Sansei TS5129T, Service Manual

Page: 7 / 33

IC Block Diagrams
-7-
V
DD
V
DD
V
DD
V
DD
MIRROR 2
V
DD
FLASH-
DIODE
1 x
V
OC
Inverting
Input
(3x)
1,2,3
9,8,7
3x
V
DD
6
5
4
Non-inverting
Input
Vip
MIRROR 1
V
bias
MIRROR 3
LEVEL-
SHIFTER 1
LEVEL-
SHIFTER 2
DIFFERENTIAL
STAGE
CURRENT
SOURCES
GND
THERMAL
PROTECTION
Note: One amplifier shown.
Cathode
Output
(3x)
V
i
IC701 < Triple Video Output Amplifier > TDA6103Q/N3
10 11
LFLT VCO
12
PCINT1 PCINT2
PLINT
13
VCA
LPF
FLT
19
COMPIN
Vcc
17
Analog Block GND
23 NOISETC
18 SAPTC
14 15
VG
R
IREF
IREF
7 6
5
I
2
C BUS I/F
Digital Bloc
k GND
SCL SD
A
SAPIND
NOISE
DET
SAPVCO
BPF
STIND
1/4 1/2
LPF
DeEm LPF
LPF
DeEm
AMP
(+4dB)
LPF
SW
24
25 22
SAPOUT
SAPIN
STIN
26 27 28
VE
VEWGT
LPF
HPF
LOGIC
NRSW/FOMO/SAPC
VCA
21
9
SUBOUT (L-R signal output)
MAIN OUT (L+R signal output)
8
MATRIX
VE VCA
RMSDET
RMSDET
29 30 32 31 1
VETC
VEOUT
VCAIN
VCA
WGT
VCA
TC
TREBLE OUT
-L
SPECTRAL
34 33
FEXT1
TVSW
EXT1/EXT2/M1
M2
SURR
SURROUND
BASS BASS
TREB
BASS
TREBLE
TREB
V
OL-L
V
OL-L
V
OL-R
48
V
OLIN-L
4
LSOUT
-L
3
LSOUT
-R
V
OL-R
VOLUME RIGHT
CHANNEL INPUT
43
44 TREBLE OUT-R
41
47 TREBLE FILTER-L
45
2 BASS FILTER-L
40 SURRTC
38 TVOUT-R
39 TVOUT-L
36
37
AUX2-L
(Left channel
external input)
FEXT2
INPUT PIN OF (L+R) SIGNALFR
OM
MAIN OUT(PIN9)
(+6dB)
WIDEBAND
"STEREO"
"NOISE"
"SAP"
"PONRES"
ATT/ATTSW
BASS FILTER-R
(Stereo b
loc
k
PLL loop filter integ
rating
pin)
(Pilot cancel circuit loop filter interg
rating pin)
(Audio multiplexing
signal input)
AUX2-R
(Right channel
external input)
TREBLE FILTER-R
A
UX1-L(Left channel
e
xter
nal input)
A
UX1-R(Right channel
e
xter
nal input)
(Band gap ref
erence
output)
(Sap FM detector output)
(Input of L-R signal from SUBOUT)
(Input of SAP signal)
(V
ar
iab
le de-
emphasis integ
rating pin)
(V
ar
iab
le de-emphasis
output pin)
IC3401 < MTS Decoder, Audio Control & Switch > CXA2134Q-T6