Onkyo HTR-548 SERIES Service Manual page 13

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-4
AMP. SECTION PART-4
1
MODEL NO. TX-NR609/NA609/HT-RC360/DTR-20.3/DTR-30.3
U0010
C6631
U0011 U0015
NM
BAAF-0628
Q6380
BAETC-0629 BAETC-0633
LM61CIZ
1 3
G V
MODEL
TX-NR609
T6 C6630
D2 Except
TX-NA609
A6 104Z
D3 DTR-30.3
1 2
D2
DTR-20.3 4 3 2 1
RC36 HT-RC360
Q6380A
P5509A
RETAINER
FROM PART 6(DG)
JL501A NSCT-3P874
FROM BADG-0643
2
U0014
VP BAETC-0632
1 FLAC1 VH
R960 Q960
2 FLAC2 D961 R961 FLAC1
8.2(1W) RL1N4003 3.3 2SC2235
3 SEC3_1 GND
4 SEC3_2 FLAC2
D960
5 RL1N4003 VH
1
R950 R951 10(1/2W)
NM
R953 R952 15(1/2W)
TO PART 10(DIS) TO PART 7(VIDEO)
TO PART 4(AMP)
3 TO BAPS-0667 TO BAVD-0664
TO BAAF-0628
TO BAPS-0675 TO BAVD-0672
NSCT-5P896
NSCT-5P896 NSCT-3P894
JL954A
JL951A JL952A
U0013
BAETC-0631
4
GND_AMP
SEC1OFF
VOLH
SEC1H
GND_S1
+24V
VPROTECT
D6715
PROTECT_VCC
IPROTECT
NM
R6715
0
Q6703 Q6702 Q6701
2SC2712-GR 2SC2712-GR
2SA1163-BL
5
R6701
22K
Q6713
2SA1163-BL
6
R6902
1K
Q6707
YEW
2SC2712-GR
P6903B
RL692
NRL-1P10A-DC12-196
4
1
S1H+ 3
5 2
7
NRL-1P10A-DC12-196
5
2
S1H- 3
1
4
GRN
RL691
P6904B
1 AC_S1L+ 1 S1L+
2 SN5051
3 F6901
TP6007
4
5 T6/A6/D2/D3/RC36
F6901 6902 12A 250V
SN5051 1
AC_S1L- S1L-
F6902
From Audio I/O
(PART 3)
8
TX-NR609/TX-NA609/HT-RC360/DTR-20.3/DTR-30.3
C D
SCHEMATIC DIAGRAM (PART-4) AMP SECTION
+B1L
AV=29dB
L
9
GND_L 8
L_IN 7
6
1 5
2 4 +BL 1V
3 3 +BL2
4 2 -BL2
5 1 TRIML
-0.3V
-B1L
+B1R
R
AV=29dB
9
GND_R 8
R_IN 7
6
5
4 +BR 1V
3 +BR2
2 -BR2
1 TRIMR
-0.3V
-B1R
+B1C
AV=29dB
C
9
GND_C 8
C_IN 7
6
5
4 +BC 1V
3 +BC2
2 -BC2
1 TRIMC
-B1C
P6901A
GND_AMP
+B1H_B
NRL-1P10A-DC12-140
RL694
4 1
RELAY
(1/2W)
3 2
0.1
4 1 P6011A
R6906
1
RL693
D6901
4 1
D10XB60H
RELAY
RAD-196
3 2 D6901A
-B1H_B
NRL-1P10A-DC12-140
JL603A NSCT-9P900
TO PART 8(SP TRM)
D6903 1SS352
TO BATRM-0647
C6917 102J
P6902A
P6100 P6102 P6103 P6104
JL620A NSCT-7P878
TO PART 8(SP TRM)
TO BATRM-0647
E F
P6901B P6902B
#18 #18
-B +B
61.5V
Q6050
2SC4468
0.5V 2SC5242
Q6070
R6140 2SC2229
56K
R6100
NFL SPL
P6080 0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6060
2SA1695
R6170
-0.5V 2SA1962
47K VPRO
VOLH
D6000 R6180
47K
KDS4148U
-61.5V
61.5V
Q6051
2SC4468
2SC5242
0.5V Q6071
R6141 2SC2229
56K
R6101
NFR SPR
P6081
0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6061
2SA1695
R6171
-0.5V 2SA1962
47K
VPRO
VOLH
D6001 R6181
47K
KDS4148U
-61.5V
61.5V
Q6052
2SC4468
0.5V 2SC5242
Q6072
R6142 2SC2229
56K
R6102
NFC SPC
P6082 0.22(5W)
NPLG-2P29
2
ID+
1
ID-
0
(NH)
R6301
Q6062
2SA1695
R6172
-0.5V 2SA1962
47K
VPRO
VOLH
D6002 R6182
-0.3V KDS4148U 47K
-61.5V
R
PCB HOLD
4
4 3 2 1 4 3 2
P6010B
P6007B
P5505A L
PCB HOLD
P6600A NSAS-26P1775
TO PART 8(SP TRM)
TO BATRM-0647
JL600A
TO PART 8(SP TRM)
TO BATRM-0647
G H
+B1SL
SL
AV=29dB
9
GND_SL 8
SL_IN 7
6 NFSL
5
4 +BSL 1V
3 +BSL2
2 -BSL2
1 TRIMSL
-0.3V
-B1SL
+B1SR
SR
AV=29dB
9
GND_SR 8
SR_IN 7
6 NFSR
5
4 +BSR 1V
3 +BSR2
2 -BSR2
1 TRIMSR
-0.3V
-B1SR
+B1SBL
SBL P
AV=29dB
Except D2
9
GND_SBL 8
SBL_IN 7
6 NFSBL
5
4 +BSBL 1V
3 +BSBL2
2 -BSBL2
1 TRIMSBL
-0.3V
-B1SBL
+B1SBR
SBR P
AV=29dB
Except D2
9
GND_SBR 8
SBR_IN 7
6 NFSBR
5
4 +BSBR
1V
3 +BSBR2
2 -BSBR2
1 TRIMBSR
3 2 1
P6009B
-0.3V
1 4 3 2 1
-B1SBR
P6008B
VOLH
IPRO
VPRO
D2
OTHER
-1E/-1F/-1K
Table: P 0 X 5.1CH AMP
TX-NR609/TX-NA609/HT-RC360/DTR-20.3/DTR-30.3
I J K
61.5V
Q6053
2SC4468
0.5V 2SC5242
Q6073
R6143 2SC2229
56K
R6103 SPSL
P6083 0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6063
2SA1695
R6173
-0.5V 2SA1962
47K VPRO
VOLH
D6003 R6183
47K
KDS4148U
-61.5V
61.5V
Q6054
2SC4468
2SC5242
0.5V
Q6074
R6144
2SC2229
56K
R6104 SPSR
P6084 0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6064
2SA1695
R6174
-0.5V 2SA1962
47K
VPRO
VOLH
D6004 R6184
47K
KDS4148U
-61.5V
61.5V
Q6055
2SC4468
0.5V 2SC5242
Q6075
R6145
2SC2229
56K
R6105 SPSBL
P6085 0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6065
2SA1695
R6175
-0.5V 2SA1962
0 47K
VPRO
R6305
VOLH
D6005 R6185
KDS4148U 47K
-61.5V
61.5V
Q6056
2SC4468
0.5V 2SC5242
Q6076
R6146
2SC2229
56K
R6106 SPSBR
P6086
0.22(5W)
NPLG-2P29
2
ID+
1
ID-
(NH)
Q6066
2SA1695
R6176
-0.5V 2SA1962
47K
VPRO
VOLH
D6006 R6186
KDS4148U 47K
-61.5V