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A
B
SCHEMATIC DIAGRAMS-3 (SD-3)
POWER AMPLIFIER SECTION-2
NAAMP-9477(2/2)
U01
AMPLIFIER PC BOARD
1
NCETC-9478
NAETC-9480
U02
U04
Q6380
TO COOLING FAN
LM61CIZ
1
3
G
V
THERMAL
TERMINAL
SENSOR
PC BOARD
PC BOARD
C6710
105Z
TX-SR806/
DTR-7.9 only
JL4500B
TO NAVD-9505
JL6402A
SD-5:F4
2
JL6402B
1
VOLH
2
SEC1H
3
VPROTECT
4
5
6
7
+63.9V
+56.6V
PROTECT
3
Q6703
2SA1163-BL
Q6713
2SA1163-BL
4
R6903
+22V
47K
Q6707
2SC2712-GR
5
S1H+
4
3
2
1
P6900A
S1H-
F6901
S1L+
15A/250V
5
F6902
S1L-
15A/250V
1
S1L-
2
S1L+
3
GND_S1
4
5
GND_RL
6
+22V
7
GND_12V
C
Front L ch
+64.0V
+56.7V
+1.2V
+BL
+0.8V
7
NFL
GND_L
6
L_IN
5
4
+B1L
NFL
3
-B1L
2
+BL
1
-BL
-0.4V
R6040
-0.5V
2K
IDLING
P4500
ADJ.
-1.2V
-BL
-64.0V
-56.7V
Front R ch
+64.0V
+56.7V
+1.2V
+BR
+0.8V
7
NFR
GND_R
6
R_IN
5
4
+B1R
NFR
3
-B1R
2
+BR
1
-BR
-0.4V
R6041
-0.5V
2K
IDLING
ADJ.
-1.2V
-BR
-64.0V
-56.7V
Center ch
+64.0V
+56.7V
+1.2V
+BC
0.8V
+0.8V
7
NFC
GND_C
6
C_IN
5
4
+B1C
NFC
3
-B1C
2
+BC
1
-BC
-0.4V
R6042
-0.5V
2K
IDLING
ADJ.
-1.2V
-BC
-64.0V
-56.7V
R6902
1K
P6901A
TO SD-3:E1
GND_S1
4
1
+63.9V
+56.6V
D10XB60H
3
2
D6901
3
RL6902
P6011A Copper Plate
1
P6900B
4
3
2
2
4
1
RL6901
-63.9V
-56.6V
D10XB60H
D6903
JL6603A
2
1
TO NATRM-9488
P6902A
4
TO SD-3:E1
3
MODEL
DEST.
C6901,C6902
7
TX-SR706,DTR-6.9
DC,DD
12000/63V
6
TX-SR706,DTR-6.9
OTHER
12000/69V
5
TX-SR806,DTR-7.9
ALL
15000/71V
4
3
2
1
D
E
P6901B
P6902B
SD-3:C4,C5
SD-3:C4,C5
+B1L
-B
+B
L6000
IPRO
+0.6V
10
R6080
R6310
R6140
56K
10
(1/4W)
0.22(5W)
SPL
R6100
P6080
ID+
ID-
R6170
R6090
47K
VPRO
10
-0.6V
VOLH
L6010
D6000
R6180
47K
KDS4148U
-B1L
+B1R
L6001
IPRO
+0.6V
10
R6081
R6311
R6141
56K
10
(1/4W)
0.22(5W)
SPR
P6081
R6101
ID+
ID-
R6171
R6091
47K
VPRO
10
-0.6V
VOLH
L6011
D6001
R6181
KDS4148U
47K
-B1R
+B1C
L6002
IPRO
+0.6V
10
R6082
R6312
R6142
56K
10
(1/4W)
0.22(5W)
SPC
R6102
P6082
ID+
ID-
R6172
R6092
47K
10
VPRO
-0.6V
VOLH
D6002
R6182
L6012
KDS4148U
47K
-B1C
DC voltages in two lines indicate
the difference by models.
+xx.xV
TX-SR806,DTR-7.9
+yy.yV
TX-SR706,DTR-6.9
P5510C
P5510A
TO NAAF-9477
SD-4:A4
SD-1:H4
1
SPSBL
2
SPSL
3
SPL
4
SPC
5
SPR
6
SPSR
7
SPSBR
F
G
+B1SL
Surroun L ch
+64.0V
+56.7V
L6003
+0.6V
1.2V
+1.2V
+BSL
10
R6083
R6313
+0.8V
10
7
NFSL
(1/4W)
GND_SL
6
SL_IN
5
4
+B1SL
NFSL
3
-B1SL
P6083
2
+BSL
ID+
-0.4V
1
-BSL
ID-
R6043
-0.5V
2K
IDLING
ADJ.
R6093
10
-0.6V
-1.2V
-BSL
L6013
-64.0V
-56.7V
-B1SL
+B1SR
Surroun R ch
+64.0V
+56.7V
L6004
+0.6V
+1.2V
+BSR
10
R6084
R6314
+0.8V
10
7
NFSR
(1/4W)
GND_SR
6
SR_IN
5
4
+B1SR
NFSR
3
-B1SR
P6084
2
+BSR
ID+
1
-BSR
-0.4V
ID-
R6044
-0.5V
2K
IDLING
ADJ.
R6094
10
-0.6V
-1.2V
-BSR
L6014
-64.0V
-56.7V
-B1SR
+B1SBL
Surround
+64.0V
Back L ch
+56.7V
L6005
+0.6V
+1.2V
+BSBL
10
R6085
R6315
+0.8V
10
(1/4W)
7
NFSBL
GND_SBL
6
SBL_IN
5
4
+B1SBL
NFSBL
3
-B1SBL
P6085
+BSBL
2
ID+
1
-BSBL
-0.4V
ID-
R6045
-0.5V
2K
IDLING
ADJ.
R6095
10
-0.6V
-1.2V
-BSBL
L6015
-64.0V
-56.7V
-B1SBL
+B1SBR
Surround
+64.0V
Back R ch
+56.7V
L6006
+0.6V
+1.2V
+BSBR
10
R6086
R6316
+0.8V
10
7
NFSBR
(1/4W)
GND_SBR
6
SBR_IN
5
4
+B1SBR
NFSBR
3
-B1SBR
P6086
2
+BSBR
ID+
1
-BSBR
-0.4V
ID-
R6046
-0.5V
2K
IDLING
ADJ.
R6096
10
-0.6V
-1.2V
-BSBR
L6016
-64.0V
-56.7V
-B1SBR
VOLH
IPRO
VPRO
TX-SR806/SA806
H
IPRO
R6143
56K
0.22(5W)
SPSL
R6103
R6173
47K
VPRO
VOLH
D6003
R6183
47K
KDS4148U
IPRO
R6144
56K
0.22(5W)
SPSR
R6104
R6174
47K
VPRO
VOLH
D6004
R6184
KDS4148U
47K
IPRO
R6145
56K
0.22(5W)
SPSBL
R6105
R6175
47K
VPRO
VOLH
D6005
R6185
KDS4148U
47K
IPRO
R6146
56K
0.22(5W)
SPSBR
R6106
R6176
47K
VPRO
VOLH
D6006
R6186
KDS4148U
47K
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
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