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Good quality service manual.It has helped me to fix my FV1800,particularly for replacing the dial cord.The scheme is on A3 format and very readable.Thank.Olivier.
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This manual is complete and very readable.It was a great help for my two ICF5800L.The first one had the dial cord broken,and without the service manual it is impossible to replace it.Thank.Olivier.
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This is a top quality manual. You couldn't get better if you had the original and scanned it yourself. Best price on the net as well. Diagrams are clear and complete, text is sharp and easy to read. Granted you don't get the manual the second you click pay, but the few hours you have to wait for it to be available for download isn't a problem at all. This is a very reliable company.
Very VERY pleased with the product, and will buy others. Thanks!
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In a word AWESOME.
I never expected the quality and abundant content that I got with this manual. Everything you'd ever want to know from a service perspective is found in this manual, along with... as a bonus, operating instructions on how to use the unit. WOW. Very impressed with the quality of the manual. You won't be disappointed if you're looking for the EVS900 service manual.
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I thank Owen-Manuals.com for the wonderful service rendered to me, and this manual which I purchased helped me a lot in servicing my Denon System, which was lying in a dead state.
Thanks Owner-Manual.com
MDR-RF915R/RF945R
TABLE OF CONTENTS
Specifications ............................................................................ 1 3-5. Free Run Frequency Check and Adjustment (MRD-RF945R) ......... 6 3-6. Receive Frequency Check and Adjustment (MRD-RF945R) ......... 6 3-7. Carrier Modulation Check (MRD-RF945R) ............... 6 3-8. Separation Check (MRD-RF945R) ............................. 6
1. GENERAL ....................................................................... 2 2. DISASSEMBLY
2-1. RX-BASE Board ...................................................... 3
3. ELECTRICAL ADJUSTMENTS .............................. 4
3-1. Free Run Frequency Check and Adjustment (MRD-RF915R) ....... 5 3-2. Receive Frequency Check and Adjustment (MRD-RF915R) ....... 5 3-3. Carrier Modulation Check (MRD-RF915R) ............. 5 3-4. Separation Check (MRD-RF915R) ........................... 5
4. DIAGRAMS
4-1. Block Diagrams ........................................................... 8 4-2. Schematic Diagram ..................................................... 9 4-3. Printed Wiring Board ................................................. 10
5. EXPLODED VIEWS........................................................11 6. ELECTRICAL PARTS LIST........................................12
SECTION 1 GENERAL
This section is extracted from instruction manual.
5- A Turn up the volume to a moderate
level with the VOL control. Press the TUNING button briefly for automatic tuning of the headphones. If you do not receive a clear audio signal, press it again.
Auto power on/off function When you remove the headphones from your head, the power turns off automatically. Do not allow the self adjusting band to be pulled up, otherwise the headphones will be switched on.
A MDR-RF945RK
TUNING button VOL control
The power turns on.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety checks before releasing the set to the customer.
5- B Turn up the volume to a moderate
level with the VOL control, then tune the headphones in to the frequency of the transmitter with the TUNING control until you can hear the audio signal loud and clear.
1. 2. 3.
Check the area of your repair for unsoldered or poorly-sol deredconnections. Check the entire board surface for solder splashes and bridges. Check the interboard wiring to ensure that no wires are �pinched� or contact high-wattage resistors. Look for unauthorized replacement parts, particularlyt ransis
BMDR-RF915RK
TUNING control VOL control
Try the above steps 3 and 5 until the receiving performance becomes better.
tors, that were installed during a previous repair. Point them out to the customer and recommend their replacement. 4. Look for parts which, through functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement. 5. Check the B+ voltage to see it is at the values specified. 6. Flexible Circuit Board Repairing � Keep the temperature of the soldering iron around 270°C during repairing. � Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). � Be careful not to apply force on the conductor when soldering
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