Sony CX-J3000 Service Manual page 41

– MAIN Board –
IC302 BD3881FV
28 27 26 25 24
1 2 3 4
IC501 TA2149N
RF GND 1
FM RF
FM RFIN 2
AM
AM LOW CUT
3 MIX
FM
MIX OUT 4
MIX
VCC 5
LEVEL
AM IF
AM IF IN
6
FM IF
FM IF IN 7
GND 8
DET
AGC
AGC 9
DET
QUAD 10
ST/MO
R-OUT
11
FM/AM
MUTE
L-OUT 12
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23 22 21 20 19
VOLUME
VOLUME
5 6 7 8 9
FM
OSC
AM
OSC
BUFF
BUFF
1/1 OR
1/16
DET
ST
IF BUFF
1/8
SW
AM
IF REQ
AF BUFF
AF
FM
VCO
DIVIDE
DECODE
18 17 16 15
BASS BASS
TREBLE
LOGIC
CONTROL
TREBLE
12
10 11 13 14
24 FM RFOUT
23
RF VCC
AM RFIN
22
21 FM OSC
AM OSC
20
19 OSC OUT
ST LED
18
17 IF REQ
16 DET OUT
MPX IN
15
14
LPF1
13
LPF2
CX-J3000/J3000M
41