Philips VR705/02 - Page 22

VIDE-V25978 / DRUCK 3
Block Diagram Video
.C, 20OMV/Div, 20us/Di
IC 7103 Pin 15
A: AC, 100mV/Div, 10us/Di
IC 7005 Pin 52
A: AC, 200mV/Div, 20us/Di
FMRV
, 100MV/Div, 10us/Div
7005 Pin 45
A: AC, 100mV/Div, 10us/Di
Vv CPR
@
<— 1.6
CHROMA PROCESSING SECAM L (VS-SEC)
SVASWA
7072 LA7339A
=>
SDA2(AIO1) SCL2(AIO1)
FFP(AIO1)
33
CONTROL -—>> NTSC
SVASWI SVASW2
A: DC, 500mV/Div, 10us/Di
IC 7005 Pin 35
<ov
A
AC,
3-5
A: AC, 500mV/Div, 10us/Di
IC 7005 Pin 35
200mV/Div
IC7072 Pin 15
3-5
<—av
10us/Oiy
61
SCP CKDE:
(AIO1) (A041
4,43MHZ
T
)
cROT
(Aion)
v8 38
37]
(NC
(Alo1,Vs_SEC)
'
1
1
1
1 ¥ CSYNC2(HA)
| csv
1
1
1
1
1
1
1Sws(AIO1)
SVASWA
yOONLY
4/2
fp—
A: AC, 100mV/Div,
IC 7005 Pin 40
A: AC, 200mv/Div.
IC 7072 Pin 11
7108
STV5742
10us/Div
cSYNC2(vS)
SWIN(AIOT)
A
Ic
A: AC, 100mV/Div, 10us/Di
IC 7005 Pin 26
AC, 5Omv/Div,
7072 Pin 13
SVASWA
10us/Div
A: DG, 500mVv/Di
IC 7005 Pin 18
AG, 200mV/Div, 10us/Di
IC 7066 Pin 17
A: AC, 200mV/Div, 10us/Di
IC 7066 Pin 23
DETAR ENH.
‘veco1
' 17/7807 ‘
| 7802
CNR > 7803
Pr
va NON |
‘ CORRELATION
DETECTION
PREEMPH
VIDEO SIGNAL PROCESSING (VS)
wage 2)
IREV(AIO1) WN /I9NZ -
1
CURRENT
x
—i
:
hf
SYASWA <i Tks +
8/4 H
*
{| mi tot
< < i
cS H
[<q 6/2 1
Tt rt
Bion '
18 = i
ical 2} 1
TRIV(AION) & Z Pla i
45 > WI aaa Er
XS ENVC(AION), <j t.
7005 LA71527M ® ony
for 3/0
HEAD AMPUFIER (HA)
A20_BV.de:
HG_0398