DV-NC100H (serv.man6). Deck mechanism section — Sharp DVD Service Manual (repair manual)

Model
DV-NC100H (serv.man6)
Pages
25
Size
1.4 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Deck mechanism section
File
dv-nc100h-sm6.pdf
Date

View Sharp DV-NC100H (serv.man6) Service Manual online

DECK MECHANISM SECTION
VCR/DVD COMBINATION
DV-NC100H
TABLE OF CONTENTS
  1. STANDARD MAINTENANCE .......................................................................... 2-1-1
  2. SERVICE FIXTURE AND TOOLS ................................................................... 2-2-1
  3. MECHANICAL ALIGNMENT PROCEDURES ................................................ 2-3-1
  4. DISASSEMBLY / ASSEMBLY PROCEDURES OF DECK MECHANISM ...... 2-4-1
  5. ALIGNMENT PROCEDURES OF MECHANISM ............................................ 2-5-1
  6. DECK EXPLODED VIEWS ............................................................................. 2-6-1
  7. DECK PARTS LIST ......................................................................................... 2-7-1
2-1-1
H9740MEN
Service Schedule of Components
This maintenance chart shows you the standard of replacement and cleaning time for each part.
Because those may replace depending on environment and purpose for use, use the chart for reference.
STANDARD MAINTENANCE
Notes:
1. Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Roller / ACE Head / FE Head) using
90% lsopropyl Alcohol.
2. After cleaning the parts, do all DECK ADJUSTMENTS.
3. For the reference numbers listed above, refer to Deck Exploded Views.
Cylinder Assembly
Loading Motor Assembly
Pulley Assembly
Tension Lever Assembly
ACE Head Assembly
Reel S, Reel T
Capstan Motor
Cap Belt
FE Head
F Brake Assembly (HI)
Idler Assembly (HI)
Pinch Arm Assembly
M Brake (SP) Assembly (HI)
M Brake (TU) Assembly (HI)
LDG Belt
B2
B3
B8
B587
B31
B573, B574
B37
B52
B73
B86
B133
B410
B414
B416
B525
Deck 
Periodic Service Schedule
Ref. No.
Part Name
1,000 H
2,000 H
3,000 H
4,000 H
: Cleaning 
: Replace
H: Hours
2-1-2
H9740MEN
Cleaning
Video head cleaning procedure
1. Apply one drop of cleaning liquid to the cleaning
paper with the baby oiler.
2. Gently press the cleaning paper against the video
head to fix your finger, and move the upper drum so
that each head is passed to and for 5 times (do not
move the cleaning paper).
3. Wipe with the dry cleaning paper.
Notes :
• Use the commercially available ethanol of Class 1 as
cleaning liquid.
• Since the video head may be damaged, do not move
up and down the cleaning paper.
• Whenever the video head is cleaned, replace the
cleaning paper.
• Do not apply this procedure for the parts other than the
video head.
Rotate the upper drum
with one hand.
Gently press the cleaning paper to fix 
with your finger, and rotate the upper 
drum to clean.
Move to and for 5 times for each head.
(Do not move the cleaning paper.)
Parts Code
Description
Code
ZPAPRA56-001E
Cleaning Paper
AW
ZOiLR-02-24TE
Babe Oiler (Spoit)
AH
Cleaning of ACE Head
Clean the head with a cotton swab.
Procedure
1. Remove the top cabinet.
2. Dip the cotton swab in 90% isopropyl alcohol and
clean the ACE Head. Be careful not to damage the
upper drum and other tape running parts.
Notes:
1. Avoid cleaning the ACE Head vertically.
2. Wait for the cleaned part to dry thoroughly before
operating the unit or damage may occur.
ACE Head
2-2-1
H9740FIX
SERVICE FIXTURE AND TOOLS
J-1-1, J-1-2, J-1-3, J-1-4, J-1-5
J-2
J-3
J-4
J-5
J-1-1
J-1-2
J-2
9HSFL6A
9HSFL6NS8
---
---
---
---
J-3
J-4
J-5
BX
Head Adjustment of ACE Head
BX
BX
J-1-3
Test Tape
Ref. 
No.
Name
Parts No.
Code
Adjustment
Test Tape
Guide Roller Adj. 
Screwdriver
Mirror
Azimuth Adj. 
Screwdriver +
Flat Screwdriver 
Test Tape
9HSFL6HA
Available Locally
Available Locally
Available Locally
Available Locally
Azimuth and X Value Adjustment of ACE Head /
Adjustment of Envelope Waveform
For Measurement of Hi-Fi Output Level
BX
J-1-4 Test Tape
9HSFL6M
For Measurement of Resolution
BX
J-1-5 Test Tape
9HSFL6K
For Measurement of Audio Frequency Response
Guide Roller
ACE Head Height
Tape Transportation Check
X Value
Page of 25
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