20K
10 - 2
CK R601
40
VCC 100
39
DATA R602
38
1 MOD 560
COM 37
2
IN H 36
3
+ 5 . 5V
VEE 35
4
SQ L
GND 34
D ASTB2 R603
33
HV 1 k
32
APLLSTB R604
31
TXC 1 k
30
+5V
29
I O S T B1
28
BPLSTB
27
D ASTB1 R605
26
D_AS BPS 1 k
25
UNLK
24
23
TTEM P
22
I O S T B3
21
ANOIS
20
DIUD2
19
DICK2
18
CHG
17
ATONE
16
DAFOUT
15
BTONE
14
I N T P T T
13
+3V
12
S - T X V
11
B R S S I
10
D ICK
9
BNOIS
8
DIUD
7
DV C
6
5
4
VOLOU T
3
2
C557 1
+3V
BTONE
R300
DAFOUT J 6 0 0
470
I M S A - 9 6 3 7 S - 4 0 Y 9 0 5
MICC
C304 C 300
C301
0 . 0 0 1 R301
1
0 . 0 0 1
10K
MC300
R302
Q30 0
1 k
2SA1832
C302
EM6022P PTT
0 . 0 0 1
D300 R352
1 k
R303
I N T P T T C303
220K
0 . 0 4 7
Q301
U NR9213J
C 603
C602
0 . 0 0 1 x 2 J 6 0 1
CP10S
R30 4
S M 1 0 B - S R S S - T B
CP504 C P502
2 . 2 K
CP10S
MMZ1005Y102CT MMZ1005Y102CT MMZ1005Y102CT MMZ1005Y102CT MMZ1005Y102CT
EP511
L 5 0 0 1
EP512
10U 2
CLONE
3
OPTV EP514
4
EP515
5
EP516
6
+5V
7
232GN D
8
23 2 I N
9
232OUT
10
VOLOUT
CP503
D 600
CP10S
M A2S111
C P506 C P505
CP400 CP10S CP10S
C 418
0 . 0 0 1 CP06S
CP401 R610
CP06S
470
C600
47P
EP517
MMZ1005Y102CT
Q40 2
Q 600
R611
2SC4116
100K CPH3313
RSR025N03
Q 601
Q403 U NR9213J
R612
470
Q40 4
RSR025N03
Q40 5
UNR9213J D 601
M A2S728
C605
0 . 0 0 1
R614
10K C604
0 . 0 0 1
*; Refer to "PARTS LIST."