Panasonic SA-PM25 Service Manual page 88

FM ANT
Z20
Q1
Q2
1
MIXER
RF AMP
Q3
5
OSC BUFFER
3 4 6 8
+B
(FM)
16
17
18
11
15
+B
Q6
POWER
+B
SUPPLY
SWITCH
+B
(FM)
CF1
Q1,Q2
7
FM
IF AMP
Q4
24
LEVEL
DET
FM
IF
1
PHASE DETECTOR REFERENCE
CHARGE PUMP DIVIDER
UNLOCK
SWALLOW COUNTER
DETECTOR
1/6,1/17,4 BITS
12 BITS PROGRAMMABLE
DIVIDER
UNIVERSAL
SHIFT REGISTER LATCH
COUNTER
POWER ON
RESET
19 10 7 12
IC2
LC72131MDTRM
PLL IC (TUNER)
AM ANT
Z1
CF2
AM
ANT
COIL
+
23 22 21 20 19 18
ALC
AM
AM
AM
OSC
RF AMP
MIX
BUFFER
AGC
S-CURVE
AM
IF
AM/FM
FM IF
COMP
DET
BUFFER
TUNING
DRIVE
REG
2 3 4 5 6
Z2
AM
IFT
1
20
1
14
2
12
13
DO 5
C2B CE 2
I/F
DI 3
CL 4
6 9 8
(FM)
+B
AM
OSC
COIL
IC1
LA1833NMNTLM
IF & MPX IC
(TUNER)
RCH
16 15 14 13
17
DECODER
PILOT
PHASE CANCEL
DET
STEREO
SWITCH
AM
DET
VCO
PILOT
FF FF FF
DET
REG
7 8 9 10 11 12
+B
X2
X103
Q105(Q205)
MUTING TMUTE
SWITCH
(TUNER)
ST/DO
SD
ST/DO
CE
DI
CL
E