Partial Scan Setting; Pixel Clock And Wen Output; Hd/Vd Input Or Output - IAI CV-M40 Operating Manual

7.2.2. Partial scan setting

Jumpers are placed on PK8273B.
Format set by the jumpers are selected as partial by the rear switch SW1-7.
Jumper 1/16
1/8
30 lines 60 lines
JP14 Short Open
JP15 Open Short
JP16 Open Open
JP17 Open Open

7.2.3. Pixel clock and WEN output

Jumpers are placed on PK8202B.
Note: Do not output pixel clock when not used.
Output on pin #9/12
Jumper N C
PCK
JP7 Open Short Open
JP18 Open Open Short
Output on pin #6/6
Jumper N C
JP6 Open

7.2.4. HD/VD input or output

Jumpers are placed on PK8273B and PK8202B.
Note: The HD/VD input circuit are also used as trigger and HD input in trigger modes. The
jumper settings and pin connections should be carefully checked to avoid problems.
Jumper VD in TTL
JP8 Open
JP9 Short
JP12 Open
JP19 *) Short
Jumper HD in TTL
JP10 Open
JP11 Short
JP13 Open
JP21 *) Short
*) JP21 and JP19 on rear board PK8202B.
Scanning
1/4
120 lines
Open
Open
Short
Open
Fig. 25. Partial scan setting
WEN
WEN out
Short
Fig. 26. Pck/WEN output on pin#9/12. WEN on #6/6.
VD in 75 Ω VD out
Short x
Short Open
Open Short
Short Short
HD in 75 Ω HD out
Short x
Short Open
Open Short
Short Short
Fig 27. HD and VD input/output jumpers
CV-M40
1/2
240 lines
Open
Open
Open
Short
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