JVC GRDX77US
Manual de Servicio

3.2.5 DISASSEMBLY of [13] OP BLOCK ASSEMBLY/CCD BOARD ASSEMBLY CAUTIONS (1) Be careful in handling the CCD image sensor, OP LPF, and lens etc., especially not to damage or soil their surface. If it is soiled with fingerprints, etc., gently clean it with chamois or the cleaning cloth. (2) When the CCD image sensor is shipped from the factory, there are protection seals applied onto the transparent glass. Leave the protector as it is, and take it off just before assembling the CCD image sensor to the OP block. Disassembly (1) Remove the two screws (1 and 2), and remove the CCD BOARD ASSEMBLY together with CCD BASE ASSEMBLY. (2) Remove the LOW PASS FILTER HOLDER from the CCD BASE ASSEMBLY, and remove the MASK. NOTE 13a: Since the MASK is between the LOW PASS FILTER HOLDER and CCD IMAGE SENSOR, be careful in handling the MASK. NOTE13b: In removing the CCD IMAGE SENSOR, unsolder the fourteen soldered parts (SD13a), and remove the CCD BASE ASSEMBLY from the CCD BOARD ASSEMBLY. In replacing the CCD IMAGE SENSOR, don't remove the CCD IMAGE SENSOR from the CCD BASE ASSEMBLY. Instead, replace the whole CCD BASE ASSEMBLY. NOTE13c: Since the OP LPF is inside the LOW PASS FILTER HOLDER and the OP LPF is attached to the LOW PASS FILTER HOLDER by using the SHEET, remove the OP LPF from the LOW PASS FILTER HOLDER if necessary. In removing the OP LPF from the LOW PASS FILTER HOLDER, be careful not to damage the LOW PASS FILTER HOLDER, and remove the SHEET carefully if you want to use the same SHEET in attachment procedure. NOTE13d: In removing the OP LPF, be careful of the direction of its attachment. Since one side of the OP LPF is coated for the purpose of protection, attach the OP LPF so that the coated side faces the OP lens (a subject of photograph). Replacement of service repair parts Service repair parts of the OP BLOCK ASSEMBLY are as follows. When replacing the parts, be careful not to cut or damage the FPC, and not to damage the parts due to soldering (overheat). (1) FOCUS MOTOR (2) ZOOM MOTOR (3) IRIS MOTOR NOTE 13e: When replacing the FOCUS MOTOR or the ZOOM MOTOR, lift the FPC approx.1mm away from the jack in soldering the FPC (SD13b). NOTE13f: IRIS MOTOR contains the FPC ASSEMBLY and the SENSOR �2.

IRIS MOTOR NOTE13f

6 (S13c) 8 (S13d) 7 (S13c) LPF HOLDER 5 (S13b) 4 ZOOM MOTOR (S13b) NOTE13e

CCD BOARD ASSEMBLY

1 (S13a)

SD13a 2 (S13a)

SD13b

MASK NOTE13a SENSOR SHEET OP LPF NOTE13c,d

CCD BASE ASSEMBLY NOTE13b

3 (S13b)

OP BLOCK ASSEMBLY

FOCUS MOTOR NOTE13e

0.098N.m (1.0kgf.cm) 0.069N.m (0.7kgf.cm) 0.019N.m (0.2kgf.cm)

Fig.3-2-5 1-14 (No.YF031)