Philips 15PF9925/12S User manual

Published by TA 0260 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 12510
©
Copyright 2002 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
Colour Television
15PF9925/12S/19S
AA
Contents Page
Block diagram
Description of controls
Adjustment Instructions
Troubleshooting
Exploded View
Exploded View Parts List
Replacement Parts List
Circuit diagram, Printed Board Lay-out

Tuner & IF
- TAUC-S120D
- TAFC-M130D
- TAFC-Z140D
Audio
Processor
- MSP3410D
Ext- L
Micro-Controller
- INFINEON ( SDA55XX )
L
LCD
< LCD TV System Block Diagram >
Video
Decorder
- VPC3230D
Video Scaler
- MX88L284
Computer
Signal
- D-Sub
R/G/B
H/V
D-R/G/B,
H / V -Sync,
Den, Clock
From
Computer
OSD -IC
MC141585
CVBS
Audio-Amp
LA4282 R
Ext- R
SIF
For MNT Application
LM151X3 - 8-bits
1H/1V
A to D Converter
- AD9884
For PC Input
- Contrast
- Brightness
- Color
Ext_Video Ext_Y/C
OSD B/R/G/B
Scart RGB
For TV
. Contrast
. Brightness
. Color
. Tint
CVBS For TXT
AM
Interface
- TMDS (8bits)21 pin
RGB Switching
TDA8601
Y / Cb / Cr
RGB in
Back Light
Inverter Assy
CVBS OUT

DESCRIPTION OF CONTROLS
MENU OK
PV¬
5
13
2
46
79
8
0
0LIST
h
fg
Ò‡π
c
b
®
†
U
ek
C
aD
B
M
AUTOAUTO
w
Y-Z
wSource
Select your computer or other
peripherals:press repeatedly to
select TV,AV1, AV2, S-VIDEO
or PC monitor mode.
XBilingual choice and
sound mode selection
Press this key
• to switch from Stereo to
Mono sound in case of
stereo transmission,or from
Nicam Stereo to Nicam
Mono,in case of digital
transmission
• to switch from Nicam Dual
Yto Nicam Dual Zor
Nicam Dual Xin case of
Nicam Dual transmission
• to choose between Dual Y,
Dual Zor Dual Xin case
of bilingual transmission:
Dual Ysends the primary
broadcast language to the
loudspeakers;
Dual Zsends the secondary
broadcast language to the
loudspeakers;
Dual Xsends a separate
language to each loudspeaker.
Note: in case of weak stereo
sound signals, with stereo or
Nicam stereo transmission,select
mono reception.
Sound output selection in AV mode
InAV mode,you can select the output sound for the left and right loudspeakers.
Press the Xkey repeatedly to select:
• L+R:the audio signal from the audio L input is sent to the left loudspeaker,the audio signal
from the audio R input to the right loudspeaker
• L+L:the audio signal from the audio L input is sent to the left and right loudspeakers
• R+R:the audio signal from the audio R input is sent to the left and right loudspeakers.
BStandby
Switches theTV on from
standby or off to standby.
AUTO keys
To select predefined picture
and sound settings.
a AUTO picture
Each time it is pressed,a
different picture setting is
selected,corresponding with
specific factory settings of
Contrast,Brightness, Colour
and Sharpness.
MAUTO sound
Each time it is pressed,a
different sound setting is
selected,corresponding with
specific factory settings of
treble and bass.
Personal refers to the personal
preference settings of picture
and sound selected and stored
in the picture and sound menu.

B
M
a
AUTO AUTO
w
Y-Z
C
h
fg
c
b
ek
Ò‡π
®
†
U
D
12
9
3
6
5
7
4
8
00LIST
MENUOK
P
¬
V
VVolume
Press + or - to adjust the
volume.
¬Mute
Temporarily interrupt the
sound or restore it.
PProgramme selection
•to browse through theTV
channels which are not
skipped
• to switch theTV on from
standby.
®Ò‡π† Video
recorder keys
UTime display
The time, downloaded from the
TV channel (with teletext
broadcast) stored on
programme number 1 or the
lowest not skipped programme
number,is displayed on the
screen.
0/9 Digit keys
To select aTV channel.
0Previous programme
To display the previously
selectedTV channel.
LIST Programme list
To display the programme list.
bTeletext on/off
Teletext functions
hUfgcek
DSleeptimer
With this key you can set a
time period after which the
TV should switch itself to
standby.
Press the key repeatedly to
select the number of minutes.
The counter runs from B0,
10, 20, 30... to 240 minutes.
The timer begins to count
down from the number of
minutes selected.
Note:To view the remaining time,
press the Dkey once.To cancel
the sleep time, repeatedly press
the Dkey until B0 appears.
MENU Press repeatedly to
display each menu.
OK Press this key to activate
your choice,when in the menus.

Should your remote control be lost or broken you can still operate yourTV with the keys
in front of theTV.
ON/OFF:Press the power ON/OFF key to switch theTV on or off
TV/VIDEO:Press repeatedly to select TV,AV or PC monitor mode
MENU:Press repeatedly to display each menu
OK:- Press this key to activate your choice when in the menu
- Auto demonstration:Keep the OK key pressed for about 10 seconds.
All the menus are being displayed automatically one after the other.
To stopAuto demonstration, press any key on the front panel.
-VOL + :- Press - or + to select a menu item;
- Press - or + to adjust the volume;
- Press - or + to adjust the menu settings.
- CH/PR +:- Press - or + to browse through theTV channels which are not skipped;
- Press - or + to select a menu item;
-To switch theTV on from standby.
B: Switches theTV on from standby or off to standby.
The Bindicator lights up brightly when theTV is in standby, dims when theTV is
switched on.
TV/VIDEO MENU OKVOLCH/PR
_+_+BON/OFF