Troubleshooting
Samsung Electronics
5-25
No Search Operation
MIRR, SIC1-157
output is normal?
Actual velocity occurs
at SIC1-34 terminal?
Actual velocity occurs
at SIC3-32, 33 terminal?
Check RIC1 peripheral circuit.
RFAGCO, RIC1-72
output level is normal?
Check SIC1 peripheral circuit.
Check SIC3 peripheral circuit.
No
No
No
No
Yes
TE occurs in
search range?
Focus On?
Yes
Yes
Yes
A
See "Fine Seek Check"
No
Yes
Check pick-up.
No
FINE SEEK Check
FINE SEEK MIRR
signal (RIC1-65) is missing?
TZCO signal
(SIC1-24) is occurs?
Track incomming is
delayed?
TE is within
2V and 3V?
Pick-up transfer smooth.
Check RIC1 Peripheral curcuit.
Check SIC1 Peripheral curcuit.
Time out due to many jump counts.
Check SIC1 peripheral circuit.
SIC1-33 output
is normal?
SIC3-28, 29
terminal outputs are
normal?
Check DCN1 and pick-up.
Check MECHA.
Check RIC1-26 terminal.
Check SIC3 peripheral circuit.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Summary of Contents for TC29J6MNX/XAX
Page 54: ...8 4 Samsung Electronics MEMO ...
Page 57: ...Schematic Diagrams 9 3 Samsung Electronics TP04 TP05 TP06 TP07 TP08 TP09 TP10 TP11 TP12 ...
Page 58: ...Schematic Diagrams 9 4 9 3 TP13 TP14 9 3 MAIN 3 TP13 TP14 ...
Page 60: ...Schematic Diagrams 9 6 Samsung Electronics TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 ...
Page 61: ...Schematic Diagrams 9 7 Samsung Electronics 9 5 POWER BLOCK ...
Page 63: ...Schematic Diagrams 9 9 Samsung Electronics 9 7 INTERFACE BLOCK ...
Page 64: ...Schematic Diagrams 9 10 Samsung Electronics 9 8 CRT BLOCK ...
Page 65: ...Schematic Diagrams 9 11 Samsung Electronics 9 9 COMB ...
Page 66: ...Schematic Diagrams 9 12 Samsung Electronics 9 10 AV Decoder ...