HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
4444
• IC Block Diagrams
IC101 LC786950T-US-H (BD76 Board (1/2))
C2F (LRSY)
60
FSEQ (DATACK)59
DEFECT (DATA)
58
TEST1
57
AD_DATA (STDATA)
56
AD_BCK (STCK)
55
AD_LRCK (STREQ)
54
TEST0
53
CONT0
52
CONT1
51
CONT2
50
INTB1
49
INTB0
48
RESB
47
DO
46
DI
45
CL
44
CE
43
DVSS
42
DVDD
41
FDO
22
AVDD
21
TDO
23
SLDO
24
SPDO
25
VVSS1
26
PDOUT1
27
PDOUT0
28
PCKIST
29
VVDD1
30
CONT5 (M-MUTE)
31
LIMIT-SW (CONT3)
32
STREQ (DEFECT)
33
STCK (FSEQ)
34
STDATA (C2F)
35
DVDD
36
DVSS
37
DVDD15
38
VVDD3
39
VVSS3
40
SLCO
80
LRVSS
79
RCHO
78
LRREF
77
LCHO
76
LRVDD
75
XVDD
74
XIN
73
XOUT
72
XVSS
71
CONT4
70
DOUT
69
DVDD
68
DVSS
67
DVDD15
66
PCMREQ
65
PCMDATA
64
PCMBCK
63
PCMLRSY
62
DVDD
61
EFMIN
1
RFOUT
2
LPF
3
PHLPF
4
AIN
5
CIN
6
BIN
7
DIN
8
SLCISET
9
RFMON
10
VREF
11
JITTC
12
EIN
13
FIN
14
PCNCNT
15
TE
16
TEIN
17
LDD
18
LDS
19
AVSS
20
LPF
CLOCK
GENERATOR
8FS DIGITAL FILTER/
1BIT DAC
SLICE
LEVEL
CONTROL
RF
SIGNAL
PROCESSOR
MONITOR
INTERPOLATION MUTE
ERROR CORRECTION
SERVO
CONTROL
CD PLL
AUDIO CONTROL
MUTE/DE-EMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC FILTER
SYNCHRONIZATION
DETECTION
EFM
DEMODULATION
MP3/PCM OUTPUT CONTROL
STREAM CONTROL/AUDIO INPUT
MEMORY I/F
AUDIO OUTPUT
CONTROL
JITTER
APC
D/A
A/D
VREF
TES, HFL,
DEFECT
PORT CONTROL
DOUT CONTROL
SUBCODE
DECODER
TEXT
DECODER
ROM
DECODER
SRC
MP3, WMA, AAC
DECODER
MEMORY
1M BIT
MCU
I/F
PLL3
MP3
ENCODER
IC301 BA5826HFP-E2 (BD76 Board (1/2)) IC307 PST3629NR (PANEL Board (1/3))
IC603 PST3629NR (AMP SMPS Board (1/2))
(HCD-EX66)
IC604 PST3629NR (AMP SMPS Board (1/2))
(HCD-EX66)
IC603 PST3629NR (AMP SMPS Board (1/2))
(HCD-EX88)
IC603 PST3629NR (AMP SMPS Board (1/2))
(HCD-EX99)
IC306 BD3419FS-SE2 (PANEL Board (2/3))
1
2
3
4
5
6
7
29
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
30 GND
IN4
IN4’
BIAS
VCC
VCC
IN3’
IN3
VO3+
VO3–
VO4–
VO4+
RESETt
OPIN
VO1–
REGB
VO1+
IN1
RESET
REGOUT
MUTE
GND
8GND
IN2’
IN2
VO2+
VO2–
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
VCC
VCC
VDD 2
OUT 1
GND
3
+
–
VREF
CD5
NC
4
FIL
30
GND
29
A2
31
B2
2
B1
1
TC-R
3
SEL-R
12
SEL-L
11
TC-L
4
TUNER-R
5
TUNER-L
6
CD/USB-R
7
CD/USB-L
8
PC-IN-R
9
PC-IN-L
10
A1
32
SCLK
27
VCC
26
SDATA
28
SB-R
24
SURR
23
OUT-R
25
OUT-L
21
BASSB-R
20
SB-L
22
BASSA-R
19
BASSB-L
17
BASSA-L
18
SURROUND
INPUT GAIN
I2C BUS LOGIC
VCCVCC/2
INPUT SELECTOR
TREBLE/BASS
VOLUME VOLUME
TRE-L
15
TRE-R
16
VOL-R
13
VOL-L
14
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