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50
HCD-RV22/RV55
HCD-RV22/RV55
IC103 CXA2581N-T4 (BD49 BOARD)
6-25. IC BLOCK DIAGRAMS
IC701 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER BOARD)
IC504 PCM1748E/2K (VMP43GY BOARD)
IC307 BD7600FV-E2 (VMP43GY BOARD)
IC506 BU2507FV-E2 (VMP43GY BOARD)
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
A
A
A
B
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
14
GND
13
AO1
12
DI
11
CLK
10
LD
9
AO6
8
VCC
1
VSS
(VREFL)
2
AO2
3
AO3
4
RESET
5
AO4
6
AO5
7
VDD
(VREFH)
14BIT
SHIFT REGISTER
ADDRESS
DECODER
D0 – D9
D10 – D13
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
CH2
CH3
CH4
CH5
CH1
CH6
1
BUFOUT
2
STBY
3
IN
4
GND
8 BUFIN
7 VCC
6 OUT
5 OUTSAG
8dB
9dB
LPF
CLAMP
GND
VCC
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15
14
ML
MC
16
13
MD
SYSTEM
CLOCK