Sony PMC-MD55 Service Manual page 171

• IC Block Diagrams
– TU Board –
IC1 TA2104AN
GND1 1
FM RF
FM RF IN 2
AM
AM LOW OUT 3
MIX
FM
MIX OUT
4
MIX
VCC2 5
AM IF
AM IF IN 6
FM IF
FM IF IN 7
GND2 8
AGC
AGC 9
QUAD 10
R OUT
11
MUTE
L OUT 12
IC2 LC72137M-TLM
CE 1
DI
CCB
I/F
CL 3
DO 4
B01 5
12BITS
PROGRAMMABLE
B02 6
DIVIDER
B03 7
I01 8
I02 9
UNIVERSAL
COUNTER
10
IFIN
FM
OSC
AM
OSC
BUFF
BUFF
LEVEL
DET
ST
IF BUFF
1/8
SW
AM
DET
IF REQ
AF BUFF
AF
FM
DET
ST/MO
FM/AM
VCO
DIVIDE
DECODE
REFERENCE
DIVIDER
PHASE
DETECTOR
CHARGE
PUMP
UNLOCK
DETECTOR
POWER ON
RESET
SWALLOW
COUNTER
1/2
1/16,1/17
4BITS
24 FM RF OUT
23
VCC1
AM RF IN
22
FM OSC
21
AM OSC
20
19 OSC OUT
ST IND
18
17 IF OUT
16 DET OUT
MPX IN
15
14 LPF2/MO-ST
13
LPF1/BAND
20 XOUT
19 XIN
18 AOUT
17
AIN
PD
16
VSS
15
14 VDD
B04
13
FMIN
12
11 AMIN
– 101 –