Service manual

A
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BCDEFGH I JK
L MN
RX-V559/HTR-5950/DSP-AX559
87
★ All voltages are measured with a 10MΩ/V DC electronic volt meter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
MAIN
SURROUND BACK L/R
FRONT L
SURROUND L/R
CENTER
10.2
38.6
10.5
8.2
36.8
36.8 36.8 36.836.8 36.8
10.0
10.0
10.2 10.5
4.8
4.2
4.8
4.8
4.2
4.3
4.8
4.3
0.1
0
8.2
0
0
0
0
0.1
0.1 0.1
0.1
0.1
59.9
59.8
0
0
0
0
0.1
5.0
0
036.9
36.9
36.9
36.9
0.1
-37.5
-36.5
-28.6
0
0
0
-29.2
-29.2
0
0
59.6
0.1
0.6
0.6
-0.5
-0.5
-0.5
-60.1
-1.0
-60.1
-57.7
-57.2
-57.2
-58.3
0.6
1.1
1.1
59.9
59.9
0.1
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0
0
0
-0.6
58.2
0
-0.6
58.2
58.2
58.8
58.2
59.3
1.1
1.0
58.8
-0.6
0
0
59.3
-0.6
0
-0.6
58.2
58.2
58.8
1.1
0
59.3
-0.6
0
-0.6
58.2
58.2
58.8
1.1
0
59.5
-0.6
0
-0.5
58.2
58.2
58.7
1.1
0
59.3
-0.5
0
-13.6
-58.2
-58.2
-59.1
1.1
0
-59.4
-13.6
0.1
0
59.6
0.1
0.6
0.6
-0.5
-0.5
-0.5
-60.1
-1.0
-60.1
-57.7
-57.2
-57.2
-58.3
0.6
1.1
1.1
59.9
59.9
0.1
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0.1
0
59.6
0
0.6
0.6
-0.5
-0.5
-60.1
-1.0
-60.1
-57.7
-57.2
-57.2
-58.3
1.1
1.1
59.9
59.9
0
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0
0
59.6
0
0.6
0.6
-0.5
-0.5
-60.1
-1.0
-60.1
-57.7
-57.2
-57.2
-58.3
1.1
1.1
59.9
59.9
0
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0
0
59.6
0
0.6
0.6
-0.5-0.5
-60.1
-1.0
-60.1
-57.7
-57.2
-57.2
-58.3
1.1
1.1
59.9
59.9
0
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0
0
59.6
0
0.6
0.6
-0.5
-0.5
-60.1
-1.0
-60.1
-57.2
-57.7
-57.2
-58.3
1.1
1.1
59.9
59.9
0
-1.0
-1.0
1.1
-1.0
-0.4
0
0
0
0
AC32.0AC19.8AC23.1 AC88.7 AC56.7
30.3 23.2
0
0.9 5.0
0
20.4 11.9
-21.0 -12.0
0
0
-12.9 -5.0
0
11.2
5.0
0
11.2
5.0
0
11.2
3.3
0
60.0 -60.1
0.1
0
-0.1 -0.1
20.4
-21.1
-0.1
-0.1
20.4
-21.1
13.8
13.3
30.4
0
0.1
0.1
11.8 11.5
11.2
11.8
11.8
0
0
5.0
-13.6
-54.2
-14.1
0
-14.1
4.5
4.2
-59.4
00
0
0
-58.9
0
4.8
4.2
-59.4 59.4
-58.3 -60.1
-48.7
-16.9
to TRANSFORMER
to TRANSFORMER
to DSP_CB9
Page 81
B9
to DSP_CB4
Page 81 B9
to MAIN (2)_W1002B
Page 87
J8
to DSP_CB57
Page 83
E1
to MAIN (1)_W1002A
Page 87
H9
to VIDEO_CB401
Page 88
B2
to FUNCTION (1)_CB206
Page 84
E8
to FUNCTION (1)_CB207
Page 84
E8
to OPERATION (4)_CB331
HTR-5950: Page 86
L7
RX-V559/DSP-AX559: Page 85
K6
MAIN (4)
MAIN (5)
MAIN (4)
MAIN (2)
MAIN (1)
IC107 : NJM2388F
Low dropout voltage regulator with ON/OFF control
GND
Cont
Vin Vout
2
1
4
3
Thermal
Protection
Bandgrap
Reference
ON/OFF
control
Over Voltage
Protection
Over Current
Protection
+
-
IC104 : NJM7812FA
Voltage regulator
INPUT
OUTPUT
COMMON
IC103 : NJM79M05FA
Voltage regulator
COMMON
OUTPUT
INPUT
IC105 : NJM79M12FA
Voltage regulator
COMMON
OUTPUT
INPUT
IC101: LM61CIZ
Temperature sensor
IC100, 102, 106 : NJM2388F
Low dropout voltage regulator with ON/OFF control
GND
Cont
Vin Vout
2
1
4
3
Thermal
Protection
Bandgrap
Reference
ON/OFF
control
Over Voltage
Protection
Over Current
Protection
+
-
RX-V559/DSP-AX559 models
U, C, R, T, K, G, E, L models: 0
J model: 0.01
U, C, R, T, K,
G, E, L models: 0
J model: 0.01
U, C, R, T, K, G, E, L models: 0
J model: 4700P
no-use
4.7/50
4.7/50
4.7/50
4.7/50
4.7/50
4.7/50
no-use
no-use
D1061
MTZJ2.4B