Read Sharp GX-BT3 (serv.man4) Service Manual online
GX-BT7
6 – 1
CHAPTER 6. DIAGRAM
[1] Main/Amplifier Block Diagram
Figure 6-1: MAIN/AMPLIFIER BLOCK DIAGRAM
30
29
28
27
10
13
OUT_1 A
OUT _1B
OU
T
_
2
B
OUT
_2
A
A
33
34
MCLK
BICK
LRCK
SDI
RESET
SDA
SCL
31
F
R
ONT
S
PEAKER
TERMINA
L
I2S
Pairing, Volume Up, Volume Down, Funcon, Esound
KEY1
POWER KEY
24 MHz.
On/Standby
38
ADC_CH_0
67
ADC_CH_1
43
44
PI24M
H
Z
PO24M
H
9
6
B
A
34
2
6
EEPROM
5
6
SD
A
SCL
59
MCLK
58
51
52
_
SCL
_S
D
A
57
BICK
AUDIO
IN
Jack
L-Ch
R-Ch
72
75
LAUX
RAUX
_
UP
71
76
LIN
RIN
OTK5262
CURRENT
LIMITER
D+
D-
D-
5V DCDC
Motor Driver
BA6287
3
5V/3A
4
5
USB Jack
5V/2.1A
SPI Flash IC
7
1
2
3
33
34
USB D+
USB D-
26
25
24
SPI_FLASH _D2
SPI_FLASH _D1
SPI_FLASH _CS
23
SPI FLASH D3
47
USB POW EN
46
54
MOT +
MOT -
66
63
OPEN_SW
CLOSE_SW
SWITCH
56
57
LRCK
SDI
48
AMP RESET
L+
L-
R+
R-
NFC
BLUETOOTH
MODULE
F-3088
4
6
5
1
2
6
IR
DA
62
BT
_
W
AKE
_
4
11
BT
_L
ED
2
LE
D_
CL
K
12
LED DRIVER IC
(16 port)
2
4
3
1
2
3
LE
D_S
D
I
L
E
D_LE
8
PWCLK
7
6
5
21
22
23
SPI_FLASH _D0
SPI_FLASH _D3
SPI_FLASH _CLK
53
5
9
PI32KH
Z
P
032KH
Z
10
OP AMP
21
Front Speaker (L-Ch)
Front Speaker (R-Ch)
3
Ω
3
Ω
SUBWOO
F
ER
SPEAKER
TERM
INAL
Subwoofer Speaker
12
Ω
Subwoofer Speaker
12
Ω
32.768 kHz.
EQ Level
Meter
ADC
Pairing Led (Blue)
USB Led (orange)
Running Light : Blue LED X 8 pcs (L-ch)
Running Light : Blue LED X 8 pcs (R-ch)
APPLE IC
IC602
IC601
IC600
IC804
SW161/SW162
ICA100
IC603
IC400
JK580
Y1
POWER AMP IC
JK500
IC560
IC540
IC604
X601
LED701
LED700
RM760
IR
Sensor
BT
_
V
OL
-
B
T_VO
L+
17
16
15
14
IC900
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