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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
KDC-V7022
TEST MODE
q Menu-related specifications
� A short press of the Q key initiates the menu mode. � Pressing the DNPP key on the remote initiates the Menu mode. � Continuous holding of a remote control key is inhibited, and workings are short press of any keys. � Contrast is adjusted in 3 steps of 0 / 5 / 10 with the Track Up/Down keys (Default value at 5).
q Panel mechanism
� Auto-panel close inhibition when set-in the CD. � The panel operation inhibition at power ON/OFF and ACC ON/OFF. � The panel position changing Eject � Last with a short press � of the PLAY/PAUSE keys.
q Other specifications
� No displays such as �CODE OFF/ON� during Power-ON. � The LINE MUTE inhibition time is one second from 10 seconds when start-up the test mode. � Do not write the security code with the security jig on the test mode. � Do not write the serial with the serial writing jig on the test mode. � OEM display output is not stop if OEM display not connection on the test mode.
q Backup current measurement
When the unit is reset while ACC is OFF (i.e. by turning Backup ON), the MUTE terminal goes OFF in 2 seconds in place of 15 second. (The CD mechanism is not activated at this time.)
q Special display when the display is all on
Pressing the Preset keys while the power is ALL OFF displays the following information.
[PRESET 1] Version display (8 digits, Month/Day/Hour/Minute) (Display) SYS xxxxxxxx : System microcomputer PAN xxxxxxxx : FL model only MEM xxxxxxxx : 4 contrasts FL model only [PRESET 2] Serial number display (8 digits) (Display) SNo xxxxxxxx [PRESET 3] Short press : View power ON time. (The All OFF period is not counted.) 2 seconds long press/hold : Clear power ON time at the power ON time displaying. (Display) PonTim xxxxx [PRESET 4] Max. 60000 (hours)
q Switching the frequency span (K/M type)
While holding the Preset 1 key and Preset 5 key, reset the unit.
q Response to OEM setting (Destination of electronic volume setting)
S03F/E models are response to OEM models option at put in µ-com 2 pin. Its setting are following steps.
IC2 TYPE0 IC2 TYPE1 (47 pin) Low Low High High (48 pin) Low High Low High Description q Trade model (Initial quantify) w Trade model (CRSC change) e OEM model-ready CRSC change r OEM model-ready CRSC & de-emphasis change
Short press : Display CD operation time. 2 seconds long press/hold : Clear CD operation time at the CD operation time displaying. (Display) CDTim xxxxx Max. 60000 (hours)
[PRESET 5]
Short press : Display CD ejection count. 2 seconds long press/hold : Clear CD ejection count at the CD ejection count displaying. (Display) EjeCnt xxxxx Max. 60000 (times)
q Security-related information 1. Forced Power ON mode (All models)
Even when the security (Cord) is approved, resetting the unit while holding the Q and Preset 4 keys makes it possible to turn the power ON for 30 minutes. After 30 minutes have elapsed, it is not possible to return to the previous condition unless the unit is reset again. (Security code is do not clear at this mode. Put the power on fillin.)
[PRESET 6]
Short press : Display Panel open/close count. 2 seconds long press/hold : Clear Panel open/close count at the Panel open/close count. (Display) PnCnt xxxxxx Max. 600000 (times) Invalid : �R � � ��
FM key AM key
Display ROM collection version. (Display) ROM R xxx Display panel E2PROM condition. (Display) P�ROM OK (Registered code) P�ROM NG (Code is write in error) P�ROM WAIT (Unregistered code) P-ROM NON (Panel security nonfunctional)
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