34
34
CFD-G55
• IC Block Diagrams
IC1
TA2149BN
GND1
3
2
1
IF REQ
AM
MIX
FM RF IN
AM LOW CUT
5
4
MIX OUT
VCC2
AF IF IN
8
7
6
FM IF IN
GND2
10
9
AGC
QUAD
12
11
R OUT
L OUT
FM RF OUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RF IN
VCC1
FM OSC
ST IND
OSC OUT
AM OSC
IF OUT
LPF2/MO-ST
MPX IN
DET OUT
LPF1/BAND
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
1/1OR
1/16
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
IC701
LC78646E-E
1
APC
PLL
VCEC
GATE
GATE
GENERAL-
PURPOSE
PORTS
DRF
SLICE
LEVEL
CONTROL
MIX
EQ
AGC
LPF
PH
BH
TBAL
LEVEL SET
LPF
SW
MONI
CONT
JITTER
DETECT
A/D
SERVO
PROCESSOR
RAM
AUTO
ADJUST
FRAME SYNC DETECT,
PROTECT INSERT,
EFM DECODE
TRACK
JUMP
SW
D/A
COMMAND
INTERFACE
8FS
DIGITAL
FILTER
1BIT
DAC
SUBCODE
DECODE CRC
CLV, CAV
CONTROL
MONITOR
SIGNAL
SELECTOR
AUDIO
OUT
CLOCK
GENERATOR
ERROR
CORRECTION
AUDIO CD
C1-1, C2-2
RAM
SERIAL
OUT
EXTERNAL
AUDIO IN
2
3
4
5
6
7
8
9
+
–
+
–
+
–
+
–
+
–
10
13
12
11
+
+
–
+
+
–
TBAL
14
15
16
17
18
19
20
LPF
S/H
21 22 23 24
+
–
+
–
+
–
25 26 27
28 29 30
80 79
78 77 76 75 74 73
72 71 70
RUPTURE
DEFECT
32 33 34 35 36
31
PCK
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
69 68
67
65 64 63 62 61
66
37 38 39 40
60
59
58
57
56
55
53
52
54
51
50
49
48
47
46
45
44
43
42
41
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
MONI1
MONI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
CL
CE
FSEQ
TEST
*RES
*WRQ
DO
DI
VSS
VDD5V
CONT1
DRF
CONT2
CONT3
PCKIST
VVSS
PD02
PD01
LDD
LDS
FR
VVDD
V/*P
LVSS
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C2F
EFLG
IC2
LC72137M-TLM
OCB
I/F
1
CE
2
DI
3
CL
4
DO
16
PD
VSS
15
VDD
14
13
MO/ST
20
X OUT
18
LP-OUT
17
LP-IN
19
X IN
5
NUTE
6
MW/L
W
7
BAND
8
ST
-IND
9
BAND
DATA SHIFT REGISTER
LATCH
UNIVERSAL
CONTROLER
SWALLOW COUNTER
1/16. 1/17 4 BITS
12 BIT PROGRAMBLE
DIVIDER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
FILTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
10
IF-IN
12
FM-IN
AM-IN
11
24
CAP
23
TNF1
22
TNF2
21
BNF2
20
BOUT2
19
BNF1
18
BOUT1
17
OUT1
16
OUT2
15
VCC
14
SI
13
SC
1
VIN1
2
VIN2
3
SEL2
4
SEL1
5
A1
6
A2
7
B1
8
B2
9
C1
10
C2
11
FIL
TER
12
GND
0dB-
-87dB
-
Vcc/2
Vcc/2
Surround
50k
50k
50k
50k
50k
50k
Vcc/2
Vcc/2
Vcc/2
Treble1
fc=8kHz
Treble2
fc=8kHz
Bass2
fo=80Hz
Bass1
fo=80Hz
Logic
IC321
BD3870FS
Summary of Contents for CFD-G55 - Cd Radio Cassette-corder
Page 26: ...26 26 CFD G55 5 10 Schematic Diagram MAIN Section 1 2 See page 34 for IC Block Diagrams ...
Page 29: ...29 29 CFD G55 5 13 Schematic Diagram AMP Section ...
Page 31: ...31 31 CFD G55 5 15 Schematic Diagram CONTROL Section ...
Page 33: ...33 33 CFD G55 5 17 Schematic Diagram POWER Section ...
Page 53: ...53 CFD G55 MEMO ...
