Philips 14PV101, Service Manual

Page: 26 / 87

1-7-11
CRT/H.V. Block Diagram
T6450BLCRT
PUMP UP
AMP
THERMAL PR
O
TECTION
3
6
7 1
5
8
10
7 9 6
GREEN AMP
BLUE AMP
Q501
Q502
Q503
H.DRIVE
Q533
Q551
T552
V- DRIVE H- DRIVE
DEFLECTION-Y
OKE
IC551
(V
-DEFLECTION CONTR
OL)
T551 F
.B
.T
.
ANODE FOCUS SCREEN
CR
T CB
A
R G B HEA
TER
ANODE
GND
V501 CR
T
GND
FOCUS SCREEN
JK501
HEA
TER
1
1
CN501
CL501B
CL501A
REC VIDEO
SIGNAL
PB VIDEO
SIGNAL
CN551
P-ON+160V
3
3
TO
T
V
BLOCK CL302A
11
S F
HV
FOCUS VR
SCREEN VR
+B
TO PO
WER SUPPL
Y
BLOCK
DEF+B
H.OUTPUT
1 5 3 4
5 4 3 1
WF12
WF15
WF14
WF16
WF13
RED AMP
Mode :
SP/REC
CN502
2
VCC
3 2 1
CN301
CL301B
TO
T
V
BLOCK CL301A
JUNCTION-C CB
A
JUNCTION-B CB
A
CN552
CN302
CL302B
H.V
./PO
WER SUPPL
Y CB
A
32
RED
14
GREEN
23
BLUE
33
V
-DRIVE
11
H-DRIVE
22
FBP
55
AC
L
44
V
-RAMP-FB
3 1 2 5 4
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
C
R
OSS A HOLE IN
THE PCB
.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O
INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A
TEST PIN.