Troubleshooting
9-18
Samsung Electronics
CVBS output error
27MHz clock
input is normal at
pin 161 in ZIC1?
Analog output
is normal at pin 170
in ZIC1?
Check ZY1.
Check the soldering of ZIC1.
Yes
Yes
No
No
Analog signals are
inputted normally
VIC1-2?
Yes
No
Power is
normal at VIC1-1, 34?
Yes
No
Pin 5 in VIC1
is in high stste?
Yes
Check the connection netween
pin 133 in ZIC1 and VIC1.
Check the connection betwen
VIC1-1 and PDS52.
Check the connection between
PDS52 and pin 1 in VIC1.
Check the soldering of VIC1.
No
No
Check the connection between
VIC1 and output jack.
Pin of VDDP
in ZIC1 has normal level?
Check the connection between
pin 1 in PCNS1 and pin 1 in ZIC5.
Yes
No
Peak to peak
voltage level of VIC1-33?
Video signal of
about 1V appears at
output jack?
Yes
No
Yes
Check the RCA cable.
Summary of Contents for SV-DVD50
Page 82: ...Circuit Operating Descriptions 7 7 Fig 7 12 Block Diagram...
Page 116: ...Circuit Operating Descriptions 7 41 3 Block Diagram Fig 7 38 LA70100M Block Diagram...
Page 141: ...VCR Deck Operating Description 8 12 Samsung Electronics Fig 8 14 Mecha Timing Chart...
Page 156: ...Samsung Electronics 11 1 11 Wiring Diagram...
Page 158: ...Schematic Diagrams 12 2 Samsung Electronics 6 1 S M P S...
Page 159: ...Schematic Diagrams Samsung Electronics 12 3 6 2 Power Drive...
Page 160: ...Schematic Diagrams 12 4 Samsung Electronics DT701 6 3 Display Function...
Page 161: ...Schematic Diagrams Samsung Electronics 12 5 6 4 System Control Servo...
Page 162: ...Schematic Diagrams 12 6 Samsung Electronics 6 5 A V...
Page 163: ...Schematic Diagrams Samsung Electronics 12 7 6 6 Hi Fi...
Page 164: ...Schematic Diagrams 12 8 Samsung Electronics 6 7 A2 NICAM...
Page 165: ...Schematic Diagrams Samsung Electronics 12 9 6 8 SECAM Option...
Page 166: ...Schematic Diagrams 12 10 Samsung Electronics 6 9 OSD VPS PDC...
Page 167: ...Schematic Diagrams Samsung Electronics 12 11 6 10 TM...
Page 168: ...Schematic Diagrams 12 12 Samsung Electronics 6 11 Input Output...
Page 169: ...Schematic Diagrams Samsung Electronics 12 13 6 12 DVD AV Decoder...
Page 170: ...Schematic Diagrams 12 14 Samsung Electronics 6 13 DVD Servo...
Page 171: ...Schematic Diagrams Samsung Electronics 12 15 6 14 DVD Audio Video...