Sony VPL-FHZ700L, Service Manual, Page: 71 / 140

2-1 (E)
VPL-FHZ700L
Section 2
Adjustments
2-1. Notes on Servicing
.
The laser diode is used as a light source of this unit.
Never allow the light source to emit light with the cabinet removed.
Otherwise, it may cause damage to eyes or skin.
.
Do not remove the lens when the set is lighting.
Otherwise, it may cause damage to eyes or skin.
.
Do not release the protection circuit with the cabinet removed.
Otherwise, the light source may suddenly start emitting light, causing damage to eyes or skin.
.
In order to avoid inappropriate use of the laser diode, do not disassemble the laser source unit (F).
.
When performing the adjustment that requires turning the power of this unit off and on, be sure to
perform the operation with the top cover assembly attached.
2-2. Procedure When Replacing the Parts
2-2-1. Optical Unit (F) Assembly
When replacing the optical unit (F) assembly, perform the following procedure.
1. Perform the V COM adjustment. (Refer to Section 2-3-2.)
2. Write the Opt Unit data supplied with the optical unit (F) assembly using Quick Access2. (Refer to
Section 2-6-5.)
3. Perform the laser luminance and luminance sensor adjustment. (Refer to Section 2-4.)
4. Check the white balance state, and perform the adjustment as required. (Refer to Section 2-3-3.)
2-2-2. Prism (F) Assembly
When replacing the prism (F) assembly, perform the following procedure.
1. Perform the V COM adjustment. (Refer to Section 2-3-2.)
2. Write the Opt Unit data supplied with the optical unit (F) assembly using Quick Access2. (Refer to
Section 2-6-5.)
3. Perform the laser luminance and luminance sensor adjustment. (Refer to Section 2-4.)
4. Check the white balance state, and perform the adjustment as required. (Refer to Section 2-3-3.)