Sony HCD-EC55 Service Manual page 49

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– MAIN Board –
AM RF-IN
REG
FM-MIX
GND1
AM-MIX
VCC1
AMIF-IN
FMIF-IN
P-DET
TE
L 13942296513
P-COMP
FM-DET
L-OUT
R-OUT
VSS
DO
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IC801 LV23003VA
AM
1
RF
2
FM
3
MIX
4
AM
5
MIX
6
AGC
7
AM AM
IF DET
8
FM FM
IF DET
FM
S-METER
IF
BUFFER
PIROT
9
DET
10
11
12
DECODER
13
14
UNIVERSAL
COUNTER
DATA SHIFT
REGISTER
CE 15
LATCH
16
DI CCB
I/F
CL 17
18
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8
FM
RF
FM
OSC
AM
OSC
OSC
BUFFER
SD
ST
TRIG
Q Q
STSW
3 6 7 1 3
FF
FF FF
PHASE
VCO
COMPARATOR
MUTE
POWER ON
RESET
PROGRAMMABLE
DIVIDER
SWALLOW
COUNTER
UNLOCK
DETECTOR
REFERENCE
DIVIDER
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HCD-EC55/EC77/GX99
2 9 9 4 2 8
36 FM RF-IN
35 GND2
34 FMRF-OUT
33 VCC2
32 FM-OSC
31 AM-OSC
30 BO2
29 BO1
LOW-PASS 28 A-OUT
FILTER
27 A-IN
26 PD
25 AGC
24 AM LOW-CUT
23 DET-OUT
1 5 0 5 8 2 9 9 4
22 MPX-IN
21 VDD
PHASE
DETECTOE
CHARGE
PUMP
20 XOUT
19 XIN
m
co
9 9
2 8 9 9
49