Read Sony DPP-EX50 Service Manual online
2
DPP-EX50 V1
3. Service Mode
3-1.
Operation panel ........................................................................................... 3-1
3-2.
Activation .................................................................................................... 3-2
3-3.
Density Adjustment during Thermal Head Replacement ........................... 3-3
3-4.
Confirmation and Adjustment of Video Output Level ............................... 3-7
3-5.
Operation Check of Key, Fan, LED, LCD and Buzzer ............................... 3-9
3-6.
USB Host and Device Communication Check ......................................... 3-12
3-7.
Mechanical Operation Check .................................................................... 3-13
4. Troubleshooting
4-1.
Electrical Troubleshooting .......................................................................... 4-1
4-2.
Error Display ............................................................................................... 4-2
4-3.
Upgrade ....................................................................................................... 4-5
4-3-1.
Firmware .................................................................................... 4-5
4-3-2.
Upgrade ...................................................................................... 4-5
4-4.
Mechanical Troubleshooting ....................................................................... 4-6
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