Panasonic SA-AK220GCP Service Manual page 44

SA-AK220GCP
FM ANT
Z120
Q1
1
RF AMP
5
3
CF201
Q2
7
MIXER
Q4
Q3
OSC BUFFER
4 6 8
B
(FM)
IC101
LA1833NMNTLM
FM/AM IF AMP,
DET/AM OSC,
MIX/FM MPX
16
PHASE DETECTOR
CHARGE PUMP
17
UNLOCK
DETECTOR
18
11
UNIVERSAL
COUNTER
15
POWER ON
B
RESET
19
Q106
TUNER
15V
B
SUPPLY
SWITCH
B
(FM)
AM ANT
CF202
AM
Q101
ANT
COIL
FM
IF AMP
24 23 22 21 20
ALC
AM AM
AM
RM AMP
OSC
MIX
BUFFER
LEVEL
S-CURVE
DET
AM
IF
FM
AM/FM
IF
IF
FM
BUFFER
DET
REG
1 2 3 4 5
Z102
AM
IFT
REFERENCE
DIVIDER
1
SWALLOW COUNTER
2
1/6,1/17,4 BITS
12 BITS PROGRAMMABLE
DIVIDER
C2B
SHIFT REGISTER LATCH
I/F
10 7 6 9 8
IC102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
44
Z101
AM B
OSC
COIL
RCH
16 15 14 13
19 18 17
DECODER
PHASE
DET
AGC
STEREO
SWITCH
AM
DET
COMP
VCO
TUNING
DRIVE
FF FF FF
REG
6 9 10 11 12
7 8
B
X102
DO/ST
SD
X103
1
20
14
12
13
ST/DO
DO 5
CE
CE 2
PLLDA
DI 3
PLLCLK
CL 4
A
TO CD DRIVE BLOCK
PILOT
CANCEL
PILOT
DET
B