HBD-E770W
HBD-E770W
54
54
5-26. SCHEMATIC DIAGRAM - MAIN Board (1/5) -
• See page 60 for Waveforms. • See page 68 for IC Block Diagrams. • See page 77 for IC Pin Function Description.
2.5
0
0
3.3
1.3
3.4
4.2
0
3.3
0
0
3.2
3
3.3
3.3
3.3
1.8
1.6
3.3
3.3
3.3
3.4
0
3.3
0
3.3
3.3
3.3
0.4
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
3.3
3.3
3.3
3.3
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
2.5
2.5
3.3
3.3
3.3
3.3
3.3
2.5
3.3
0
3.3
3.3
3.3
3.3
3.3
2.5
3.3
3.3
0
0
3.3
3.3
3.3
3.3
R587
100
R589
100
0.1
C515
0
R550
0.1
C516
10k
R586
100k
R590
47k
R613
0.22
C526
10k
R618
0.01
C527
0.022
C529
4.7k
R580
4.7k
R582
MA2J1110GLS0
D502
22
R565
R521
2.7k
100
R525
0.1
C508
0.1
C512
R542
10k
10k
R547
JL596
JL597
JL599
JL594
JL578
JL601
JL591
JL592
22
R599
C519
47p
100
R563
R594
4.7k
R595
4.7k
100
R530
C509
0.1
R522
10k
1000p
C518
10k
R553
R527
1k
R555
10k
C525
100p
JL530
JL531
EN
LAT3
LAT2
LAT1
SHIFT_DIR_CL
SCDT_DIR_DI
SOFT_MUTE
NS_INIT
JL540
JL623
JL586
6MHz
X500
100
R546
100
R570
100
R569
100
R567
100
R538
100
R607
22
R606
0.1
C524
1
2
3
4
5
6
7
8
9
9P
CN510
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
100
R531
R529 1k
C507
0.1
R523
10k
C510
0.1
R524
10k
C511
0.1
100
R532
R549
10k
S-80935CNMC-G85T2G
IC503
FAN_CONT
R593
10k
JL624
R651
1k
47k
R652
JL626
10k
R654
JL625
JL541
R572
22
100p
C521
0.1
C522
R519
10k
JL585
JL584
R528
1k
C506
0.01
0
R568
27k
R574
JL519
JL520
2SC4154TP-1EF
Q504
Q507
RT3CLLM
CL507
100k
R601
10k
R588
JL548
JL550
JL562
JL565
JL566
JL568
JL569
JL570
JL571
JL574
JL576
JL587
JL588
JL589
JL590
JL581
JL580
JL579
JL564
JL557
JL555
JL575
JL573
JL577
JL582
JL583
JL535
JL536
JL537
JL538
JL543
JL539
22
R596
22
R597
JL533
JL534
JL567
R545
10k
DC-DET
OVF1
DIAG
OVF2
A.CAL_OUT
SL501
47k
R577
100
R556
NSP_MUTE
100
RB504
Lch
AGND
Rch
A12V
PCONT_FL
MA2J1
110GLS0
D506
MA2J1
110GLS0
D508
R533
1M
13
14
15
16
17
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
0
R544
FAN_ON
R685
0
P-GND
R615
47k
CL502
SD3_SurrBACK
MA2J1110GLS0
D3070
C528
0.1
SHIFT_DIR_CL
SIRCS_IN
NS_INIT
OVF2
OVF1
LAT3
LAT2
LAT1
SHIFT_DIR_CL
SCDT_DIR_DI
SOFT_MUTE
OVF1
OVF2
DC-DET
FAN_CONT
FL_CS
FL_CLK
LA
T2
LA
T3
S-AIR_RST
ST_CE
OPWRSB
FE_EJECT
TXD1
RXD1
DIAG
BD_PCONT4
BD_PCONT3
BD_PCONT2
BD_PCONT1
ST_CLK
ST_DI
BD_PCONT6
BD_PCONT5
BD_SDI
BD_SCLK
SOFT_MUTE
LA
T1
ASEL0
Acal_Lv
JIG_MODE
ASEL2
ASEL1
ASEL0
FAN_CONT
NS_INIT
BD_CS
BD_RESET
ASEL1
ASEL2
NSP_MUTE
NSP_MUTE
CORE_RST
FAN_ON
FAN_ON
A.CAL_OUT
ST_DI
ST_CE
TUNED
ST_DO
ST_CLK
A.CAL_OUT
EN
DC-DET
JACK_DET
TUNED
CPU_PRERST
ID-SW
KEY1
ID-SW
Acal_Lv
BD_TEMP
PCONT_S-AIR
EN
DIAG
SCDT_DIR_DI
ST_DO
LED_PWM
RESET
BD_IF_REQ
BD_IF_START
KEY2
KEY0
PCONT_FL
S-AIR_ADC_SEL
S-AIR_GPIO2
TXD1
RXD1
CNVSS
RESET
S-AIR
UPG_ST
A
TUS
PCONT_FL
CNVSS
FL_DOUT
E2P_S-AIR_SDA
E2P_S-AIR_SCL
3
1
2
5
9
7
8
10
4
IC503
RESET SIGNAL GENERATOR
(1/5)
MAIN BOARD
ST_CLK
ST_DO
TUNED
ST_CE
ST_DI
(NC)
RESET SWITCH
-1 -2
POWER CONTROL
6
E
11
J
3
K
D
F
14
15
L
8
G
7
18
I
13
A
10
9
C
4
H
16
17
2
6
B
5
1
12
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
2
8
9
4
2
9
8
0
5
1
5
1
3
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299