Schematic Diagram - Lcd Board - Aiwa CX-BK33 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-28. SCHEMATIC DIAGRAM – LCD Board –
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN001
19P
TRE
TREBLE
BAS
BASS
VOL
VOL
FB112 0 JOG
JOG
FB111 0 MID
MIDDLE
FB110 0 KEY2
KEY2
FB109 0 KEY1
KEY1
FB108 0
INH
FB107 0
CE
FB106 0
CL
FB105 0
DI
I-RMC
I-RMC
FB104 0 LCK
(Page 42)
LCK
FB103 0 CLK
CLK
FB102 0 DATA
DATA
FB101 0 ~~~~ STBY ~~~
STBY
VDD +3.3V
JW146
GND
+12V
JW145
C111
0.22
w w w
.
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• See page 66 for Waveform.
JR202
LED266 0 LED264
Q101 SELU1910CXM SELU1910CXM
DTA114EKA-T146 -SLF38 -SLF38
LED DRIVE
LED261,263,264,266
(LCD BACK LIGHT)
LCD1
LIQUID CRYSTAL DISPLAY
L65
S65
L66
S66
C1
COM1
C2
COM2
C3
COM3
C4
COM4
VDD
C110
VLCD
0.1
VLCD1
C102
51
100
VLCD2
16V
VSS
R101 47k
C105
OSC
680p
R106 100
INH
R107 100
CE
R108 100
CL
R109 100
DI
VOL
R361 R362 C362 R363
10k 68k 100p 15k
A
S301
C
VOLUME
B
C361 R364 C363 R365
1000p 180k 100p 10k
TRE
x a o u 1 6 3
R371 R372 C368 R373
y
10k 68k 100p 15k
A
S303
C
i
TREBLE
B
C367 R374 C369 R375
1000p 180k 100p 10k
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8
R252
180
JR205 R251
LED263 0 LED261 180
Q102 SELU1910CXM SELU1910CXM
DTA114EKA-T146 -SLF38 -SLF38
LED DRIVE
Q Q
3 7 6 3 1
L40
S40
L39
S39
L38
S38
L37
S37
L36
S36
L35
S35
L34
S34
L33
S33
LCD DRIVER L32
S32
IC001
L31
LC75874E
S31
L30
S30
L29
S29
L28
S28
L27
S27
L26
S26
L25
S25
BAS S302
BASS
R366 R367 C365 R368
10k 68k 100p 15k
A
C
B
C364 R369 C366 R370
1000p 180k 100p 10k
MID S300
MIDDLE
c o
R381 R382 C382 R383
10k 68k 100p 15k
A
C
.
B
C381 R384 C383 R385
1000p 180k 100p 10k
57 57
2 4
9 9 8
R332 R333 R334 R335 R336
470 680 1k 1.5k 1.5k
S331 S332 S333 S334 S335 S336
5 4 3 2 1
DISC SELECT
R347 R348 R349 R350
560 560 560 560
5 1 5 0 8 9 2 4 9
LED DRIVE
IC601
BU2092F
Q4 Q5
Q3 Q6
Q2 Q7
R250
Q1 Q8
R249
Q0 Q9
C603 100p
LCK Q10
C602 100p
CLK Q11
C601 100p
DATA OE
VSS VDD
C609
0.47
KEY1
m
CX-BK33
2
9 9
R337
2.2k
S337
i-BASS
LED203
i-BASS
R351 R352
560 560
8 2 9 9
CN006
2P
VDD
USB LED
68
BL2
(Page 59)
68
BL1
R611
100 CN606
4P
GND
KEY1
VDD
STBY
(Page 59)
CN002
2P
KEY2
GND
(Page 59)
CN004
5P
KEY2(IN)
KEY2(OUT)
I-RMC
GND
VDD
(Page 59)
CN010
3P
JOG
VDD
GND
(Page 59)