
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
MX26LV800T/B
FLASH
ARRAY
X-DECODER
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y-DECODER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
PGM
DATA
HV
PROGRAM
DATA LATCH
SENSE
AMPLIFIER
Q0-Q15/A-1
A0-A18
CE#
OE#
WE#
RESET#
IC INTERNAL BLOCK DIAGRAM - FLASH MEMORY
MX26LV800BTC
0/30dB
2dB STEP
MUXOUTL
INL
VOLUME
VOLUME
TREBLE
TREBLE
TREBLE(L)
MUXOUTR
INR
TREBLE(R)
BOUT(L)
SPKR ATT
LEFT
LOUT
SCL
SDA
DIG_GND
ROUT
D98AU883
I
2
CBUS D LATCHES
100K
100K
100K
100K
G
L-IN1
L-IN2
L-IN3
L-IN4
100K
100K
100K
100K
R-IN1
R-IN2
R-IN3
R-IN4
G
INPUT MULTIPLEXER
+ GAIN
BASS
BIN(L)
BASS
SPKR ATT
RIGHT
BOUT(R)
BIN(R)
SUPPLY
CREF
AGND
V
S
27
4
5
6
7
3
2
1
28
21
22
20
26
24
25
10
11
19
12
13
23
8
9
18
14
15
R
B
R
B
V
REF
BLOCK DIAGRAM
IC INTERNAL BLOCK DIAGRAM - AUDIO PROCESSOR
TDA7440D
7-2
7-2
Summary of Contents for FWD39
Page 7: ...1 7 ...
Page 17: ...2 2 REPAIR INSTRUCTIONS 2 2 ...
Page 18: ...2 3 REPAIR INSTRUCTIONS 2 3 ...
Page 22: ...4 1 BLOCK DIAGRAM 4 1 ...
Page 23: ...4 2 WIRING DIAGRAM 4 2 ...
Page 37: ...SYSTEM BLOCK DIAGRAM 7 4 7 4 ...
Page 38: ...CIRCUIT DIAGRAM MAIN BOARD 7 5 7 5 A B C D E A B C D E 1 2 3 4 5 6 1 2 3 4 5 6 ...
Page 40: ...7 7 7 7 CIRCUIT DIAGRAM MAIN BOARD SERVO PART A B C D E A B C D E 1 2 3 4 5 6 7 1 2 3 4 5 6 7 ...
Page 42: ...PCB LAYOUT MAIN BOARD TOP VIEW 7 9 7 9 A 1 2 3 4 5 6 7 B C D E F A B C D E F 1 2 3 4 5 6 7 ...