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HCD-GTR333/GTR555/GTR777/GTR888
61
• IC Block Diagrams
IC4400 BA4580RF-E2 (2CH DAMP BOARD (3/4)), (3CH DAMP BOARD (3/4)), (4CH DAMP BOARD (3/4))
IC4900 NJM2903V (TE2) (2CH DAMP BOARD (4/4)), (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC4905 BA4580RF-E2 (2CH DAMP BOARD (4/4)), (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC4906 BA4580RF-E2 (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC702 NJM2903V (TE2) (MAIN BOARD (4/4))
IC4900 NJM2903V (TE2) (2CH DAMP BOARD (4/4)), (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC4905 BA4580RF-E2 (2CH DAMP BOARD (4/4)), (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC4906 BA4580RF-E2 (3CH DAMP BOARD (4/4)), (4CH DAMP BOARD (4/4))
IC702 NJM2903V (TE2) (MAIN BOARD (4/4))
IC4903, IC4904 IRS2092STRPBF (2CH DAMP BOARD (4/4))
IC4902, IC4903, IC4904 IRS2092STRPBF (3CH DAMP BOARD (4/4))
IC4901, IC4902, IC4903, IC4904 IRS2092STRPBF (4CH DAMP BOARD (4/4))
IC4902, IC4903, IC4904 IRS2092STRPBF (3CH DAMP BOARD (4/4))
IC4901, IC4902, IC4903, IC4904 IRS2092STRPBF (4CH DAMP BOARD (4/4))
VAA
GND
IN-
COMP
CSD
VSS
1
2
3
4
OTA
COMP
PWM MODULATOR
CLICK NOISE
ELLIMINATION
UV
DETECT
+
+
-
-
6V
20.4V
20.4V
VAA+VSS
SD
FLOATING HIGH SIDE
DT
2
ENABLE
FLOATING INPUT
6V
CHARGE/
DISCHARGE
PROTECTION
CONTROL
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
DEAD TIME
LOW SIDE CS
HV
LEVEL
SHIFT
UV
DETECT
UV
DETECT
HIGH
SIDE
CS
UV
5V REG
HV
LEVEL
SHIFT
Q
HV
LEVEL
SHIFT
5
6
7
8
9
10
11
12
13
14
15
16 CSH
VB
HO
VS
VCC
LO
COM
DT
OCSET
VREF
VCC
GND
+
–
+
–
–
8
7
6
5
B OUTPUT
B- INPUT
B+ INPUT
1
2
3
4
A OUTPUT
A- INPUT
A+ INPUT
V-
V+
HCD-GTR333/GTR555/GTR777/GTR888
62
IC701, IC712 BA6956AN (DRIVER BOARD)
IC1001 PT6324-LQFP (DISPLAY BOARD)
34
35
36
37
38
GR5
GR4
GR3
GR2
GR1
GR4
GR3
GR2
GR1
39
GR6
SERIAL
DATA
INTERFACE
SEGMENT
DRIVER
GRID
DRIVER
1
CLK
2
DIN
3
STB
4
DOUT
CONTROL
OSC
DISPLAY
MEMORY
TIMING
GENERATOR
KEY MATRIX
MEMORY
5
K1
6
K2
7
OSC
8
GND
9
VDD
10
SG1/KS1
11
SG2/KS2
12
SG3/KS3
13
SG4/KS4
DIMMING
CIRCUIT
14 15 16 17 18 19
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
20 21 22 23 24 25
SG1
1/KS1
1
SG12/KS12
SG13/KS13
SG14/KS14
SG15/KS15
SG16/KS16
26
SG17
27
28
29
30
31
32
33
SG24
SG23
SG22
SG21
SG20
SG19
SG18
SG23
SG22
SG21
SG20
SG19
SG18
40
GR7
41
GR8
42
GR9
43
GR10
44
GR1
1
45
GR12
46
GR13
47
GR14
48
GR15
50
VEE
51
VDD
52
GND
49
GR16
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
Ver. 1.1
HCD-GTR333/GTR555/GTR777/GTR888
63
IC111 MM1661JHBE (DMB21 BOARD (2/3))
IC201 FAN8036L (DMB21 BOARD (2/3))
4
1 2
3
CN
VOUT
NC
GND
REFERENCE
BIAS
CURRENT
LIMITTER
DRIVER
THERMAL
SHUTDOWN
8
VIN
7
NC
6
NC
5
CONT
OUT1
IN1-
FIN
(GND)
FIN
(GND)
IN2+
IN2-
OUT2
RES1
REGCTL
IN3+
IN3-
OUT3
IN4+
FIN
(GND)
IN4-
OUT4
CTL
FW D
REV
MUTE123
MUTE4
TSD_M
PVCC2
DO5-
DO5+
PGND2
DO4-
DO4+
DO3-
DO3+
REGO2
REGO1
PGND1
DO2-
DO2+
DO1-
FIN
(GND)
DO1+
PVCC1
REGVCC
OPOUT2
OPIN2-
OPIN2+
VREF
SVCC
OPOUT1
OPIN1-
OPIN1+
IN1+
SGND
REGVCC
RES2
REGVCC
REGVCC
REGVCC
PS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
MUTE123 MUTE4
PS
TSD_M
S
W
M
S
C
C
+
-
TSD
REGVCC
HCD-GTR333/GTR555/GTR777/GTR888
64
IC4602 PCM1753DBQR (DMB21 BOARD (1/3))
IC4601 PCM1808PWR (DMB21 BOARD (1/3))
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
3
VDD
DGND
4
5
5
LRCK 7
REFERENCE
1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
SCKI 6
VREF 1
1
BCK
POWER
SUPPLY
DATA
LRCK
DGND
NC
VCC (5V)
VOUTL
VOUTR
AGND
VCOM
ZEROL
ZEROR
MD (MDI)
MC
ML (MS)
SCK
SYSTEM
CLOCK
AUDIO
SERIAL
PORT
SYSTEM
CLOCK
MANAGER
SERIAL
CONTROL
PORT
4x/8x OVERSAMPLING DIGITAL
FILTER & FUNCTION CONTROL
ENHANCED MULTILEVEL
DELTA-SIGMA MODULATOR
ZERO
DETECT
D/A
CONVERTER
OUTPUT AMP
& LOW-PASS
FILTER
OUTPUT AMP
& LOW-PASS
FILTER
D/A
CONVERTER
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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