Summal); Hardware & How To Connect - Sony Multiscan GDM-2036S Service Manual

GDM-2036S
6-4-4. Summary
This is a program to adjust picture distortion on GDM-2036S
using IBM AT.
This program have 8 routines.
1) N-board adjustment
2) Complete distortion adjustment
3) Part distortion adjustment
4) All confirmation
5) Coefficents change
6) New timing set
7) Disk read/Wright
8) Signal Generator control
*NOTE 5)
& 6) are only for expert.
Don't use for general adjustment.
6-5.
APPENDIX
Appendix 1
Dual Part RS422 Interface Card (Model PCL-743)
X'lal
4.000MHz
SW I CH # I SW2 CH #2
~ 1~l!J[;J~~[;]QQ I ~~~Q~~Q[;J~ I
O-"'VlOlDr-CO
~~<f<f<f<f<f<f
6-4-5. Hardware Br How to Connect
You need following hard wares to adjust picture distortion on
GDM-2036S.
• IBM AT (or compatible PC)
• Dual Port RS422 Interface Board
(Model PCL-743, B & C Micro systems Inc)
*Refer to APPENDIX 1 to set the DIP switches on the
interface board
• Communication Cable
9 pin D-sub
-+
25 pin D-sub
9 pin D-sub
-+
6 pin D-sub
*Refer to APPENDIX 2 about the pin assignment
• R, G, B, HD, YO Cable
r----------,
(I) (.!I (.!II
I ZI-W z W I
I
00::0:: 00::,
II~ggl IIlli]I
I JP3 JP4 I
I CH #1 I
l..-- ________
..J
r----------,
I (I) (.!I (.!I I
I
~ ~ ~ ~.~ I
: I
~ g g
I
ImJ
g\ :
I JP5 JP6
I
I
CH '#
I I L __________ ..J
CN'
CH # I
CH #. 2
D-TYPE
9 PIN
CONNECTOR
CH #:. I
J P I
r--""'~---,
Ig g
~g
g gl
D-TYPE
9
PIN
CONNECTOR
IRO 2 3 4 5 6 7
JP2 CH # 2
Ig [IDg g g gl
IR0234567
Fig. A1-1 The position of DIP switches and jumpers
• Set DIP switches an jumpers as Fig. AI-I.
• And change the X'taJ 7.8432MHz to 4.000MHz
• And install the resistors on the PCL-743. Use the 100 Q
l/2w resistor. Mount the resistors at RT.
• Then, it will work.
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