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A
B
PRINTED CIRCUIT BOARD VIEW-4-2
U004
1
AMP (Audio IN/OUT)
PC board
BAASP-0458
2
3
4
DIP
5
C
PREWLMUT
1
SRZ3MUT
Z3MUT
P4511A
PRESRMUT
R4845
SWMUT
R4849
SPRLF
6
R4842
PRESBMUT
1
6
R4835
R4836
R4912
11
P4511A
Z2MUT
SBZ2MUT
AMUT
R4830
Z2VOLCK
11
R4829
VOLCLK
-7V
P4510A
R4827
VOLDATA
R4826
GNDA
U_Z2R
1
16
U_Z2L 2
R4825
+12.5VA
U_R
-12.5VA
16
U_L
U_GND
5
DACFL
AUX_R
DACFR
GNDAUX
DACSBL
DACSBR
AUX_L
DACC
10
R4823
DACSW
11
DACSL
12
DACSR
DACFRHW
DACFLHW
15
AD_L
AD_R
GNDA
GNDA
GNDA
20
R4822
R4807
R4744
C4746
C4743
R4806
R4743
Q4500
1
R4747
R4757
R4754
R4756
5
1
11
15
Q4502
C4753
R4510
R4751
R4507
R4508
R4509
R4534
C4506
R4506
R4538
R4540
R4501
R4504
C4501
C4809
B side view from A side
TX-NR708/HT-RC270/TX-NA708/DTR-40.2/DHC-40.2/TX-NR808/TX-NA808/HT-RC280/TX-NR1008/TX-NA1008/DTR-50.2
D
E
-12.6V
+12.6V
+7V
R4527
Q4501
R4784
R4783
C4780
R4780
R4782
Q4505
R4775
R4781
R4785
1
R4528
Q4620
R4802
Q4503
R4801
R4800
R4771
R4772
R4552
R4550
R4549
C4522
C4510
C4520
R4512
R4514
R4548
R4546
R4542
R4518
R4520
R4516
R4522
R4544
F
G
D
D
-12.6V
D4911
D4901
+12.6V
R4763
R4762
R4659
Q4629
R4669
Q4639
Q4631
1
1
Q4630
R4580
C4540
Q4628
R4679
R4590
R4636
Q4638
R4579
C4806
R4652
R4660
R4661
R4563
Q4621
D4506
R4662
R4650
R4651
C4533
D4516
R4562
R4560
R4561
C4532
C4530
C4531
Q4622
Q4623
Q4624
Q4625
R4574
R4578
C4539
R4665
R4701
C4805
C4541
R4581
R4570
R4526
R4564
C4535
R4575
R4571
C4534
D4505
R4565
D4515
D4517
C4807
D4518
H
GND
-
+
R4710
R4720
R4681
R4711
R4721
Q4640
R4731
R4611
Q4641
R4601
R4600
C4551
C4808
A side pattern
B side pattern
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