Integra DTR-30.1 Service Manual page 77

A
SCHEMATIC DIAGRAMS-1 / PART-3
AUDIO SECTION
QQ
3 7 6 3 1 5 1 5 0
1
BAAF-0014(1/2)
U001 AMPLIFIER PC BOARD
P7900
R5733
NM
RI
TX-SR607 DD/DC / DTR-30.1 / HT-RC160 ONLY
2
P7906
11
GND
10
SHIELD
9
SHIELD
8
L_OUT
7
AGND
SIRIUS
6
TX
5
R_OUT
4
GND
3
RX
2
RESET
C5616
1
VIN
100N
TX-SA607 ONLY
P7901
R
TUNER
3
L
P7902
R5503
R
CD
R5504
L
R
TAPE_OUT
L
P7903
4
R
TAPE
R5508
L
R
T E
L 1 3 9 4 2 2 9 6 5 1 3
GAME/TV
L
C5705
P7904
R
CBL/SAT
L
5
R
VCR/DVR
OUT
R5516
L
P7905 C5703
R
VCR/DVR
L
R
6
DVD
R5520
L
7
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
BOLD VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/6 WATT UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
www
EX) PRINTING SIDE
"NM" AND "NC" ARE SHORT FOR "NOT MOUNTED" AND "NOT CONNECTED",
WHICH MEANS NO PART IS MOUNTED ON WIRING PATTERN OF PCB.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
8
.
http://www.xiaoyu163.com
B
TO BADG-0025 TO BAVD-0038
PART-5:L7
P5501B
NM LBC2518T2R2M
R5500
L5501
C5715
330
R5521 R5735
0 0
100K
R5563
152J
R5561
C5611
R5564
1.5K
100K
R5562
C5612 152J
1.5K
C5613
NM
R5565
0
47K 100K
R5501
330
R5568 R5580
R5567 R5581
R5502
47K
100K
330
C5701
NM
330
330
R5505
2.2K
R5506
2.2K
C5712
102J
R5507
330
330
R5509
330
R5510
330
102J
R5513
330
R5514
330
R5515
2.2K
2.2K
102J
R5517
330
R5518
330
R5519
330
330
C5704
102J
!
ARE CRITICAL FOR SAFETY.
) ARE IN uF/WV.
x a o
y
i
C
8
TO BADG-0025
PART-6:F8 PART-5:L7
JL5502A
P5502B
+15.0V
-15.0V
R5578
100K
47K R5569
47K
R5579
80
N.C.
79
IN-L9
78
IN-R9
77
N.C.
76
INLA/RECL1
75
INRA/RECR1
74
N.C.
73
IN-L8
72
IN-R8
71
IN-L7
70
IN-R7
69
IN-L6
68
IN-R6
67
IN-L5
66
IN-R5
65
IN-L4
64
IN-R4
AUDIO PROCESSOR
63
IN-L3
(SELECTOR, TONE, VOL)
62
IN-R3
61
IN-L2
60
IN-R2
59
IN-L1
58
IN-R1
Q Q
57
N.C.
3 7 6 3 1
47/50 56
AGND
C5560
55
ADCR
54
ADCL
53
C5561
N.C.
47/50 52
AVEE
51
MUTE
DTR-30.1/DTR-20.1 ONLY
u 1 6 3
.
D
NOTE:
2 4 XY in "SCHEMATIC-a / PART-b:XY" indicates the target
9 9 8
location of the plug or socket, X=A to E/H/K, Y=1 to 4/5/8.
TX-SA607 ONLY
TO BADG-0026
TO BADG-0026
PART-8:H4 PART-8:H3
P6611B P6612B
P5508
EXCEPT
TX-SA607
0
0
R5700
R5701
VLSC_CT
VLSC_SW
220K
R5692
220K
R5695
220K
R5696
220K
R5693
220K
R5694
1
N.C.
C5556 47/25
2
SBLC
3
SBL-OUT
4
AGND
5
SBR-OUT
C5555 47/25
6
SBRC
7
AGND
C5554 47/25
8
SLC
9
SL-OUT
10
AGND
11
SR-OUT
C5553 47/25
12
SRC
13
N.C.
C5557 47/25
14
SWC
Q5501
15
SW-OUT
16
R2A15218FP
AGND
17
C-OUT
C5552 47/25
18
CC
19
AGND
C5551 47/25
20
FLC
21
FL-OUT
22
AGND
23
FR-OUT
C5550 47/25
24
FRC
5 1 5 0 8 9 2 4
25
N.C.
C5565 474J
26
BASS_L1
R5585
27
BASS-L2
28 C5566 823J
1.8K
TREL
29 C5567 223J
N.C.
30
AVCC
+7.5V
R5805
5.1K
EXCEPT
0 5.1K
DTR-20.1
DTR-30.1
R5725
R5806
-7.5V
2SA1015
Q5685
NJM4580M
3
Q5503:A
47/25
DMIXR
R5591
1 2
C5709
10K
R5590
R5592 R5593
10K
C5590
470 1.2K
330J
R5594 10K
R5595 10K
330J C5591
R5596 R5597
R5598
10K
470 1.2K
5
Q5503:B
47/25
DMIXL
R5599
7
6
C5710
10K
Downmix
-15.0V
JL6065A
TO NAETC-0067
PART-17:B2
m
c o
E
2
9 9
TO BAD
TO BADG-0026
PAR
PART-8:H2
P6613B P5503B
+15.0V
-15.0V
47/50
C5630
0
R572
9 8 2 9 9
+15.0
R5674
100
R5684
1.2K
JL6606A
1.2K
R5685
-15.0V
R5675
100
+15.0V