Power Amplifier Section Schematic Diagram - Onkyo HT-R330 Service Manual

A
SCHEMATIC DIAGRAMS-4
POWER AMPLIFIER SECTION
1
Refer to following table about the parts displayed by mark "
Transistors
CIRCUIT NO. DESCRIPTION
Q6010 - 6015 2SC1740S-S
Q6020 - 6025
2SC1740S-S
Q6030 - 6032 2SC5171, 2SC5993-Q, P
Q6033 - 6035 2SC5171, 2SC5511-E
Q6040 - 6042
2SA1930, 2SA2140-Q, P
Q6043 - 6045 2SA1930, 2SA2005-E
Q6050 - 6052 2SC5198-O, R, MN130S-Y, P, O
Q6053 - 6055 KTC5242A-O, R, MN130S-Y, P, O
Q6060 - 6062 2SA1941-O, R, MP130S-Y, P, O
2
Q6063 - 6065 KTA1962A-O, R, MP130S-Y, P, O
Q6070 - 6075 2SC2240-GR, BL
Q6701, 6702 2SC2240-GR, BL, KTC3200-GR, BL
Q6703 KTA1268-BL, GR, 2SA992-E, F
2SA1123-R
Q6901 KTC3199-GR, 2SC2458-GR,
2SC1740S-R, S
NOTE
THE COMPONENTS IDENTIFIED BY MARK
3
REPLACE ONLY WITH PART NUMBER SPECIFIED.
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 (
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.
<Note>
NC=No mount of parts.
4
5
B
".
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
C
NAAF-8523 (2/2)
U05
AMPLIFIER PC BOARD
R6023 2.2
SL
(1/4W)
R6033
1.0V
470 1.1V
R6003
5.6K
R6013
3.9K
NF
-B1
-0.3V
+B1
B+
IDLING Q6023
B- R6043
ADJ.
2K
-0.4V
R6053
3.3K
-1.1V
-50.2V
R6024 2.2
SR
(1/4W)
R6034
470
1.0V
1.1V
R6004
5.6K
R6014
3.9K
NF
-B1
-0.3V
+B1
B+
IDLING
Q6024
B-
R6044
ADJ.
2K
-0.4V
R6054
3.3K
-1.1V
-50.2V
SBL
R6025 2.2
(1/4W)
R6035
Subwoofer
470
1.0V 1.1V
Channel
R6005
5.6K
R6015
3.9K
NF
-B1
-0.3V
+B1
B+
IDLING
Q6025
B-
R6045
ADJ.
2K
-0.4V
R6055
-1.1V
3.3K
-50.2V
J011 J011A
J010 J010A
C6901, 6902 : 10000 / 63
D6904, 6905 : D5SBA20, RBV602, RS603M-B42
D6905
D6904
C6901
C6902
C6903
104J
F6901
!
P6906
8A/125V
D6901,6902 :
RL1N40003, GP104003E
JL6951A
TO NAPS-8524
HT-R330
D
Q6033
50.2V
R6163
R6083
33K
0.22
Q6053
(1/4W)
R6143
0.6V
0.6V
22K
P6083
R6073
120
R6103 ID+
(1/4W) 0.22 X2
ID-
(2W)
R6153
12K
C6043
-0.6V
47/50 C6053
-0.6V Q6063
NC
R6193
R6093
220K
0.22
(1/4W)
Q6043
50.2V
Q6034
R6164
R6084
33K
0.22
Q6054
(1/4W)
R6144
0.6V
0.6V 22K
P6084
R6074
120
R6104
ID+
(1/4W)
0.22 X2
ID-
(2W)
R6154
12K
-0.6V
C6044
47/50
C6054
-0.6V
Q6064 NC
R6194
R6094
220K
0.22
(1/4W)
Q6044
50.2V
Q6035
R6165
R6085
33K
0.22
Q6055
(1/4W)
R6145
0.6V 0.6V
22K
P6085
R6075
220
R6105
ID+
(1/4W)
0.22 X2
ID-
(2W)
R6155
12K
-0.6V
C6045
47/50
C6055
-0.6V
NC
Q6065
R6195
R6095
220K
0.22
(1/4W)
Q6045
!
RL6902
F6902
!
8A/125V
D6906
RL6901
!
P997
P995
P996
TO NAPS-8524
NC
Q6073
D6003
R61
47
R6183
47K
C6233
473J
R6233
8.2 (1W)
Q6074
D6004
R6174
R6184
47K
47K
R6234
8.2(1W)
C6234
473J
Q6075
D6005
R6175
R6185
47K
47K
R6235
8.2(1W)
C6235
473J
C6920
R6902
1K
Q6901
JL6952A