STR-DE897
19
19
4-6. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
SW NETWORK
S120-126
RV103
MASTER
VOLUME
+3.3V
(STBY)
EEPROM
IC1131
BUFFER
Q1102
X1101
16MHz
X101
8MHz
V SW4
V SW3
V SW2
V SW1
CTRL A1
SW NETWORK
S100-106
SW NETWORK
S110-116
1
3
RV104
INPUT
SELECTOR
1
3
RV102
-/+
1
3
REMOTE
CONTROL
RECEIVER
IC103
SIRCS
CNP503
S141
FLASH1
FLASH2
MD2
MD0
RESET
1
2
7
6
5
FLASH
PROGRAMMING
I
/ I
D101,103-106,
108-116
FL101
VACUUM
FLUORESCENT
DISPLAY
LED DRIVE
Q101,103-106,
108-116
14
14
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299