Denon DHT-S216 - Trouble Shooting

TROUBLE SHOOTING
2. Keys do not work
Check the connection of the cable.
BT PCB to MAIN PCB
Replace the FFC.
OK
NG
Replace the [U5].
Check the voltage.
BT PCB [U5 : STB_5V]
Replace the BT PCB.
NG
OK
NG
Replace the MAIN PCB.
3. BT is not operating
Check the power supply voltage.
MAIN PCB [BT_3V6, BT_VCC]
Replace the [U1].
NG
OK
Replace the MAIN PCB.
1. The unit does not power on.
Check the connection of the cable.
BT PCB to MAIN PCB
[XP20 : 24pin FFC]
Replace the FFC.
OK
Replace the BT PCB.
Check the voltage.
MAIN PCB [STB_5V, STB_3V3]
Check the voltage.
MAIN PCB [AMP_VCC]
NG
OK
Replace the MAIN PCB.
NG
Replace the POWER PCB.
NG
OK
4. AUX IN is not operating
Check the [U11 : SYS_3V3]. Replace the [U11].
OK
NG
Replace the AUX[P3].
Check the AUX.
Check the soldering of AUX[P3].
OK
NG
Replace the MAIN PCB.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
36