Chapter 5. Appendix - Sure Electronics TK2050 User Manual

FIGURE 5-1 SCHEMATIC 1
+5V
R1
10k
+5V
MCLR
R2 10k
C1
0.1uF/50V R4
FAULT1
+5V
R5
10K
R7
RT/NTC
Note: All the schematics in this chapter are used for reference only. There might be a tiny difference in
production batch.
© 2004-2009 Sure Electronics Inc.

Chapter 5. Appendix

U1 PIC16F690/SSOP
1
VDD
2
RA5/OSC1 RA0/AN0/PGD
3
RA4/AN3/OSC2 RA1/AN1/ref /PGC
4
RA3/MCLR/Vpp
5
RC5/CCP1
6
RC4
7
RC3/AN7
8
RC6/AN8/SS RB4/AN10/SDI/SDA
9
RC7/AN9/SDO RB5/AN11/RX/DT
330R 10
RB7/TX/CK RB6/SCK/SCL
NTC1 NTC2
2*100W @4Ω TK2050 CLASS-D
AUDIO AMPLIFIER BOARD
20
VSS
PGD
19
18 PGC
17
NTC2
RA2/AN2
16
NTC1
RC0/AN4
15
HUMTE
RC1/AN5
14
PWM
RC2/AN6
13
12
11 R3 330R
+5V
R6
10K
R8
RT/NTC
USER'S GUIDE
PGC
PGD
+5V
MCLR
FAULT2
1
PWM
R9
10K
AA-AB32181_Ver1.0_Page 13
J1 con6
6
5
4
3
2
1
+12V
J2
1
2
CON2
Q1
AX3400 SOT-23