Onkyo TX-SR402 Service Manual page 18

A
SCHEMATIC DIAGRAMS-3
DRIVER AMPLIFIER SECTION
NAAF-7866
U08
1
DRIVER
AMPLIFIER
PC BOARD
2
3
NOTE
. THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
. VOLTAGE (MEASURED WITHVOLTMETER)
. 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.
4 . ELECTROLYTIC CAPACITORS (
. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF333- 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)
. CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
<Notes>
NC=No mount of parts.
[
Refer to the following table about the parts displayed by mark" "
NO.
Q5000-04,5010-14
Q5030-34
Q5040-44
Q5050-54
5
B
SL
R5093
82K
[100K]
Q5003
C5013
R5003
-0.1V
22/16
1K
R5013 R5023
56K 330
C5003
-43.3V
101K
[-56.5V]
R5043
2.2K
R5103 C5023
D5003
100K 10/50
MTZJ5.6B
SR
R5094
82K
[100K]
Q5004
C5014
R5004
-0.1V
22/16
1K
R5014 R5024
330
C5004 56K
-43.3V
101K
[-56.5V]
R5044
2.2K
R5104 C5024
D5004
100K 10/50
MTZJ5.6B
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL)
)ARE IN u F/WV.
PRINTING SIDE
IS DC VOLTAGE, AT NO INPUT SIGNAL.
] Values are for HT-R420
TX-SR402/ TX-SR8240
KTC3200-BL OR 2SC1775A-E,F OR 2SC1845-E
KTA1024-Y,O OR 2SA949-Y,O
KTC3206-Y,O OR 2SC2229-Y,O
KTC3199-GR,2SC1740S-R,S,2SC2458-GR
R5113
47.5V
1K
[60.7V]
C5073
C5033
NC
NC
Q5013
C5103
10/63
[0V]
[10/100]
0V
-0.7V
R5053
C5043
4.7K
220/16
[100/16] R5133
Q5053
18K
-44V -47.5V
R5063
[-57.1V]
[-60.6V]
1.2K
C5113
R5073 R5083
10/63
560 3.3K
[10/100]
R5114
47.5V
1K
[60.7V]
C5074
NC
C5034
NC
Q5014
C5104
10/63
[0V]
[10/100]
0V
-0.7V
R5054
C5044
4.7K
220/16
R5134
[100/16]
Q5054
C5094
18K
101J
-44V
-47.5V
R5064
[-57.1V]
[-60.6V]
1.2K
C5114
R5074 R5084
10/63
560 3.3K
[10/100]
HT-R420
KTC3200-BL OR 2SC1775A-E,F OR 2SC1845-E
KTA1024-Y,O OR 2SA949-Y,O
KTC3206-Y,O OR 2SC2229-Y,O
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
TX-SR402/8240/HT-R420
C
R5163
48.9V
120 (1/4W)
[62.1V]
R5183
48.1V
10
[61.5V]
(1/4W)
Q5033
1.0V
[1.0V]
C5053
47/50 NF
C5083
-B1
040D
+B1
B+
R5033
56K B-
C5093
101J
-1V
R5193
[-1V]
10
Q5043 (1/4W)
-48.1V -48.9V
R5173
[-61.4V] [-62.1V]
120(1/4W)
R5164
48.9V
120 (1/4W)
[62.1V]
R5184
48.1V
10
[61.5V]
(1/4W)
Q5034
1.0V
[1.0V]
C5054
47/50 NF
C5084
-B1
040D
+B1
B+
R5034
56K B-
-1V
R5194
[-1V] 10
(1/4W)
Q5044
-48.9V
-48.1V
R5174
[-61.4V] [-62.1V]
120(1/4W)
D