Onkyo TX-SR804 Service Manual page 55

A B
SCHEMATIC DIAGRAM-12 (SD-12)
XM SECTION
NARF-8994
1
XM PC BOARD
U12
2
XM_SDI_L
XM_SDO_L
XM_COM_SEL
XM_ERR_IRQ
XM_RESET
3
4
NOTE
THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
5
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 ( ) ARE IN uF/WV.
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.
C
I2S_OCLK
I2S_SCLK
I2S_SDO
I2S_LRCLK
1 36
LSDP HSDP_EN
2 35
VSS VSS
3 34
SC_TX_OUT HSDP_CLK
C2001 4 33 C2011
VDD VDD
5 Q2001 32 104Z
104Z
SC_RX_IN HSDP_DA
6 31
F2602-01
VSS VSS
7 30
CMD_SEL TEST
R2002 XMDTIC
8 29 C2009
VDD VSS
100K 9 28 080D
ERR_IRQ OSC_IN
10 27 C2010
VSS VDD
11 26 104Z
RST OSC_OUT
12 25 R2010
SLAVE VSS
680
C2002
_SEL C2008
040C
102K
+3.3V_XM
R2008
100 C2005
104Z
C2006
R2009
100 104Z
D E
C2021 R2021 R2025
AK4384ET
Q2002 10/50 2.2K 2.2K
C2018
470/6.3
R2012 100 1 16
MCLK DZFL
R2013
330 2 15
BICK DZFR
C2017
R2014 330 3 14
SDTI VDD
R2015 330 4 13 104Z
LRCK VSS
C2016
R2016
5 12
PDN VCOM
6 11
0 10/50
SMUTE/CSN AOUTL
C2014 C2015
7 10
ACKS/CCLK AOUTR
102K 8 9
104Z
DIF0/CDTI P/S
C2022 R2022
R2026
10/50 2.2K 2.2K
L2003
022M
1 3 +12V
O I
+5.0V
Q2005
78L05
TA48033AF
Q2004
L2001 R2047 +5.0V
+3.3V 3 1
O I
022M
22(1/2W)
R2036
0
Q2006
XM_ERR_IRQ 1 14
VCC
2 13
IN6
XM_SDI_L 3 12
OUT6
4 11
IN5
5 10
OUT5
6 9
IN4
7 8
GND OUT4
Q2007
DAC_RESET 11 10
Y8 GND
XM_COM_SEL 12 9
Y7 A8
XM_SDO_L 13 8
Y6 A7
XM_RESET 14 7
Y5 A6
15 6
Y4 A5
16 5
Y3 A4
17 4
Y2 A3
18 3
Y1 A2
19 2
_G2 A1
20 1
VCC _G1
F G
R2031
22(1/2W)
C2025 NE5532APSR
821J
3
C2027
1
Q2003
2
10/50
R2027
2.2K
R2028
2.2K
6
C2028
7
Q2003
5
10/50
C2026
NE5532APSR
821J
R2032
22(1/2W)
BLM21PG221SN1
BLM21PG221SN1
D2001
UDZS5.1B
C2035
104Z R2044
220 SR_R_OUT
SR_L_OUT
XMERRIRQ
R2035
0
R2046
0
TX-SR804/804E
H
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
L2004
P2001
4
GND
R2033 22 3
D+
XM
R2034 22 2
D-
1
+V
L2005
-12V 1
+12V 2
3
4
GND_A 5
XM_R_OUT 6
XM_L_OUT 7
+5V_XM 8
9
GND 10
XMRST 11
XMSRRXD 12
XMSRTXD 13
XMSRSEL 14
15
XMCOMSEL 16
XMDACRST 17