HCD-EC709iP/EC909iP
HCD-EC709iP/EC909iP
30
30
1
IC101
2
(RFOUT)
(CD play mode)
200 mV/DIV
, 500 ns/DIV
0.7 to 1.5 Vp-p
2
IC101
us
(XOUT)
(CD play mode)
1 V/DIV
, 20 ns/DIV
59.1 ns
3.3 Vp-p
wa
IC301
qf
(X1A)
1 V/DIV
, 10
P
s/DIV
30.6
P
s
3.1 Vp-p
ws
IC301
os
(X1)
1 V/DIV
, 100 ns/DIV
168 ns
3.6 Vp-p
• W
aveforms
– BD73 Board –
– P
ANEL
Board –
•
IC Block Diagrams
– BD73 Board –
IC101 LC786924NT
-US-H
RF SIGNAL
PROCESSOR
MEMOR
Y
INTERF
ACE
MEMOR
Y
1M BIT
EFMIN
1
RFOUT
2
LPF
3
FDO
22
AV DD
21
DEFFECT
33
FSEQ
34
DVDD15
38
VVDD3
39
VVSS3
40
C2F
35
DVDD
36
DVSS
37
VVDD1
30
CONT5
31
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
DA
TA
58
DA
TACK
59
LRSY
60
STREQ
54
STCK
55
STDA
TA
56
TEST1
57
PCMLRSY
62
PCMBCK
63
PCMDA TA
64
PCMREQ
65
DVSS
67
DVDD15
66
DVDD
61
DVDD
68
XVSS
71
CONT4
70
LR VDD
75
XVDD
74
LR VSS
79
SLCO
80
TDO
23
SLDO
24
SPDO
25
VVSS1
26
PDOUT1
27
PDOUT0
28
PCKIST
29
CONT3
32
A
VSS
20
PHLPF
4
AIN
5
CIN
6
BIN
7
DIN
8
SLCISET
9
RFMON
10
VREF
11
JITTC
12
EIN
13
FIN
14
TE
16
TEIN
17
LDD
18
LDS
19
PCNCNT
15
SLICE LEVEL
CONTROL
LOW
-P
ASS
FIL
TER
CLOCK
GENERA
T
OR
TES, HFL,
DETECT
D/A
CONVER
TER
A/D
CONVER
TER
CD
PLL
SER
VO
CONTROL
SYNCHRONIZA
TION
DETECTION
EFM
DEMODULA
TION
AUDIO CONTROL
MUTE/DEEMPHASIS/
A
TTENUA
TION CONTROL/
BASS/TREBLE/
HFC FIL
TER
MONIT
OR
SRC
VREF
JITTER
ERROR CORRECTION
DOUT
CONTROL
STREAM CONTROL/
AUDIO INPUT
POR
T
CONTROL
PLL3
INTERPOLA
TION MUTE
RCHO
78
LRREF
77
LCHO
76
XIN
73
XOUT
72
DOUT
69
8FS DIGIT
AL
FIL
TER/
1BIT
D/A
CONVER
TER
AUDIO OUTPUT
CONTROL
PCM OUTPUT
CONTROL
MP3, WMA
DECODER
ROM
DECODER
TEXT
DECODER
MCU
INTERF
ACE
SUBCODE
DECODER
APC
IC301 BA5826SFP-E2
1
2
3
4
5
6
7
8
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
REGULA
T
OR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA TOR
VCC
VCC
– MAIN Board –
IC081 L
V23401V
-TLM-H
1
AM ANT
2
AM REF
3
AM VT
6
MPX OUT
4
GND AM
7
AM AGC
8
GND1
9
L-OUT
10
R-OUT
12
AM LCF
FM ANT
30
GND4
29
FLL CAP
28
CE
18
CLK IN
16
ST ADJ
17
13
SD OUT
11
VCC LOW
15
VCC
14
ST OUT
ST
OUT
SD OUT
DIVIDER
LDO
AGC DET
LOCAL
OSCILLA
T
OR
OSC CAP
GND
TUNING
SYSTEM
CL
19
DI
20
DO
21
BAND-P
ASS
FIL
TER
STEREO
DECODER
POWER
MANAGEMENT
REFERENCE
OSC
ST
A
TE
MACHINE
STEREO
BLEND
IMAGE DET
DEMODULA
T
OR
DE-EMPHASIS
AUDIO
AMPLIFIER
ANT
CAP
L2
26
VREF3 (4.3V)
25
L1
24
GND3
23
VREF2 (3.3V)
22
5
VREF1 (4.3V)
SD ADJ
27
FLL
LNA
LNA
