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I Recently purchased yet another Service Manual from Owner-Manuals.com, this time for a Sony EVS700ES/UB Videocassette Recorder. The Manual was available for upload within two hours and is an Extremely Good copy, as some of this I was able to enlarge to get even better detail.
Once Again, Very happy with the result!
A good and useful manual. With these, We was abled to isolate and pin point the component that was causing the problem. The total time spent in troubleshooting is very much reduced.
The quality of the manual is top. The transfer worked perfect and fast.
No problems at all. Recommendable
Very good service for get any documentation. Fast and perfect quality.
Excellent service manual with all the necessary info. :)
FUNCTION OF MICOM IC 9-2. PIN DESCRIPTIONS
1 80 78 77
XIN XOUT EO1 EO2
CONNECTION TO 4.5 MHz CRYSTAL
OUTPUT COMPAIRED WITH PHASE IF LOCAL OSCILLATION FREQUENCY IS HIGHER THAN STANDARD FREQUENCY. OUTPUT IS HIGH, IF NOT OUTPUT IS LOW, AND IF SAME OUTPUT IS HIGH-Z. OUTPUT TERMINAL FOR AM 2ND CHANGE PUMP. (IF STANDARD FREQUENCY OF AM IS 90kHZ) --REFER TO ATTACHED PAGE. POWER TERMINAL
73,31 VDD 75 74 72 70 69 FMIN AMIN SUBPD HCTR LCTR INPUT TERMINAL IF FM VCO(LOCAL OSCILLATION) INPUT RANGE: INPUT TERMINAL IF AM VCO(LOCAL OSCILLATION) INPUT RANGE: OUTPUT OF PLL LOCK UP SUB FOR SPEEDY PLL LOCK. REFER TO ATTACHED PAGE ABOUT CIRCUIT USED. INPUT TERMINAL OF FM IF COUNT INPUT RANGE : 107MHz + 30kHz, Vpp= INPUT TERMINAL OF AM IF COUNT INPUT RANGE : 450kHz + 1kHz (AM) : 450kHz + 0.37kHz (LW) Vpp= PART THAT CHECKS DAMAGE OF BACK-UP MEMORY AFTER COMING BACK TO (BACK-UP)MODE. REFER TO ATTACHED PAGE ABOUT CIRCUIT USED. CONTROL TERMINAL OF BACK UP MODE. IF INPUT IS HIGH, WORKING IS NORMAL. IF INPUT IS LOW, IT REVERTS TO BACK UP MODE. IF INPUT OF (ACC)IN IS LOW ACCORDING TO CLOCK OPTION CLOCK IS DISPLAYED. TEST PORT (CONNECTED TO GROUND) RECEIVING RDS DATA FROM RDS DEMODULATOR IC. REFER TO ATTACHED PAGE ABOUT DATA TIMING CHART. I I O I I
79 2 12 11 55
TEST1 TEST2 PE2 PE3 INT1
I I I
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