Kenwood NXR-700 Service Manual page 186

A B
CONTROL UNIT2 (X53-4140-XX)
C359 0.1u
33MPU
BUFFER
IC300
TC7SET126FU-F
4 3
oUTY GND
2 BER_CLK_L
INA
5 1 BER_EN
VCC G
C360 0.1u
BUFFER
IC301
TC7SET126FU-F
4 3
oUTY GND
2 BER_DAT_L
1 INA
5 1 BER_EN
VCC G
CN400 50MPU
GND BER_DAT
1
BER_CLK
GND 2
REF_SW2 3 R322 0 REF_SW2
WP(SYS-RST) R927 0 SYS_RST
4
REF_SW 5 R323 0 REF_SW
oX_SCL R928 0 oX_SCL
6
EXT_EXiST R324 0 EXT_EXiST
7
oX_SDA 8 R929 0 oX_SDA
REF_EXiST 9 R325 0 REF_EXiST
iMP_H_L 10 R930 0 iMP_H_L
REF_iN_oUT 11 R326 0 REF_iN_oUT
GND 12
oX_SDi2 13 R327 0 oX_SDi2
GND 14
oCXo_VR_EN R328 0 oCXo_VR_EN
15
GND 16
oCXo_oN 17 R329 0 oCXo_oN
GND 18
oCXo_CURR 19 R330 0 oCXo_CURR
GND 20
oCXo_EXiST 21 R331 0 oCXo_EXiST
GND 22 33MPU
VCXo_DA_EN 23 R332 0 VCXo_DA_EN
GND 24
REF_LDT 25 R333 0 REF_LDT
GND 26
PLL_19_EN 27 R334 0 PLL_19_EN
GND 28
PLL_19_CE 29 R335 0 PLL_19_CE Lo_VoL_DET
GND 30
oX_SDo2 31 R336 0 oX_SDo2
GND 32
oX_SCLK2 3.3V R337 0 oX_SCLK2
33
33MPU 34 L315 33MPU
GND 35
GND
36
2
R404
33MPU
BUFFER
IC727
TC7SH126FU-F
1 5
G VCC
2
INA R913
3 4
GND oUTY
0
J703 L326
R397
L327
IC302 0
R318
ISL8485EIBZ
BUFFER
J702 5 4 R357 0
100 GND D IC304
6 3 R358 0 TC7SH125FU-F
A DE
R319 7 2 R359 0 1 5 33MPU
B RE G VCC
8 1 R360 0 2
3 100 R393
VCC R INA 0
3 4
GND oUTY
RS-485 DRIVER/RECIEVER
C420 0.1u
CN401
GND 1
CHASSIS GND
GND 2 FRAME 12.5Hz
RX_PWR_SAVE 3 R363 0 RX_PWR_SAVE
oCXo_ST_R 4 R364 0 oCXo_ST_R
oCXo_ST_G 5 R365 0 oCXo_ST_G
6 R366 0 VoLUME_IN
VoLUME_IN
PWR_ST_R 7 R931 0 PWR_ST_R
MOD_D_OUT 8 R367 0
GND 9
RX_AUDIO_D 10 R368 0
BEEP 11 R369 0
MIC_D_IN 12 R370 0
iNRA_SW 13 R947 0
VOLTAGE PROTECTOR
NC 14 R371 0
HooK_RXD_SCM 15 R932 0 D702 1SS355
AMP_SW 16 R372 0 AMP_SW
SCM_EN 17 R933 0 SCM_EN
AF_MUTE 18 R373 0 AF_MUTE
19 R948 0
iNSP_SW
EVOL_DATA 20 R374 0 EVOL_DATA
PTT_AM16C 21 R946 0
EVOL_CLK 22 R375 0 EVOL_CLK
GND 23
EVOL_LD 24 R376 0 EVOL_LD
TAAD_SW 25 R916 0 TAAD_SW
TA_SW 26 R377 0 TA_SW
BEEP_SW 27 R378 0 BEEP_SW
PATH_SW 28 R379 0 PATH_SW
RXAD_SW 29 R380 0 RXAD_SW
MiC_SW 30 R381 0 MiC_SW
MiCAD_SW 31 R382 0 MiCAD_SW
TD_SW 32 R383 0 TD_SW
NC 33 R384 0
Lo_VoL_DET 34 R385 0 Lo_VoL_DET
GND 35 HooK_RXD_SCM
PTT_TXD_SCM 36 R386
0
4
BUFFER
IC330
TC7SH126FU-F
5
1
G VCC
SW 2
INA
Q309 3 4 PTT_SH
SSM6N16FE-F GND oUTY
1 6
2 5 R936 100k
3 4 R935 470k
R934 470k
CN402
1 R340 0 Hi_VoL_DET
Hi_VoL_DET
GND 2
50MPU_A_GND 3 L301 R395 0
4 L302 R394 0
50MPU
50MPU_A_GND 5 5.0V
DC50 6 L303 DC50
DC50 7
DC50 8
9
DC50
3.3V
33MPU_A_GND 10 L304 33MPU_A_GND
33MPU 11 L305 33MPU
33MPU 12
33MPU_A_GND 13 5.0V
50MPU_A 14 3.3V L306 50MPU_A
33MPU_A 15 L307 33MPU_A
33SH 16 L300 33SH
17 R341 0
50MPU_CoNT 50MPU_CoNT
NC 18 R342 0
E_PTT_SH 19 R343 0 E_PTT_SH
SC_SH 20 R344 0 SC_SH
GND 21
22 R345 0 SRX0_ATX0
SRX0_ATX0
STX0_ARX0 23 R346 0 STX0_ARX0
GND 24
RF_PTT 25 R347 0 RF_PTT
TX_STATE 26 R348 0 TX_STATE
QT_DQT 27 R349 0 QT_DQT
5 RADIO_ERR 28 R350 0 RADIO_ERR
GND 29
30 R352 0 ADSP_CK_SFT
ADSP_CK_SFT
TRUNKiNG 31 R353 0 TRUNKiNG
A16C_CK_SFT 32 R354 0 A16C_CK_SFT
BER_DAT 33 R949 0 BER_DAT
BER_CLk 34 R950 0 BER_CLK
35
GND
SYS_RST 36 R356 0 SYS_RST
CN300 R302
0 33MPU
DC50
2nd IF 456kHz RESET_D
3.3V 3.3V R388
L324
0
VOLTAGE
CONTROL SW
DETECTOR
Q303
LTA044EUBFS8
VOLTAGE
C379 REGULATOR
0.1u
5.0V
33CF_CoNT
* IC329
VOLTAGE
REGULATOR
3.3V
L314 33SH
33SH_CoNT
6
C
R484 33MPU-2
0
R516 47k
C516 R517 47k
R518 47k
1000p
oCXo_ST_G
H6 C1 D_A3
VSS2 A2 oCXo_ST_R 103
D_D6 H5 C2 D_A7
DQ6 A6
D_D4 H4 C3 D_CS1 D_D7 104
DQ4 A18
D_D6 105
D_D3 H3 C4
DQ3 NC2
D_D1 H2 C5 D_A11 D_D5 106
DQ1 FLASH MEMORY A10
H1 C6 D_A15 D_D4 107
VSS1 A14
IC314 D_D3 108
D_A0 G6 D1 D_A2
DQ15/A-1 A1
G5 D2 D_A6 D_D2 109
DQ13 A5
R417 D_D1 110
G4 D3
VCC NC3 D_D0 111
0 G3 D4
DQ11 NC4
G2 D5 D_A12 R489 0 112
DQ9 A11
113 P117
D_RD G1 D6 D_A16 P116
oE A15
R491 0 114
P115
R492 0 115
P114
R493 0 116
P113
R494 0 117
P112
R451 DiPSW2 R495 0 118
P111
47k DiPSW1 R496 0 119
P110
R497 0 120
P107/AN07/KI3
R498 0 121
P106/AN06/KI2
R499 0 122
P105/AN05/KI1
R500 0 123
P104/AN04/KI0
R501 0 124
P103/AN03
3.96V 3.3V VoLUME_IN R502 0 125
P102/AN02
R503 0 126
P101/AN01
VOLTAGE 127
DETECTOR AVSS
Lo_VoL_DET27 R504 128 P100/AN00
IC308
XC61CN2702N-G 0
Hi_VoL_DET
FRAME_SW
L310
10u
0
R418 C466 0.1u
3.54V
R411 100k 4.91V
4.7k C453 REFERENCE
Q304 AMP
2SC4738F
0.01u
R424 C467
R440 22
680
2.90V 0.01u R432 22
R408 0
IC313
INVERTER
TC7WU04FK-F
R421 C462 R433 1 8 R452 10
1A VCC
2 7 TX_DSP_CLK
10 0.01u 1M R453 10
3Y 1Y
3 6
2A 3A
4 5 R454 10 R678
GND 2Y
0
FRAME_DET FRAME_DET
33MPU 33MPU
33MPU_A
TX_CoSDTo R431 0
IC309
TX_DSP_CLOK
AK4550VTP
TX_CoSDTi 9 8
SDTI SDTo
33MPU
TX_CoLRCK 10 7
LRCK DEM1
11 6
MCLK DEM0
TX_CoSCLK 12 5
SCLK VDD
TX_CoPWAD 13 4
PWAD VSS
TX_CoPWDA 14 3 C528
PWDA AINL
15 AoUTL 2 10u
AINR
16 1
AoUTR
VCoM
A13
A19
CODEC A12
MOD_D_OUT A20
B11
EARTH_4 CVSS9
RX_AUDIO_D A11
DVDD5
D10
D6
C10
MiC_D_IN C575
CHASSIS 0.01u D7
B10
GND D8
A10
D9
D9
D10
33MPU R446 R460 EMU0_D C9
D11
B9
0 47k
D12
R951 D_D4 A9
R461 HD4
EMU1_D D8
100k D13
47k C8
D14
B8
BUFFER D15
D_D5 A8
IC728 HD5
TC7SH126FU-F B7
CVDD6
4 3 C576 A7
oUTY GND CVSS10
2 D_RD C7
0.01u
INA HDS1
5 1 D7
VCC G DVSS8
D_WR A6
HDS2
B6
DVDD6
C834 C6
C577 A0
D6
A1
0.1u 0.01u
A5
A2
B5
A3
D_D6 C5
HD6
D5
A4
A4
A5
B4
A6
C4
A7
A3
A8
B3
A9
C3
CVDD7
C529 A2
10u B2
C578
0.01u
R550
47k
33MPU 33MPU
R487
0
A13
A12 A19
A20
B11
CVSS9
A11
DVDD5
D10
D6
C588 C10
D7
0.01u B10
D8
A10
D9
D9
A/D D10
CONVERTER C9
D11
IC312 B9
D12
ADCS7476AIMF D_D4 A9
HD4
ADSCLK 4 3 C501 0.1u R469
SCLK VIN D8
D13
ADSDO R425 0 5 2 47 C8
SDATA GND D14
ADCS 6 1 R442 68k R449 68k B8
CS VDD
D15
D_D5 A8
C494 0.1u HD5
B7
CVDD6
R423 0 C495 1u C590
A7
CVSS10
D_RD 0.01u C7
HDS1
D7
DVSS8
D_WR A6
HDS2
B6
DVDD6
C6
C591
A0
D6
0.01u A1
A5
A2
B5
A3
D_D6 C5
HD6
D5
33CF A4
A4
A5
B4
A6
C4
A7
VOLTAGE A3
A8
REGULATOR B3
A9
IC306
C3
BA15BC0FP CVDD7
1.5V A2
33SH R389 1 3 L325 C592 B2
IN oUT
0 0.01u
GND
2
C527
VOLTAGE 10u
REGULATOR
IC307
XC6201P152P-G
33MPU R390 3 1 15DSP R406 15DSP_1 R505 15DSP_3
VIN VoUT
0 VSS 0 0 R547
2 47k
33SH
DC SW D300
3.0V
1SS388F
33SH R403
Q302 0
2SA1955A-F
POWER SW
Q301
RT1N141M-T111
DC SW
D E
64 R662 0 BER_DAT_L
P125
63 R663 0 BER_CLK_L
P126
62 R664 0 RY
P127
61
P50/WRL/WR
60 D_WR
P51/WRH/BHE
59 D_RD 33MPU-2
P52/RD
58
P53/BCLK
57 EVOL_LD
P130
56 EVOL_DATA S700
S79-0473-05
P131
55 R653 0 EVOL_CLK R702 47k
P132
54 R703 47k
P133
R709 100k
MPU 53 R673 47k
P54/HLDA R710 100k
52
IC325 P55/HoLD
51 R656 R674 47k
30625MGP490GU
P56/ALE
50 0 R657 0 DSP_HRDY
P57/RDY/CLKoUT
49
P134
48
P135
47 R660 0 AMP_SW
P136
46 R661 0 AF_MUTE
P137
C818 0.1u
45 R667 0 BER_EN
44 R668 0 D_iNT
BUFFER
43 TXD_D
IC725
42 RXD_D SW TC7SH126FU-F
41 D701 4 3
oUTY GND
40 1SS388F 2
INA
39 R672 5 1
VCC G
47k
C565 10u
C566 1000p
PWR_ST_R
BEEP
R566 X301
CLOCK
L77-1984-05 SHIFT SW
0 Q308
Q307
2SC4738F C549 C552 2SC4738F
R560 R604
12p 15p
10k 10k
CLOCK
SHIFT SW
33SH
C722 1000p
C723 1000p
R720 10 A3
DSP_RST VDD-CPG
R721 0 B20
VDDQ1
C9
VDDQ2
C11
VDDQ3
C13
VDDQ4
E18
VDDQ5
H3
VDDQ6
J18
VDDQ7
K3
VDDQ8
R711 0 K18
AVCC_ADG
M3
VDDQ9
M18
VDDQ10
N18
VDDQ11
V3
VDDQ12
V5
VDDQ13
V8
VDDQ14
V10
M12
VDDQ15
R605 0 V11
N12 TX_CoPWAD VDDQ16
V12
L11 R606 0 VDDQ17
M11 D_D1 V16
VDDQ18
HD1 V18
N11 R624 47k C585 0.01u VDDQ19
CVDD5 B2
L10 R648 0 FRAME_T
INT3 VSS-CPG
C19
M10 R649 100 VSSQ1
INT2 D9
N10 R650 47k VSSQ2
INT1
K9 R651 0 D11
INT0 VSSQ3
D13
L9 R626 47k VSSQ4
NMI D15
M9 D_A1 VSSQ5
HBIL
E17
N9 VSSQ6
IACK H4
K8 R607 0 VSSQ7
BDX2 J17
L8 R608 0 TX_CoSDTi
BDX0 VSSQ8
K4
M8 D_D0 VSSQ9
HD0 K17
N8 C584 AVSS_ADC
DVSS6
K7 M4
0.01u VSSQ10
DSP DVDD4 M17
L7 R627 0 TX_DSP_RDY VSSQ11
HRDY N17
IC324 N7
BFSX2 VSSQ12
U5
M7 R609 0 TX_CoLRCK VSSQ13
BFSX0 U8
VOCODER N6 C583 VSSQ14
CVDD4
M6 R610 0 U10
TX HINT 0.01u TX_HiNT VSSQ15
U11
L6 VSSQ16
CVSS7 U12
K6 VSSQ17
BCLKX2
N5 R612 0 TX_CoSCLK U16
VSSQ18
BCLKX0 W2
M5 VSSQ19
BDR2 W19
L5 D_A3
HCNTL1 VSSQ20
R712 10 A4
K5 R613 0 TX_CoSDTo VDD-PLL1
BDR0 R713 10 A19
N4 R910 VDD-PLL3
BFSR2
M4 R614 0 R714 10 B3
47k VDD-PLL2
BFSR0 R715 0 C7
L4 VDD1
BCLKR2 C14
K4 R629 0 VDD2
BCLKR0
G3
N3 VDD3
DVSS5 G18
M3 D_A2 VDD4
HCNTL0
N2 R615 0 P3
BCLKR1 VDD5
P18
N1 VDD6
V7
VDD7
V14
VDD8
R616 B4
VSS-PLL1
C3
0
R597 VSS-PLL2
B18
VSS-PLL3
0 D7
R716 VSS1
D14
0 VSS2
G4
VSS3
G17
VSS4
P4
VSS5
P17
VSS6
U7 VSS7
R725
CLOCK X700
L77-1985-05
SHIFT SW 0
Q700
2SC4738F C703 C721
R700
10p
15p
10k
Q702
2SC4738F
33MPU CLOCK
SHIFT SW
SH_CKSFT
RTC IC
CN701
IC701
RV5C386A
CN700 1 10
32KOUT VDD
M12 X701
2 9
N12 i2C_SCL
SCL OSCIN
3 8
L11 i2C_SDA R726
SDA OSCOUT
CVSS8 M11 D_D1 4 7
HD1
N11 R926 47k C599 0.01u INTRB CLKC 0
CVDD5 C701
5 6
L10 R632 100 iNT3 VSS INTRA
INT3
M10 R642 100 0.1u
INT2
N10 R643 47k RTC_iNT
INT1
K9 R644 0 32KCNT
INT0
L9 R634 47k
NMI
M9 D_A1
HBIL
N9
IACK
K8
BDX2
L8 R620 0 BD_1_2
BDX0
M8 D_D0
HD0
N8
DVSS6
K7 C598 0.01u IC327
DVDD4
DSP L7 R630 0 RX_DSP_RDY AND GATE KIC7SH08FU-P
HRDY
RX_DSP_RDY 1 5
IC323 N7 INB VCC
BFSX2
M7 R621 0 TX_DSP_RDY 2
BFSX0 INA
RX 3 4
N6 C597 0.01u GND oUTY
CVDD4
M6 R641 0 RX_HiNT
HINT
L6
CVSS7
K6 DSP_HRDY
BCLKX2
N5 R623 0
BCLKX0
M5
BDR2
L5 D_A3
HCNTL1
K5 BD_2_1
BDR0
SRAM
N4
BFSR2 IC700
M4 L102616LL70LI
BFSR0
L4 R690 0
BCLKR2 A16 1 48 A17
A15 A16
K4 A15 2 47
BCLKR0 A14 BYTE
N3 A14 3 46
DVSS5 A13 VSS2
M3 D_A2 A13 4 45 D15
HCNTL0 A12
I/o15/A20 D7
N2 R635 0 ADSCLK A12 5 44
A11 I/o7
N1 A11 6 43 D14
A10 I/o14
A10 7 42 D6
A9 I/o6
A9 8 41 D13
A8 I/o13
BER 9 40 D5
R636 0 ADCS A20
A19 I/o5
10 39 D12
ADSDO NC I/o12
RD/WR 11 38 D4
WE I/o4
12 37
CE2 VCC
13 36 D11
DNU I/o11
WE1/DQM1 14 35 D3
BHE I/o3
WE0/DQM0 15 34 D10
BLE I/o10
A19 16 33 D2
15DSP_3 A18 I/o2
A18 17 32 D9
A17 I/o9
18 31 D1
A8
A7 I/o1
A7 19 30 D8
A6 I/o8
A6 20 29 D0
A5 I/o0
A5 21 28 RD/CASS
A4 oE
22 27
A4 A3 VSS1
A3 23 26 CS4
A2 CE1
A2 24 25 A1
A1 A0
15SH
33BU
33CF
F G
* R960
* R961
PC CONTROL
CN713
EARTH_3
C750
RS-232C 1u
DRIVER/RECIEVER
IC705
ADM3202ARUZ
C746 1u 1 16 C751
C1+ VCC
C747 1u 2 15
0.01u
V+ GND
3 14
C1- T1oUT
C748 1u 4 13
C2+ R1IN
5 12
C2- R1oUT
C749 1u 6 11
V- T1IN
7 10
T2oUT
T2IN
8 R2IN 9
R2oUT
R756
0
MIC SW
Q707
RT1N441M-T111
LAN_CKSFT
A11
A10
B15
B14
RXD_D
B13
B12 TXD_D
B11 R774 100k
B16 SRX0_ATX0
A16 STX0_ARX0
A15 SYS_RST
E20
DREQ1
IC726
E19
DREQ0 KIC7SH08FU-P
D19 IC726
DACK1 1 5
C17 INB VCC AND GATE
DRAK0
2
D18 INA
DRAK1 3 4
A18 GND oUTY
DACK0
F4
BACK
E4
BREQ
D8
STATUS1 C767
D6
STATUS0 CP814 1000p
E3 BEEP_SW
CA
D5 R766
MRESET 3.3V
B1 0
RESET
R20
CAN1_RX/AUDATA<3> IC708
BU4829FVE
R19
CAN0_RX/AUDATA<2>
T20 4 3
CAN1_TX/AUDATA<1> VDD NC
T19 2
CAN0_TX/AUDATA<0> SUB
R917 5 1
J20 GND VoUT
RESERVED/AUDATA<3>
J19 0
RESERVED/AUDATA<2>
K20 R909
RESERVED/AUDATA<1>
TAAD_SW
K19 0
MPU ADTRG/AUDATA<0> RXAD_SW
H20
IC703 RESERVED/AUDSYNC
H19
RESERVED/AUDCK
D12
TDI
SH4 D10
TRST
C15
TCK
C12
TDo
C10
TMS
C8
ASEBRK/BRKACK
H18
MD8
H17
MD7
G19
MD6/IoIS16
G20
MD5
A17
MD4/CE2B
B17 CE2A
MD3/CE2A
C16
MD2
D17
MD1
D16
MD0
U6 R892 0 CKE
CKE
W15 R893 0 RAS
RAS
W6 RD/WR
RD/WR CP775
Y6 RD/CASS
RD/CASS/FRAME
Y14 WE3/DQM3
WE3/DQM3/ICIoWR
CP776
W14 WE2/DQM2
WE2/DQM2/ICIoRD
Y7 WE1/DQM1
WE1/DQM1 CP777
W7 WE0/DQM0
WE0/DQM0/REG
C1
RDY
T3
BS
R3
CS6
N3 CP778 CS5
CS5
L3 CS4
CS4
Y15 R768 0 CS3
CS3
J4
CS2
CS1 J3 R769 0 CS1
R770 0 CS0
C773 0.1u
NAND GATE
IC710
74AHC1G00GW
3 4
GND oUTY
2
INA 5
1
INB VCC
C817 0.1u
C770 0.1u
BUFFER BUFFER
IC724 IC709
TC7SH125FU-F TC7SH126FU-F
3 4
1 5
G VCC GND oUTY
2 R772 2
INA INA
3 4 1 5
GND oUTY 100k G VCC
C859 47p C860 47p
C742 10u C769 10u
IC702
29PL127JKCDC
IC704
C732 C756 IC707
1 RESET 56 C739 EM639165TS61G EM639165TS61G
2 RY/BY WP/ACC 55 WE1/DQM1 54 1 54
1000p WE 1 VSS3 0.1u VSS3
0.1u VDD1 VDD1
A1 3 54 D0 2 53 D15 D16 2 53 D31
A0 NC3 DQ0 DQ15 DQ0 DQ15
C740 C758
A2 4 53 A23 3 52 3 52
A1 A22 VDDQ1 VSSQ4 VDDQ1 VSSQ4
A3 51 D14 D17 4 51
5 52 A22 D1 0.1u 4 0.1u D30
A2 A21 DQ1 DQ14 DQ1 DQ14
A4 6 51 A21 D2 5 50 D13 D18 5 50 D29
A3 A20 DQ2 DQ13 DQ13
C743 DQ2 C772
A5 7 50 RD/CASS 6 49 6 49
A4 oE VSSQ1 VDDQ4 VSSQ1 VDDQ4
D12 D19 7
A6 8 49 D3 7 48 0.1u 48 0.1u D28
A5 NC2 DQ3 DQ12 DQ3 DQ12
9 48 CS0 D4 8 47 D11 D20 8 47
C858 47p VCC1 CE DQ11 DQ11 D27
DQ4 DQ4
D0 C733 0.1u 10 47 C738 9 46 C755 9 46
DQ0 VSS2 VDDQ2 VSSQ3 VDDQ2 VSSQ3
D1 11 46 D15 D5 0.1u 10 45 D10 D21 0.1u 10 45 D26
DQ1 DQ15 DQ5 DQ10 DQ5 DQ10
D2 12 45 D14 D6 44 D9 D22 11 44
DQ2 11 DQ9 DQ9 D25
DQ14 DQ6 DQ6
D3 13 44 D13 12 43 C744 12 43 C771
DQ3 DQ13 VSSQ2 VDDQ3 VSSQ2 VDDQ3
14 43 D12 D7 13 42 0.1u D8 D23 13 42 0.1u D24
VSSQ1 DQ12 DQ7 DQ8 DQ7 DQ8
C734 C741 41 C757 14 41
15 42 14
VCCQ1 VSSQ2 VDD2 VSS2 VDD2 VSS2
D4 0.1u 16 41 C735 WE0/DQM0 0.1u 15 40 WE2/DQM2 0.1u 15 40
DQ4 VCCQ2 DQML NC2
DQML NC2
D5 17 40 0.1u D11 RD/WR 16 39 RD/WR 16 39
DQ5 DQ11 WE# DQMH WE# DQMH
D6 18 39 D10 RD/CASS 17 38 RD/CASS 17 38
DQ6 DQ10 CAS# CLK CAS# CLK
D7 19 38 D9 RAS 18 37 RAS 18 37
DQ7 DQ9 CKE CKE
RAS# RAS#
20 37 D8 CS3 19 36 CS3 19 36
VSS1 DQ8 CS# NC1 CS# NC1
C736
21 36 A14 20 35 A13 A14 20 35 A13
NC1 VCC2 BA0 A11 BA0 A11
A7 22 35 A20 A15 34 A11 A15 21 34
0.1u 21 A11
A6 A19 BA1 A9 BA1 A9
A8 23 34 A19 A12 22 33 A10 A12 22 33 A10
A7 A18 A10 A8 A10 A8
A9 24 33 A18 A2 23 32 A9 A2 23 32 A9
A8 A17 A0 A7 A0 A7
A10 A3 A8 A3 24
25 32 A17 24 31 31 A8
A9 A16 A1 A6 A1 A6
A11 26 31 A16 A4 25 30 A7 A4 25 30 A7
A10 A15 A2 A5 A5
A2
A12 27 30 A15 A5 26 29 A6 A5 26 29 A6
A11 A14 A3 A4 A3 A4
C737 C754
A13 28 29 A14 27 28 27 28
A12 A13 VDD3 VSS1 VDD3 VSS1
0.1u
0.1u
FLASH MEMORY SDRAM SDRAM
H I
NXR-700
APPENDIX 4 (SCHEMATIC DIAGRAM X53-414)
X53-4140-XX IC329 R960 R961
-10 NO 0 NO
-11 (for Service) BA33DD0WT NO 0
Note : The components marked with a dot (•) are parts of layer 1.
C781 0.1u
NAND GATE
IC711
74AHC1G00GW
4 3
oUTY GND
2
INA
5 1 C850 47p
VCC INB
C799 0.01u
R919 0
R902 0
CP792 39 D18
R903 0
D19
C841
47p
R920 0 97 64
NBE3 D18
98 63 C805
VDD6 D19
62
D7 99 0.01u
CP783 39 D7 VDD4
D6 100 61 CP793 39 D20
D6 D20
D5 101 60 D21
CP784 39 D5 D21
D4 102 59 CP794 39 D22
D4 D22
103 58 D23
GND8 D23
D3 104 57
CP785 39 D3 GND4
D2 105 56 CP795 39 D24
D2 D24
D1 106 55 D25
CP786 39 D1 D25
54
D0 107 CP796 39 D26
D0 D26
108 53 D27
GND9 D27
109 52
TX25 GND3
110 51 CP797 39 D28
VDD7 D28
111 50 D29
TXEN100 D29
49
112 CP798 39 D30
CoL100 IC719 D30
113 48 D31
TXD3 LAN91C111I-NU D31
114 47
TXD2 LAN IC X25oUT
R807 C842
115 46 R877 10k
TXD1 NRDYRTN
10k 116 45 47p
TXD0 NLDEV
R808 117 44 C806
GND10 VDD3
10k 118 43 0.01u
RX25 NSRDY
C780 119 42 R878 10k
CLOCK CRS100 LCLK
SHIFT SW 41
0.01u 120 CS1
Q705 VDD8 AEN
121 40 R884
2SC4738F RXD3 NVLBUS
122 39
C787 RXD2 GND2 0
10p
123 38 R869 330
RXD1 ARDY
124 37 R870 0
RXD0 NADS
C782 125 36 R871 10k
RX_DV WNR
12p 126 35 R872 10k C843
X702 RX_ER NCYCLE
127 34 R873 10k
XTAL1 NDATACS 47p
L77-1986-05 C807
128 XTAL2 VDD2 33 J700
C783 12p
0.01u 14
R886
R817 12
C786 820 220
11
8
15p 7
L317 6
Q704
C779 2SC4738F 5
4
R875 L318 3
0.01u CLOCK L33-1500-05 2
SHIFT SW
R805 24.9 1
10
R876 L33-1500-05 R888
10k 9
13
R806 220
24.9
10k
L320
C800 0.01u
R780
0 EEPROM
IC708
VOLTAGE R830 IC720
DETECTOR AT93C46DN-SH
100k
EECS 1 8
3.3V CS VCC
EESK 2 7
SK DC
EEDo 3 6
DI oRG
EEDi 4 5
Do GND
C802 0.1u
CONTROL SW IC721
KIC7SH08FU-P
Q706
RT1N141M-T111 4 3
R781 100k oUTY GND
2
INA
R782 100k 5 1
R794 100k VCC INB
R783 100k
R784 100k AND GATE
R785 2.7k
C812
R786 100k
R787 100k 0.1u
R788 100k
CP807
100k
C791 0.1u
CP808
100k
OCTAL BUFFER
IC714
CP809 100k
TC74LCX244FK
1 20
1oE VCC
R803 100k R821 2 19
1A1 2oE
3 18
R796 100k 0 2Y4 1Y1
R835
CP810 100k 4 17
1A2 2A4
5 16 0 RESET_CF
2Y3 1Y2
WE0/DQM0 6 15 R833
1A3 2A3
R799 100k 7 14 0 REG
2Y2 1Y3
A10 8 13 WAIT_CF
R800 100k
1A4 2A2
R/B/iREQ 9 12 A10_CF
R801 100k 2Y1 1Y4
10 11 R/B/iREQ_CF
R802 100k GND 2A1
C795 0.1u
OCTAL BUFFER
IC715
TC74LCX244FK
1 20
1oE VCC
A9 2 19
1A1 2oE
3 18 A09_CF
A05_CF
2Y4 1Y1 17
A8 4 A5
1A2 2A4
A04_CF 5 16 A08_CF
2Y3 1Y2
A7 6 15 A4
1A3 2A3
A03_CF 7 14 A07_CF
2Y2 1Y3
A6 13 A3
8
1A4 2A2
A02_CF 9 12 A06_CF
2Y1 1Y4 C809 0.1u
10 11 A2
GND 2A1
OR GATE
C792 0.1u
IC722
TC7SH32FU-F
CD2 1 5
INB VCC
OCTAL BUFFER 2
INA
4
IC716 3 GND oUTY
TC74LCX244FK
1 20
1oE VCC
WE2/DQM2 2 19
1A1 2oE
A01_CF 3 18 IORD
1Y1
2Y4 17
WE1/DQM1 4 A1 CD1
1A2 2A4
A00_CF 5 16 WE_CF
2Y3 1Y2
RD/CASS 6 15 A0
1A3 2A3 D11_CF
CE2A_CF 7 14 RD_CF
2Y2 1Y3
CS5 13 D03_CF
8 2A2 CE2A
1A4 D12_CF
IOWR 9 12 CE1A_CF
2Y1 1Y4 D04_CF
10 11 WE3/DQM3
GND 2A1
D13_CF J701
D05_CF
C785 0.1u C790 0.1u 26 1
D14_CF
27 2
D06_CF
OR GATE 28 3
D15_CF
IC712 29 4
D07_CF
TC7SH32FU-F 30 5
1 5 CE2A_CF
INB VCC 31 6
2 CE1A_CF
INA 32 7
3 4 IORD 33 8
GND oUTY
RD_CF
34 9
OCTAL BUFFER IOWR
C784 0.1u 35 10
IC717
WE_CF 36 11
TC74LCX245FK R834
R/B/iREQ_CF
1 20 100k 37 12
DIR VCC A10_CF
D15 2 19 38 13
A1 oE A09_CF
D15_CF
D14 3 A2 B1 18 A08_CF 39 14
D13 4 17 D14_CF A07_CF 40 15
A3 B2
D12 5 16 D13_CF RESET_CF 41 16
A4 B3
D11 6 15 D12_CF WAIT_CF
A5 B4 42 17
D10 7 14 D11_CF
A6 B5 43 18
D9 8 13 D10_CF A06_CF
A7 B6 44 19
OR GATE D8 9 12 D09_CF A05_CF
A8 B7 45 20
10 11 D08_CF
GND B8 A04_CF 46 21
IC713
TC7SH32FU-F A03_CF
47 22
A02_CF
1 5 48 23
INB VCC C793 0.1u
2 A01_CF 49 24
INA
3 4 A00_CF
GND oUTY 50 25
REG
OCTAL BUFFER
D00_CF
IC718 D08_CF
TC74LCX245FK
R832
100k D01_CF
1 20
C816 0.1u DIR VCC D09_CF
D7 2 19
A1 oE
D6 3 18 D07_CF D02_CF
A2 B1
D5 4 17 D06_CF D10_CF
A3 B2
NAND GATE D4 5
16 D05_CF
A4 B3
IC723 D3 6 15 D04_CF
74AHC1G00GW A5 B4
D2 7 14 D03_CF
A6 B5
1 5 D1 8 13 D02_CF
INB VCC A7 B6
2 D0 9 12 D01_CF
INA A8 B7
3 4
10 11 D00_CF
GND oUTY GND B8