Read Sony BMZ-K33 / CX-BK33 Service Manual online
CX-BK33
57
57
7-28. SCHEMATIC DIAGRAM – LCD Board –
•
See page 66 for Waveform.
Q101
Q102
IC001
CN001
C105
R106
R107
R108
R109
R105
C107
R110
C108
C109
R101
C111
C365
R366
R367
R368
R363
R362
C362
R361
C363
R365
R364
R369
C366
R370
C382
R383
R382
R381
C383
R384
R385
R349
R348
R347
R350
R351
R352
C603
C602
C601
R611
C609
R603
R602
R601
R332
R333
R334
R335
R336
R337
S332
S333
S334
S335
S336
S331
R250
R249
C368
R372
R371
R374
C367
C361
C369
R375
R373
C381
C364
IC601
S337
LED203
R311
LED
255
LED256
LED257
LED
258
LED
259
CN006
CN002
CN004
CN010
S302
S300
S301
S303
LCD1
C102
C110
JW146
JW145
FB112
FB111
FB110
FB109
FB108
FB107
FB106
FB105
FB103
FB102
FB101
FB104
LED263
JR205
LED261
R251
LED266
JR202
LED264
R252
CN606
DTA114EKA-T146
DTA114EKA-T146
LC75874E
19P
680p
100
100
100
100
15k
100p
5.6k
100p
100p
47k
0.22
100p
10k
68k
15k
15k
68k
100p
10k
100p
10k
180k
180k
100p
10k
100p
15k
68k
10k
100p
180k
10k
560
560
560
560
560
560
100p
100p
100p
100
0.47
10k
10k
10k
470
680
1k
1.5k
1.5k
2.2k
68
68
100p
68k
10k
180k
1000p
1000p
100p
10k
15k
1000p
1000p
BU2092F
SELU5923C
-STP15
15k
SLR
-325DCT31
SLR-325DCT31
S
LR-325DCT31
SLR
-325D
CT31
SLR
-325DC
T31
2P
2P
5P
3P
100
16V
16V
0.1
0
0
0
0
0
0
0
0
0
0
0
0
SELU1910CXM
-SLF38
0
SELU1910CXM
-SLF38
180
SELU1910CXM
-SLF38
0
SELU1910CXM
-SLF38
180
4P
VOL
BAS
TRE
TRE
BAS
VOL
C4
C3
C2
C1
KEY1
JOG
JOG
I-RMC
KEY2
KEY1
LCK
CLK
DATA
LCK
CLK
DATA
STBY~~~~~~~
KEY2
BL1
BL2
STBY
~~~~
~~~
I-RMC
MID
MID
BL1
BL2
C1
C2
C3
C2
C1
C1
C2
C3
C4
C4
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L22
L23
L24
L25
L26
L27
L28
L29
L30
L31
L32
L33
L34
L35
L36
L37
L38
L39
L40
L41
L42
L43
L44
L45
L46
L47
L48
L49
L50
L51
L52
L53
L54
L55
L56
L57
L58
L59
L60
L61
L62
L63
L64
L65
L66
L50
L33
L32
L31
L30
L29
L28
L27
L26
L25
L24
L23
L22
L21
L20
L19
L18
L17
L16
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L34
L35
L36
L37
L38
L39
L40
L41
L42
L43
L44
L45
L46
L47
L48
L49
L51
L52
L53
L54
L55
L56
L57
L58
L59
L60
L61
L62
L63
L64
L65
L66
VDD
VLCD
VLCD1
VLCD2
DI
CL
CE
INH
OSC
VSS
COM1
COM2
COM3
COM4
S65
S66
S64
S
63
S
62
S
61
S
60
S59
S58
S
57
S56
S
55
S54
S53
S52
S51
S50
S49
S
48
S47
S46
S45
S44
S43
S
42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S
24
S
23
S
22
S
21
S
20
S
19
S
18
S
17
S
16
S
15
S
14
S
13
S
12
S
11
S
10
S
9
9
8/S
8
P
7/S
7
P
6/S
6
P
5/S
5
P
4/S
4
P
3/S
3
P
2/S
2
P
1/S
1
GND
GND
VDD
I-RMC
DATA
CLK
LCK
I-RMC
KEY1
KEY2
DI
CL
CE
INH
JOG
VOL
TREBLE
BASS
STBY
MIDDLE
KEY2(IN)
KEY2(OUT)
+12V
VDD +3.3V
LIQUID CRYSTAL DISPLAY
GND
VDD
JOG
GND
KEY2
GND
VDD
STBY
KEY1
USB LED
VDD
2
5
4
1
3
i-BASS
DISC SELECT
i-BASS
LED203
VSS
DATA
CLK
LCK
Q0
Q1
Q2
Q3
Q4
VDD
OE
Q5
Q6
Q7
Q8
Q9
Q10
Q11
(DISC IN
D
IC
A
TOR
5)
(D
ISC IN
D
ICA
TO
R
1)
(D
ISC
IN
D
ICA
T
O
R
2)
(D
IS
C IN
D
ICA
TO
R
3)
(D
ISC IN
D
IC
ATOR
4
)
LED DRIVE
BASS
A
B
C
A
B
C
A
B
C
VOLUME
A
B
C
TREBLE
LCD DRIVER
LED DRIVE
LED DRIVE
(LCD BACK LIGHT)
LED261,263,264,266
MIDDLE
51
(Page 42)
(Page 59)
(Page 59)
(Page 59)
(Page 59)
(Page 59)
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