Integra DTR-7.8 Service Manual page 16

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QQ
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SCHEMATIC DIAGRAMS-3 (SD-3)
POWER AMPLIFIER SECTION-1
1
2
TE
L 13942296513
3
4
www
5
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http://www.xiaoyu163.com
B
NACLA-9064
U19
+62.8V
POWER AMP
PC BOARD
+52.7V
C5011
R5001 R5021
+
1K 330
47/50
3
-0.6V
C5021
2
1 221K
-0.9V
1.8K
R5091
-11.0V
-59.3V
FRONT R
NACLA-9069
U24
+62.8V
POWER AMP
PC BOARD
+52.7V
R5006 C5016
R5026
+
1K 47/50 330
3
-0.6V
C5026
2
1 221K
-0.9V
1.8K
R5096
-11.0V
-59.3V
SURROUND
BACK R
NACLA-9067
U22
+62.8V
POWER AMP
PC BOARD
+52.7V
C5014
R5004 R5024
+
1K 47/50 330
3
-0.6V
C5024
2
1 221K
-0.9V
R5094
1.8K
-11.0V
-59.3V
SURROUND
R
NACLA-9065
U20
+62.8V
POWER AMP
PC BOARD
+52.7V
R5002 C5012
R5022
+
1K 330
47/50
3
-0.6V
C5022
2
221K
1
-0.9V
R5092
1.8K
-11.0V
-59.3V
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CENTER
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http://www.xiaoyu163.com
C
2 9
8
+64.8V
+B2R 15
R5231
+1.1V
R5181
+62.8V +63.4V
(1/4W)
33
0.0V
R5251
R5261
R6111
10K C6001
102J
IDLING
ADJ.
-63.3V
-1.1V
-64.8V
R5241 15
-B2R
15 (1/4W)
+64.8V
+B2SBR
R5236
+1.1V
33 (1/4W)
+62.8V +63.4V
R5186
0.0V
R5256
R5266
R6116
C6006
10K
102J
IDLING
-1.1V
ADJ.
-63.3V
Q Q
3 6 7 1 3 1 5
-1.1V
-64.8V
-B2SBR R5246 15
+64.8V (1/4W)
15
+B2SR
R5234
+1.1V
R5184
+62.8V +63.4V
(1/4W)
33
0.0V
56K
R5254
R5264
R6114
10K C6004
IDLING
ADJ.
-63.3V
-1.1V
-64.8V
-B2SR R5244 15
15 (1/4W)
+64.8V
+B2C
R5232
+1.1V
R5182
+62.8V +63.4V
(1/4W)
33
0.0V
R5252
R5262
R6112
C6002
10K
102J
IDLING
ADJ.
-63.3V
co -1.1V
(1/4W)
-64.8V 15
-B2C
R5242
.
NACLA-9064,65,67,69
are fully compatible with each other.
9 4 2 8
(1/4W)
+B1R
+65V
+BR
10
(1/4W)
R6311
56K
NFR
+0.6V
-0.6V
270K
-BR
(1/4W) -65V
-B1R
+B1SBR
+65V
+BSBR
10
(1/4W)
R6316
56K
NFSBR
+0.6V
-0.6V
270K
-BSBR
0 5 8 2 9 9 4 2 8
-65V
(1/4W)
-B1SBR
+B1SR
+65V
+BSR
10
(1/4W)
R6314
NFSR
+0.6V
-0.6V
270K
102J
-BSR
-65V
(1/4W)
-B1SR
+B1C
+65V
+BC
10
(1/4W)
R6312
56K
+0.6V
-0.6V
270K
m
-BC
-65V
-B1C
DTR-7.8
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