Onkyo PR-SC886 Service Manual page 21

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-16 (SD-16)
HD RADIO SECTION
(DD Type Only)
NARF-9118
U27 HD RADIO PC BOARD
1
ANTENNA
P1
FM
AM
TA48018AF
RF1
RF GND
RF2 Q1
AM input
+1.8V
RF3 3 1
RF GND O I
2
RF4
FM input
RF5
RF GND
1
RF GND
+8.5V
2
8.5Vdc
3
GND
+5.0V
4
5Vdc
5 C12
GND
6 10/50
V-LEVEL
7
GND
8
1.8Vdc
9
GND
10
HPPI_SCL
11
HPPI_SDA
12
BK1608LM182
GND
13 R15 47 HD_LRCLK
AFSX0(IIS_LRCK)
L2
14 R19 HD_SCLK
ACLKX0(IIS_SCLK)
47
15
GND BK1608LM182
16 L3 HD_OCLK
AHCLKX0(IIS_MCLK)
R22 470
17 HD_SDO
AXR0_2 (IIS_DATA)
R23 47
18
GND
T E
L 1 3 9 4 2 2 9 6 5 1 3
19 R24 HDIDMRST
RESET
20 47 +3.3V
3.3Vdc
3
21
GND
22 +1.2VHD
1.2Vdc
23 +1.2VHD
1.2Vdc
24
GND
25
AXR1_5
26
Reserved
27
GND
28
L_OUT
29
R_OUT
30
Audio GND
4
DGND
<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 ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
w w w
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
5
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
STEREO
SD
+8.3V R52
+9V
15
R33
+3.3V
22 5V
DGND
R3 1M
R6
VLEVEL 3
1
10K
DGND
2
R10 0
Q3:A
S1
NJM2903V
1
6 Q3:B
S2 2
7
R14
3
5
4
10K
R18 0
R20
1M
+3.3V
I2S_SCK
I2S_SDA
TA48033AF
Q7
+3.3V R25
3 1 +4V_B
O I
0
DGND
BD7820
Q8
R26 R54 R53
+4V_A
0
1(1W) 1(1W)
x a o
y
i
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D E
8
C22
102J
C26 R40 R38
10/50 2.2K 2.2K
2ch DAC
CS4344
Q4
104Z
C8
HD_SDO R7 100 1 10
SDIN AOUTR
C7
HD_SCLK R4 2 9
100
DEM/SCLK VA
HD_LRCLK R8 3 8
100
LRCK GND
470/10
HD_OCLK 4 7
R2 100
MCLK AOUTL
5 6
VQ FILT+
10/50
C9
C27
R41
R39
C11 104Z
10/50 2.2K 2.2K
C23
102J
Q Q
3 7 6 3
C20
105K
L4
3 1
O I
022K
Q6
TA4805
u 1 6 3
.
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F G
2 4
9 9 8
+14.9V
R31
NE5532APSR 22
NE5532APSR
R44 Q10:A
3 Q9:A 3
1 1
1.2K
2 2
R34 R50
6.8K
0
R35 R51
0 6.8K
6 6
7 7
R45
5 5
Q9:B Q10:B
1.2K
R30
22
-14.9V
1 5 1 5 0 8 9 2 4
m
c o
PR-SC886
H
2
9 9
+15V 13
-15V 12
AG 11
10
R_OUT 9
8
L_OUT 7
6
HDIDMRST
5
SD 4
STEREO
3
9 8 2 9 9
2
I2S_SDA
1
I2S_SCK
+9V 1
2
+4V_B 3
+4V_A 4