Philips 20PF9925 Service Manual
Colour Television
20PF9925/12S/19S
AA
Contents Page
Block Diagram
Adjustment Instructions
Troubleshooting
Exploded View
Exploded View Parts List
Replacement Parts List
Circuit diagram, Printed Board Lay-out
©
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.
Published by TA 0260 Service PaCE Printed in the Netherlands Subject to modification EN 3122 785 12520
BLOCK DIAGRAM
TUNER
TUNER
..
. .
DC OUT
(12V)
DVD/DTV
(480I/480P)
H/P S-VIDEO A/V IN
A/V OUT
DC IN
(15V)
ANT (RF)
Y PB PR L R V L R V L R
SCART JACK
R/G/B/FB L/Rin TV/L/R out
Y/U/V in
VIDEO RAM
2M
EEP
ROM
EEP
ROM
SCALER(Format Converter)
MX88L-284FC-V
14.318MHz
AD Converter
AD9884AKS
Multi-Component
Processor(BBVSP)
CXA 2101AQ
YCrCb : 2 / 4
RGB : 4 / 2
OUT RGB :1, TUV : 1
Audio Processor
MSP-34XX
RF : 2, SCART : 4
MONO : 1
I2S : 2
------18.432MHz---
L-SPK/WOOFER
H/P, I2S
SCART OUT : 2
IC302
SCAN Converter
SDA-9410
27.0MHz
IC301
H- FILTER
(DRP Processor)
LGTV-1001
IC201
Color Decoder/
A/D Converter
VPC-3230D
. COMB/FIL : 4H
INPUT . 4 CVBS . 1 S-VHS
. 2 RGB/YCrCb
. 1 F/B
. 1 CVBS OUTPUT
. Y/Cr/Cb OUTPUT
IC1
MICOM / TXT
6.0MHz
POWER
DC to DC Converter
(SI786,SI4808DY,T801)
30V5VSCL
SDA
CVBS
SIF
IF AGC
5V
3.3V
33V
Y/U/V
(480P)
Y/U/V
(480P)
0.5-0.7
Y/U/V
4:2:2
4:2:2
Y/U/V
Analog
R/G/B/H/V
Dual Audio AMP
LA4282
L-SPK
R-SPK
R/G/B/FB
TEXT
H/V
(2H)
CLK
5V 3.3V
3.3V
9V
3.3V
3.3V 5V(FOR RESET IC 3,3V)
3.3V 3.3V
8.0V
15V
H-sync
H-Sync.
SEP
3.3V
5.0V
SCART(R/G/B/FB)
DVD-U/V in
AV2 in(CVBS)
S-VHS(VIN1 : Y/C))
M/O(CVBS)
RF(VIN3 : CVBS)
SCL1/SDA1
R/G/B
24
RESET 4.2V
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
SCL/SDA
20.25MHz
DC to AC
INVEERTER
BRI-ADJ TO MICOM
POWER-ON/OFF TO MICOM
15V
15V
480I/P
Detect
R / G / B
8 /8 /8bit
L
C
201V1
-
A
3
LCD PANNEL
IC3
SWITCHING
CXA2040AQ
V-OUT
RF-IN
DVD-Y in(SCART-Vin)
M/O(CVBS)
TV/OUT(CVBS)
12V
REG.
1. Application Object
This instruction is for the application to the LCD TV.
2. Notes
(1) This set uses an adapter, so connect the adapter and the
set correctly before adjustment.
(2) The adjustment must be performed under the correct
sequence.
(3) The adjustment must be performed in the circumstance of
25
!5cC of temperature and 65!10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep 220V, 60Hz in
adjusting.
(5) The set must be operated for 30 minutes preliminarily
before adjustment if there is no specific designation.
[ ‘Heat Run’ must be performed with the full white signal or TV
noise signal in the internal part of the set.
[ The time for ‘Heat Run’ can be changed owing to production
plan.
3. Auto RGB Adjustment
3-1. Preparation for Adjustment
(1) Receive the Digital Pattern.
3-2. Adjustment
(1) Select AUTO RGB ADJ by pressing SVC Key of Remote
Control for Adjustment.
(2) Select “A RGB” Item.
(3) Press the VOL + Key to appear “OK”.
4. RGB LEVEL Adjustment
4-1. Using Equipment
(1) Pattern Generator(408NPS-READER) which 10 STEP is
possible.
(2) A Remote Control for Adjustment
4-2. Adjustment
(1) Select RGB LEVEL by pressing SVC Key of Remote
Control for Adjustment.
(2) Adjust that until 9th and 10th STEP is undistinguished by
using VOL +/- Key in R-LVL item.
(3) Adjust G-LVL and B-LVL as same way.
(4) When adjustment is finished, Store it by pressing OK key.
And escape it by pressing TV/AV Key.
5. Using method for CA-110
Use it in case of needing adjustment brightness.
6. OPTION Adjustment
(1) Press YELLOW button,or OP1,OP2,OP3 button on SVC
Remote Controller.
(2) INput data directly by the buttons corresponded with
OPTION 1 ???(0~255),OPTION 2 ??(0~63),OPTION3
???(0~255).
(3) Select each OPTION funtion by the CH Up/Down button.
Table 1. OPTION 1 Function
ADJUSTMENT INSTRUCTION
COLOR
ANALYZER:
CA110
30[cm]
LCD TV
Center of
Screen
Input signal of Video
PAL BG 05 CH
NTSC 13 CH
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
3
SCART
A2 ST
SYS
TOP
I/II SA
TEXT
200 PR
Option Code Function Remark
100 PROGRAM SAVE
200 PROGRAM SAVE
Without TXT
With TXT
No Save DUAL SOUND Condition
Save DUAL SOUND Condition
FLOF TEXT
TOP TEXT
DVD JACK
SCART JACK
NICAM CHECK
NICAM&FM STEREO
B/G,I,D/K
B/G,L/L
B/G,I,D/K,M
RESERVED
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
SCART
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
SCART
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
SCART
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
SCART
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
SCART
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
OPTION
Data
200
PRO
TEXT
I/II SA
TOP
A2 ST SYS
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
SCART
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Table 2. OPTION 2 Function
(1) English,German,French,Italia,Spanish
(2) English,Dutch,Swedish,Norwegian,Danish,Swiss,
Portuguess,Romanian,Polish,Hungarian,Czech,Russian
(3) English,French,Arab,Urdu
0
1
0
1
0
1
0
1
2
3
4
5
6
7
Austrailia
Defaut(0)
English
(1)
(2)
English,Farsi
(3)
English,China
ACMS
LANG
BBACK
VOL
Option Code Function Remark
Without ACMS funtion
With ACMS funtion
NORMAL Volume Curve
RUSHED Volume Curve
Without Blue Back
With Blue Back
English only
English+EU4
English+Other EU
FARSI
ARAB+URDU
ENGLISH+CHINA
RESERVED
RESERVED
ACMS
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
LANG
5
6
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
BBACK
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
VOL
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
DATA
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
ACMS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
LANG
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
BBACK
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
VOL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
DATA
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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