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HCD-EC59/EC590
• IC Block Diagrams
– BD74UR Board –
IC101 LC786950T-US-H
80
79
78
77
76
75
74
73
LPF
CLOCK
EFMIN 1
GENERATOR
RFOUT 2
LPF 3
SLICE
8FS DIGITAL FILTER/
LEVEL
PHLPF 4
1BIT DAC
CONTROL
AIN 5
CIN 6
RF
SIGNAL
PROCESSOR
BIN 7
AUDIO CONTROL
DIN 8
MUTE/DE-EMPHASIS/
MONITOR
ATTENUATION CONTROL/
SLCISET 9
BASS/TREBLE/
HFC FILTER
VREF
RFMON 10
VREF 11
TES, HFL,
DEFECT
JITTC 12
INTERPOLATION MUTE
EIN 13
JITTER
FIN 14
ERROR CORRECTION
PCNCNT 15
APC
SYNCHRONIZATION
TE 16
DETECTION
EFM
D/A
DEMODULATION
TEIN 17
LDD 18
SERVO
A/D
CONTROL
LDS 19
AVSS 20
CD PLL
21
22
23
24
25
26
27
28
29
HCD-EC59/EC590
72
71
70
69
68
67
66
65
64
63
62
61
MP3/PCM OUTPUT CONTROL
AUDIO OUTPUT
CONTROL
STREAM CONTROL/AUDIO INPUT
MP3, WMA, AAC
DECODER
MP3
ENCODER
MEMORY
1M BIT
SRC
ROM
DECODER
MCU
TEXT
I/F
DECODER
SUBCODE
DECODER
DOUT CONTROL
PLL3
PORT CONTROL
30
31
32
33
34
35
36
37
38
39
40
IC301 BA5826HFP-E2
VO1(–)
1
D.BUFF
2
VO1(+)
D.BUFF
LEVEL
SHIFT
60
C2F (LRSY)
3
IN1
59
FSEQ (DATACK)
58
DEFECT (DATA)
RESET
4
57
TEST1
THERMAL
SHUT-DOWN
56
AD_DATA (STDATA)
REGULATOR
BIAS TRAP
55
AD_BCK (STCK)
54
AD_LRCK (STREQ)
53
TEST0
52
CONT0
REGB
5
51
CONT1
6
REGOUT
MUTE
50
CONT2
MUTE
7
49
INTB1
GND
8
48
INTB0
IN2'
9
47
RESB
IN2
10
LEVEL
46
DO
SHIFT
D.BUFF
VO2(+)
11
45
DI
D.BUFF
VO2(–)
44
CL
12
GND
13
43
CE
OPOUT
14
42
DVSS
41
DVDD
30
30
– MAIN Board –
IC601 BD3491FS-SE2
B1
1
28
GND
B2
2
27
VO4(–)
C1
3
C2
4
D.BUFF
D1
5
INPUT
26
VO4(+)
SELECTOR
INPUT
D2
6
D.BUFF
GAIN
LEVEL
E1
7
SHIFT
E2
8
F1
9
25
IN4
F2
10
SEL2
11
BUFFER
24
IN4'
SEL1
12
VOL1
13
VOLUME
VOL2
14
TC2
15
TC1
16
23
BIAS
VCC
22
VCC
VCC
21
VCC
20
IN3'
19
IN3
LEVEL
SHIFT
D.BUFF
18
VO3(+)
D.BUFF
17
VO3(–)
16
RESETt
15
OPIN
32 SDA
31 SCL
30 FIL
29 GND
I2C BUS
28 SDA
LOGIC
27 SCL
26 VCC
25 OUT1
SURROUND
TREBLE/
BASS
24 SB1
23 SR
22 SB2
21 OUT2
20 BCB1
19 BCA1
18 BCA2
17 BCB2
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