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 ;
muy buen manual con multiples graficos y formas de onda ademas de muy completo y bien presentado.
 ;
As Always these people were very rapid and efficient. A great job helping hobbiest and workers!!! Thank you a lot!
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Thank you for providing quickly a manual so old! very good job clear and understandable!
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VDET Operation
A
V+5D V+5V R1941 1K D1932 D1933 D1934 Q1931 R1942 47K R1937 10K V+2R3 V+3R6
V+6
V+12
Q1931
VDET
Terminated with 1 M� at the main unit side.
1M
R1940 10K
R1934 22K R1935 18K
D1931 UDZS5.1B
B
Each power supply:
V+6 V+12 V+5D V+5V V+3R3 V+3R6 : 6V is supplied from PRE5V by 3 terminal Regulator. : 12V (VDVD+12) is supplied from the main unit. : Each voltage is supplied from PRE5V by 3 terminal Regulator. : Voltage is supplied from PRE5V by DC-DC converter.
C
VDET Operation:
1 When PRE5V disappeared 2 When the voltage of V+6 fell : VDET becomes low because V+3R6 disappears,too. : The base voltage of Q1931 falls, and become operating voltage. Q1931 turns ON, and Q1932 turns ON, too. And VDET becomes low. : The base voltage of Q1931 falls, and become operating voltage. Q1931 turns ON and Q1932 turns ON, too. And VDET becomes low.
3 When the voltage of V+12 fell
D
4 When the voltage of V+3R6 rose : The voltage rises as VDET = V+3R6. This voltage is not raised than Vz of (UDZS5.1B) by Zener diode. 5 When the voltages of V+5D, V+5V and V+3R3 rose : When these voltage rose, and the emitter voltage of Q1931 became operating voltage, Q1932 turns ON and VDET becomes low.
7.4 CLEANING
E
Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools : Position to be cleaned Pickup leneses Fan Cleaning tools Cleaning liquid : GEM1004 Cleaning paper : GED-008 Cleaning paper : GED-008
F
150
1 2
XV-SV5DV
3 4
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