HT-GT1
HT-GT1
46
46
• IC Block Diagrams
– MAIN Board –
IC002 TAS5613APHDR
OC_ADJ
PSU_REF
1
RESET 2
C_STARTUP 3
INPUT_A 4
GND_D
33
GND_C
OUT_C
35
36
OUT_C
37
GND_C
34
PVDD_C
39
BST_C
40
BST_B
41
PVDD_C
38
INPUT_B 5
VI_CM 6
GND 7
AGND 8
VREG 9
INPUT_C 10
INPUT_D 11
OTW1 16
ANALOG INPUT MUX
ANALOG COMPARATOR MUX
ANALOG
LOOP
FILTER
ANALOG
LOOP
FILTER
ANALOG
LOOP
FILTER
ANALOG
LOOP
FILTER
STARTUP
CONTROL
CURRENT
SENSE
PWM
RECEIVER
PWM
ACTIVITY
DETECTOR
PROTECTION
&
I/O LOGIC
63
VDD
64
GND_A
49
PVDD_A
50
PVDD_A
OUT_A
OUT_A
51
52
+
–
+
–
+
–
OVER-LOAD
PROTECTION
CB3C
OSCILLATOR
PSU_FF
VREG
UVP
POWER-UP
RESET
TEMP
SENSE
PPSC
TIMING
CONTROL
GATE-
DRIVE
CONTROL
+
–
GVDD_D
26
GVDD_C
25
GND
24
BST_D
27
OUT_D
29
PVDD_D
30
PVDD_D
31
GND_D
32
OUT_D
28
PWM
RECEIVER
TIMING
CONTROL
GATE-
DRIVE
CONTROL
PVDD_B
OUT_B
43
44
OUT_B
45
PVDD_B
42
GND_B
47
GND_A
48
GND_B
46
PWM
RECEIVER
TIMING
CONTROL
GATE-
DRIVE
CONTROL
PWM
RECEIVER
TIMING
CONTROL
GATE-
DRIVE
53
BST_A
54
GVDD_A
55
GVDD_B
56
GND
57
CONTROL
GND
23
M3
22
M2
21
M1
READY
20
19
CLIP
18
OTW2
17
GND
NC
58
59
NC
60
NC
61
NC
62
SD 15
OSC_IO– 14
13
FREQ_ADJ 12
GVDD_X
PVDD_X
OUT_X
GND_X
PVDD_X
GND
IC004, 005, 5003 PCM1754DBQR
1
AUDIO
SERIAL
PORT
POWER
SUPPLY
BCK
SYSTEM
CLOCK
2
DATA
3
LRCK
4
DGND
5
NC
6
VCC
15
SERIAL
CONTROL
PORT
FMT
14
4x/8x OVERSAMPLING DIGITAL
FILTER & FUNCTION CONTROL
ENHANCED MULTILEVEL
DELTA-SIGMA MODULATOR
D/A
CONVERTER
D/A
CONVERTER
ZERO
DETECT
OUTPUT AMP
& LOW-PASS
FILTER
OUTPUT AMP
& LOW-PASS
FILTER
MUTE
SYSTEM
CLOCK
MANAGER
16 SCK
13 DEMP
12 TEST
11 ZEROA
9 AGND
7
VOUTL
8
VOUTR
10 VCOM
IC1001 TPS2553DBVR
GND 2
EN 3
IN 1
4 FAULT
5 ILLM
6 OUT
CHARGE
PUMP
UNDERVOLTAGE
LOCKOUT
THERMAL
SENSE
CURRENT
LIMIT
4-ms
DEGLITCH
8-ms
DEGLITCH
CURRENT
SENSE
DRIVER
+
–
RREVERSE VOLTAGE
COMPARATOR
IC1002 BU94502AMUV
SYSTEM
CONTROLLER
SD CARD
CONTROLLER
FAT FILE
SYSTEM
MP3/WMA/
AAC
DECODER
SOUND
EFFECTER
AUDIO
DAC
DVSSIO 1
RESETX 2
TMODE 3
KEY_COL1/IRPTO 4
KEY_COL2/SEARCH 5
KEY_COL3/MCHNG 6
KEY_ROW1/BUSY 7
KEY_ROW2/SCL 8
KEY_ROW3/SDA 9
DVDD_M 10
LDO
DVSSIO
11
DVDDIO
12
TEST1
13
XIN_PLL
14
XOUT_PLL
15
TEST2
16
SEL_COD/TEST3
17
SEL_SLA
VE
18
AVDDC
19
AVSSC
20
USBDM
21
USBDP
22
REXIT
23
LED_ERROR/CLK24MI
24
LED_PLAY/LRCK/SPDIF
25
LED_PSD/BCK
26
LED_PUSB/DATA
27
LED_REPEAT/MCLK
28
DVDDIO
29
AMUTE
30
USB
CONTROLLER
LED
DRIVER
PLL
(OSCILLATOR)
DA
VSS
31
RDACO
32
VCDACO
33
LDACO
34
SD_CON
36
SD_DO
37
SD_CLK
38
SD_DI
39
SD_CS
40
DA
VDD
35
IC1003 SRC4182
1
LGRP
18 OFMT1
17 OWL0
16 OWL1
20 TDMI
19 OFMT0
24 LRCKO
23 SDOUT
26 MODE0
25 BCKO
28 MODE2
27 MODE1
22 VDD
21 DGND
15 RDY
2
RCKI
3
NC
4
SDIN
5
BCKI
6
LRCKI
9
BYPAS
10
IFMT0
11
IFMT1
12
IFMT2
13
RST
14
MUTE
7
VIO
8
DGND
REFERENCE
CLOCK
INTERPOLATION
FILTERS
RE-SAMPLER
DECIMATION
FILTERS
AUDIO
OUTPUT
PORT
AUDIO
INPUT
PORT
RATE
ESTIMATOR
CONTROL
LOGIC
IC1004 PCM1808PWR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
VDD
DGND
4
5
LRCK 7
REFERENCE
u
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
SCKI 6
VREF 1
IC1005, 1009 TC74VHC153FT (EL)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3 2C2 2C1 2C0
2Y
VCC
2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2 1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS