Philips DVP620VR/00 - Page 226

1-11-2
Video Block Diagram
H9723BLV
FBC
VXO
Y/C
MIX
AMP
CCD 1H
DELAY
PB FM
AGC
RP
RP
67 66
45
X302
4.43MHz
Q307
BUFFER
Q304
BUFFER
7271
5759
54 52 51 61
BPF D.E.
C-COMB
Q302, Q303
PEAKING AMP
EE
AGC
PB
FM-EQ
IIC-BUS SDA
IIC-BUS SCL
CYLINDER ASSEMBLY
V(R)-1
V-COM
V(L)-1
CN251
1 2 3
(DECK ASSEMBLY)
VIDEO (R)-1 HEAD
SP HEAD AMP EP HEAD AMP
REC FM AGC
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
RF-SW
D-REC-H
H-A-SW
D-V-SYNC
C-ROTA
H-A-COMP
V-ENV
LUMINANCE SIGNAL PROCESS CHROMINANCE SIGNAL PROCESS
H-A-COMP
C-ROTA
D-V-SYNC
RF-SW/H-A-SW
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
V(L)-2
V-COM
V(R)-2
4 5 6
TU701
IC301 (Y/C SIGNAL PROCESS)
IC501 (OSD)
REC-VIDEO SIGNAL
SERIAL
DECORDER
24
6
50
52
91 90 88 85 84 82
SP EP
+
74
OSD CHARACTER MIX
29
2324
94 28 10 27 11
D-REC-H
30
BUFFER
Q305
DVD
VCR
TP751
V-OUT
WF3
TP301
C-PB
WF2
TU-VIDEO
VIDEO
MAIN CBA
TP504
RF-SW
WF1
OUTPUT-SELECT
DVD-VIDEO
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
C-SYNC
C-SYNC
93
IC751 (OUTPUT SELECT)
4
11109
SW CTL
(TUNER UNIT)
MODE: SP/RECPB-VIDEO SIGNAL DVD VIDEO SIGNAL
JK752 V-IN
TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
IC1404
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.
FRONT
JK751 V-OUT
FRONT
3 5
JK753 V-IN
FRONT
32
31
ENV-DET
18191721
2046
41
43
49
38 36 34
" " = SMD
DVD
VCR
(INPUT SELECT)
4
3 5
9
SW CTL
INPUT-SELECT
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