Panasonic SA-PM28E - Schematic Diagram - 3 (Continued); B MAIN (TUNER) CIRCUIT

AM
IFT
Z102
B
AM ANT
Z101
AM
ANT
COIL
AM
OSC
COIL
(FM)
B
B
B
B
RCH
A
X103
IC101
LA1833NMNTLM
IF & MPX IC
(TUNER)
IC102
LC72131MDTRM
PLL IC (TUNER)
B
FFFFFF
VCO
PILOT
DET
STEREO
SWITCH
PHASE
DET
PILOT
CANCEL
DECODER
REG
TUNING
DRIVE
COMP
AM
IF
AGC
AM
RM AMP
AM
MIX
S-CURVE
FM
DET
FM
IF
ALC
BUFFER
AM
OSC
LEVEL
DET
REG
AM/FM
IF
BUFFER
AM
DET
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
POWER ON
RESET
SHIFT REGISTER LATCH
SWALLOW COUNTER
1/6,1/17,4 BITS
REFERENCE
DIVIDER
C2B
I/F
1
2
(FM)
Q106
12 BITS PROGRAMMABLE
DIVIDER
TUNER
SUPPLY
SWITCH
B
FM ANT
Z120
8
(FM)
MIXER
OSC
BUFFER
RF AMP
6
5
1 7
CF201 CF202
SWITCHING
Q101,Q102
TO CD DRIVE BLOCK
X102
24
23
22 21
20 19 18
17
16 15
14
13
1
2
3
4 5
6
7
8
9
10
11
12
19 10
7
12
6 9 8
CE
2
PLLCE
DI
3
PLLDA
CL
4
PLLCK
DO
5
ST/DO
13
14
20
1
ST SD
SD
ST/DO
16
17
18
11
15