Mechanical Instructions - Philips VAD8031 Service Manual

4. Mechanical Instructions

Note that exploded views can be found in chapter 10
4.1 General
Follow the dismantling instructions in described order.
Do not place the unit with its PWB on a hard surface (e.g.
table), as it could damage the components on it.
Always place something soft (a towel or foam cushion) under it.
Never touch the lens of the OPU.
Take sufficient ESD measures during handling.
4.2 Dismantling
You can divide the Basic Engine into the following parts:
1. Loader (frame and tray, clamp)
2. PWB (or 'mono board')
3. DVD-Module (OPU, turntable motor, and sledge-motor
assy)
4. Encasing
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Figure 4-1 Basic Engine dismantling (part1)
Mechanical Instructions
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VAD 8031
4.3 Cabinet and Clamper Bridge
– Remove the encasing by releasing the four screws [1], see
figure 4-1
– Make sure that you do not lose the 5 heat paths (gray
rubber pieces that conduct the heat from the ICs to the
case)!
– Remove the clamper bridge assy, by releasing the two
screws [1], see figure 4-2
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Figure 4-2 Remove Clamper Bridge
4. EN 5
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