HT-CT780
HT-CT780
43
43
• See page 50 for IC Block Diagrams.
5-12. SCHEMATIC DIAGRAM - MAIN Section (6/8) -
Note:
When the IC503 on the MAIN board is replaced, refer to “NOTE OF REPLACING THE
IC503 ON THE MAIN BOARD AND THE COMPLETE MAIN BOARD” on page 5.
13.9
13.9
0
13.9
13.9
0
22
12
3.3
0.7
0
13.9
13.9
0
13.9
13.9
3.3
12
12
1.1
3.2
1.6
1.6
2.3
3.3
1.6
1.6
3.3
3.3
3.3
12
0.6
1
1.7
3.3
0.2
1.5
0.9
3.3
3.3
3.3
3.3
3.3
2.5
2.5
1.6
1.6
0
0
1.7
0
25.3
25.3
14
14
28
28
28
14
14
28
28
28
14
14
25.3
25.3
7.7
1.7
3.3
1.6
1.6
1.6
1.6
3.2
3.3
4P
CN502
1
L–
2
L–
3
L+
4
L+
5P
CN501
1
R–
2
R–
3
NC
4
R+
5
R+
DSP_BCK
DSP_LRCK
AMP_D1FLFR
AMP_D3CSW
AMP_3.3V
NS_INIT
S_MUTE
MCK
D_GND
PCONT_DRIVER
PVDD_28V
DAMP_PDN
SD
DC_PRT
OVF1
DAMP_SDA
C
B
E
B
C
E
HN1A01FU
Q502
C
B
E
B
C
E
HN1A01FU
Q503
BD00C0AWFP-E2
IC502
CTL
1
VCC
2
GND
3
VO
4
ADJ
5
TAS5624ADDVR
IC503
1
GVDD_AB
2
VDD
3
OC_ADJ
4
RESET
5
INPUT_A
6
INPUT_B
7
C-START
8
DVDD
9
GND
10
GND
11
GND
12
GND
13
AVDD
14
INPUT_C
15
INPUT_D
16
FAULT
17
OTW
18
CLIP
19
M1
20
M2
21
M3
22
GVDD_CD
23
BST_D
24
BST_C
25
GND
26
GND
27
OUT_D
28
OUT_D
29
PVDD_CD
30
PVDD_CD
31
PVDD_CD
32
OUT_C
33
GND
34
GND
35
OUT_B
36
PVDD_AB
37
PVDD_AB
38
PVDD_AB
39
OUT_A
40
OUT_A
41
GND
42
GND
43
BST_B
44
BST_A
TAS5534DGGR
IC501
PWM_HPM_L
1
PWM_HPP_L
2
PWM_HPM_R
3
PWM_HPP_R
4
AVSS
5
PLL_FLTM
6
PLL_FLTP
7
VR_ANA
8
AVDD
9
ASEL_EMO2
10
MCLK
11
OSC_RES
12
DVSS2_CORE
13
DVDD2_CORE
14
EMO1
15
RESET
16
HP_SEL
17
PDN
18
MUTE
19
SDA
20
SCL
21
LRCLK
22
SCLK
23
SDIN1
24
SDIN2
25
SDIN3
26
SDIN4
27
VR_DIG
28
SDOUT
29
SCLKO
30
LRCLKO
31
TEST
32
PSVC
33
BKND_ERR
34
DVDD1_CORE
35
DVSS1_CORE
36
VALID
37
PWM_M_1
38
PWM_P_1
39
PWM_M_2
40
PWM_P_2
41
PWM_M_3
42
PWM_P_3
43
NC_44
44
NC_45
45
NC_46
46
NC_47
47
PWM_M_4
48
PWM_P_4
49
AVDD_PWM
50
AVSS_PWM
51
VR_PWM
52
NC_53
53
NC_54
54
NC_55
55
NC_56
56
FB501
FB502
JL509
JL510
PVDD_GND
CL501
100
RB501
100
R501
0.0047
C505
0.0047
C503
0.047
C507
0.047
C508
10
C504
10
C506
470
R516
15k
R517
18k
R518
470
R514
100
R513
100
R512
100
R511
0.01
C501
0.0047
C502
100
R506
100
RB502
10
C509
10k
R519
R515
1k
1
C511
1
C510
47
R521
47
R520
47
R522
10k
R526
47
R524
47
R523
10
C512
0.01
C520
0.1
C516
1
C517
1
C515
30k
R529
1
C518
1
C521
CL502
JL508
470p
C530
470p
C533
0.047
C522
1
C527
0.047
C524
1
C526
0.047
C523
470p
C532
10
R531
10
R530
10
R532
10
R533
470p
C531
0.047
C525
1
C537
1
C536
1
C535
1
C534
35V
C539
330
35V
330
C542
32V
5A
F501
32V
5A
F502
15k
R535
100k
R536
100k
R538
100k
R540
100k
R537
LSCR523UBFS8TL
Q501
0.1
C546
10
C547
DA2J10100L
D502
DZ2J300M0L
D503
10
C548
100k
R542
100k
R541
100k
R539
100V
1000p
C551
100V
1000p
C550
100V
1000p
C549
100V
1000p
C552
CL507
JL505
JL507
CL505
CL506
CL503
JL501
JL503
CL504
16V
100
C519
1
C513
1
C514
3.3k
R525
3.3k
R528
47k
R527
KDZTR5.6B
D501
10uH
L501
DAMP_SCL
0
JC501
0
JC504
0
JC503
0
JC502
0
JC506
JC505 0
10uH
L504
10uH
L503
10uH
L505
10uH
L506
STREAM PROCESSOR
IC501
DIGITAL POWER AMP
IC503
+12V REGULATOR
IC502
(6/8)
MAIN BOARD
>019S
BOARD
(7/8)
MAIN
BOARD
MAIN
>021S
(8/8)
BOARD
MAIN
>017S
(5/8)
BOARD
MAIN
>020S
(7/8)
BUFFER
DC
DETECT
DC
DETECT
3
4
6
1
4
6
1
3
SPC2
SPC1
WOOFER
SP4
(R-CH)
(R-CH)
TWEETER
SP2
WOOFER
SP3
(L-CH)
(L-CH)
TWEETER
SP1
(CHASSIS)
ET501
(CHASSIS)
ET502
(CHASSIS)
LN501
10
11
12
13
14
15
G
16
H
17
18
F
1
C
D
6
E
2
B
3
A
4
5
7
19
8
9
(Page 44)
(Page 42)
(Page 45)
(Page 44)