Integra DTR-4.5 Service Manual page 10

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAM 1
1
1
3
2
+5VDSP
+12VA
-12VA
GND 1
3
3
TE
L 13942296513
3
0 R480
0 R479
4
Q421
BD3814
40
AGND10
+ 39
VCC
38
AGND9
37 Z2BDCLK
CL
36 Z2BDDAT
LOGIC DA
+ 35 Z2BDMUT
MUTE
34
DGND
33
AGND8
32
OUTSW
31
OUTSR
30
OUTSL
29
OUTC
28
OUTFR
27
OUTFL
C419 104J
26
BNF2L
25 C417 104J R451
BNF1L
BASS
24 C420 104J 4.7k
BNF2R
23 C418 104J R452
BNF1R
TREBLE
C415 472J 4.7k
22
TNFL
C416 472J
21
TNFR
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Preamplifier section
Q909
2SA1726
PURE AUDIO
1SS352
R911
D901
R905
0
0
Q911
78L05HF R913
3
O I
33
Q910
2
O I
79M05FA
D902
R906
100 2W
1SS352
Q904 R903
2SA1726
0
Q903
78L05HF
3
O I
Q901
78M12HF
R901
1
O I
12
R902
2
O I
56
79M12HF
Q902
SL_VO
SR_VO
CT_VO
FL_VO
FR_VO
NJM4565M-D
C388
+ 6
7
10/16
Q307:A
5
R388
10K
C390 103J
R462 0
R460 0
R459 0
R461 0
x ao
y
DAC_SR
i DAC_SL
DAC_CT
DAC_SW
DAC_FL
DAC_FR
MSL
MSR
MCT
MSW
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B
8
TO NAPS-8389 (SCH. 6)
C391
103J
Q901B
Val
1
hs
C401 R401 R409
+
100
RN1441
47/16 2.2K
Q402
Q404
2.2K
C402 RN1441
100
+
R410
47/16 R402
C403 R403
R411
+
47/16 100
2.2K
C404
2.2K
100 RN1441
+
R412
R404
Q Q
47/16
3 6 7 1 3
R407
C407 R415
+
100 RN1441
2.2K
47/16
RN1441
Q415
C408
RN1441
270 100
+
R408
R416
AMUTD
SBZ2MUTD
Z2LPMUTD
4.7/50
+
C439
4.7/50
+
C440
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SCH. 2 DSP Section
C
2 9 9 4 2 8
R499
SYSIN
330
+24V
GND
-24V
TRG12V
+56S
Q406
RN1441
Q408
1 5 0 5 8 2 9 9 4
Q414
Q416
R427
100k
R498
100k
R428
100k
R485
2.2K
Q427
RN1441
RN1441
Q429
2.2K
R486
m
co
DTR-4.5
D
9 9
RI
P424
JL9502B
1
2
3
4
5
6
7
P308
1
2
3
4
5
6
7
8
9
10
11
12
2 8 9 9
R350
3
330
1
ZONE2
R349 LINE/PREOUT
2
330
4
C450
104Z