
Troubleshooting
5-6
Samsung Electronics
Pin 3 In IC702
Has about p-p 1V level?
Pin 7 In IC702
Has about p-p 1V signal?
Change Main PCB
Check the connection between
Pin 3 in IC702 and L1 Pin-Jack.
Check Pin 7 in IC702
of input power(5V).
No
No
Pin 2 / 4 in IC702 is
In Low and high state
Respectively?
No
No
No
Check the connection between Pin 2 and
Pin 4 in IC702 and Pin 92 and 91 in IC601.
Pin80 in VIC1 of Main PCB
has about p-p 1V level?
Pin40 and pin 54~43 in VIC1
of Main PCB has Clock and
Digital Video Signal
normal form ?
Check the connection between Pin 80 in
VIC1 of Main PCB and Pin 7 in IC702.
Check VIC1 of Main PCB
peripheral circuit. .
Yes
Yes
Yes
Yes
Yes
AV1 CVBS Video Input Error
Pin9/10
L/L : RF Signal
L/H : Line1
H/L : Line2
H/H : Reserved
CVBS(Color -bar)
A
Summary of Contents for DVD-R129
Page 4: ...14 Reference Information 14 1 14 4 14 1 About IEEE 1394 14 1 CONTENTS ...
Page 10: ...Precautions 1 6 Samsung Electronics MEMO ...
Page 22: ...Product Specification 2 12 Samsung Electronics MEMO ...
Page 49: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly Page 6 2 ...
Page 52: ...Exploded Views and Parts List 6 4 Samsung Electronics MEMO ...
Page 73: ...Samsung Electronics 9 1 9 Wiring Diagram ...
Page 74: ...Wiring Diagram 9 2 Samsung Electronics MEMO ...
Page 77: ...PCB Diagrams Samsung Electronics 10 3 FIC1 DIC5 DIC4 VIC1 CONDUCTOR SIDE ...
Page 80: ...PCB Diagrams 10 6 Samsung Electronics 10 3 Key PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 81: ...PCB Diagrams Samsung Electronics 10 7 10 4 Sub PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 82: ...PCB Diagrams 10 8 Samsung Electronics MEMO ...
Page 114: ...Operating Instructions 12 18 Samsung Electronics MEMO ...
Page 130: ...Circuit Operating Descriptions 13 16 Samsung Electronics MEMO ...
Page 134: ...Reference Information 14 4 Samsung Electronics MEMO ...
Page 139: ... Product Specification ...
Page 140: ... Chassis Product Specification ...
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Page 143: ...4 Disassembly and Reassembly ...
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Page 162: ... Block diagram ...
Page 166: ...7 11 Tuner Demodulator Block diagram of Tuner ...
Page 189: ...8 Troubleshooting ...
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