Samsung Electronics
CVBS output error
Pin of DAC VDD25 in ZIC1 has normal level?
Yes
27MHz clock
input is normal at pin 161 in ZIC1?
Yes
Analog output
is normal at pin 169
in ZIC1?
Yes
Analog signals are inputted normally at pin4 in VIC01?
Yes
Power is normal at pin 1, 16 in
VIC01.
Yes
Peak to peak
voltage level of VR104?
Yes
Video signal of
about 1V appears at output jack at pin3?
Yes
Check the cable.
No
No
No
No
No
No
No
Check the connection to positive pin in PE120.
Check the connection between
pin 161 in ZIC1 and ZX101.
Check the soldering of ZIC1.
Check the connection between
pin 169 in ZIC1 and VIC01.
Check the connection betwen
VIC01 and pin 4 in PQ118.
Check the soldering of VIC01.
Check the connection between VIC01 and output jack.
Battery charging error
Pin30 in UIC01 is in high state?
Yes
VDD and 5V
appears at pin5 in PIC03?
Yes
pin2,4 in PQ502 is in low state?
Yes
Collector in PQ505
is in low state?
Yes
Pin33 in
UIC01 is in high state?
Yes
VDD appears at pin10,24,35 in UIC01?
Yes
8.38MHz is normal
at pin40,41, in UIC01?
Yes
Check the battery.
No
No
No
No
No
No
No
Check the connection between pin4 in PIC03 and pin30 in UIC01.
Check the connection to
pin8 in PIC04.
Base in PQ503 | No | |
is in high state? |
| |
| Yes |
|
|
| |
|
| |
Change PQ503 |
| |
|
| |
|
|
|
Change PQ505 and PR506. |
| |
|
| |
|
| |
Check the connection betwen |
| |
pin33 in UIC01 and pin2 in PJ501. |
| |
|
|
|
Check the connection between pin10,24,35 in UIC01 and pin1 in PIC04.
Change UXT02.
Check the connection between
pin base in PQ503 and pin48 in UIC01.
Troubleshooting
