Sanyo AWM-2100 Service Manual page 15

IC BLOCK DIAGRAM & DESCRIPTION
IC501 BA5417
IC703 TA2092N
21 20
24 23 22
- +
- +
1 2 4 5
3
IC700 TC9284BF
19
18 17 15
16
+
6 10
7 8 9
64 63 62 61 60 59
85
TESTX
66
HS
PLL Circuit
GNDD 67
Internal Tmax Detection Circuit
68
SPDA
Status
69
COFS
WDCK 70
Correction
71
CHCK
Output
Circuit
72
BCK
Demodulation
Audio Output
73
AOUT
EMPH 74
75 Digital Out Correction
DOUT
76
TEST2
V 77
DDX
78
X1
DA
Converter Generator
79
X0
80
GNDX
1 2 3 4 5
IC702 BA4558N
OUT1
-IN1
+IN1
VEE
14 13
-
11 12
49 48 47
58 57 56 55 54 53 52 51 50
Data slicer AD Converter
CLV Servo Circuit
Sync
Separation
Address
ACircuit
Circuit
EFM
Servo Status
Signal
Circuit
Generating
Circuit
16k RAM
Circuit
Clock Subcode Q Data
Demodulation
RAM
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
- 14 -
1
8 VCC
2 OUT2
7
3 6
-IN2
+IN2
4 5
46 45 44 43 42 41
40
DMPC
39
DMFC
38
DMON
Forcus/
37
TEST
Tracking
Servo
36
FMFB
35 TEST1
Tracking
34
FMON
Search
Control
33
TKIC
Circuit
32
TGUH1
31
TGUH2
30
TGUL
29
TEL1
Correction
System
28
TEL2
Timing
Generator
27 DFCT
Control
Date Bus
26
GNDD
Interface
V
25 DDD