DM588 Service Manual
Pin NO.
Port NO.
Network Name
Description
C7
GPIO_D17
RED_LED
Enable red indicator
A8
GPIO_D18
GREEN_LED
Enable green indicator
AA18
GPIO_D22
SWITCH_A
Channel encoding switch
AB17
GPIO_D23
SWITCH_B
Channel encoding switch
AA17
GPIO_D24
ENTER
Channel encoding switch
AA15
GPIO_D30/D93 PASELECT
Switch to internal/external speaker
AC16
GPIO_D110
MUTE
Speaker mute
AC21
LCD_D0
LCD_D0
Data 0 of parallel interfaced LCD
AC20
LCD_D1
LCD_D1
Data 1 of parallel interfaced LCD
W22
LCD_D2
LCD_D2
Data 2 of parallel interfaced LCD
AA22
LCD_D3
LCD_D3
Data 3 of parallel interfaced LCD
AC22
LCD_D4
LCD_D4
Data 4 of parallel interfaced LCD
AB23
LCD_D5
LCD_D5
Data 5 of parallel interfaced LCD
Y22
LCD_D6
LCD_D6
Data 6 of parallel interfaced LCD
AC23
LCD_D7
LCD_D7
Data 7 of parallel interfaced LCD
AB22
LCD_RD
LCD_RD
Allow LCD operation
AB20
LCD_WR
LCD_WR
LCD write/read control
AB21
LCD_CS
LCD_CS
Chip select of LCD
AB19
GPIO_D15
LCD_RST
Reset LCD
V14
LCD_RS
LCD_RS
LCD command data
C9
GPIO_D105
LCD_BL
LCD backlight
W14
GPIO_D101
E2_WP
E2 write protection
C17
I2C_SCL
I2C_SCL
I2C clock (E2, ADC)/ add external CODEC
C18
I2C_DATA
I2C_DATA
I2C data (E3, ADC)/ add external CODEC
AC15
GPIO_D92
ADC_RDY
ADC ready
F6
GPIO_D111
BT_ENABLE
Bluetooth module power switch
F5
GPIO_D112
BT_RST
Reset Bluetooth module
V19
GPIO_D96
KB_C0
Keyboard
T21
GPIO_D97
KB_C1
Keyboard
U18
GPIO_D98
KB_C2
Keyboard
V16
GPIO_D99
KB_C3
Keyboard
V22
GPIO_D10
KC_R0
Keyboard
V15
GPIO_D11
KC_R1
Keyboard
U21
GPIO_D12
KC_R2
Keyboard
U19
GPIO_D13
KC_R3
Keyboard
V17
GPIO_D100
KEYPAD_BL
Keyboard backlight
H5
USB_DM
USB_DM
USB port
J5
USB_DP
USB_DP
USB port
L1
HPL_OUT
MODE1
Crystal modulation out
M1
HPR_OUT
MODE2
VCO modulation out
IC22
VOUTB
APC
Tx power control
IC22
VOUTA
RXTV
Receiving band-pass control
E2
HP_MICN
AFADC
Demodulated signal in
J19/IC2.
AIN1
BSENS
SQL
Signal quality detection
8
Summary of Contents for DM588
Page 142: ...DM588 Service Manual Figure 4 Top Layer Layout Drawing of Main Board B Board 139 ...
Page 143: ...DM588 Service Manual Figure 5 Bottom Layer Layout Drawing of Main Board B Board 140 ...
Page 144: ...DM588 Service Manual Figure 6 Top Layer Layout Drawing of Main Board D Board 141 ...
Page 145: ...DM588 Service Manual Figure 7 Bottom Layer Layout Drawing of Main Board D Board 142 ...
Page 147: ...DM588 Service Manual Figure 9 Top Layer Layout Drawing of LCD Board 144 ...
Page 148: ...DM588 Service Manual Figure 10 Bottom Layer Layout Drawing of LCD Board 145 ...
Page 150: ...DM588 Service Manual Figure 12 Top Layer Layout Drawing of Key Board 147 ...
Page 151: ...DM588 Service Manual Figure 13 Bottom Layer Layout Drawing of Key Board 148 ...