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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
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I got the manual quickly after the payment was transfered (1 day). The manual was exactly what i needed and the updates via e-mail were great. Thanx!
FUNCTION OF MICOM IC 9-2. PIN DESCRIPTIONS
PIN
1 80 78 77
PIN NAME
XIN XOUT EO1 EO2
DESCRIPTION
CONNECTION TO 4.5 MHz CRYSTAL
I/O
I O
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
O O
71
EO3
O
76
VSS
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
68
SNS_
I
67
HOLD_
I
79 2 12 11 55
TEST1 TEST2 PE2 PE3 INT1
I I I
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