Panasonic Palmcorder Palmsight PV-L650, Manual

Page: 132 / 203

BEFORE REPLACING PARTS, READ THE FOLLOWING:
12.1. REPLACEMENT NOTES
12.1.1. General Notes
1. Use only original replacement parts:
To maintain original function and reliability of repaired units,
use only original replacement parts which are listed with
their part numbers in the parts list.
2. IMPORTANT SAFETY NOTICE
Components identified by the sign have special
characteristics important for safety. When replacing any of
these components, use only the specified parts.
3. SPECIAL NOTE
All integrated circuits and many other semiconductor
devices are electrostatically sensitive and therefore require
the special handling techniques described under the
"ELECTROSTATICALLY
SENSITIVE (ES) DEVICES"
section of this service manual.
4. Parts with no Ref. No. in "EXPLODED VIEW" are not
supplied. And some Ref. No. will be skipped. Be sure to
make your orders of replacement parts according to the
parts list.
5. Parts different in shape or size may be used. However, only
interchangeable parts will be supplied as service
replacement parts.
6. Parts with mark "VED" in the Remarks column are supplied
from VED. Others are supplied from MKE.
12.1.2. Mechanical Replacement Notes
1. Section No. of parts shown in Exploded Views are indicated
in the Remarks column.
2. Abbreviation
RTL: Retention Time Limited
This indicates that the retention time is limited for this item.
After the discontinuation of this item in production, it will no
longer be available.
3. Cut Washers (Ref No. 409, 411, and 419) are not reusable.
If removed, install a new one.
4. Head Amp C.B.A. which is located on the Lower Cylinder is
supplied as a Cylinder Unit only.
However, IC3501 (AN3365SB-E1) is available separately
as a replacement part.
5. After replacing Mechanism Cassis Ass'y (Ref. No. 49) or
Mechanism Chassis Sub Ass'y (Ref. No. 213), perform the
Tape Interchangeability Adjustment procedures. Refer to
"TAPE INTERCHANGEABILITY ADJUSTMENT."
12.1.3. Electrical Replacement Notes
1. Item numbers with capital letter E (Example: E1, E2,...) in
the Ref. No. column are shown in the exploded views.
2. The parts with "
Q
" mark are supplied individually or as a
unit. The parts with "
V
" mark are supplied individually or as
a unit, and are included in "
Q
" parts listed directly above in
the parts list.
3. Unless otherwise specified;
All resistors are in
Ω
, 1/4 W, ±5 %, carbon, K = 1 000
Ω
, M
= 1 000 k
Ω
.
All capacitors are in µF, P = µµF, ±10 %.
All coils are in µH, M = 1 000 µH, ±10 %.
4. Abbreviation
RTL: Retention Time Limited
This indicates that the retention time is limited for this item.
After the discontinuation of this item in production, it will no
longer be available.
NR: Non Repairable Board Ass'y
MGF CHIP: Metal Glaze Film Chip
C CHIP: Ceramic Chip
COMPLX CMP: Complex Component
W FLMPRF: Wirewound Flameproof
C.B.A.: Circuit Board Assembly
P.C.B.: Printed Circuit Board
E.S.D.: Electrostatically Sensitive Devices
5. SERVICE OF CHIP PARTS
When servicing chip parts, please use a soldering iron of
less than 30 watts. Refer to "IC, TRANSISTOR AND CHIP
PART INFORMATION" page.
6. The parts with "
O
" are 0
Ω
resistor. When replacing, a wire
can be substituted for a 0
Ω
resistor.
7. Lamp Kit (E41) replacement note for models PV-D300, PV-
L550, PV-L600, PV-L650:
Lamp is supplied as a Lamp Kit only (Kit No. VULS0001)
which contains Lamp, Cushions, and Explanation Sheet.
8. IC306 replacement note:
When replacing this IC, be sure to write the initial data with
PC-EVR Adjustment Program.
12 REPLACEMENT PARTS LISTS
133
PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450