Table of Contents
Advertisement
HCD-FX200/FX205
• IC Block Diagrams
– BD73U Board –
IC101 LC786924NT-US-H
80
79
78 77 76
75 74
73
72
71
70
69
68
67
LOW-PASS
CLOCK
FILTER
GENERATOR
8FS DIGITAL FILTER/
1BIT D/A CONVERTER
EFMIN 1
RFOUT 2
AUDIO CONTROL
LPF 3
SLICE LEVEL
MUTE/DEEMPHASIS/
CONTROL
PHLPF 4
ATTENUATION CONTROL/
AIN 5
BASS/TREBLE/
RF SIGNAL
CIN 6
HFC FILTER
PROCESSOR
BIN 7
DIN 8
MONITOR
SLCISET 9
VREF
RFMON 10
INTERPOLATION MUTE
VREF 11
TES, HFL,
DETECT
JITTC 12
ERROR CORRECTION
EIN 13
JITTER
FIN 14
SYNCHRONIZATION
APC
PCNCNT 15
DETECTION
D/A
EFM
TE 16
DEMODULATION
CONVERTER
TEIN 17
LDD 18
A/D
CONVERTER
LDS 19
SERVO
CONTROL
DOUT CONTROL
AVSS 20
PORT CONTROL
CD
PLL
21
22
23 24 25
26
27 28 29
30
31
32
33
HCD-FX200/FX205
66
65
64
63
62
61
PCM OUTPUT
CONTROL
60
LRSY
AUDIO OUTPUT
59
DATACK
CONTROL
58
DATA
57
TEST1
56
STDATA
STREAM CONTROL/
55
STCK
AUDIO INPUT
54
STREQ
53
TEST0
MP3, WMA
52
CONT0
DECODER
51
CONT1
50
CONT2
MEMORY
1M BIT
SRC
49
INTB1
48
INTB0
MEMORY
INTERFACE
47
RESB
ROM
DECODER
46
DO
45
DI
MCU
INTERFACE
TEXT
44
CL
DECODER
43
CE
42
DVSS
SUBCODE
DECODER
41
DVDD
PLL3
34
35
36
37
38
39
40
IC301 BA5826HFP-E2
VO1(–)
1
D.BUFF
2
VO1(+)
D.BUFF
LEVEL
SHIFT
3
IN1
LEVEL
SHIFT
4
RESET
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
5
REGB
6
REGOUT
MUTE
7
MUTE
GND
8
IN2'
9
IN2
10
LEVEL
LEVEL
SHIFT
SHIFT
D.BUFF
VO2(+)
11
D.BUFF
VO2(–)
12
GND
13
OPOUT
14
– MAIN Board –
IC350 LA4631-E
POP NOISE
REFERENCE
PREVENTION
AMP
CIRCUIT
INPUT
AMP
INPUT
AMP
RIPPLE
STANDBY
FILTER
SWITCH
1
2
3
4
5
6
26
26
28
GND
27
VO4(–)
D.BUFF
26
VO4(+)
D.BUFF
25
IN4
24
IN4'
23
BIAS
22
VCC
VCC
21
VCC
VCC
20
IN3'
19
IN3
D.BUFF
VO3(+)
18
D.BUFF
17
VO3(–)
RESETt
16
15
OPIN
THERMAL
SHUT DOWN
PROTECTOR
OUTPUT
PRE
AMP
DRIVE AMP
PRE
OUTPUT
DRIVE AMP
AMP
7
8
9
10
11
12
13
Hide quick links:
Advertisement
Table of Contents
