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5-5. IC BLOCK DIAGRAMS
A BOARD IC501 STV 9379
2
6
-
1
POWER
AMPLIFIER
+
7
4
A BOARD IC101 TDA9817/V1
22
15
4
6
7
19
18
T U N E R
VIF
14
A G C
A G C
1
VIF
VCO
FPLL
AMPLIFIER
TWO
2
23
SIF
INTERCARRIER
AMPLIFIER
24
AM DEMODULATOR
SIF
INTERCARRIER
AGC
MODE SWITCH
5
3
A BOARD IC301 CXA2060AS
45
48
47
46
C VCO
4.433619MHz
APC
3.579545MHz
<HUE>
9.582058MHz
COLOR SYSTEM DISCRIMINATOR
ACO DET.
PAL ID <PAL/NTSC> <XTAL ID>
PAL/NTSC COLOR KILLER <KILLER>
SECAM ID <SECAM>
<XTAL> <COL SYSTEM> <COL LOOP>
CHROMA
<ID START> <ID STOP> <HUE>
AMP
BPF
BELL
PAL 4.43MHz
FILTER
LIM
NTSC 3.58MHz
AMP
<C BPF>
(ZAP)
ACC AMP
ACC AMP
ACC DET
TRAP
PAL 4.43MHz
43
ATT
NTSC 3.58MHz
SECAM 4.2 - 4.43MHz
CHROMA SW
<TRAP OFF>
2
Y SW
41
4
V SYNC SEP
MONITOR SW
<VSS>
<VSS LPF>
7
VIDEO SW
<VIDEO SEL>
9
H SYNC SEP
<S SEL>
<HSS>
6
3
FLYBACK
GENERATOR
5
THERMAL
PROTECTION
17
21
VOLTAGE
REFERENCE
AFC
DETECTOR
VIDEO
DEMODULATOR
AND AMPLIFIER
QSS MIXER
MIXER
FM-PLL DEMODULATOR
12
13
9
10
11
5
PAL/NTSC
DEMOD
LINE BLK
DE-
EMPHASIS
SECAM
PLL
VCO
SECAM
CAL. by
FM DEMOD
4.43MHz
FILTER ALIGNMENT
DL
SHARPNESS DL
PAL/NTSC
SHARPNESS AMP
300 x 200nS
<SHARPNESS>
SECAM
<SHP FO>
300 x 200nS
<PREOVER>
<Y DELAY>
COUNT DOWN
LINE COUNTER
V TIM GEN
<FIELD FREQ>
<UNDER SCAN>
<CD MODE>
<INTERLACE>
<FIELD ID>
AFC
H TIM GEN
H SAW GEN
<APC GAIN>
<H BLK>
H OSC
<FH HIGH>
<LEFT HBLK>
<ZAP>
<H CENT>
<RIGHT HBLK>
20
A BOARD IC201 TDA7495
1
30K
VOLUME
5
30K
20
A BOARD IC606 STR-F6654
4
START
16
REG
T.S.D
8
Iconst
1
15
39 38 37
36
28
SW
EYUV CLAMP
NTSC
YUV SW
PAL,SECAM
<Y SEL>
KILLER
YUV OUT
<KILLER OFF>
<C DECOD>
COLOR AMP
1H
<COLOR>
DELAY LINE
<C DFF>
(PAL/SECAM)
AXIS
<COL MATRIX>
DPIC
<DPIC>
Y/C MIX
<AGING>
RGB CLAMP
CLAMP
VPROT
DC TRAN
<VNG>
<DC TRAN>
VM AMP
(OFF YS/YM)
WIDE SAW FUNC
<ASPECT>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
V SAW GEN
<V ZOOM>
(50/50)
<V UNDER SCAN>
VTIM
PHASE DET
<H POSITION>
<AFC BOW>
HD GEN
<AFC ANGLE>
<HD W>
HPROT
<HNG>
17
5
18
19
40
2
VOLUME
OP AMP
MUTE/STBY
PROTECTIONS
OP AMP
3
4
O.V.P
LATCH
DRIVE
O.S.C
27
26 25
32
31
30 29
ABL/PEAK LIM
CLAMP
<ABL MODE>
RGB 2/2
<ABL VTH>
DAC
SW
VD SAW FUNC
<VON>
<S CORRECTION>
<VSIZE>
<V LINEARITY>
<V POSITION>
<EHT COMP>
EW PARABOLA FUNC
<H SIZE>
<TRAPEZIUM>
<PIN AMP>
<EW DC>
<CORNER PIN>
IREF
REG
10
12
16
33
14
9
10
60K
12
3
2
1
5
42
3
AKB
21
<IKR>
24
23
22
PC BUS
35
DECODER
STATUS I/T
34
14
13
11
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