Contents
TVB-S201 PRO
Service Manual
INTRODUCTION
Table of Contents
Block Diagram
Testing Procedures
b. Software
c. Block Diagram
Chapter 1. INTRODUCTION
a. Hardware
Page
Chapter 2. Testing Procedures
a. Testing flow chart
Version
REPLACE X1,U22 REPLACE X2,U5,U1
Service Manual
A T Check X1 X’TAL signal T Check OSC signal T
Check Y301 X’TAL signal T Check U1 CLK signal T END
Version
b. Check VCC +5V
Service Manual
L34 PIN1
Version
c. Check REG2 Pin 2 Signal
Service Manual
REG2.PIN
Version
d. Check REG5 Pin 2 Signal
Service Manual
REG5 PIN2
Version
e. Check REG3 Pin 2 Signal
Service Manual
REG3 PIN2
Version
f. Check REG4 Pin 2 Signal
Service Manual
REG4 PIN2
Page
g. Check X1,U22 Pin 26 X’TAL Signal
U22 PIN26
Version
Version
h. Check X2 Pin 3,U5 Pin 62,U1 Pin 41 OSC Signal
Service Manual
U1 PIN41 U5 PIN62
Version
i. Check Y301 X’TAL Signal
Service Manual
C322 PIN1
Version
j. Check U1 CLKSAA Signal
Service Manual
U1 PIN58 U5 PIN66
Version
k. Check U1 RAMCLK Signal
Service Manual
U1 PIN136
Chapter
Troubleshooting Guide
Chapter 4. Removal and Replacement
Description
Chapter 6. Tools
Parts list
Chapter
