Schematic Diagram - Main Section (5/8) - Sony SA-CT780 Service Manual

HT-CT780

5-11. SCHEMATIC DIAGRAM - MAIN Section (5/8) -

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