P00 P01 P02 P03 P04 P05 P06 P07 P26 11 P25 12
GND U4 MC74HC595AD VDD SFTCLK QA LCHCLK QB QC RST QD OE QE QF QG QH SDI GND MC74HC595AD SDO
L1 8-8LED 9 14 8 12 1 7 2 5 13 3 4 10 6 11 15 16 ROW1 ROW2 ROW3 ROW4 ROW5 ROW6 ROW7 ROW8 L2 8-8LED GND
COL1 COL2 COL3 COL4 COL5 CO COL6 COL7 COL8
13 3 4 10 6 11 15 16
VCC C 16
P07 P06 P05 P04 P03 P02 P01 P00
8*8
8*8
YF017 VDDL BUSY L PWM DATA M PWM MA RST VDD GND C7 8 7 6 5
PL2303 下 下载器原 原理图和 PCB: 和
LED1 VC CC R4 1 2 1k U1
USART RXD 1 D 2 DTR 3 RTS
C1 Y1 12M 28 27 26 25 24 23 22 21 20 19 18 17 16 15 20p C2 20p
P27 P26 P25 P24 P23 P22 P21 P20
7 8 3 2 1 10 4 5 DIS1 2B_LED_2 _2281
0.1u(104)
C2可 取 22 2-47uF， 25V耐 压 GND
DIG1
P34 9
STC12C5A60S2 S
P42
GND GND 10K VCC GND
P23 P22
RST P3.0/RXD P3.1/TXD P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD XTAL2 XTAL1 GND P4.0 P4.1 P4.2/INT3 P4.3/INT2
C6 0.1u(104) 1 2 3 4
COL1 COL2 COL3 COL4 COL5 CO COL6 COL7 COL8
DS1302N
R10 VC CC 10K 4 3 2 1 ISP
P30 0 P31 1
GND VCC
R2
SW-SPST GND
10K K R1 1K D1 GND
GND VCC
A B C D E F G H
水银开关
DS18B20 1 2 3
14 15 16 P40 17 P41 28 P42 39 P43 6
P33 P30 5 P31 7 P32 8 P33 9 P34 10 P35 11 P36 12 P37 13
10 13 GND
P27 14
VCC
SFTCLK QA LCHCLK QB QC RST QD OE QE QF QG QH SDI SDO
15 1 2 3 4 5 6 7 9 VCC C 16 15 1 2 3 4 5 6 7 9
GND G C3 VCC C4 0.1u R2 R3 20 20 VCC V 0.1u USB + DD+ + NC C NC C _A USB_ GND
USART TXD USART RXD GND 3V3
R1 3V3 1.5k
R5 5
2 1 CON N2
10K K Diode 1N4148 Q1 3V3 R8 8 10 0K Q2 8550 R9 1K
P14 P13 P12
EA ALE/PROG PSEN
RX RX3 RX5 RX7 RX1X2 RX4 RX6 RX8 300 300 300 300 0 300 300 300 300 SPEAKER R
VCC
P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0
25 24 23 22 21 20 19 18
P40
GND R11
KEY_SWITCH
KEY_U UP GND KEY_D DOWN
P20
KEY_LEFT K
P21
KEY_RIG GHT GND
GND
P37
KEY_ROTATE
P35 6
DIG2
8
8
TEA A5767 收 收音、28 功放原理图及 PCB： 822 及
C2 R2 R3 3 47K 47K K U2 2 1 CON N2 VCC V 10 GND R1 1 2 3 4 5 SDA A ANT SCL L MPX BUS USMOS R_OUT W/R R L_OUT VCC C GND 10 9 8 7 6 ANT GND VCC V 0.1u GND SW 1 2 3 4 5 VCC 2 RV 10K 3 4.7U C3 8 R4 10K K 7 U1A EDA2822 1 C4 0.1u R5 10 GND 2 1 DC IN VC CC 2 1 VOIC OUT CE
BOOT0
805 50
R7 1K
R6 6 10 0K
TR DTR
RTS S
R10 1K
VCC工 作 电 压 为 2.5-5.5V
P32
VCC
10 13 GND
P24 14
R8 10K VC CC C3
1
+ -
2 BT 3V U2
GND 12pF C4 2
XT1 VCCX
8 1 6 P16
STC89C51
VCC1 VCC2 I/O
1
Y1 XTAL
XT2
R3 20
104 C5
SCLK RST X1 X2 GND
ROUT LOUT
2
ROUT LOUT
C8 C0 5767 TEA5 47u 0.1u
C1 100U
B
+ 4
TAP A
GND LS1
1
GND
C5 5 10 0U GND GND D U1B 6 5 C6 6 0.0 01u + EDA2822
Speaker GND 3 C7 0.1u R6 10
GND ห้องสมุดไป่ตู้ND
CON1
3V V3
4
USART TXD 5 D
5 4 3 2 1
C0 GND VCC R0 1k GND
RESET T
GND VCC
47u LED0 VC CC D1 3V3
6 7 8 9 10 11 12 13 14
TXD OSC2 DTR_N OSC1 RTS_N PLL_TEST VDD_325 GND_A RXD NC RI_N GP1 GND GP0 NC GND DSR_N VDD_5 DCD_N RESET/NC CTS_N GND SHTD_N VO_3V3 EE_CLK DM EE_DATA A DP PL2303HX
主控 控板原理图和 PCB：
U3 VDD
P26 11 P25 12
VCC 1 2 3 DC IN GND VCC R4 100 3 2 1 HX1838 GND VCC 104 C2 C1 C 100u 1 VCC 1 2 CON1 GND PHONE E_IN 5 P10 4 3 R13 2 P11 1 200 GND U1 U GN ND 7 5 2 3 4 4 GND VCC GND D S1
P10 40 P11 41 P12 42 P13 43 P15 R5 10K P14 44 P17 R6 R7 XT1 10K P15 1 10K P16 2 XT2 P17 3 VCCX
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7
8 GND
12pF
P00 P01 P02 P03 P04 P05 P06 P07
9 14 8 12 1 7 2 5
ROW1 ROW2 ROW3 ROW4 ROW5 ROW6 ROW7 ROW8
8 GND 1 2 TEST V GND VCC VCC P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 38 37 36 35 34 33 32 31 30 29 27 26