Kenwood NXR-710 Service Manual page 85

Z
CONTROL UNIT (X53-4490-10)
SB
33M
50M
R163
330k
AF AMP
IC27
TC75W51FK(F)
SBC
MOD
33A
C459 220p
C460 0.1u
A
98mVrms
VREF
CN404
C445 R445 R451
1u 33k 100k
C446 R446 C455
0.1u 220k 100p
C450 R444
1u 33k R452
47k
C456
220p
C457
RA
1u
BUFFER AMP
DC SW
Q6
R186
33M_2
2SD2114K(W)
Q5
R194
10k SSM3K15TE(F)
R190 10k
0
D12,13
SURGE PROTECTOR
SPo
50M
Note : The components marked with a dot (
AA
SCHEMATIC DIAGRAM
50M
AF AMP
IC28
TC75S51FE(F)
R175 C156
68k 220p
A
DC/AC CONVERTER
IC412
M62364FP-F
187mVrms
13 12
VIN5 VIN4
14 11
VoUT5 VoUT4
15 10
VoUT6 VoUT3
16 9
VIN6 VIN3
17 8 R460 100
D0 DI
18 7 R458 100
VDAREF CLK
19 6 R459 100
RESET LD
20 5
GND VDD
21 4 C462 0.1u
VIN7 VIN2
22 3
290mVrms
VoUT7 VoUT2
23 2
VoUT8 VoUT1
24 1
VIN8 VIN1
R461
22k
564mVrms
R462
OP AMP
22k
IC411
564mVrms
NJM2734V
1 14
AoUTPUT
DoUTPUT
2 13 R463
A-INPUT
D-INPUT
3 12 22k
A+INPUT
D+INPUT
4 11 C465
V+
GND
5 10 1500p
B+INPUT
564mVrms
C+INPUT
6 9
B-INPUT
C-INPUT
7 8 R464
BoUTPUT
CoUTPUT
100k
C461 0.1u C464
100p
A
BUFFER AMP
BUFFER AMP BUFFER AMP
Q7 Q8 Q9
2SD2114K(W) 2SD2114K(W) 2SD2114K(W)
R197 R204 R254
10k 10k 10k
D23,24 D29,30
SURGE PROTECTOR SURGE PROTECTOR
•
) are parts of layer 1.
AB
C166 0.01u R268 0
R255 0
TMP1
R256 0
TMP2
R257 0
RAMP
R258 0
FWD
R259 0
TXASSiST
R260 0
RXASSiST
R261 0
TX_CV
R262 0
RX_CV
R232 0
TXVCoB
R233 0
RXVCoA/B
R234 0
TXVCoA
R253 0
/RXPCS_TR
R235 0
LDT
R236 0
/16_8PCS
R237 0
LDR
R238 0
/TXPCS
L22
SPSCLK0
L23
SPSD0
R241 0
R242 0
R243 0
RSSi
R244 0
AGC
R231 0
R245 0
/EWP
R246 0
HWV1
R247 0
i2CCK
R248 0
SPSCLK1
R249 0
i2CDA
R250 0
SPSD1
R251 0
/ioCS
R252 0
SPSD1 /EVCS
SPSCLK1
/EVDSCS_EV
SB
SPSD1_DiS
/PSW
SR_STR_DiS
SPSCLK1_DiS
SR_oE_DiS
TXD2_DiS
/KEYi0
RXD2_DiS
/KEYi1
/KEYi2
KEYo0
KEYo1
VLi_DiS
C466
A
1u
CN45
CN46
EXT_RSSi
BUFFER AMP
Q10
2SD2114K(W)
R267
10k
D31,32,35,36
SURGE PROTECTOR
D28
SURGE PROTECTOR
R209 120
R222 100
R210 1k
R211 100
R212 100
R213 1k
R214 1k
R215
1k
R224 120
R225
1k
R216 1k
R217 1k
R223 1k
R218 1k
R219 1k
R220 470
R205 1k
R206 1k
R207 1k
R208 1k
R221 1k
D4-11,14-16,
18,20,22,26
SURGE
PROTECTOR
AC
NXR-710
R502
CN39 iF_SiG
0
(X57-7940-10)-CN802
A
CN38
1 TMP1
2 TMP2
3 RAMP
4 FWD
5 TXASSiST
6 RXASSiST
7 TX_CV
8 RX_CV
9 GND
MIC&TA
W:257mVrms
10 GND
N:129mVrms TD:69mVrms
11 TXVCoB
12 RXVCoA/B
13 TXVCoA
14 /RXPCS_TR
15 LDT
16 /16_8PCS
17 LDR
18 /TXPCS
19 SPSCLK0
20 SPSD0
21 SBC
22 GND
23 MoD
24 GND
25 RSSi
26 AGC
27 33A
28 /EWP
29 HWV1
30 i2CCK
31 SPSCLK1
32 i2CDA
33 SPSD1
34 /ioCS
35 /EVCS
36 NC
CN40
1 SB
2 SB
3 GND
L317 4 NC
R270 100 5 DAT
R271 100 6 PSW
R272 100 7 STB1
R273 100 8 CLK
R274 100 9
SoE
R275 100 10 TXD1
R276 470 11 K1
R277 100 12 RXD1
R278 470 13 K2
R279 470 14 K3
R265 470 15 K4
R266 470 16 K5
R280 100 17 VLi
L17 18 5C
R466 0 19 MiG
R467 0 20 MiC
40mVrms
CN41
SB
1
13.6V
CURRENT PROTECTOR
SB
L8 D37 2
3 GND
SMD185F-2
4 GND
A
80mVrms
12 SPG
11 SPG
10 RD
L9 9 RSi
8 SPi
L10 7 Ao1
L11 6 Ao2
5 SPo
4 SPo
L14 3 Ao3
L15 2 Ao4
L16 1 Ao5
CN42
CN43
1
SPo
2 SP
SPG
CN44
CN36
30 NC
CN37 29 NC
28 NC
27 NC(RSSi)
26 BER_CLK_D25
25 RXD0_D25
24 EXT_MoN_D25
23 TXD0_D25
22 /EPTT_D25
21 Ai1_D25
20 SC_D25
19 Ai2_D25
18 BER_DATA_D25
17 Ai3_D25
16 TXG
80mVrms
15 DG
400mVrms
14 io1_D25
13 TD_D25
12 io2_D25
11 TA_D25
10 io3_D25
9 RD_D25
8 io4_D25
7 RA_D25
6 io5_D25
5 RXG
4 io6_D25
3 SPM_D25
2 NC
1 NC
AD
TX-RX UNIT
1
2
3
4
5
6
7
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