Philips 14PV225 - Video Block Diagram

CYLINDER ASSEMBLY
V(R)
V-COM
V(L)
CL401
1
2
3
Video Block Diagram
1-7-17 1-7-18 T6410BLV
(DECK ASSEMBLY)
VIDEO (R)
HEAD
SP
HEAD
AMP
REC FM
AGC
FROM/TO SERVO/SYSTEM
CONTROL BLOCK
FROM /TO
SERVO/SYSTEM
CONTROL BLOCK
C-SYNC
TRICK-H
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
V-ENV
SECAM-H
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
PB-H OUT
C-SYNC
V-ENV
D-V-SYNC
RF-SW/C-ROTA
VIDEO (L)
HEAD
IC401
(VIDEO/AUDIO SIGNAL PROCESS)
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
SERIAL
DECORDER
IC471 (PAL/SECAM DECTECOTR)
PAL/SECAM
DETECTOR
48
52
54
56
61
63
96
95
93
94
CHARA.
INS.
CCD 1H DELAY
BYPASS
MUTE
PB/EE
TUNER
TUNER1
MUTE
PB/EE
LINE
SCART
LINE
SCART
AGC
PR
R
Y
C
P
R P R P
Y. DELAY
Y/C
MIX
+
21
7978
AGC VXO
FBC
1/2
58 59
65
2928 44
17
12
2
16
29
1
28
SDA
SCL
69684643
" " = 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.
67
84
62
70
D-REC-H
80
TP003
V-OUT
WF5
TP008
C-PB
WF6
MAIN CBA
TP002
RF-SW
WF1
14
X401
4.43MHz
24
Q703
Q705
JK701
V-IN
VIDEO OUT
TU001
BUFFER
20
BUFFER
BUFFER
Q401
TP010
GND
TO CHROMA
BLOCK
VIDEO
TU1-VIDEO
TO CHROMA BLOCK
C-VIDEO
JK703
V-IN
V-OUT
19
WF4
WF2
P, T, X
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
14PV125/3914PV125/39
14PV422/01
14PV422/58
14PV422/39
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z