Sharp VL-E780U User Manual

1
VL-E780U
VL-E785U
VL-E785T
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
Page
2. SPECIFICATIONS .............................................................................................................................. 2
4. DISASSEMBLY OF THE SET ............................................................................................................. 3
5. MECHANISM ADJUSTMENT ............................................................................................................. 4
6. ADJUSTMENT OF VCR...................................................................................................................... 4
8. SCHEMATIC DIAGRAMS .................................................................................................................. 8
11.REPLACEMENT PARTS LIST ......................................................................................................... 29
12.PACKING OF THE SET ................................................................................................................... 35
SY8A8VL-E780U
CONTENTS
MODELS
SERVICE MANUAL
LIQUID CRYSTAL CAMCORDER 8 NTSC
VL-E780U
VL-E785U
VL-E785T
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
In this Service Manual, only the differences from VL-E760U/765U are described.
Therefore, for the parts which are not described in this Service Manual, refer
to the Service Manual for VL-E760U/765U (S38N2VL-E760U).
8 8
MODELS VL-E780U/E785U/E785TLIQUID CRYSTAL CAMCORDER
NTSC
SERVICE MANUAL
VL-E780U
VL-E785U
VL-E785T

Sharp VL-E780U Specifications

General

Type	Camcorder
Recording Media	Mini DV
Weight	1.1 lbs
Image Stabilizer	Electronic
Maximum Shutter Speed	1/4000 sec
Display Type	LCD
Microphone Operation Mode	Stereo
Image Sensor	CCD
USB	No
AV Output	Yes
S-Video Output	Yes
LCD Screen Size	2.5 inches
Focus Adjustment	Automatic, manual
Connector Type	IEEE 1394 (FireWire)
Battery Type	Lithium-Ion
Viewfinder	Color
Focus	Auto/Manual
Exposure Control	Automatic, manual
White Balance	Automatic
Microphone	Stereo
Speaker	Mono
LCD Screen	2.5-inch color LCD

Summary

Specifications

Disassembly and Replacement Procedures

CCD Sensor and E²PROM IC Procedures

Procedures for replacing the CCD sensor and setting the E²PROM IC.

Adjustment Procedures

Mechanism Adjustments

Inspection, maintenance, and adjustment of mechanism parts and tape travel system.

VCR Section Adjustments

Detailed procedures for VCR circuits including Y/C, playback Y level, and Y-FM deviation.

Camera Section Adjustments

Camera servicing connections, auto focus, sync level, and white balance adjustments.

Schematic Diagrams

Power Circuit Schematic

Detailed schematic diagram of the power supply circuit.

Audio Circuit Schematic

Motor Driver Schematic

LCD Display Circuit Schematic

RF Circuit Schematic

System Control Circuit Schematic

Y/C Circuit Schematic

D/A Circuit Schematic

Replacement Parts List

Electrical Component Identification