Philips LC7.5E, Руководство по обслуживанию

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Service Modes, Error Codes, and Fault Finding EN 20 LC7.5E LA 5.
5.3 Service Tools
5.3.1 ComPair
Introduction
ComPair (Computer Aided Repair) is a Service tool for Philips
Consumer Electronics products. and offers the following:
1.
ComPair helps you to quickly get an understanding on how
to repair the chassis in a short and effective way.
2. ComPair allows very detailed diagnostics and is therefore
capable of accurately indicating problem areas. You do not
have to know anything about I2C or UART commands
yourself, because ComPair takes care of this.
3. ComPair speeds up the repair time since it can
automatically communicate with the chassis (when the uP
is working) and all repair information is directly available.
4. ComPair features TV software up possibilities.
Specifications
ComPair consists of a Windows based fault finding program
and an interface box between PC and the (defective) product.
The (new) ComPair II interface box is connected to the PC via
an USB cable. For the TV chassis, the ComPair interface box
and the TV communicate via a bi-directional cable via the
service connector(s).
How to Connect
This is described in the ComPair chassis fault finding database.
Figure 5-10 ComPair II interface connection
Caution: It is compulsory to connect the TV to the PC as
shown in the picture above (with the ComPair interface in
between), as the ComPair interface acts as a level shifter. If
one connects the TV directly to the PC (via UART), ICs will be
blown!
How to Order
ComPair II order codes:
•
ComPair II interface: 3122 785 91020.
• ComPair32 CD (update): 3122 785 60160.
• ComPair I
2
C interface cable: 3122 785 90004 (to be used
with chassis L01, A02, A10, EMX, ...).
• ComPair I
2
C interface extension cable: 3139 131 03791 (to
be used with chassis L01, A02, A10, L04, LC4, LC7.1,
LC7.2).
• ComPair UART interface cable: 3122 785 90630 (to be
used with chassis LC4, EJ3, BJ2, BL2, BP2, ...).
• ComPair RS232 cable: 3104 311 12742 (to be used with
chassis Q52x).
• ComPair I
2
C adapter cable: 3122 785 90004 (to be used
with chassis TPM1.xA).
• ComPair I
2
C interface cable: 9965 100 07325 (to be used
with chassis LC7.5).
• ComPair UART interface cable: 3138 188 75051 (to be
used with chassis LC7.5).
Note: If you encounter any problems, contact your local
support desk.
5.3.2 LVDS Tool
Support of the LVDS Tool has been discontinued.
G_06532_036.eps
240807
TO
UART SERVICE
CONNECTOR
TO
UART SERVICE
CONNECTOR
TO
I2C SERVICE
CONNECTOR
TO TV
PC
HDMI
I
2
C only
Optional power
5V DC
ComPair II Developed by Philips Brugge
RC out
RC in
Optional
Switch
Power Mode Link/
Activity
I
2
C
ComPair II
Multi
function
RS232 /UART