Sanyo DC-DA3300M Service Manual page 12

IC BLOCK DIAGRAM & DESCRIPTION
IC104 LA6548NH-E (CD Driver)
IC231 LA1844ML (Home Audio Tuner IC)
24 23
ALC
AM
OSC
BUFF
LEVEL
DET
S-CURVE
FM
FM
IF
DET
REG
1 2
Level shift
Level shift
22 21 20
AM
AM
MIX
RF.AMP
AGC
AM
AM
DET
IF
AM/FM
IF
COMP
BUFF
TUNING
DRIVE
GND
3 4 5
FR
Level shift
Level shift
FR
19 18 17
P-DET
VCO
304kHz
6 7 8
- 11 -
16 15 14
PILOT
DECODER
CANCEL
ANTI-BIRDIE
STEREO
SW
FF FF FF
38k 19k
19k
2
VCC
9 10 11
13
PILOT
DET
12