Tuner Section - Onkyo HT-R495 Service Manual

1

Tuner Section

E
BARF-2678/2687
D
NM
R1
L3 C12
1
330n 090D
2
C
3
1
2
D/J
M
B
A
1
2
C4
100D
C1
C5 473K
101J
RFGND
7
1 6
2
3 4
8
L5
K7-D
P1 Q1
NTM-1PDSC437 RZ5B801-0001E2
NTM-1PDSC438 RZ5B801-0002E2
2
3
NM
R12
* TEST PARTS
R14
L2
0
0
L1 J22
VDDRF
0
C3
R11
VDD2
0
332K
GND
1 20
GND1 VDD2
2 X2 19
VDDRF
3 X1 18
CP2
4 17
FRF1 CP1
5 16 VDD1 R10
GNDRF
IISD
6 15 0
LOUT
LRCK/LOUT
ARF1
7 14
ROUT R4
BCLK/ROUT
ARF2
BK1608HS601-T
8 13
DA
IIC/RDSI
C6
9 GND2 12
LA
222K
10 VDD1 11
CK
C13
*Q1
RZ5B801-0001E2
104K
R3
BK1608HS601-T
R2 100
3
4 5
Schematic Diagrams
+3.3V
+3.3V
R9 100
C7 105K
LOUT
ROUT
R8 100 GND
C8 105K
DA
CK
RDSI
TX-SR292BT/SR393/SR494, HT-R398/R495
4 5
6
E
D
C
B
A
6