Sp Terminal Section; Table Of Contents - Onkyo TX-SR875 Service Manual

A
SCHEMATIC DIAGRAM-7 (SD-7)

SP TERMINAL SECTION

1
2
3
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NOTE
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.
4
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.
5
B
NATRM-9055
U11 SP TERMINAL PC BOARD
F9101
4A D3SBA20
D9105
F9102
4A
P9104
1
2
3
R9112
4
0.22(1/2W)
5
6
D10XB60H
D9103
J9108
J9106
!
ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
PRINTING SIDE
2SB1565-E
Q4901
0.22(1/2W)
R4901
+14.4V
Q4905
2SK365-GR
Q4906 2SK365-GR
JL4014A
+15V
-14.4V
-15V
GND
R4902
Q4902
0.22(1/2W) GND
RLGND
2SD2394-E
+12V
+13.5V
GND
+12VTRG
GND
JL2601A
Q9103
NJM2388F09
+9.0V
C9106
J9107
1/50
NAETC-9056
U12
SP TERMINAL PC BOARD
C
6
5
4
3
2
1
1
2
3
GNDTU
SPRLZ2
SPRLSB
SPRLCS
SPRLF
GNDTU
16 +9VTU
15 POFF2
14 +9V
13 GNDDG
12 +5.3VXM
11 DIGSDI
10 DIGSDO
9 DIGCLK
8 DAC2CS
7 DAC1CS
6 DACRST
5 DACCR
4 DACSWR
3 DACSBL
2 DACSBR
1 DACFL
14 DACFR
13 DACC
12 DACSW
11 DACSL
10 DACSR
9 GNDA
8 GNDA
7 ADL
6 ADR
5 SPDIFSW
4 MEQMUT
3 RI
2 -15VDG
1 +15VDG
24 HDPCMSW
23 DSDRCSW
22 DIRSW
21 DSDDISW
20 DSP1DEC
19 DSP1NIC
18 DSP1CS
17 DSP2CS
16 DSP3CS
15 DSP1INT
14 DSP1RST
13 DSP2INT
12 DSP2RST
11 DSP3INT
10 DSP3RST
9 DIRCS
8 DIRINT
7 DIRRST
6 +3.3VST
5 FRXD
4 FTXD
3 OPTF
2 SPFOUT
1 NETSPDIF
C6818
102J
P6808
ZONE2 R
TX-SR875
D
1
2 G
3
4
5
G
6
7
1 F
2 +
3 F
1
+9VTU 1.0A
2
3
4
5
6
7
RN1226 Q6807
8
Q6805
RN1226
Q6802
RN1226
Q6800
RN1226
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12 P6240D
11
1 SPSL
10
2 SPSBL
9
3 SPL
8
1 SPR
7
2 SPSBR
6
3 SPSR
5
4 SPC
4
3
2
P6250E
1
Z2R
1 1
Z2R
2 2
GND Z2R 3 3
GND Z2R
4 4
JL6808 JL68