Philips 14PV225 - Page 8

PUMP
UP
AMP
THERMAL
PROTECTION
3
6
7
1
5
8
10
7
9
6
GREEN AMP
BLUE AMP
Q501
Q502
Q503
H.DRIVE
Q533
Q551
T552
T6410BLCRT
CRT/H.V. Block Diagram
V-
DRIVE
H-
DRIVE
L551
DEFLECTION-YOKE
IC551 (V-DEFLECTION CONTROL)
T551 F.B.T.
ANODE
FOCUS
SCREEN
CRT CBA
R
G
B
HEATER
ANODE
GND
V501
CRT
GND
FOCUS
SCREEN
JK501
HEATER 11
CN501
CL501BCL501A
REC VIDEO SIGNAL PB VIDEO SIGNAL
CN551
P-ON+160V 33
FROM/TO
CHROMA BLOCK
CL302A
11
S
F
HV
FOCUS VR
SCREEN VR
1-7-241-7-23
+B
FROM
POWER SUPPLY BLOCK
DEF+B
H.OUTPUT
1
5
3
4
5
4
3
1
WF12
WF15WF14
WF16
WF13
RED AMP
Mode : SP/REC
CN502
2
VCC
" " = 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.
2
3
4
CN301CL301B
FROM CHROMA
BLOCK CL301A
JUNCTION-C
CBA
JUNCTION-B
CBA
CN552
CN302CL302B
H.V./POWER SUPPLY CBA
2 2RED
4 4GREEN
3 3BLUE
4 4V-DRIVE
2 2H-DRIVE
3 3FBP
6 6ACL
5 5V-RAMP-FB
4
3
3
6
5