Onkyo TX-NA906 Service Manual page 24

A
SCHEMATIC DIAGRAMS-7 (SD-7)
SP TERMINAL SECTION
1
2
3
4 <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.
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
5 CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
B
NATRM-9055
U11 SP TERMINAL PC BOARD
0.22(1/2W)
R4901
D3SBA20
F9101
D9105
4A
Q4905
2SK365-GR
Q4906 2SK365-GR
F9102
4A
1
0.22(1/2W)
2
3
4
R9112
5
6
0.22(1/2W)
D10XB60H
P9104 D9103
J9108
J9106
F9201 D3SBA20
2.5A D9201
2
4 1
3
F9202
2.5A
P9201
D3SBA20
F9203
1
2.5A D9205
2
3
2
4
4
5
1
3
SI-3010KF
R9216
10(1/2W)
!
ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
C
2SB1565-E
Q4901
+14.4V
JL4014A
+15V 6
-14.4V
-15V 5
GND 4
R4902
Q4902
GND 3
RLGND
2SD2394-E 2
+12V 1
+13.5V
GND 1
2
+12VTRG
GND 3
JL2601A
Q9103
NJM2388F09
+9.0V
C9106 J9107
1/50
J9111
P Type:J6978
+9V_HD
GNDHD
+3.3V_HD
+1.2V_HD
R9203
+3.3V
1.5(1/2W)
+1.2V
R9211 R9212 R9213 R9214
0.39(1/2W) 1.5(1W)
1.5(1W)
0.39(1/2W)
Q9203
SI-8008TFE
+3.5V
+3.5V
L9200
+5.2V
GNDP4S
NCH-2541
GNDP4S
470K
1SS133
D9207
Q9201
+5.2V
NAETC-9056
U12
SP TERMINAL PC BOARD
TX-NR906/NA906
NAPS-9059
THERMAL SENSOR
U15
PC BOARD
P4902B P4902A
3 RED 1
2 RED 2
Q4907
1 RED 3
3 BLUE 4 2SB1565-E
2 BLUE 5
1 BLUE 6
Q4908
P4902C
2SD2394-E
+9VTU
GNDTU
1
2
3
4
P5A
4
3
2
SPRLZ2 20
1 SPRLSB 19
SPRLCS 18
P201B
17
SPRLF 16
GNDTU 15
16 +9VTU 14
15 POFF2 13
14 +9V 12
13 GNDDG 11
12 +5.3VXM 10
11 DIGSDI 9
10 DIGSDO 8
9 DIGCLK 7
8 DAC2CS 6
7 DAC1CS 5
6 DACRST 4
5 DACCR 3
4 DACSWR 2
3 DACSBL 1
2 DACSBR 20
1 DACFL 19
14 DACFR 18
13 DACC 17
12 DACSW 16
11 DACSL 15
10 DACSR 14
9 GNDA 13
8 GNDA 12
7 ADL 11
6 ADR 10
5 SPDIFSW 9
4 MEQMUT 8
3 RI 7
2 -15VDG 6
1 +15VDG 5
24 HDPCMSW 4
23 DSDRCSW 3
22 DIRSW 2
21 DSDDISW 1
20 DSP1DEC 20
19 DSP1NIC 19
18 DSP1CS 18
17 DSP2CS 17
16 DSP3CS 16
15 DSP1INT 15
14 DSP1RST 14
13 DSP2INT 13
12 DSP2RST 12
11 DSP3INT 11
10 DSP3RST 10
9 DIRCS 9
8 DIRINT 8
7 DIRRST 7
6 +3.3VST 6
5 FRXD 5
4 FTXD 4
3 OPTF 3
2 SPFOUT 2
1 NETSPDIF 1
102J
C6218
ZONE2 R
P6808
C6828
DT,MP,MT,NA906 Only
D
1
2 G
3
4
5
G
6
7
1 F
2 +
3 F
1
2
3
4
5
6
7
RN1226 Q6807
8
Q6805
RN1226
Q6802
Q6800 RN1226
RN1226
P6240D
1 SPSL
2 SPSBL
3 SPL
1 SPR
2 SPSBR
3 SPSR
4 SPC
P6250E
Z2R 1
1
Z2R 2
2
GND Z2R 3
3
GND Z2R 4
4
JL6808 JL68