Samsung Electronics
4-13
Troubleshooting
4-1-3 No Analog Video Output
COMPOSIT (VIDEO OUT)
Check if VDAC
output is measured at the pin 100 of
MIC1 ES8391.
Yes
Check if output
is measured at the pin 33 of
VIC1 LA73054.
Check if VDD of
3.3V is measured at the pin 1, 14, 30,
46, 62, 77 of MIC1.
Check if VDD of
5V is measured at the pin 1, 24, 34
of VIC1.
Replace the MIC1 IC.
Replace the VIC1.
Check if the pin 10, 11 of
MCON2 are 3.3V.
Check if the pin 3 of CON3 is
5V.
No
Yes
No
No
COMPOSIT (VIDEO OUT)
Yes
Yes
No
Check the JP6 connectivity
and replace it if necessary.
Check MPEG Output.
Check Video Switch.
Check JACK Output.
Check if composite video
output is measured at the JP6.
Refer to wave pattern
image of Fig. 4-6.
Refer to wave pattern
image of Fig. 4-7.
Summary of Contents for HT-TZ315
Page 18: ...3 4 Samsung Electronics MEMO ...
Page 28: ...4 10 Samsung Electronics Troubleshooting AMP Page 7 5 Fig 4 4 1 ...
Page 48: ...MEMO 4 30 Samsung Electronics ...
Page 74: ...6 8 Samsung Electronics PCB Diagram 6 5 AMP PCB Bottom J7 J3 ...
Page 75: ...Samsung Electronics 6 9 PCB Diagram 6 6 BLUETOOTH PCB Top 6 7 BLUETOOTH PCB Bottom CON1 ...
Page 80: ...6 14 Samsung Electronics PCB Diagram 6 10 SMPS PCB Top CN2 ICMI CN3 ...