Troubleshooting
-31-
Troubleshooting
The flow chart shown below will help you to troubleshoot your Television set with it doesn’t display normally. Each procedure
offers a simple way to check for system errors. Before starting, ensure that there is a signal in and that the television is turned on.
Power LED indictor
has no light
Check CN14 PIN2
and CN15 Pin7=5V
NG
Change Power
board asembly
OK
Change IR board
assembly
Power LED only
indictor red light
Check CN15 Pin9=5V
OK
OK
NG
NG
Check U4 Pin54=3.3V
Change main board
assembly
Change Q3 or change
IR board assembly
Change Q1 or Q6
Summary of Contents for L32R200
Page 8: ...Main PCB Top Bottom Layer 8 Main PCB top layer ...
Page 9: ...Main PCB Top Bottom Layer 9 Main PCB bottom layer ...
Page 26: ...IC Block Diagram 26 ...
Page 27: ...IC Block Diagram 27 U9 U29 4 CHANNEL ANALOGUE MULTIPLEXER HEF4052BT ...
Page 28: ...IC Block Diagram 28 U23 5A LOW DROPOUT LINEAR REGULATOR 1 8V TO 263 3 U28 ...
Page 30: ...Transistor Mark 30 BC847B BC846B PT7M7809S7 ...
Page 35: ...Parts List 35 o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P FOR REFERENCE ONLY ...
Page 36: ...Parts List 36 o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P FOR REFERENCE ONLY ...
Page 37: ... o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P Parts List 37 FOR REFERENCE ONLY ...
Page 38: ...Parts List 38 o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P FOR REFERENCE ONLY ...
Page 39: ...Parts List 39 o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P FOR REFERENCE ONLY ...
Page 41: ...Parts List 41 o N t i u c r i C y t Q n o i t p i r c s e D o N t r a P FOR REFERENCE ONLY ...
