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TVB-S201 PRO service manual b. Check VCC +5V, Service Manual, L34 PIN1, Version, Page
Models:
TVB-S201 PRO
1
6
18
18
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18 pages
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Troubleshooting
Parts list
c. Block Diagram
Removal and Replacement
Testing Procedures
A T Check X1 X’TAL signal T Check OSC signal T
Service Manual
Page 6
Image 6
Service Manual
b. Check VCC +5V
L34 PIN1
Version 1.0
Page 5
Page 5
Page 7
Page 6
Image 6
Page 5
Page 7
Contents
Service Manual
TVB-S201 PRO
Testing Procedures
Table of Contents
Block Diagram
INTRODUCTION
a. Hardware
c. Block Diagram
Chapter 1. INTRODUCTION
b. Software
Version
Chapter 2. Testing Procedures
a. Testing flow chart
Page
Check Y301 X’TAL signal T Check U1 CLK signal T END
Service Manual
A T Check X1 X’TAL signal T Check OSC signal T
REPLACE X1,U22 REPLACE X2,U5,U1
L34 PIN1
b. Check VCC +5V
Service Manual
Version
REG2.PIN
c. Check REG2 Pin 2 Signal
Service Manual
Version
REG5 PIN2
d. Check REG5 Pin 2 Signal
Service Manual
Version
REG3 PIN2
e. Check REG3 Pin 2 Signal
Service Manual
Version
REG4 PIN2
f. Check REG4 Pin 2 Signal
Service Manual
Version
Version
g. Check X1,U22 Pin 26 X’TAL Signal
U22 PIN26
Page
U1 PIN41 U5 PIN62
h. Check X2 Pin 3,U5 Pin 62,U1 Pin 41 OSC Signal
Service Manual
Version
C322 PIN1
i. Check Y301 X’TAL Signal
Service Manual
Version
U1 PIN58 U5 PIN66
j. Check U1 CLKSAA Signal
Service Manual
Version
U1 PIN136
k. Check U1 RAMCLK Signal
Service Manual
Version
Troubleshooting Guide
Chapter
Chapter 4. Removal and Replacement
Chapter
Chapter 6. Tools
Parts list
Description
