Integra DTR-7.8 Service Manual page 13

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAMS-2 (SD-2)
AUDIO SECTION
1
2
TE
L 13942296513
3
4
www
5
.
http://www.xiaoyu163.com
B
NAASP-9050(2/2)
U06
VIDEO5L
-15V
MainAL
GND
MainAR
+15V
VIDEO5R
MCH_C
MCH_SL
MainBL
TAPEOUTL
VIDEOOUTL
10
9
8
7
6
5
4
3
2
-15V
1
+15V
VIDEOOUTR
TAPEOUTR
MainBR
MCH_SR
MCH_SW
10
9
8
7
6
5
4
3
2
1
PZ2L
MCH_SBL
BTLL
BTLR
MCH_SBR
PZ2R
x ao u163
y
i
TO NAAR-9075
SD-8:F4
http://www.xiaoyu163.com
2 9
8
AMPLIFIER PC BOARD
22(1/2W)
-14.4V
R4302
22(1/2W)
R4301
+14.4V
Q Q
3 6 7 1 3 1 5
C4319 102J
R4335
R4331
10K
2
1
10K
3
C4321
47/50
Q4303A
NE5532AP
NE5532AP
5
Q4303B
R4332
6 7
C4322
47/50
10K 10K
R4336
C4320
102J
co
.
P4020A
TO NAAR-9075
SD-8:G4
C
9 4 2 8
180 1.5K
R4303 R4305
R4307 12K R4309 2.2K
R4311 R4313
12K 2.2K
FL
-14.4V
+14.4V
12K
R4312 R4314 2.2K
R4308 12K R4310 2.2K
R4304 R4306 1.5K
180
FR
-14.4V
+14.4V
0 5 8 2 9 9 4 2 8
-14.4V
+14.4V
m
P4021A
DTR-7.8
D
9 9
-14.4V
C4315
MIXL
R4337 10K Q
NE
NE
R4338
10K
R4339 MIXR
10K
C4316
47/50
+14.4V
_FR
_SL
_FL
_SBL
R4340
_SBR
10K
10K
R4341
10K
_SR
R4342
_C
9 9
_SW
R4343
10K
R4344
10K
R4345
10K
220/2
-8.5V
C440
2SC2712
Q4403
4
C
D
UDZS
R4403
2.2K
C4401
100/25