HT-CT780
HT-CT780
42
42
5-11. SCHEMATIC DIAGRAM - MAIN Section (5/8) -
• See page 35 for Waveforms. • See page 50 for IC Block Diagrams. • See page 54 for IC Pin Function Description.
Note:
IC307, IC308 and IC313 on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
5.8
15.5
1.1
3.1
3.2
0
1.6
1.6
3.2
3.1
3.2
3.3
1
1
1
1
0
1.6
1
3.3
1
0
3.5
3.3
0.9
0.7
3.3
0
3.3
0
1.6
1.6
3.2
0
3.2
3.2
1
3.2
1
0
1
3.3
0.8
1
3.3
0
3.3
1
1
0
1
3.3
3.3
3.3
1.6
3.2
3.3
3.3
3.3
0
3.3
3.2
3.2
1
0
3.1
0
1
1
1
3.3
1.7
1.6
1
0
0
1
3.3
3.3
0
1
3.3
1.6
3.3
1.6
3.3
0
3.3
3.1
3.3
0
3.3
0
1
3.3
1.5
1
0
1.2
0
1.6
1.6
1.6
0
1.2
1
1.2
1
1
1.1
0.9
3.3
1
1
1
1
9
6
7
8
10
C381
0.1
C374
0.1
C356
0.1
C373
C384
0.1
C383
0.1
0.22
C386
0.1
C363
0.1
C359
0.1
C362
0.1
C357
0.1
C378
10
C338
C370
10
0.1
C351
0.1
C368
C364
0.1
0.1
C361
0.1
C369
0.1
C346
0.1
C375
0.1
C350
C382
0.1
0.1
C367
C385
0.1
0.1
C371
0.1
C347
0.1
C377
0.1
C342
0.1
C340
0.1
C353
0.1
C349
0.1
C339
0.1
C379
0.1
C344
CES520
D303
AMP_D3CSW
FB302
FL301
OUT
GND1
IN
GND2
5
4
3
2
1
74LVC1G79GW-125
IC310
D
CLK
DGND
Q
VCC
8
7
6
5
4
3
2
1
TC7WZ08FK
IC311
GND
Vcc
8
7
6
5
4
3
2
1
TC7WH34FK
IC312
GND
VDD
16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
TC74VHC157FT(EK)
IC309
SEL
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VDD
ADSST-AVR-3045
IC308
1
VDD_INT
2
CLK_CFG1
3
BOOT_CFG0
4
VDD_EXT
5
VDD_INT
6
BOOT_CFG1
7
GND
8
NC
9
NC
10
CLK_CFG0
11
VDD_INT
12
CLKIN
13
XT
AL
14
VDD_EXT
15
VDD_INT
16
VDD_INT
17
RESET
OUT/RUNRSTIN
18
VDD_INT
19
MOSI
20
MISO
21
SPICLK
22
VDD_INT
23
DPI_P05
24
DSP_CS
25
MD
26 VDD_EXT
27 DPI_P08
28 RESET_MAIN
29 VDD_INT
30 UART_OUT
31 UART_IN
32 LED
33 DPI_P12
34 DPI_P13
35 DAI_P03
36 DPI_P14
37 VDD_INT
38 VDD_INT
39 VDD_INT
40 SL/SR_IN
41 SL/SR_OUT
42 BCLK_IN
43 OPTION_L/OPTION_R_OUT
44 FRONTHI_L/R_OUT
45 VDD_INT
46 VDD_EXT
47 VDD_INT
48 L/R_OUT
49
MID/SW2_OUT
50
SBL/SBR_OUT
51
ZONE_L/R
52
VDD_INT
53
VDD_EXT
54
MCLK_IN
55
VDD_INT
56
C/SW1_OUT
57
A/D_2CH
58
C/SW_IN
59
LRCLK_IN
60
BCLK_OUT
61
LRCLK_OUT
62
SBL/SBR_IN
63
L/R_IN
64
VDD_INT
65
DIR_IN
66
VDD_INT
67
VDD_INT
68
GND
69
THD_M
70
THD_P
71
VDD_THD
72
VDD_INT
73
VDD_INT
74
VDD_INT
75
VDD_INT
76
VDD_INT
77
FLAG0
78
VDD_INT
79
VDD_INT
80
FLAG1
81
FLAG2
82
FLAG3
83
MLBCLK
84
MLBDAT
85
MLBDO
86
VDD_EXT
87
MLBSIG
88
VDD_INT
89
MLBSO
90
TRST
91
EMU
92
TDO
93
VDD_EXT
94
VDD_INT
95
TDI
96
TCK
97
VDD_INT
98
RESET
99
TMS
100
VDD_INT
JL333
JL332
JL321
JL326
JL322
JL330
JL324
JL334
JL323
JL331
JL325
0.68uH
L306
L307
0.68uH
2PA1576R-115
Q303
LTC014EUBFS8TL
Q302
220
R376
22
R388
10k
R401
0
R416
2.2k
R412
10k
R419
22
R398
22
R397
10k
R428
470
R389
22
R390
10k
R406
22
R377
R432
100
22
R414
10k
R431
22
R394
22
R383
22
R417
100
R403
22
R382
22
R385
22
R378
10k
R420
22
R392
10k
R400
2.2k
R421
10k
R391
R422
10k
22
R395
22
R387
22
R386
22
R379
10k
R408
22
R413
100
R405
220
R384
R410
10k
R433
150
0
R415
R434
100
22
R409
22
R404
22
R380
100k
R423
470
R393
100
R429
R396
1M
1k
R424
SPI_MOSI
SF_HOLD
HDMI_MUTE
SPI_CLK
SW_3.3V
D_GND
SEL_HDMI
DSP_RESET
DSP_CS
DIR_ZERO
AMP_D1FLFR
SPI_MISO
MCK
DIR_XSTATE
DSP_LRCK
DSP_BCK
DSP_INT
WL_LRCK
WL_D3CSW
25MHz
X302
JL329
JL328
JL327
10
C390
10
C389
0.022
C393
10
C388
FB303
1k
R438
FB304
10k
R437
1k
R439
3.3k
R436
470
R435
4V
220
C387
JL336
JL335
0.1
C391
E_12V
PCONT_DSP
RT8295ALZSP
IC313
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
IC307
W25Q16DVSSIG
CS
1
DO(IO1)
2
WP(IO2)
3
GND
4
DI(IO0)
5
CLK
6
HOLD(IO3)
7
VCC
8
JL337
JL338
JL339
JL340
JL341
JL342
HDMI_NLPCM
CL307
CL309
CL308
CL310
12p
C360
12p
C354
22
R381
CL313
CL31
1
CL314
CL312
CL317
22
R411
0
R441
WL_BCK
4V
220
C396
R430
220k
0.1
C397
0
R399
0.1
C392
10uH
L308
10k
R426
10k
R425
MCK
DSP_LRCK
DIR_XSTATE
DIR_NLPCM
DIR_ERROR
AMP_D3CSW
SPI_CLK
SPI_MISO
SPI_MOSI
SEL_HDMI
MLPCM_D2
MLPCM_D3
MCK
MLPCM_D1
BCK
DSP_BCK
AMP_D1FLFR
LRCK
HDMI_NLPCM
AMP_D3CSW
DSP_CS
DSP_RESET
DSP_BCK
DIR/AD/D0
DSP_CS
SPI_MISO
SF_HOLD
SPI_MOSI
SPI_CLK
DSP_INT
HDMI_MUTE
DSP_LRCK
AMP_D1FLFR
AMP_D3CSW
DIR_ZERO
DIR_XSTATE
SF_HOLD
DSP_INT
DSP_RESET
DSP_CS
SPI_MISO
SPI_MOSI
SPI_CLK
SEL_HDMI
HDMI_NLPCM
HDMI_MUTE
IC308
DSP
IC307
SERIAL FLASH
IC309
DATA SELECTOR
IC312
BUFFER
8
9
10
IC310
SHIFT CONTROL
IC311
SWITCHING, LEVEL SHIFT
IC313
DC/DC CONVERTER
(5/8)
MAIN BOARD
BOARD
(7/8)
>016S
MAIN
>018S
BOARD
(7/8)
MAIN
>011S
MAIN
(4/8)
BOARD
BOARD
MAIN
>017S
(6/8)
SWITCHING
INVERTER
BOARD
(8/8)
>015S
MAIN
10
11
12
13
14
15
G
16
H
17
I
18
F
1
C
J
D
6
E
K
2
B
3
A
4
5
7
8
9
(Page 45)
(Page 43)
(Page 41)
(Page 44)
(Page 44)