Ic Block Diagram & Description - Sanyo DC-DA1000 Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
IC103 MM1469XH (CD Driver)
28 27 26 25 24 23 22
D.BUF D.BUF
Vcc
T.S.D
D.BUF D.BUF
1 2 3 4 5 6 7
IC211 LA1844ML ( Tuner System)
24 23
ALC
AM
OSC
BUFF
LEVEL
DET
S-CURVE
FM
FM
IF
DET
1 2
IC410 BA3314F (Dula Preamplifier with ALC Detector)
21 20 19 18 17
D.BUF D.BUF
Vcc
DRIVER MUTE
D.BUF D.BUF
8 9 10 11 12
22 21 20
AM
AM
MIX
RF.AMP
AGC
AM
AM
DET
IF
AM/FM
IF
COMP
BUFF
TUNING
DRIVE
REG GND
3 4 5
IC201 LA1186N-AUDIO (FM Front End)
16 15
Vref
RF
1 2 3
RF IN
13 14
19 18 17
P-DET
VCO
304kHz
6 7 8
- 9 -
BUFFER
MIX REG
4 5 6 7
GND IF OUT
16 15 14
PILOT
DECODER
CANCEL
ANTI-BIRDIE
STEREO
SW
FF
FF FF
38k
19k 19k
2
VCC
9 10 11
OSC
8 9
Vcc
13
PILOT
DET
12