Onkyo TX-SR604 Service Manual page 23

E
Q6601
DTC123JKA
SPRLF
SPRLCS
02
3JKA
TC123JKA
Q6603
SPRLB
DTC123JKA
Q6604
D:+12V
P,W,G:+10V Q9021
SI-8008
R9028
1
VIN
0.47(1/2W)
5
SS
GND
D9022
RL1N4003
2
F
R6690
10(1/2W)
BA00JC5WT
D-TYPE ONLY
NCH-2541_470K
R9018
1
L9001 Vc
0
+6V
2 2
SW Vin
4
VADJ
Q9031
MPC2905HF
R9001 R9002 1 3
I O
3.3(2W) 3.3(2W)
RLGND
+22V
SPRLB
SPRLSB
SPRLCS
SPRLF
P/W/G-TYPE
(PURE AUDIO)
Q9022 R9017
0
VPOWER
5
Adj
+5V_VD
4
Vo
GND
NOTE
Q9031A
THE COMPONENTS IDENTIFIED BY MARK
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)
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
TX-SR604/604E/8460
G
01
+22V
02
RLGND
03
CSPE
NAETC-8918
04
LSPE
05
RSPE
U20
06
SLSPE
SPEAKER TERMINAL
07
SRSPE
08
PC BOARD
SBLSPE
09
SBRSPE
Zone 2
SBRSPE 4
SBLSPE 3
SPBROUT 2
SPBLOUT 1
C6647, 6648, 6657, 6658
EXCEPT D TYPE
GND_HD
4
3
2
1
LBC2518
047K
L4015 +5V_VDD
TO SD-4:G3
+5V_VD
HPDET 16
VPOWER 15
+5V_XM 14
GND_XM 13
+5VDIS 12
+5VDSP 11
GND_VD 10
GND_VD 9
+10VDSP 8
POFF 7
POFF2 6
APOWER 5
10S+12VD 4
-VP 3
FLAC1
2
FLAC2
1
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
H
SBL SBR