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TVB-S201 PRO i. Check Y301 X’TAL Signal, Service Manual, C322 PIN1, Version, Page
Models:
TVB-S201 PRO
1
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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 13
Image 13
Service Manual
i. Check Y301 X’TAL Signal
C322 PIN1
Version 1.0
Page 12
Page 12
Page 14
Page 13
Image 13
Page 12
Page 14
Contents
TVB-S201 PRO
Service Manual
Block Diagram
Table of Contents
Testing Procedures
INTRODUCTION
Chapter 1. INTRODUCTION
c. Block Diagram
a. Hardware
b. Software
a. Testing flow chart
Chapter 2. Testing Procedures
Version
Page
A T Check X1 X’TAL signal T Check OSC signal T
Service Manual
Check Y301 X’TAL signal T Check U1 CLK signal T END
REPLACE X1,U22 REPLACE X2,U5,U1
Service Manual
b. Check VCC +5V
L34 PIN1
Version
Service Manual
c. Check REG2 Pin 2 Signal
REG2.PIN
Version
Service Manual
d. Check REG5 Pin 2 Signal
REG5 PIN2
Version
Service Manual
e. Check REG3 Pin 2 Signal
REG3 PIN2
Version
Service Manual
f. Check REG4 Pin 2 Signal
REG4 PIN2
Version
U22 PIN26
g. Check X1,U22 Pin 26 X’TAL Signal
Version
Page
Service Manual
h. Check X2 Pin 3,U5 Pin 62,U1 Pin 41 OSC Signal
U1 PIN41 U5 PIN62
Version
Service Manual
i. Check Y301 X’TAL Signal
C322 PIN1
Version
Service Manual
j. Check U1 CLKSAA Signal
U1 PIN58 U5 PIN66
Version
Service Manual
k. Check U1 RAMCLK Signal
U1 PIN136
Version
Chapter
Troubleshooting Guide
Chapter 4. Removal and Replacement
Parts list
Chapter 6. Tools
Chapter
Description