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There are currently no product reviews.
 ;
Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
;
This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
 ;
THIS MANUAL IS VERY GOOD AND VERY CLEAR
PLEASE NOTE IT DOES NOT CONTAIN THE SETUP INFORMATION TO ALIGHN THE GEARS IN THE CD MECH IT DOES SHOW ALL THE PARTS AND THEIR LOCATIONS .
1
2
3
4
A
SUS-B ADJUSTMENT
X DRIVE Assy
TP1118 from DIGITAL Assy XSUS-U IC1104 IC1002_A1 Pin 2 IC1101 Photo Coupler Q1109 IGBT TP1119 Q1104 Q1108 IGBT
B
1 Measure the SUS-U and SUS-B input delay time (� Tsus - iub).
2 Adjust the SUS-U and SUS-B input delay time so that it becomes "� Tsus - iub + 70 ± 5 nsec."
TP1236 Q1205
from DIGITAL Assy XSUS-B IC1001_A1 Pin 2
VR1002 IC1204 Photo Coupler
IC1209 Q1206
TP1237
Q1219 FET
TP1238 Q1207
Q1220 FET
C
Q1222 FET
Y DRIVE Assy
TP2105 Q2106 IGBT Q2104 TP2106 Q2107 IGBT TP2107 Q2108 IGBT
from DIGITAL Assy YSUS-U
IC2103 IC2001_A4 Pin 5 IC2101 Photo Coupler
D
1 Measure the SUS-U and SUS-B input delay time (� Tsus - iub).
2 Adjust the SUS-U and SUS-B input delay time so that it becomes "� Tsus - iub + 50 ± 5 nsec."
TP2207 Q2204
from DIGITAL Assy YSUS-B IC2001_A6 Pin 7
VR2002 IC2201 Photo Coupler
IC2203 Q2205
TP2208
Q2217 FET
TP2209 Q2206
Q2218 FET
Q2219 FET
E
SUS-D ADJUSTMENT
Y DRIVE Assy
1 Measure the SUS-D pulse width (Tsus - D).
TP2109 from DIGITAL Assy VR2001 IC2005_A7 Pin 8 IC2104 Q2105 Q2110 IGBT
2 Adjust the pulse width (Tsus - Dg) of the SUS-D input signal so that it becomes "Tsus-D ± 5 nsec."
F
YSUS-D
Q2112 IGBT TP2111
140
1 2
PDP-4280XA
3 4
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