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Hitachi Power Semiconductor Device Electronic Components Datasheet

CMP420V1 Datasheet

TV SERVICE MANUAL

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SERVICE MANUAL
YK No.009E-1
CMP420V1 / CMP420V2
42EDT41
(PW1A)
Caution
Be sure to read this manual before servicing. To assure safety from re, electric shock, injury, harmful radiation
and materials, various measures have been provided for in this HITACHI Plasma display service manual.
Be sure to read all cautionary items described in the manual to maintain safety before servicing.
Service Warning
1. Since the Panel Module and front Filter are made of glass, handle a broken Module and/or Filter with
sufficient care, in order not to be injured.
2. Repair work should not be started until after the Panel Module and the AC/DC Power supply have cooled
sufficiently.
3. Special care should be exercised in the proximity of the display area in order not to damage its surface.
4. The Panel Module should not be touched with bare hands, as this will protect its surface from stains.
5. It is recommended to use clean soft gloves during the repair work in order to protect not only the display
area of the Panel Module but also the technician.
6. The Chip Tube of the Panel Module (located in the upper left corner of the back of the glass panel)
is very fragile; as well, the flat cables connecting the Panel to the drive circuit PWBs are very weak. Take
care not to damage these, otherwise, the panel will never light again.
Contents
1. Features ----------------------------------------------- 3
2. Specifications----------------------------------------- 4
3. Component Names --------------------------------- 5
4. Service point ------------------------------------------ 6
5. Service Modes ------------------------------------- 7
6. Troubleshooting --C--H--1------------------------------ 34
7. Block Diagram ------------------------------------ 37
8. Connector Diagram ..C...H...4............................... 40
9. Wiring Diagram .C..H...2..,..C..H...3.............................. 41
10. Basic Circuit Diagram .................................. 43
11. Printed Wiring Board Diagram ..................... 47
12. Disassembly Diagram .................................. 50
13. Replacement Parts List ................................ 51
14. DC Voltages ................................................. 53
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Plasma Display
August 2004 Digital Media Division
Version 009E-1.4


Hitachi Power Semiconductor Device Electronic Components Datasheet

CMP420V1 Datasheet

TV SERVICE MANUAL

No Preview Available !

CMP420V1/CMP420V2/42EDT41 (PW1A)
CAUTION FOR SAFETY
Please read this page before making repairs to the monitor.
This page explains certain safety items found in this manual which are intended to ensure the
safety of the technician and to prevent accidents during any repair work.
Warning This symbol means "Personnel Electrical Safety Hazard"
Caution This symbol means "Equipment Operational Hazard"
This symbol means "CAUTION"
This symbol means "POSSIBILITY OF
ELECTRIC SHOCK"
This symbol means "DO IT!"
This symbol means "DON'T DO IT!"
WARNING
Special Instructions
This indicates cabinet, chassis or parts
which require special attention.
Please follow any notes as well as all safety
precautions.
Prevent electrical shock
Please use care and caution when
servicing this product. High voltages
exist in the set which can cause injury
or death.
Please disconnect the AC power
during repair to prevent serious shock
or death.
Use only recommended components.
Please use the same characteristic compo-
nents, which is same as previous for your
safety. To ensure reliability, specially marked
parts ( ) should be OEM when replaced.
These parts are also safety related, so
electrical shock and/or fire could result
from using generic parts.
Keep the same wiring dress for boards.
This monitor uses insulated spacers
which are intended to isolate metal
parts from electrical components.
Internal wiring is isolated from components by
using clamps, retainers, etc., so please return
to original condition for prevention of electrical
shock or fire.
Safety check should be done after finished.
Every part (removed screws, component
and wiring) should be returned to previous
condition.
Check around the repaired area for
any damage by mistake. Measure the
insulated impedance of AC by ohm meter.
Confirm that the value of impedance
is greater than 4M ohm.
It is possible for electric shock or fire to
occur if the value is less than 4M ohm.
Repair to the HDCP circuit is limited.
Never remove the shield case, which is
assembled to code with the HDCP circuit
2


Part Number CMP420V1
Description TV SERVICE MANUAL
Maker Hitachi
PDF Download

CMP420V1 Datasheet PDF





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