Trouble Shooting
Samsung Electronics
5-9
AV3 Audio Input is not Recording
I2C singnals in
IC216(pin16, 18) are swinged
between 0~5V?
Check audio
signal (41,42 pin of IC216)
wave form.
Check the
supply voltage of VIC1 3.3V
(Main PCB)
Check output I2S
singnal of audio DAC (
VDR48,
VDR54,VDR55,VDR56
)
Check the connection
between IC216(pin16m 18)
and FIC1(pin27,28)
Replace Main PCB
Replace Main PCB
Check the around supply
voltage of IC216.
No
No
No
Yes
Yes
Yes
Yes
Check the passive parts
around jack pin.
Digital clock(10)->VDR48
Digital clock(11)->VDR54
Digital clock(12)->VDR55
Digital clock(15)->VDR56
No
Summary of Contents for DVD-HR753
Page 70: ...Samsung Electronics 9 1 9 Wiring Diagram ...
Page 72: ...PCB Diagrams 10 2 Samsung Electronics 10 1 S M P S PCB COMPONENT SIDE ...
Page 73: ...PCB Diagrams Samsung Electronics 10 3 CONDUCTOR SIDE ...
Page 78: ...10 4 HDMI PCB CONDUCTOR SIDE IC1 COMPONENT SIDE PCB Diagrams 10 8 Samsung Electronics ...
Page 79: ...PCB Diagrams Samsung Electronics 10 9 10 5 Function PCB CONDUCTOR SIDE COMPONENT SIDE ...
Page 101: ...Samsung Electronics 12 1 12 Operating Instructions ...
Page 102: ...Operating Instructions 12 2 Samsung Electronics ...
Page 103: ...Operating Instructions Samsung Electronics 12 3 ...
Page 104: ...Operating Instructions 12 4 Samsung Electronics ...
Page 105: ...Operating Instructions Samsung Electronics 12 5 ...
Page 106: ...Operating Instructions 12 6 Samsung Electronics ...
Page 107: ...Operating Instructions Samsung Electronics 12 7 ...
Page 108: ...Operating Instructions 12 8 Samsung Electronics ...
Page 109: ...Operating Instructions Samsung Electronics 12 9 ...
Page 110: ...Operating Instructions 12 10 Samsung Electronics ...