Read Sony CFD-E90L Service Manual online
37
CFD-E90L
IC702
BA5826FP-E2
– TUNER Board –
IC1
TA2149BN
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
MONITOR
LEVEL
SHIFT
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
SLIN
(SLIN)
VREF
VCC
VCC
(FIN)
FIN
F–
F+
SL–
SL+
NC
OPIN
SP–
REG–B
SP+
SPIN
RST
REGO
MUTE
GND
TIN
(TIN)
T–
T+
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
DRIVER
MUTE
VCC
VCC
RF GND
3
2
1
IF REQ
AM
MIX
FM RFIN
AM LOW CUT
5
4
MIX OUT
VCC
AM IF IN
8
7
6
FM IF IN
GND
10
9
AGC
QUAD
12
11
R-OUT
L-OUT
FM RFOUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RFIN
RF VCC
FM OSC
ST LED
OSC OUT
AM OSC
IF REQ
LPF1
MPX IN
DET OUT
LPF2
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
1/1 OR
1/16
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