HCD-GT22/GT44/GT55
58
58
HCD-GT22/GT44/GT55
•
IC Block Diagrams
– CD Board –
IC201
TK63115SCL-G@GL
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
– DRIVER Board –
IC701, 712
BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC401
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
REGULATOR
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
REGULATOR
VCC
VCC
– USB Board –
IC915
R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– MAIN Board –
IC102
R2S15208SP
REFIN 1
VCC 4
CLOCK
6
REF AMP
GND
7
ROUT
8
DATA 5
MCU
INTERFACE
LIN 2
RIN 3
LOUT
9
REFOUT
10
3BAND
PARAMETRIC
EQUALIZER
1 2
INPUT
SELECTOR
SURROUND
VOCAL CUT
TONE CONTROL
(BASS, TREBLE, MID)
TONE CONTROL
(BASS, TREBLE, MID)
MCU
INTERFACE
RECOUT
INC2
IND2
VOLIN2
INB2
INA2
MONO/STEREO
REF
TONE
ON/OFF
TONE
ON/OFF
BASSBOOST
ON/OFF
39
MIX2 37
VCC 38
40
3
REC2
5
BASS12
6
BASS22
7
TRE2
8
MID12
9
MID22
10
TONEOUT2
4
SAOUT
+
+
29 28
INPUT
SELECTOR
RECOUT
INC1
IND1
INA1 31
MIX1 36
GND 32
REFIN 33
SUR2 35
SUR1 34
30
INB1
27
REC1
26
BASS1
25
BASS21
24
TRE1
23
MID11
22
MID21
21
TONEOUT1
+
VOCALCUT
ON/OFF
VOCALCUT
ON/OFF
TONE ATT
TONE ATT
11
BB12
12
BB22
13
OUT2
14
CLOCK
15
DATA
16
VOLUME
VOLIN1
BASSBOOST
ON/OFF
20
BB11
19
BB21
18
OUT1
17
VOLUME
IC103
R2S15207FP
Содержание HCD-GT22
Страница 22: ...22 HCD GT22 GT44 GT55 MEMO ...
Страница 97: ...97 HCD GT22 GT44 GT55 MEMO ...