Sharp HT-CN300 - Block Diagram

HT-CN300
– 10 –
Figure 10 BLOCK DIAGRAM (1/4)
Q416
8
+B4
IC405
NJM2279D
VIDEO
SWITCH
14
-B2
IC402
NJM2279D
VIDEO
SWITCH
14
8
+B4
+B4
30
10
8
6 7 2 5 4 3
1
1
23
2 4 5 9 8 17 13
21 7 18 16 12 14 15
CF302
CF303
CF303
CF303
20 1 22 15 16
11
3 4 5 6
Q416
7 9 10 21
17
+B2
+B3
-B2
-B3
+B4
+B5
+B6
-
V
V
+B7
F
M
_
-
-
+
+
+
+
J420
TV
MONITOR
OUT
J430
DVD IN
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO
VIDEO
VIDEO
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO/AUX IN
AUDIO
AUDIO
AUDIO
AUDIO
J550
5
10
3
12
IC404
TK15406M
IC404
TK15406M
VIDEO DRIVER
MUTE
-B2
12
1
3
5
IC401
LC74763
OSD IC
18
16
CV OUT
CV IN
OSD CS
DATA
CLK
8
9
10
2
3
X437
14.32 MHz
T302 T306
FE301
IC303
LA1832S
FM IF DET ./FM MPX./AM IF
AM OSC IN AM RF IN
AM IF
GND
FM+B
FM DET
VCO
MO/ST
IC302
LC72131
PLL(TUNER)
OSC
FM/AM MO/ST
+B3
+B3
FM FRONTEND
DSP SECTION
CNP301
AM FM
VCC
AM TRACKING
AM BAND
COVERAGE
VT
X352
4.5 MHz
SWITCHING
FM
STEREO
CE0
DATA
CLK
DO
FM/AM
OUT
MPX IN FM/AM R L
X531
456 KHz
10.7 MHz
450 KHz
AM MIX
MAIN L/R
SURROUND L/R
CENTER/SUBWOOFER
TUNER L/R
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO/AUX IN