Philips 14PV225 - Page 7

T6410BLC1-7-21 1-7-22
X301
4.43MHz
CL301A
CL302A
IC301
(VIDEO/AUDIO/CHROMA/DEFLECTION/IF)
IC201
(SYSTEM CONTROL/OSD)
V-SYNC
TEXT-L
OSD-R
OSD-G
OSD-B
OSD-BLK
H-SYNC
SLOW-SW
C-VIDEO
C-VIDEO
RAPID-SW
OSD-G
OSD-R
OSD-B
59
58
60
62
63
64
82
TU1-VIDEO
FROM
VIDEO BLOCK
TO
CRT/H.V. BLOCK
CL301B
FROM/TO
CRT/H.V. BLOCK
CL302B
BLUE2
GREEN1
RED
Chroma Block Diagram
SDA
SCL
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
FROM
VIDEO
BLOCK
IC901 (TELETEXT DECODER)
REC VIDEO SIGNAL PB VIDEO SIGNAL
Mode : SP/REC
WF18
WF17
WF10
WF11
CN303
CN901 CN751
CN752CN902
X901
(NO CONNECTION)
CN303 is used for
adjustment at factory
I
2
C-OPEN
3
FBP3
H-DRIVE2
ACL6
V-RAMP-FB5
V-DRIVE4
MAIN CBA
32
21
17
12
13
30
28
20
27
11
10
14
31
15
16
6
7
43
36
VIDEO
34
CHROMA
TRAP
SERIAL
I/F
INTELLIGENT
MONITORING
CHROMA
BPF
PAL
DECODER
SECAM
DECODER
BASE BAND
1H DELAY LINE
SYNC
SEPARATION
LUMA
SIGNAL
PROCESS
CIRCUIT
H-SYNC
PROCESS
CIRCUIT
V-SYNC
PROCESS
CIRCUIT
OSD MIX/RBG MATRIX/
BLANKING
TUNER
LINE/PB
TUNER
LINE/PB
CLOCK
CONTROL
CIRCUIT
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
37
23
36
50
49
35
32
33
34
41
42
40
SW CTL
IC703 (SW)
5
3
4
2
1
15
12
13
14
7
16
8
11
15
56
61
65
68
I
2
C I/F
TELETEXT
DECODER
OSC/CLOCK
GENERATOR
TEXT CBA
12MHz
OSC
JK703
109 11
Q710
Q702
Q706
Q704
+5V
+5V
Q711
SLOW-SW-IN
RGB CONT
RAPID-SW-IN
DISPLAY
TIMING
ADC/
DATA SLICER
INV
INT.MONITOR 1
I
2
C-OPEN 2
SDA 4
SCL 5
2 2OSD-BLK
4 4OSD-B
6 6OSD-G
3 3OSD-R
5 5Y-SW-OUT
2 2H-SYNC
4 4SDA
3 3SCL
1 1V-SYNC
M, N, O, P
Comparison Chart of
Models & Marks
Model Mark
14PV225/07
14PV225/01
14PV225/58
14PV225/39
14PV422/07
14PV125/07
14PV125/01
14PV120/07
14PV425/07
14PV125/58
14PV125/39
14PV125/39
14PV422/01
14PV422/58
14PV422/39
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z