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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.
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This schema available for me in good condition. I would highly recommend.
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Thanks for this "hard to find" service manual.
I apreciate the good quality of scanning and the pages scanned in A3 format.
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Helpd me mont a new carradio when prewius mont was a mess.
MZ-E707 SECTION 4 TEST MODE
4-1. GENERAL
� When entered in the TEST MODE, this set provides the Overall Adjustment mode which allows CD and MO discs to be automatically adjusted. In the Overall Adjustment mode, the system discriminates between CD and MO discs, performs adjustments in sequence automatically, and displays the faulty location if any fault is found. In the Manual mode, selected adjustments can be performed automatically. � The attached remote control is used to operate the TEST MODE. Unless otherwise specified in the text, the key means that on the remote control.
C613 C605
Remote control LCD
888
F1SHUFF PGM SOUND 12
u
008 V1.000
4-2. SETTING THE TEST MODE
4-2-1. How to set the TEST MODE To set the TEST MODE, two methods are available. 1 Solder bridge and short TAP601 (TEST) on the main board. Then turn on the power.
C810 C699
C606
� Press and hold down X to hold the current display while the key is being pressed.
MAIN BOARD (SIDE A)
TAP601 SHORT: TEST MODE OPEN: NORMAL MODE
TP921
R607
R601 R80
C802
4-2-3. How to release the TEST MODE When method 1 was used: Turn off the power and open the solder bridge on TAP601 on the main board. Note: The solder should be removed clean. The remaining solder may make a short with the chassis and other part. When method 2 was used: Turn off the power. Note: If electrical adjustment (see page 11) has not been finished completely, always start in the test mode. (The set cannot start in normal mode)
C610
4-3. TEST MODE STRUCTURE
Test Mode (Display Check Mode)
2 In the normal mode, operate the keys on the set and those on the remote control as specified below: Turn on HOLD switch on the set. Holding down x (STOP) key on the set, press the keys on the remote control in the following sequence: >N t >N t . t . t >N t . t >N t . t X t X 4-2-2. Operations when the TEST MODE is set When the TEST MODE is entered, the system switches to the display check mode within the TEST MODE. From this mode, the other Test modes can be accessed. When the TEST MODE is set, the LCD repeats a cycle of the following displays:
.
+ key Manual Mode
x
key + key Servo Mode Audio Mode
Power Mode key OP Alignment Mode or key Overall Adjustment Mode
x
key
DISPLAY key
x
key key
Self-diagnostic Display Mode
>B x
key Sound Skip Check Result Display Mode
DISPLAY key (Press and hold down about 3 sec) Key Check Mode Terminate key checking or open the top panel.
8
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