Samsung HT-Z410 - Connecting the Video Out to Your TV

4-2 Samsung Electronics
Troubleshooting
4-1 Checkpoints by Error Mode
4-1-1 Power Failure
UIC1 Main PCB;
pin 14, 40, 55 and 89 of 5V?
Yes
Yes
Check for
POWER-SENSE (5V) at Main PCB
; pin 95 of UIC1
POWER PCB (SMPS)
CN2(6) CHECK → 5V?
Check NORMAL
VOLTAGE at SMPS PCB
; D51
Replace CON3 wire
Check pattern from CON3
to pin 95 of UIC1
Check for circuit at SMPS
PCB; ICM01, Fuse (F1), D81
Replace D51.
Check Resistance from GND
to pin 85 of MICOM (UIC1).
If short (0 ohm), Replace
MICOM (UIC1)
No
No
Yes
No
Yes
No
The power does not turn on.
When POWER ON
for Front PCB, Check for HIGH
voltage (5V) at ZIC; pin16
Replace the VFD DRIVER IC
(ZIC1).
No
Yes
A