Christie CP2000-ZX Manuel utilisateur

CP2000-ZX LVPS Upgrade Instruction Sheet 1 of 5

020-100461-01 Rev. 1 (11-2009)

CP2000-ZX LVPS Upgrade

Instruction Sheet

INTRODUCTION

Use the following instructions when upgrading the Low Voltage Power Supply (Tectrol to Astec

model) in CP2000-ZX (116-001101-xx, 116-001113-xx, 116-001124-xx) projectors.

The entire procedure takes approximately 45 minutes to complete.

KIT REQUIRED

003-003075-01 CP2000-ZX LVPS Upgrade Kit (includes low voltage power supply complete with AC and DC

harnessing in place, 1/8”plastic slot driver, instructions)

TOOLS REQUIRED

CP2000-ZX:

• Phillips #3, #2 (long stem)

• Wrench (to loosen ground nut)

• 1/8” plastic slot driver (for LVPS POT adjustments in CP2000-ZX projectors)

SAFETY AND WARNING GUIDELINES

HIGH VOLTAGES MAY BE EXPOSED: Always power down and disconnect power

sources prior to servicing. Once the projector is powered down, allow the cooling fans to

automatically turn OFF before disconnecting from AC and opening the projector. Depending on

your projector model this can take 10-15 minutes.

QUALIFIED SERVICE TECHNICIANS REQUIRED: All module replacement

procedures must be performed by qualified service technicians.

NON-INSULATED DANGEROUS VOLTAGES MAY BE EXPOSED: Always

disconnect from AC prior to disassembly.

OBSERVE ALL ELECTROSTATIC PRECAUTIONS: Use a grounded wrist strap

when handling electronic assemblies.

Never operate the projector (or the fans) without all the covers installed.

2 of 5 CP2000-ZX LVPS Upgrade Instruction Sheet

020-100461-01 Rev. 1 (11-2009)

INSTRUCTIONS

FOR CP2000-ZX

1. Ensure power to the projector is OFF.

2. At the wall breaker, set the main AC circuit breaker to OFF.

3. Unlock and remove the top front cover.

(Figure 1)

4. Remove the LVPS/Ballast cover. (Figure 2)

a. Loosen the 3 captive screws

securing the cover to the chas-

sis.

b. Lift the cover enough to clear

the tabs at the bottom and

remove.

Figure 1

Figure 2 Remove LVPS/Ballast

CP2000-ZX LVPS Upgrade Instruction Sheet 3 of 5

020-100461-01 Rev. 1 (11-2009)

5. Remove the EMI shield. (Figure 3)

a. Loosen the 2 screws securing the shield to the

frame. Slide the shield off to gain access to LVPS

harness connections.

6. Disconnect the DC harnesses (P1 & P2) from the

Motherboard. TIP: For easier access to the DC harness

connections, you may find it necessary to remove the black

GPIO connector (J28) next to it first. (Figure 4)

7. Remove the white plastic cover over the AC Relay,

and disconnect the blue (top) and black (bottom)

signal harnesses. (Figure 5)

8. Also from the AC Relay, disconnect the blue (2nd

from the top) and brown (bottom) harnesses on the

other side. Keep the white harnesses underneath

intact. (Figure 5)

Figure 3 Remove EMI shield

Figure 4 Disconnect P1 & P2

Figure 5 AC Relay Signal Harness

Connections

4 of 5 CP2000-ZX LVPS Upgrade Instruction Sheet

020-100461-01 Rev. 1 (11-2009)

9. Remove the nut securing the main ground to the firewall.

10. Remove the 4, M6 screws securing the LVPS assembly. NOTE: In -03 models remove the LED as

well. Keep it for use with the new LVPS assembly. (Figure 6)

11. Secure the new LVPS using the same mounting holes and hardware used with the old assembly.

Orient the LVPS with the high-pot adjustments on the right-hand side.

12. Install the LED to the bottom left screw used to secure the LVPS to the firewall. (Figure 7)

13. Secure green harness (ground) to the main earth ground stud using the nut removed in STEP 9.

(Figure 7)

Figure 6 Remove LVPS

Figure 7 Install New LVPS

CP2000-ZX LVPS Upgrade Instruction Sheet 5 of 5

020-100461-01 Rev. 1 (11-2009)

14. Re-connect the four signal harnesses to the AC relay.

TIP: Screws only need to be loosened to slip harnesses

on. Refer back to Figure 5 for the location of signal

harness connections. IMPORTANT! Loop the blue

and black signal harnesses around the clip once

(Figure 8) before connecting.

15. Re-connect the DC harnesses from the LVPS to the

Motherboard (PI & P2).

16. Re-connect J28 (black GPIO connector) to the Motherboard, if removed in STEP 6.

17. Replace the plastic AC relay cover.

18. Replace the EMI shield.

19. Replace the LVPS/Ballast cover.

20. Replace the top font cover.

To adjust LVPS voltage rails:

Use the non-conductive plastic slot driver

provided in the service kit when adjusting the LVPS voltage

rails on the CP2000-ZX LVPS.

LVPS rail adjustment must be performed

by a qualified service technician.

1. Remove the LVPS/ballast side cover.

2. Adjust POT’s to 3.366 +/-0.003v and 5.110v +/-0.003v.

Observe the CDP to see the adjustment value of the rails.

Figure 8

Figure 9

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