NAD C 320BEE, Руководство по обслуживанию

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Pr
el
im
in
ar
y
JK41
1 2 3 4 5
CZ44
PHONES SOCKET
N8C320D03
AC POWER CORD
C435
4n7/400V
SW42
POWER SWITCH
T401
1 2 3
CZ411
RED GRY BLK ORG
VIO
! !
!
C41
10n/250V
D41 KBU8D
C42
10n/250V
D45
KBU8D
C417
15000uF/50V 10%
C418
15000uF/50V 10%
Q418 C1815
Q417 A1015
D431
TIC116D
D432 TIC116D
R458 1K
R463 22K
R461 100
R462 1K
R460 1K R459 1K
R465 100 R464 22K
R431
0.05/3W 5% CE
R432 220
Q410 A1015
Q49 A1015
R434 2K2
R433 2M2
Q419 A1015
Q420 C1815
R466 4K7
D413 1N4002
R444 22K
C423 3300u/50V C424 2200u/50V
1 2 3 4
CZ48
1 2 3 4 5 6 7
CZ46
D426 1N4002
D424 1N4002
D427 1N4002
D425 1N4002
1 2 3
CB410
!
!
!
!
!
C5 10n
TO CHASSIS
F41 F42 F44 F43
! !
! !
!
!
H1 H2 L1 L2 G
GND GND +46V -46V
-37V +37V I-V AC DET. TRIG
NAD C320 RECTIFIERS CIR.
10%
10%
R12/2
22K
C
4
10n
O/P RELAY
L OUT R OUT
D412 1N4148
BINDING POSTS
R446 56K
R445 56K
C422
330u/16V
C421 4u7/50V
C432 0.22u
R443 150 1/2W FS
R441 15K
R442 56K
C420 100u/16V
PROTECTION CIR.
0V
0V
+3.25V
+2.16V
0V 0V
+2.0V
+18V
+46V
R478 100K
1
2 3
IC43A TL082D
R480 6K2
R482 4K7
R479 100K
C428
10u/25V
C425 10u/25V
R470 10K
R471 10K
D418 1N4148
D417 1N4148
R477 47K
R483 330K
R473 47K
R472 470K
C426
10u/25V
C429
10u/25V
R488 39K R487 39K
D420
1N4148
D419 1N4148
R486 560K
R474
1K
C430 10u/25V
R476 1K
C431
10u/25V
R490 100K R491 100K
4
5 6
7
8
IC43B TL082D
+18V
+18V
-18V
1 2 3 4 5 6 7
CB47 5PIN
-37V
+37V
1 2 3 4
CB49 4PIN
-46V
+46V
1 2 3 4 5
CB45 5PIN
R453 220/2W FP
R452
220/2W FP
R438 22K
R439 T0=90 degree C
Q412 C1815
POSISTOR
+18V
R45
33/0.5W FS
R41 680
R43 680
R47 680
C43 220u/50V
C413
220u/35V
Q41 2SD669A
C45 22p
R49 680
R411 680
R413 680
D49 18V
C47
47u/25V
C49
47u/25V
R414 2K2
R46 33 / 0.5W FS
R42 680
R44 680
R48 680
C44 220u/50V
C414 220u/35V
Q43 C1815
C46 22p
R410 680
C48 10u/25V
C410 47u/25V
R412 2K
Q42
2SB649A
Q44 A1015
C411
0.1u 10%
C412
0.1u 10%
R428 2K2 R429 5K1
MF MF
-37V
+37V
NAD C320 SUPPLY CIR.
63V
63V
+18V
-18V
Q411 A1015
R436 56K
R435 100K
R489 100K
R457 220K
R451 330K
D423 1N4148
R448 100K C434 22n/63V
R427 22/1W FP
Q413 D669
Q414 C1815
+37V
+12V
+18V
+12V Protection Soft Ind +5.6V +18V -18V
+5.6V
+18V
-18V
+12V
Remote Mute Pre Mute
5.6V
Standby
STANDBY
R11 470
C11 10u/16V
R15 22K
R14 100
Q12 A970 Q13 C2240
C12 470p
R19 39K R111 82 R112 82 R110 39k
C14 10u/35V
C13
10u/35V
Q14
C2240
Q15 A970
R115 33 R116 33
Q16
A1015 Q17 C1815
R119 47
R120 82
C18 22p
C19 22p
C15 220uF/63V
C16 220uF/63V
Q110 B649 Q111 D669
R124
3.3/0.5W FP
R125
3.3/0.5W FP
R128
330/0.5W FP
R129
330/0.5W FP
R123 47K
C110 47u/25V
C111 47u/25V
R126
2K7/2W FP
R127
2K7/2W
R130
82/1W R131 82/1W
R142 22 R143 22
R136 10
R137 10
Q112 D669
Q115
2SC5200
Q114
2SA1943
Q113 B649
R144
0.068/3W CE
R145 0.068/3W CE
R139 470
VR12 300
R153
1K2/2W 5% FP
R149
150/1/4W 1% MF
C116 2200u/6.3V
C117 0.1u 10% 63V
L11
1uH
R150 1/1W
R151 10/1W FS
C118 0.1u 10% 63V
C119 22n 10% 63V
C115 0.1u 10% 63V
C114
0.1u 10%
Q19 D667
Q18 B647
D13 1N4148
D15
1N4148
D14 1N4148
D16 1N4148
R121 100K
R122 100K
R21 470
C21 10u/16V
R25 22K
R24 100
Q22 A970 Q23 C2240
C22 470p
R29 39k R211 82 R212 82 R210 39k
C24 10u/35V
C23 10u/35V
Q24
C2240
Q25 A970 R215 33 R216 33
R203
82
Q26
A1015 Q27 C1815
R219 47
R220 82
C28 22p
C29
22p
C25 220uF/63V
C26 220uF/63V
Q210 B649 Q211 D669
R224
3.3/0.5W FP
R225
3.3/0.5W
R228
330/0.5W FP
R229
330/0.5W
R223
47K
C210 47u/25V
C211 47u/25V
R226 2K7/2W R227 2K7/2W
R230 82/1W
R231
82/1W
R242 22 R243 22
R236 10
R237 10
Q212 D669
Q215
2SC5200
Q214
2SA1943
Q213 B649
R244 0.068/3W CE R245 0.068/3W CE
R239 470
VR22 300
R253
1K2/2W 5% FP
R249
150 1/4 1% MF
C216 2200u/6.3V
C217 0.1u 10% 63V
L21
1uH
R250 1/1W FP
R251 10/1W FS
C218 0.1u 10%
C219 22n 10%
C215
0.1u 10%
C214 0.1u 10%
TP1
Q29 D667
Q28
B647
D23 1N4148
D25 1N4148
D24 1N4148
D26 1N4148
R221 100K R222 100K
R12 220K R22 220K
C212 470p
C213 470p
C112 470p C113 470p
R147 1K
Q11 C1815
Q12/1 A1015
R152 22K
R12/1
6K8
R148 15K
C120 22n 10%
D17 1N4148
R247 1K
R248 15K
R252 22K Q21 C1815
C220 22n 10%
D27 1N4148
MAIN-IN L-CH
MAIN-IN R-CH
R146
2K7/1W 1% MF
R246
2K7/1W 1% MF
R154 10
R155 10
R254 10
R255 10
Q116 KSC2690
Q216 KSC2690
R138 390 R238 390
FP
FP
FP
FS
FS
FS
FS
Q47 A1015
Q45 A1015
Q46 C1815
R417 100
R419 100
R418 100
R416 100
C415 10u/25V C416 10u/25V
R422 1.3K R423 1.3K R424 1.3K R425 1.3K
R420 36K
R421 36K
D411
20V
D410
20V
1 2 3
S41A
4 5 6
S41B
ON
OFF
TP4 TP3 TP2
FS
FS
FP
FP
FP
FS
FS
NAD C320BEE POWER AMP CIR.
63V
63V
63V
63V 63V
63V
63V
MF
MF
MF
Q203 C2240
C203
100uF/16V
R201 39K
R206 82
R205 39k
C204
100uF/16V
Q204 A970
-18V
+18V +18V
-18V
+46V
-46V
+46V
-46V
+46V
-46V
R202 220k R204 220k
D21 4.7V D22 4.7V D11 4.7V D12 4.7V
R103 82
Q103 C2240
C103
100uF/16V
R101 39k
R106 82
Q104 A970
C104 100uF/16V
R105 39k
R104 220k R102 220k
Q201 C2240 Q202 A970
R207 39 R208 39
Q101 C2240 Q102 A970
R108 39 R107 39
VR11 100
VR21 100
Q48 C1815
1 2
3
4
5
6
7
8
IC44 UPC1237HA
1
2
3
4
5
6
RL12/1
F1AA012V
1 2 3 4
SPKOUT SPKOUT
-46V
R401 4K7 D403 1N4148
STANDBY
D42 1N4148 D43 1N4148 R437 47K
STANDBY
1
2
3
IC41 LM7805
D401 DB104
D429 1N4148
C433 2200uF
C436 100uF
C17 0.1uF/63V
C27 0.1uF/63V
C12/1 47uF/25V
Q421 C1815
R469 10K
R468 22K
R467
T0=80 degree C
D428 1N4148
+18V
1 2 3 4 5 6 7
CB41 CON7
1 2 3 4 5 6 7
CZ41 CON7
1 2 3
CB42 CON3
1 2 3
CZ42 CON3
1 2 3
CB411 CON3
1 2 3
CZ411 CON3
F45 500mA/250V
R440 2K2
+18V
6.3A/250V X3
C320BEE ISC CIRCUIT
BC
E
2SC5200 2SA1943
EC
B
2SA970
2SC2240 2SA1015 2SC1815
TEXT
TEXT
TEXT
EC
B
2SB649 2SD669
1 2 3 4
5 6 7 8
OUT A
-IN A
+IN A
V-
V+ OUT B -IN B +IN B
TL082D
IN
OUT
GND
LM7805
UPC1237
12345678
TIC116D
A
KG
www.freeservicemanuals.info 11/24/2018
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