Schematic On Waveforms; Ic Block Diaqrarn - Sony ST-S770ES Service Manual

5-3. SCHEMATIC ON WAVEFORMS
®
0.14u SEC
Pp
By eva aY
2.8 Vp-p
0.14" SEC
[aaa cel
4.2 Vp-p
0.24 SEC
to
5.2 Vp-p
0.24u SEC
——
4.2 Vp-p
2.6m SEC
1.6 Vp-p
(CALTONE MODE)
5-4. IC BLOCK DIAGRAM
1C201, 202, 271 uPC1163HA
DIFERENTIAL
AMP
10251 LA1235
ae
MUTING
erat 3
ae DETUNE
DET
NULL METER
QUADRATURE Ea AF/ be q
L DET MET
a
3-45) 6) 7)
1C301 CXA1064S
—E—S
free} :
MODE ,
/\ STEREO STEREO
| SWITCH SWITCH
—o
1C401 LA1245
1701, 702, 703 LC7570
r =
=
| f oe
NA i FF FF FF
osc REACTANCE PHASE PILOT 7
4S6kHz CIRCUIT DET OET
|
2 D~O-O-O?
~24-
1C705 LB1494
vec (3)
+28 bebop bbbbe,
nee ed
AMP OUT OUT10 OUT9 OUTS OUT7 WTS OUTS OUTS OUT3 OUT2 OUT!
-25-
5-5. SEMICONDU
LA5667
1 ii
uPC1163HA