Electrical Adjustment Instructions - Philips 14PV360 Service Manual

ELECTRICAL ADJUSTMENT INSTRUCTIONS

General Note:
"CBA" is abbreviation for "Circuit Board
Assembly."
NOTE:
Electrical adjustments are required after replacing
circuit components and certain mechanical parts.
It is important to perform these adjustments only
after all repairs and replacements have been com-
pleted.
Also, do not attempt these adjustments unless the
proper equipment is available.
Test Equipment Required
1. PAL Pattern Generator (Color Bar W/White Win-
dow, Red Color, Dot Pattern, Gray Scale,
Monoscope, Multi-Burst)
2. AC Milli Voltmeter (RMS)
3. Alignment Tape (FL6A), Blank Tape
4. DC Voltmeter
5. Oscilloscope: Dual-trace with 10:1 probe,
V-Range: 0.001~50V/Div,
F-Range: DC~AC-60MHz
6. Frequency Counter
7. Plastic Tip Driver
How to Set up the Service mode:
NOTE:
After replacing the IC202 ( Memory ) or Main CBA,
the set value in IC202 ( Memory ) will be lost. So it
is necessary to set up or adjust in the Service
mode after its replacement.
Service Mode:
1. Turn the power on. (Use main power on the TV
unit.)
2. Press [STANDBY/ON], [2], [7], [1], and [MUTE] but-
tons on the remote control unit in that order within 5
seconds.
- To cancel the service mode, press [STANDBY/ON]
button on the remote control.
How to set up the option code
1. Enter the Service mode.
2. Press the [STATUS/EXIT] button on the remote
control unit. The option code appears on the dis-
play.
3. If needed, input the option code as shown below
using number buttons on the remote control unit.
Model
14PV360(365)/01
14PV360(365)/07
14PV360(365)/39
14PV365/58
4. To reset the software, press [PAUSE] and [5] but-
tons on the remote control unit.
The option code is changed.
1. DC 105V (+B) Adjustment
Purpose: To obtain correct operation.
Symptom of Misadjustment: The picture is dark and
unit does not operate correctly.
Test point
TP503
(+B)
TP504
(GND)
Tape
---
Note: TP503(+B), TP504(GND), VR601 --- H.V./Power
Supply CBA
1. Connect the unit to AC Power Outlet.
2. Input a color bar signal from RF input and leave it
for at least 20 minutes.
Enter the Service mode. (See page 1-6-1.)
3. Connect DC Volt Meter to TP503(+B) and
TP504(GND).
4. Adjust VR601 so that the voltage of TP503(+B)
becomes +105±0.5V DC.
1-6-1
Option Code
133566
133564
133565
133567
Adj. Point Mode
VR601
M. EQ.
DC Voltmeter
+105±0.5V DC
Plastic Tip Driver
Input
Color
---
Bar
Spec.
Z11PALEA