HT-CT780
HT-CT780
41
41
5-10. SCHEMATIC DIAGRAM - MAIN Section (4/8) -
• See page 35 for Waveforms. • See page 50 for IC Block Diagrams.
0
3.3
3.3
0
0
3.3
2.7
3.3
4.9
3.2
0
0
0
0
3.3
0
0
0
3.3
0
1.6
3.2
3.9
0
0
0
3.2
3.3
1.4
1.6
1.6
1.2
0
0
4.9
2.4
2.4
2.9
4.9
0
4.9
2.9
2.9
2.9
4.9
5.8
1.7
1.7
3.3
0
2.4
4.9
2.4
2.4
3.3
2.9
2.9
2.9
2.9
2.4
2.4
0
5
4
3
2
C309
1
C308
1
1
C307
1
C310
C305
1
1
C331
1
C334
0.1
C320
0.1
C319
10
C306
0.1
C311
1
C337
1
C336
10
C321
47p
C303
10
C302
100p
C324
0.1
C304
0.1
C316
12p
C312
10
C301
1
C313
C325
22p
C327
22p
10
C314
C328
1
1
C330
C329
1
100
C326
C333
CN301
GND
1
R_OUT–
2
R_OUT+
3
L_OUT+
4
L_OUT–
5
GMD
6
MUTE
7
BT_UART_TX
8
BT_UART_RX
9
BT_UART_RTS
10
BT_UART_CTS
11
3.3V
12
RESET
13
GND
14
CES520
D302
BT_3.3V
FB301
5
4
3
2
1
MM1839A50NRE
IC304
CTRL
GND
NC
V
out
Vi
n
4
3
1
2
MM3411A33URE
IC306
CE
GND
Vout
Vin
8
7
6
5
4
3
2
1
NJM4558V-TE2
IC302
–VCC
+VCC
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SN74LV4052APWR
IC301
Y0
Y2
Y
Y3
Y1
INH
VEE
Vss
B
A
X3
X0
X
X1
X2
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37 38 39 40 41 42 43 44 45 46 47 48
PCM9211PTR
IC303
ERROR
NPCM
MPIO_A0
MPIO_A1
MPIO_A2
MPIO_A3
MPIO_C0
MPIO_C1
MPIO_C2
MPIO_C3
MPIO_B0
MPIO_B1
MPIO_B2
MPIO_B3
MPO0
MPO1
DOUT
LRCK
BCK
SCKO
DGND
DVDD
MDO
MDI
MC
MS
MODE
RXIN7/ADIN0
RXIN6/ALRCKI0
RXIN5/ABCKI0
RXIN4
RXIN3
RXIN2
RST
RXIN1
VDDRX
RXIN0
GNDRX
XTI
XT
O
AGND
VCC
FIL
T
VCOM
AGNDAD
VCCAD
VINL
VINR
JL315
JL314
JL307
JL318
JL311
JL320
JL316
JL319
JL310
JL308
JL309
JL317
JL313
JL301
JL304
JL306
JL302
JL303
JL305
JL312
10uH
L301
L303
10uH
0.47uH
L305
10uH
L302
220uH
L304
LTC014EUBFS8TL
Q301
100k
R315
R357
47k
220
R331
R354
47k
220
R332
47k
R344
1k
R374
47k
R343
100
R369
100
R368
100
R367
0
R311
10k
R308
100k
R313
100
R364
100
R360
100
R358
10k
R309
100k
R312
100
R329
R316
47k
100k
R356
R352
1k
4.7k
R362
47k
R323
47k
R324
100k
R355
R365
100
R347
100k
100
R333
100
R335
100
R336
10k
R334
100
R359
100
R361
56k
R321
1k
R373
3.3k
R348
4.7k
R349
R372
100
R353
1k
56k
R326
R340
22k
R337
22k
R338
22k
R339
22k
150
R366
R317
47k
R345
1M
100
R346
680
R351
R371
100
R363
4.7k
R370
100
56k
R318
56k
R314
100
R328
100
R341
100
R327
100k
R310
100
R320
100
R307
100
R306
100
R305
100
R304
100
R303
100
R302
100
R301
0
R322
100
R342
DD_6V
E_4V
24.576MHz
X301
0
R440
12p
C315
4700p
C317
0.068
C318
10
C322
100p
C323
JL1802
JL1801
JL1803
2.2k
R1804
220p
C1802
J1801
220p
C1803
JL1805
0.1
C1804
JL1804
2.2k
R1805
100
R1806
IC1801
VCC
VOUT
GND
C398
0.1
CL302
CL306
CL305
CL303
CL304
CL301
18k
R319
DIR_CE
DIR_DI
DIR_RST
DIR_CLK
DIR_ER
DIR_DO
ARC_SPDIF
DIR_DI
DIR_DO
DIR_RST
DIR_CE
DIR/AD/D0
LRCK
BCK
MCK
DIR_NLPCM
DIR_ERROR
DIR_ZERO
HDMI_MCK
HDMI_BCK
HDMI_LRCK
HDMI_D0
HDMI_D2
HDMI_D3
DIR_XST
A
TE
MLPCM_D1
MLPCM_D2
MLPCM_D3
DIR_ER
HDMI_D1
BT_MUTE
BT_TXD
BT_RXD
BT_RTS
BT_CTS
BT_RESET
SP_SD0
HDMI_D0
SP_SD1
HDMI_D1
SP_SD2
HDMI_D2
SP_SD3
HDMI_D3
SP_MCK
HDMI_MCK
SP_SCK
HDMI_BCK
SP_SPDIF
PCONT_BT
DIR_CLK
SP_WS
HDMI_LRCK
ASEL_BT
DIR_DO
DIR_RST
DIR_CE
DIR_CLK
DIR_DI
DIR_ER
8
9
10
IC304
ANALOG IN
IC301
ANALOG AUDIO SELECTOR
IC303
DIGITAL AUDIO
IC302
MIX AMP
IC306
+3.3V REGULATOR
(4/8)
MAIN BOARD
BUS6
BUS7
>012S
MAIN
(7/8)
BOARD
>011S
MAIN
(5/8)
BOARD
14P
BT1
MODULE
Bluetooth
FFC1
>014S
MAIN
(7/8)
BOARD
TV
DIGITAL IN
3
1
>006S
MAIN
(2/8)
BOARD
>010S
MAIN
(3/8)
BOARD
INVERTER
+5V REGULATOR
INTERFACE RECEIVER
A/D CONVERTER,
100
10V
10V
>013S
MAIN
(8/8)
BOARD
10
11
12
13
14
15
G
16
H
17
I
F
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
8
9
100
R325
(Page 45)
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(Page 39)
(Page 44)
(Page 42)
(Page 44)