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The manual was very clear and contained all the information I was looking for. My dishwasher is working again because of this servicemanual!
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Quality scan, great manual. I solved my problem with this manual.
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The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Perfect source for service manuals: fast and professional transaction; high quality, perfect readable and largely scaleable PDF; complete schemes, diagrams and spare part list. Tnx a lot, cu again!!!!
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I got your link from a friend and I must say that I am really satisfied with your service. Specially this B&O manual I didn't find anywhere on the web... but you could deliver it :-) . You deliver very fast and the copy is of good quality. So your webpage is bookmarked. Thanks
PDP-502MX, PDP-502MXE
Procedure
Adjusting Item
Base Pulse
Input signal
Any input
Adjusting Point
SUB VIDEO mode in Factory mode PULSE NUMBER ........."8" Key
Adjusting Method
Set to the indicated value with the keys on the remote control unit. (refer to SUB VIDEO mode)
10
number Adjustment (502MX only)
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged. Adjust only in case of necessity. SUB VIDEO mode Set to the indicated value with the keys on the remote control unit.
11
ABL Level Value Adjustment (502MX only)
Any input
in Factory mode (refer to SUB VIDEO mode) ABL LEVEL ...."9" Key
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged. Adjust only in case of necessity. REFERENCE 1 in Factory mode ABL LEV OFFSET ........."BS9" Key Adjust to the ABL value mentioned on the "Drive voltage label" at the chassis of the glass panel.
Any input
12
ABL Level Offset adjustment
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged. Adjust only in case of necessity. REFERENCE 1 in Factory mode PLS NUM OFFSET ........."BS11" Key Set to the indicated value with the keys on the remote control unit. (refer to REFERENCE 1 mode)
Any input
13
Pulse Number Offset adjustment
Note) If unnecessarily adjusted, power consumption is changed and the panel is damaged. Adjust only in case of necessity.
TOP
DIGITAL VIDEO ASSY
TP703 (SUS GND) VR700 (VOFS) TP705 (VOFS) TOP
Y DRIVE ASSY
VR851 TP851 (IC5V) (IC5V)
TP854 (PSUS)
VR552 (+5V)
VR750 ( VH )
TP554 (DGND)
TP753 (PSUS) TP751 (VH)
TP553 (+5V)
TP601 (+3.3V)
VR602 (+3.3V)
TP602 (DGND)
Adjusting points and Measuring points 58
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