NAD T737 Service Manual page 54

SCHEMATIC DIAGRAM (AMP #1 PART)
+12V
C4102
220P
Q4101
KTA1268GR
FL_IN
10/50V R4101
C4101 220
R4103
33K
Q4301
KTA1268GR
C_IN
10/50V R4301
C4301 220
FL_IN FL_IN
GND
C_IN C_IN
GND
FR_IN FR_IN
GND
SL_IN
SL_IN
Q4201
GND KTA1268GR
BSL_IN BSL_IN FR_IN 10/50V R4201
GND
220
C4201
SR_IN SR_IN
GND
BSR_IN BSR_IN
C4402
220P
Q4401
KTA1268GR
10/50V R4401
SL_IN
220
C4401
R4403
33K
3-54
R4106
C4113
470K R4115
C4105
47/50V 4.7/0.25W
Q4115 Q4124
KSC2785Y
33P 2SD2560
Q4102 R4122
KTA1268GR
10K
R4105
R4112
33K VR410
3.3K
220
Q4112
KTD1028B
R4107
47K
Q4110 Q4116
KTC3200GR
2SB1647
R4116 1 2
FL CH
4.7/0.25W CN410
R4117
10
R4306
C4313
470K R4315
C4302 C4305
47/50V 4.7/0.25W Q4324
Q4315
KSC2785Y
220P 33P 2SD2560
Q4302 R4322
KTA1268GR
10K
R4305
R4312
33K
3.3K
VR430
220
Q4312
KTD1028B
R4303
33K
R4307
47K
Q4310
Q4316
KTC3200GR
2SB1560
R4316 1 2
C CH
4.7/0.25W CN430
R4317
10
R4206
C4213
470K R4215
C4202 C4205
47/50V 4.7/0.25W Q4224
Q4215 KSC2785Y
220P 33P
Q4202
R4222
KTA1268GR 2SD2560
10K
R4205
R4212
33K
3.3K
VR420
220 Q4212
KTD1028B
R4203
33K
R4207
47K
Q4210
KTC3200GR Q4216
2SB1647
R4216 1 2
FR CH
4.7/0.25W CN420
R4217
10
R4406
C4413 R4415
470K
C4405
47/50V 4.7/0.25W Q4424
KSC2785Y
Q4415
33P
Q4402
R4422
2SD2560
KTA1268GR
10K
R4405
R4412
33K
VR440
3.3K
220
Q4412
KTD1028B
R4407
47K
Q4410
Q4416
KTC3200GR
2SB1647
R4416 1 2
SL CH
4.7/0.25W CN440
R4417
10
OVER
B+
L4126
0.5uH
R4126
SR_IN 10/50V R4501
FL_CH
22
FL 220
R4127 C4501
22
FL
B-
B+
OVER
L4326
0.5uH
R4326
BSL_IN 10/50V R4601
CNT_CH
22 C4601 220
CNT
R4327
22
C
B-
B+
OVER
L4226
0.5uH BSR_IN 10/50V R4701
R4226
C4701 220
FR_CH
22
FR
R4227
22
FR
B-
R4823
560K
B+ C4823
2.2/50V
OVER
Q4821
FL_IN KTC3200GR
FR_IN
C_IN
SL_IN
SR_IN
BSL_IN Q4822
L4426
KTA1268GR
0.5uH BSR_IN
R4426
SL_CH
22
SL
R4427
22
SL
B-
R4506
C4513
R4515
470K
C4502 C4505
47/50V 4.7/0.25W
Q4515
220P Q4502 33P
Q4501
2SD2560 R4522
KTA1268GR KTA1268GR
10K
R4505
R4512
33K VR450
220 3.3K
Q4512
KTD1028B
R4503
33K
R4507
47K
Q4510
Q4516
KTC3200GR
2SB1647
R4516
1 2
4.7/0.25W CN450
R4517
10
C4517
100/100V
R4606
C4613
470K R4615
C4602 C4605
47/50V 4.7/0.25W
Q4615
220P 33P
Q4601 Q4602 2SD2560
R4622
KTA1268GR
KTA1268GR
10K
R4605
R4612
33K
3.3K
VR460
220 Q4612
KTD1028B
R4603
33K
R4607
47K
Q4610
Q4616
2SB1647
KTC3200GR
R4616 1 2
4.7/0.25W CN460
R4617
10
R4706
C4713
470K R4715
C4702 C4705
47/50V 4.7/0.25W
Q4715
220P 33P
Q4701 Q4702 2SD2560 R4722
KTA1268GR
KTA1268GR
10K
R4705
R4712
33K
VR470
3.3K
Q4712
KTD1028B
R4703
220
33K
R4707
47K
Q4710
Q4716
KTC3200GR
2SB1647
1 2
R4716
CN470 BSR CH
4.7/0.25W
R4717
R4825
10
22K
B+
R4828
B+2
0.1 5W
Q4825 Q4826
KTA1268GR KTA1268GR R4829
0.1 5W
R4831 R4832
2.7K/1.5K 150/680
R4827
560K T747 T737
1.5K
R4831 2.7K
R4832 150 680
R4826
-12V
2.2K
3-55
B+
OVER
Q4524
KSC2785Y
L4526
0.5uH
22
SR_CH
R4526
SR
22
R4527
SR
SR CH
B-
B+
OVER
Q4624
KSC2785Y
L4626
0.5uH
22
BSL_CH
R4626
BSL
22
R4627
BSL
BSL CH
B-
B+
OVER
Q4724
KSC2785Y
L4726
0.5uH
22
BSR_CH
R4726
BSR
22
R4727
BSR
B-
B+