Sylvania Emerson 6719DC Service Manual page 38

DVD System Control Block Diagram
TFWD
TREV
TIN
TOUT
SCK
STDIO
FROM/TO
SEN
RF SIGNAL
PROCESS
MUTE
/SERVO
PS
BLOCK
DIAGRAM
CD/DVD
CFE
CAS
STANDBY
ADDRESS BUS
FROM/TO
DVD SIGNAL
DATA BUS
PROCESS
NINT1
BLOCK
NINT2
DIAGRAM
WAIT
/RE
/WEL
CS1
RESET
CN401
FG
10 FG-IN
SENSOR
RELAY
FG CBA
CBA
1-10-15
BLOCK DIAGRAMS<DVD Section>
IC301
(FRONT END PROCESSOR)
42 TFWD
41 TREV
59 TIN
60 TOUT +3.3V
IC605
70 SCK
72 STDIO
5 RESET 4
10 SEN
46 MUTE
HANG 48
47 PS
Q701
71 CD/DVD
62 CFE
READY 49
63 CAS
/FERS 82
64 STANDBY
IC606
(INVERTER)
OSCI 23
OSCO 24 2
X301
(16.9344MHz)
13 X601 27MHz
BUSCLR 53
16
SDA 52
26
CPUADR0
SDA 51
33
CPUADR17 SCL 50
35
SCL 79
40
84 CPUDT0
KEY OUT 44
91
CPUDT7
76 NINT1
KEY IN 45
77 NINT2
1 WAIT
2 /RE
3 /WEL
6 CS1
11 RESET
IC102 (OP AMP)
FG-IN
80 14 12
IC601
(DVD HOST PROCESSOR)
200 TFWD
201 TREV
187 TIN
188 TOUT
124 RESET
208 READY
186 /FERS
4 120 CLOCK
22 BUSCLR
VFD-STB 3
VFD-DIN 1
20 SDA
VFD-CLK 204
21 SCL
REMOTE 125
+3.3V PWRCON 207
127 IRQ2
DVD MAIN CBA UNIT
CN501 CN403
6
21 CS
22 SDATA 5
24 SCLK 3
1 REMOTE 5
26 REMOTE
7 PWRCON 7 PWRCON 6
FILTER CBA
1-10-16
CN401
CS 4
FROM/TO
SDATA 2
SERVO/SYSTEM
CONTROL BLOCK
SCLK 3
DIAGRAM CN2401
TO POWER SUPPLY
BLOCK DIAGRAM
CN2401
TD500BLDS