Ic-Blockdiagramme - Grundig ovation cds 6580 spcd Service Manual

GRUNDIG Service
IC-Blockdiagramme / IC Blockdiagrams
TC94A14FA
48 47 46 45
DV 49
SS3
Clock
RO 50
generator
DV 51
DD3
LPF
DVR 52
1-bit
DAC
LO 53
DV 54
SS3
ZDET 55
V 56
SS5
BUS0
57
BUS1 58
BUS2 59
BUS3 60
Audio out
BUCK
61
circuit
Micro-
/CCE 62
controller
interface
/RST 63
V 64
DD5
1 2 3 4
S3001
44 43 42 41 40 39
PWM
Servo control
ROM Digital equalizer
Address
circuit
RAM
adjustment circuit
CLV servo
16 k
RAM
Synchronous
guarantee
EFM
decoder
Digital output
Sub code
decoder
5 6 7 8 9 10
38 37 36 35 34 33
D/A
A/D
automatic
Data
slicer
VCO
PLL
TMAX
11 12 13 14 15 16
TA2157F
GVSW 13
VRO 14
FEO 15
FEN 16
20 k
17
RFRP
20 k
RFRPIN 18
RFGO 19
RFGC 20
AGC Amp.
AGCIN 21
RFO 22
RFN 23
GND 24
3 - 8
OVATION CDS 6580 SPCD
32 TEZI
31 TEI
30 SBAD
29 FEI
28 RFRP
27 RFZI
26 RFCT
25 AV
DD3
RFI
24
23 SLCO
22 AV
SS3
21 VCOF
PV
20
REF
19 LPFO
18 LPFN
17 TMAX
PEAK
20 k 20 k
50 k
40 A
40 k
20 k
20 k
15 k 20 k
50 A
12 k
2 k
50 k
12 k
BOTTOM
PEAK
14 k
240 k
15 pF
240 k
15 pF
60 k
60 k
94 k
180 k
40 pF
3 k
3 k
12 RFDC
15 k
11 TEO
10 TEN
9 TEBC
8 SEL
1 k
7 LDO
2 k
6 MDI
1.75 k
0.5
k
5 TNI
2
0.5
1
4 TPI
2
94 k
3 FPI
22 k
2 FNI
22 k
1 V
CC