Amp. Final Stage Section - Onkyo TX-NR809 Service Manual

A B
SCHEMATIC DIAGRAM-7

AMP. FINAL STAGE SECTION

PART-6
1
U0011
V-AMP. CIRCUIT PC BOARD
BACLA-0445
U001 BAAMP-0444(2/2)
BACLA-0445
ADJUSTMENT OF IDLING CURRENT
a. Set the voltages at P6090～6096(NR709/NA709/DTR40.3/HTRC370) to 1.5mV by adjusting R5440～5446,
Set the voltages at P6070～6078(NR809/NA809/NR1009/NA1009/DTR50.3) to 3mV by adjusting R6040～6048,
under the condition of no input and no load, immediately after POWER ON.
2
b. Re-adjust by following procedure after 4～6 minutes of heat running.
*Set R5440-5446/R6040-6048 to minimum position before POWER ON.
*Equip series 1/4W 100-ohm resisters near the terminal respectively
3
L
C5010
47/50(UTSP)
R5000
3
2 1.5K
4
SL
5
C5013
R5003 47/50(UTSP)
3
2 1.5K
6
SBL
C5015
7
R5005 47/50(UTSP)
3
2
1.5K
8
4 3 2 1
E6008B
NTM-1P233(M1969)
C D
L/C/R SL/SR/SBL/SBR/FHL/FHR
Below 4mV 4mV Below 4mV
Between 4～6mV Leave it as it is. Between 4～6mV
Over 6mV 6mV Over 6mV
※Only TX-NR1009/NA1009 adjust FHL/FHR.
in the each poles of the jig used for P6080-6086/P6070-6078 terminals.
R5180
+60.5V
10
(1/4W)
+58.5V
R5420
+BL
1
10
(1/4W)
+1.0V
+58.0V
R5030
R5020 33K
330
0V
-0.2V
-0.9V
R5040
-0.3V
1K 2
-55.1V
-1.0V
-58.7V
2
3
R5190
-60.5V
10 (1/4W)
R5183
+60.5V
10
(1/4W)
+58.5V
R5423
+BSL
1
10
(1/4W)
+1.0V
+58.0V
R5033
R5023 33K
330
0V
-0.2V
-0.9V
R5043
-0.3V
1K 2
-55.1V
-1.0V
-58.7V
2
3
R5193
-60.5V
10 (1/4W)
R5185
+60.5V
10
(1/4W)
+58.5V
R5425
+BSBL
1
10
(1/4W)
+1.0V
+58.0V
R5035
R5025 33K
330
0V
-0.2V
-0.9V
R5045
-0.3V
1K 2
-55.1V
-1.0V
-58.7V
2
3
R5195
-60.5V
10 (1/4W)
E F
+60.5V
C
C5012
47/50(UTSP)
R5002 R5022
3
2 330
1.5K
4mV
Leave it as it is. R5042
1K
6mV
-55.1V
-60.5V
+B1L +60.5V
R
L5400
5597-45502 NFL 1
+B1L 4
R5350 R5480
-B1L 5
C5011
10 +BL 6
18 +0.6V
(1/4W) 47/50(UTSP)
R5001 R5021
+BL2 7 3
C5440
-BL2 8 2 1.5K 330
22/50(UTSP)
TRIML 9
R5360 -0.6V R5490
R5041
18 10
(1/4W)
1K
L5410
5597-45502
-55.1V
-B1L -60.5V
+B1SL +60.5V
SR
L5403
5597-45502 NFSL 1
+B1SL 4
R5353 R5483
-B1SL 5
C5014
18 +0.6V 10 +BSL 6
(1/4W) R5004 47/50(UTSP)
+BSL2 7 3 R5024
-BSL2 8 2 1.5K 330
TRIMSL 9
R5363
-0.6V R5493
R5044
18 10
(1/4W)
1K
L5413
5597-45502
-55.1V
-B1SL -60.5V
+B1SBL +60.5V
SBR
L5405
5597-45502 NFSBL 1
+B1SBL 4
R5355 R5485 -B1SBL 5
C5016
18 +0.6V 10 +BSBL 6
(1/4W) R5006 47/50(UTSP) R5026
+BSBL2 7 3
-BSBL2 8 2
1.5K 330
TRIMSBL 9
R5365
-0.6V R5495
R5046
18 10
(1/4W)
1K
L5415
5597-45502
-55.1V
-B1SBL -60.5V
P6007B
NSCT-3P2183
G H I
R5182
+B1C
10
(1/4W)
+58.5V
R5422
+BC
1
10
(1/4W)
+1.0V
+58.0V
R5352
18
R5032
(1/4W)
33K
0V
-0.2V
R5362
-0.9V
18
-0.3V
(1/4W)
2
-1.0V
-58.7V
2
3
R5192
-B1C
10 (1/4W)
R5181
+B1R
10
(1/4W)
+58.5V
R5421
+BR
1
10
(1/4W)
+1.0V
+58.0V
R5351
18
R5031
(1/4W)
33K
0V
-0.2V
R5361
-0.9V
18
-0.3V
(1/4W)
2
-1.0V
-58.7V
2
3
R5191
-B1R
10 (1/4W)
R5184
+B1SR
10
(1/4W)
+58.5V
R5424
+BSR
1
10
(1/4W)
+1.0V
+58.0V
R5354
18
R5034
(1/4W)
33K
0V
-0.2V
R5364
-0.9V
18
-0.3V
(1/4W)
2
-1.0V
-58.7V
2
3
R5194
-B1SR
(1/4W)
10
R5186
+B1SBR
10
(1/4W)
+58.5V
R5426
+BSBR
1
10
(1/4W)
+1.0V
+58.0V
R5356
18
R5036
33K (1/4W)
0V
-0.2V
R5366
-0.9V
18
-0.3V (1/4W)
2
-1.0V
-58.7V
2
3
R5196
-B1SBR
10 (1/4W)
TX-NR709/TX-NA709/HT-RC370/DTR-40.3
J K
L5402
5597-45502
NFC 1
+B1C 4
R5482 -B1C 5
10
+0.6V +BC 6
+BC2 7
C5442 -BC2 8
22/50(UTSP) TRIMC 9
-0.6V R5492
10
L5412
5597-45502
L5401
5597-45502 NFR 1
+B1R 4
R5481
-B1R 5
10 +BR 6
+0.6V
+BR2 7
-BR2 8
C5441
22/50(UTSP) TRIMR 9
-0.6V R5491
10
L5411
5597-45502
L5404
5597-45502 NFSR 1
+B1SR 4
R5484
-B1SR 5
+0.6V 10 +BSR 6
+BSR2 7
C5444 -BSR2 8
22/50(UTSP)
TRIMSR 9
-0.6V R5494
10
L5414
5597-45502
L5406
5597-45502 NFSBR 1
+B1SBR 4
R5486 -B1SBR 5
+0.6V 10 +BSBR 6
+BSBR2 7
C5446 -BSBR2 8
22/50(UTSP)
TRIMSBR 9
-0.6V R5496
10
L5416
5597-45502