JVC 250 User Manual

Page 29

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Chapter 3---Electrical

Model 250 Service Manual

3-13

Table 3-1

HVPS -

P45 I/O Pinout

PIN #

Description

PIN #

Description

1

GND (+80V)

9

+15V

2

GND (+15V)

10

-15V

3

GND (-15V)

11

G1 SUPPLY

4

GND (G1)

12

/HV_ENA

5

/HV_OK

13

V PARABOLA

6

H PARABOLA

14

H DRIVE (HVPS_SYNC

7

GND (DAF)

8

+80V

Figure 3-6

High Voltage Power Supply.

5.

Carefully slide the cover upward and outward to remove it.

NOTE

: Refer to Figure 4-5 for the remainder of this procedure.

6.

Disconnect the three CRT Anode Cables.

7.

Disconnect P44-G2 Out (at the middle-front of the HVPS).

8.

Unsnap the cable clamp at the top of the HVPS.

9.

Remove the Anode Cables and the P44 cable from the cable clamp.

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