DOWNLOAD Sharp GX-BT3 (serv.man4) Service Manual ↓ Size: 6.21 MB | Pages: 48 in PDF or view online for FREE

Model
GX-BT3 (serv.man4)
Pages
48
Size
6.21 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Reference
File
gx-bt3-sm4.pdf
Date
PREV: Sharp GX-BT3 (serv.man3) User Manual / Operation Manual

Sharp GX-BT3 (serv.man4) Service Manual ▷ View online

GX-BT7
3 – 2
CAUTION:
TO REMOVE SPEAKER UNIT, PRESS THESE LOCKING TABS
TO RELEASE SPEAKER WIRES.
SPEAKER UNIT
LOCKING
TAB
LOCKING TAB
SPEAKER
WIRE
Figure 6
Figure 8
(E3)x3
M2.6x8mm
(E2)x1
Key PWB
Function Button
(F3)x4
M3x6mm
(G1)x3
M3x6mm
(F2)x1
Figure 7
(F2)x1
(F2)x2
Main PWB
SMPS
(H1)x4
M3x10mm
(H1)x4
M3x10mm
(H2)x4
M3x10mm
(H2)x4
M3x10mm
Top Cabinet
Subwoofer (Right)
Speaker (Right)
Subwoofer
(Left)
Speaker (Left)
GX-BT7
4 – 1
CHAPTER 4. MAJOR PART DRAWING
IC600 VHiOTK5262/-1 : OPTEK SOC IC (1/5)
*All GPIO Pins can be General I/O when Column Descrption3 is no define in system, GPI just can be input pin 
Pin No.  Pin Name 
Type 
Description 1 
Description 2 
Description 3 
Description 4 
1
GPIO1[3]/SPI_MOSI EMI 
GPIO1-3
SPI 
MOSI 
2
GPIO1[5]/SPI_CS0 
EMI 
GPIO1-5
SPI port selection 
3
GPIO1[2]/SPI_CLK EMI 
GPIO1-2
SPI 
Clock 
4
GPIO1[4]/SPI_CS1 
EMI 
GPIO1-4
SPI port selection 
5
GPIO1[6]/SPI_MISO EMI 
GPIO1-6
SPI 
MISO 
6
GPIO0[2]/IR_INPUT I/O
GPIO0-2
IR 
input 
detect 
7
GPIO0[7]/SPDIF_OUT I/O
GPIO0-7
Digital Audio 
SPDIF output 
8
GPIO1[9]/PWM0_OUT/MODE1 I/O
GPIO1-9
PWM0 control 
output 
System Working 
mode selection 
9
PI32KHz Clock 
Standby mode 
clock input 
10 PO32KHz 
Clock 
Standby mode 
clock output 
11 
GPIO1[0]/UART0_TX/MODE0
SSP
GPIO1-0
UART0 Tx
System Working 
mode selection 
12
GPIO1[1]/UART0_RX
SSP
GPIO1-1
UART0 Rx 
13
PDVDD
Power Chip 
power 
supply 
14 PVDD_1V2 
Power 
Chip core power 
supply 1.2v 
15
CHIP_RESET
I/O
Chip reset 
16 
GPI1[29]/JTDO/ROTARY_0B 
I
GPI1-29 
Debug bus JTDO  Rotary0 B 
17 GPI1[12]/JTDI/ROTARY_0A 
I
GPI1-12 
Debug 
bus 
JTDI 
Rotary0 
A 
18 GPI2[31]/JTCK/ROTARY_1B/SPDIF_IN2 
I
GPI2-31 
Debug 
bus 
JTCK 
Rotary1 
B  Digital Audio 
SPDIF2 input 
19 
GPI2[30]/JTMS/RORARY_1A/SPDIF_IN1  I
GPI2-30 
Debug bus JTMS  Rotary1 A 
Digital Audio 
SPDIF1 input 
GX-BT7
4 – 2
IC600 VHiOTK5262/-1 : OPTEK SOC IC (2/5)
Pin No.  Pin Name 
Type 
Description 1 
Description 2 
Description 3 
Description 4 
20
PVSS
Power 
Chip digital ground 
21
A21/SPI_DATA0 EMI 
SDRAM address 
21 
External SPI flash 
data0 
22 A20/SPI_CLK 
EMI SDRAM address 
20 
External SPI flash 
clock 
23
A24/SPI_DATA3 EMI 
SDRAM address 
24 
External SPI flash 
data3 
24 A19/SPI_CS 
EMI SDRAM address 
19 
External SPI flash 
chip select 
25
A22/SPI_DATA1 EMI 
SDRAM address 
22 
External SPI flash 
data1 
26
A23/SPI_DATA2 EMI 
SDRAM address 
23 
External SPI flash 
data2 
27
PDVDD
Power 
Chip power supply 
28
USB_ID
USB
USB mode 
selection 
29
USB_VBUS
USB
USB VBUS 
30 VDDA_USB_1V2 
USB
USB digital power 
supply 1.2v 
31 10K_1%_REF 
USB
USB reference 
resistor 10k (1%) 
32 VCCA_USB_3V3 
USB
USB analog power 
supply 3.3v 
33
USB_DM
USB
USB data M 
34
USB_DP
USB
USB data P 
35
AGND
Power 
Chip analog 
ground 
36 ADC_RES_100K 
ADC
ADC reference 
resistor 100k 
37
ADC_CH_1
ADC
ADC channel1 
input  
38
ADC_CH_0
ADC
ADC channel0 
input  
39
AVSS_ADC
Power ADC 
ground 
40 AVDD_ADC
Power 
ADC power supply 
41
AVSS_PLL
Power PLL 
ground 
GX-BT7
4 – 3
IC600 VHiOTK5262/-1 : OPTEK SOC IC (3/5)
Pin No.  Pin Name 
Type 
Description 1 
Description 2 
Description 3 
Description 4 
42 AVDD_PLL 
Power 
PLL 
power 
supply 
43 PI24MHz 
Clock 
working clock 
input 
44 PO24MHz 
Clock 
working clock 
output 
45 PVDD_1V2 
Power 
Chip core power 
supply 1.2v 
46
GPIO0[14]/SD_DATA0 SSP
GPIO0-14
SD card data0 
47
GPIO0[12]/SD_CLK 
SSP
GPIO0-13
SD card clock 
48
GPIO0[13]/SD_CMD SSP
GPIO0-12
SD card 
command 
49
GPIO0[18]/SD_DETECT 
SSP
GPIO0-18
SD card detect 
50
GPIO0[19]/SDC_WP/NMI 
SSP
GPIO0-19
SD card wp 
NMI
51
GPIO0[5]/UART1_RX
SSP
GPIO0-22
52
GPIO0[9]/UART1_TX
SSP
GPIO0-9
UART1 Tx 
53 GPIO0[6]/SPDIF_IN0 
I/O
GPIO0-6
Digital Audio 
SPDIF0 input 
54 GPIO0[4]/PWM_ERR 
PWM 
GPIO0-2
PWM 
error 
flag 
55 
GPIO0[22]/I2S_IN_D0/MI2S_OUT_D0 
I2S 
GPIO0-22 
I2S data0 input 
Multi channel 
mode I2S data0 
output 
56 
GPIO0[25]/I2S_IN_D4/I2S_1_DOUT 
I2S 
GPIO0-25 
I2S data4 input 
I2S channel1 
data output 
57 GPIO0[27]/I2S_1_LRCK 
I2S  GPIO0-27  I2S channel1 
LRCK
58 GPIO0[26]/I2S_1_BCLK 
I2S  GPIO0-26 
I2S channel1 
BCLK
59 GPIO0[0]/MCLK1 
I2S  GPIO0-0
I2S 
main 
clock1 
60
PDVDD
Power 
Chip power supply 
61
PDVSS
Power 
Chip digital ground 
62 GPI2[21]/CH1_PWM_N 
PWM
GPI2-21 
PWM Audio 
output channel1 
terminal N 
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