Sony CFD-G30L - Troubleshooting

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IC1 TA2149N
1 2
3
4
5
6
7 8
161718192021222324
15
14 13
11
12
109
V
CC
RF V
CC
RF GND
FM RFin
AM IF IN
FM IF IN
GND
AGC
QUAD
R-OUT
L-0UT LPF2
LPF1 DET OUT OSC OUT AM OSC FM OSC AM RFin MPX IN FM RFout IF REQ ST LED
MIX OUT
AM LOW CUT
AM
MIX
FM
MIX
FM
OSC
AM
OSC
AM
DET
FM
DET
BUFF
BUFF
IF
BUFF
AF
BUFF
AF
FMRF
AMIF AMIF
AGC
SW
ST
IF
REQ
1/8
LEVEL
DET
1/1 or
1/16
VCO
DIVIDE
DECODE
MUTE
ST/MO
FM/AM
IC2 LC72137M-TLM
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
12bits PROGRAMMABLE
DIVIDER
UNIVERSAL
COUNTER
POWER
ON
RESET
1/2 X
REFERENCE
DIVIDER
19XIN
12FMIN
3
CL
4DO
657
13 8
SWALLOW COUNTER
1/16, 1/17 4bits
16 PD
9
IO1
14VDD
20
15VSS
2DI
1CE
CCB
I/F
11AMIN
DATA SHIFT REGISTER
LATCH
10 IFIN
18 AOUT
20XOUT
17 AIN
IO2
BO4 BO3 BO2 BO1