Panasonic PT-52LCX66-K, Service Manual, Page: 212 / 223

BEFORE REPLACING PARTS, READ THE FOLLOWING:
19.1. REPLACEMENT NOTES
19.1.1. 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 VIEWS" 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. Definition of Parts supplier:
a. All parts are supplied from PSEC.
7. Item numbers with capital letter E (Example: E10, E20,...) in
the Ref. No. column are shown in the exploded views.
8. Parts whose Ref. Nos. are the same are interchangeable as
replacement parts. Any of these parts may be ordered and
used as a replacement part.
19.1.2. Mechaniacl 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. After replacing the LCD/Prism Unit (Ref. No. 261), be sure
to perform the following adjustment in order.
a. Full Mirror Adjustment
b. Polarizer Adjustment
c. VCOM Adjustment
d. White Balance Adjustment
For above adjustments, refer to "Adjustment Procedures 2."
4. After replacing the Polarizer Red Unit (Ref. No. 225), the
Polarizer Green Unit (Ref. No. 226), or the Polarizer Blue
Unit (Ref. No. 227), be sure to perform the "POLARIZER
ADJUSTMENT" in Adjustment Procedures 2 section.
19.1.3. Electrical Replacement Notes
1. Unless otherwise specified;
All resistors are in
Ω
, K = 1,000
Ω
, M = 1,000 k
Ω
.
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.
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
3. When replacing 0
Ω
resistor, a wire can be substituted for
it.
4. Parts with mark "CSP" in the Remarks column are CSP
(Chip Size Package) IC.
19 Replacement Parts List (Projection Section)
212
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K