Schematic Diagram - Power Amp Section; Power Supply Pc Board - Onkyo TX-SA605 Service Manual

A
SCHEMATIC DIAGRAM-2 (SD-2)
POWER AMP SECTION-1
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
1
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
NAETC-9144
THERMAL SENSOR
PC BOARD
2
3
4
NAPS-9143
U01 POWER SUPPLY
PC BOARD
P6903B (YEW)
P6900B (BLK)
5
P6904B (GRN)
B
!
ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
U01
LM61CIZ
Q6380
1 3
P6380 G V
C9005
104Z
JL6402A
TO NADG-9189
SD-5:A2
VOLH
SEC1H
GND_S1
+22V
PROTECT
2SA1163-BL
Q6703
R6701
2SC2712-GR
22K
2SC2712-GR
Q6702
P6903B
S1H+
S1H-
P6904B
4 S1L+
1
3
2
F6901
2
3
1 4
12A 250V
S1L-
F6902
12A 250V
TO AUDIO SECTION
NAAF-9142(2/2)
U01
Driver Transistor List
Type
ALL ALL (or)
C. NO
Q6030-36 2SC5171 2SC5993
Q6040-46
2SA1930 2SA2140
Power Transistor List
Type
Other PP
C. NO
Q6050-56 MN130 2SC5242
Q6060-66
MP130 2SA1962
+54.5V
Q6701
R6902
1K
Q6707
2SC2712-GR
RL6901
4 1
3 2
D10XB60H
D6901
1
3 2 4
4 1
RL6902
D10XB60H
D6903 2
1
4
3
SD-1:F5
TX-SR605/SA605/SA8560
C
AMPLIFIER PC BOARD
Center ch
5
NF
4
-B1
3
+B1
2
+B
1
-B
Front L ch
5
NF
4
-B1
3
+B1
2
+B
1
-B
Front R ch
5
NF
4
-B1
3
+B1
2
+B
1
-B
+54.5V
P6011A
1
-54.5V
CAPACITOR LIST
Type
C6901, C6902
10000/63
DD, DC
P, G, W, SA605/8560 10000/69
D
+B1C
+1.1V
R6020
+BC
Q6030
2.2(1/4W) 2SC5171
1.0V[1.0V]
R6080
+0.6V
0.22(1/4W)
NFC
P6080
-0.3V 2
ID+
1
ID-
-0.4V
R6090
R6040
-0.6V
2K
0.22
(1/4W)
-BC
Q6040
-1.1V
2SA1930
-B1C
+B1L
R6021 2SC5171
+1.1V
+BL
Q6031
2.2
(1/4W)
1.0V[1.0V]
R6081
+0.6V
0.22
(1/4W)
NFL
P6081
-0.3V 2
ID+
1
ID-
-0.4V
R6091
R6041
-0.6V
2K
0.22
(1/4W)
-BL
Q6041
-1.1V 2SA1930
-B1L
+B1R
2SC5171
+1.1V R6022
+BR
Q6032
2.2
(1/4W)
1.0V[1.0V]
R6082
+0.6V
0.22
(1/4W)
NFR
P6082
-0.3V 2
ID+
1
ID-
-0.4V
R6092
R6042
-0.6V
2K
0.22
(1/4W)
-BR
Q6042
2SA1930
-1.1V
-B1R
TO NAVD-9190
SD-4:H1
JL6603A
1
2
3
4
5
6
7