Toshiba MM20E45 - Page 12

2-2
3. SYSTEM BLOCK DIAGRAM
VIDEO SIGNAL
PROCESS CIRCUIT
A/V DSP UNIT
KEY SWITCH
RGB MODE
DISCRIMINATION
RELAY DRIVE
SYNC SEPA.
REMOTE
CONTROLLER LIGHT
ERCEPTION UNIT
PICTURE
CONTROL
AUDIO
CONTROL
TUNER/IF
DAC1
DAC2
5
6
7
STB
CLK
DATA
9
AFT
37
38
SCL
SDA
Y
B
G
R
25
24
23
22
MEMORY
µPD6272CX
QA02
DPG
MTS
H. PULSE
V. PULSE
6.13 MHz
TRF1147T
8MHz CLOCK
TCR1056
26
27
28
29
31
32
33
34
42
21
HD
VD
OSC1
OSC0
X1
X0
RST
HOLD
VDD
VSS
RESET
CIRCUIT,
5V
GND
35
36
RMT
SYNC
1
RELAY
15 MODE
13
14
KEY A
KEY B
10
EXIT A
QA01
TMP87CM34N-3101