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4.4
MAIN (SECAM) SCHEMATIC DIAGRAM
5
4
3
2
# MARKS ARE NOT MOUNTED ON EE MODELS
1
A
B
Note :
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
0 3 MAIN
(SECAM)
B301
R301
R302
C305
C323
OPEN
27k
120k
0.01
47
/6.3
Q312
OPEN
C301
R321
150p
OPEN
Q311
OPEN
C306
1
VCC
SECAM
PHASE
4.3MHZ
SYNC GAIE
DET
DET
OSC
GEN./V-SEP
FROM LIM
F0
TO MUTE
ADJ.
IC301
AFC
LOGIC
Q302
LA7358
DTA144WUA
UN511E
F0
RN2309
4.43MHZ
LIMITER
ADJ.
PDTA144WU
VCO
HOLD
FILT.
FILT.
1.1MHZ
TO
ADJ
OSC
REC MUTE
MODE
B
BGP
DET SENSE
CTL
TO
GEN
CONTROL
GND
PB MUTE
R316
120k
R328
OPEN
R315
560k
R314
R312
#
24k
2.7k
±0.5%
R329
C317
0
680p
R327
OPEN
C321
R326
300p
C320
R313
C319
C318
OPEN
±2%
0.01
22k
1
0.022
C322
0.47
C
D
L301
#
B302
R317
10µ
#
SHORT
OPEN
R305
47k
#
Q301
2SA1576A/QR/
2SB1218A/QR/
Q303
2PA1576/R/
OPEN
#
L304
100µ
#
#
R304
C324
6.8k
C308
39p
0.01
#
C311
R303
R306
C309
R318
0.01
27k
27k
0.1
820
R308
L302
2.2k
R307
6.8µ
2.2k
C307
C310
150p
0.01
R
B
IREF
R/P
P
PB
R
MUTE
P
4.3MHZ
SYNC
BPF
GATE
R
LIM
2.2M
4.3M
X2
X2
BPF
BPF
P
R
SYNC
1.1M
1/4
GATE
BPF
P
R
P
PB
MUTE
IREF
REG
AGC
AGC
B
4.2V
AMP
DET
#
R309
#
C312
0Ω
0.001
#
#
R310
C315
C314
C313
#
#
22k
1
OPEN
0.47
L303
R311
27µ
4.7k
#
C316
0.01
E
4-9
4-10
TO VIDEO/AUDIO
C.SYNC
SECAM_DET
EE[L]
SW5V
SECAM_PB_COLOR
V_TO_OSD
GND
SECAM_REC_COLOR
PB_FM
Fsc
SECAM[H]
p30087001a_rev1
F
G
H
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