HCD-F200/F500
HCD-F200/F500
50
50
• IC Block Diagrams
– DMB-FIT Board –
IC105, 107, 708 TK11133CSCL-G
IC707 TK11150CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
1
2
3
4
5
6
7
PVDD
RX0
I2C
RX1
RX2
RX3
INT
8
VOUT
9
10
11
13
14
15
CDTO
LRCKB
BICKB
SDTOB
OLRCKA
ILRCKA
12
BICKA
16
SDTOA
17 18 19 20
23
MCKO
TX
DVDD
DVSS
TVDD
21
22
XT
O
XTI
24
MCLK2
25
PDN
OSCILLATOR
26 27 28
CSN
CCLK
CDTI
29 30 31
SDTIA3
SDTIA2
SDTIA1
32
SDTIB
HEADPHONE
AMP
39
38
37
36
35
34
ROUT2
LOUT2
MUTET
HPL
HPR
HVSS
33
HVDD
41
40
ROUT1
LOUT1
48
45
47
46
44
43
RISEL
ROPIN
LOPIN
LISEL
AVSS2
AVDD2
42
VCOM
LOW
-P
ASS FIL
TER
DIGIT
AL
VOLUME
RIN6
62
LIN6
61 60 59 58 57 56
LIN3
55
RIN2
54
LIN2
53
RIN1
52
LIN1
51
AVDD1
50
AVSS1
49
RIN5
LIN5
RIN4
LIN4
RIN3
R
64
PVSS
63
PRE-AMP
ANALOG DIGITAL CONVERTER
HIGH-PASS FILTER,
DIGITAL VOLUME
ANALOG DIGITAL CONVERTER
AUDIO INTERFCE
CLOCK
RECOVERY
4:2
INPUT
SELECTOR
DIGITAL
AUDIO
INTERFACE
DECODER
SERIAL
CONTROL
INTERFACE
DIGITAL
AUDIO
TRANSMITTER
DIGIT
AL
ANALOG
CONVER
TER 1
AUDIO INTERF
ACE
DIGIT
AL
ANALOG
CONVER
TER
DIGIT
AL
ANALOG
CONVER
TER 2
AUDIO INTERF
ACE
– MAIN Board –
IC201 AK4683EQ
30
1
2
3
29
28
CV OUT
VCC1
6
CV IN
5
MUTE1
7
SEL (CV/MIX)
13
PB/B IN
15
PR/R IN
14
MUTE2
16
VCC2
11
PY/G IN
12
GND
8
Y IN
10
SEL (BIAS/CLAMP)
4
C IN
S1
S2
CV OUT SAG
GND
BIAS
6dB
75
Ω
32 C OUT
75
Ω
31 S-DC OUT
6MHz
LPF
27
26
Y OUT
Y OUT SAG
75
Ω
6MHz
LPF
6MHz
LPF
S-DC OUT
S1/S2
+
25 GND
24
23
PY/G OUT
PY/G OUT SAG
75
Ω
12MHz
LPF
22 GND
21
20
PB/B OUT
PB/B OUT SAG
75
Ω
12MHz
LPF
19 GND
18
17
PR/R OUT
PR/R OUT SAG
75
Ω
12MHz
LPF
CLAMP
6dB
CLAMP
6dB
6dB
9
BIAS
BIAS
BIAS
6dB
BIAS
6dB
CLAMP
BIAS
MUTE1
MUTE2
H
L
L
H
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
IC251 BH7868FS-E2
IC701 – 706 SI-3010KM-TLS
