The Components Identified By Mark - Onkyo TX-SR876 Service Manual

A
SCHEMATIC DIAGRAMS-20(SD-20)
HD RADIO SECTION
1
ANTENNA
FM
AM
2
AFSX0(IIS_LRCK)
ACLKX0(IIS_SCLK)
AHCLKX0(IIS_MCLK)
AXR0_2 (IIS_DATA)
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.
5 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
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
B
NARF-9118
HD RADIO PC BOARD
U43
RF1
TA48018AF
RF GND
RF2
Q1
AM input
+1.8V
RF3 3 1
RF GND O I
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
L2
14 R19 HD_SCLK
47
15
GND BK1608LM182
16 L3 HD_OCLK
R22
470
17 HD_SDO
R23 47
18
GND
19 R24 HDIDMRST
RESET
20 47 +3.3V
3.3Vdc
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
DGND
DGND
! ARE CRITICAL FOR SAFETY.
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
DC, DD Type Only
STEREO
SD
+8.3V
R52
+9V
15
R33
+3.3V
22
DGND
VLEVEL
DGND
R10 0
S1
1
2
S2
3
4
R18 0
+3.3V
I2S_SCK
I2S_SDA
TA48033AF
Q7
+4V_B
+3.3V R25
3 1
O I
0
BD7820
Q8
R26 R53
+4V_A
0 1(1W)
TX-SR876/SA876
C
5V
R3 1M
R6
3
1
10K
2
Q3:A
NJM2903V
6 Q3:B
7
R14
5
10K
R20
1M
R54
1(1W)
D
HD_SDO R7 100 1
S
HD_SCLK R4 100 2
D
HD_LRCLK R8 100 3
L
HD_OCLK 4
R2 100
M
5
V
10/50
C9
C11 104Z