Read Sony BMZ-K2 / CX-BK2 Service Manual online
CX-BK2
53
53
7-27. SCHEMATIC DIAGRAM – LCD Section –
CN004
LED252
R251
R252
LED254
LED253
LED251
LED206
LED205
LED204
LED207
LED208
LED209
LED212
LED211
LED210
LED215
LED214
LED213
LED218
LED217
LED216
LED219
LED220
LED221
R258
R257
R256
R255
R254
R253
R361
R362
R363
C362
R364
C
36
1
C363
R365
C365
R366
C366
R370
R369
C
364
R371
R373
R372
C368
C369
R374
R375
C
367
C103
C104
R101
C102
C110
R105
C105
R110
C
10
7
C
108
C
109
R340
CN002
CN003
CN011
CN010
R380
R106
R107
R108
R109
CN001
C111
R341
R342
R343
R344
S341
S342
S343
CN008
CN009
R376
C371
R377
R378
C372
R379
C370
IC001
LCD001
S344
S303
S301
S302
R367
R368
S304
21P
LED,SELU1910CXM
LF38
180
180
LED,SELU1910CXM
LF38
LED,SELU1910CXM
LF38
LED,SELU1910CXM
LF38
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
SLR-325DCT31
P
270
270
270
270
270
270
10k
68k
15k
100p
180k
10
00
p
100p
10k
100p
10k
100p
10k
180k
1
000
p
10k
15k
68k
100p
100p
180k
10k
1000
p
0.1
0.1
47k
100
25V
25V
0.1
15k
680p
5.6k
100p
100p
100p
15k
2P
2P
3P
3P
10k
100
100
100
100
19P
0.22
390
680
1k
1.5k
2P
2P
10k
100p
68k
15k
100p
180k
1000p
LC75874E
68k
15k
L12
L13
L14
L12
L13
L14
L15
L16
L17
L18
L19
VOL
BAS
TRE
VOL
BAS
TRE
JOG
KEY3
JOG
KEY3
STBY
~~~~
~~~
STBY~~~~
~~~
C1
C2
C3
C4
C1
C2
C3
C4
C1
C2
C3
C4
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L1
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
L1
L2
L3
L4
L5
L6
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L19
L20
L21
L22
L23
L24
L25
L42
L43
L44
L45
L46
L47
L48
L49
L50
L51
L52
L53
L54
L55
L56
L57
L58
L59
L60
L61
L62
L63
L64
L65
L26
L27
L28
L29
L30
L31
L32
L33
L34
L35
L36
L37
L38
L39
L40
L41
L7
L18
L19
L18
L17
L16
L15
VDD
VLCD
VLCD1
VLCD2
DI
CL
CE
INH
OSC
VSS
COM1
COM2
COM3
COM4
S65
S66
S64
S63
S62
S61
S60
S59
S58
S57
S56
S55
S54
S53
S52
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
98/S8
P7/S7
P6/S6
P5/S5
P4/S4
P3/S3
P2/S2
P1/S1
GND
VM
VDD
GND
VM
VDD
DATA
CLK
LCK
I-RMC
KEY1
KEY2
DATA
CLK
LCK
I-RMC
KEY1
KEY2
KEY3
DI
CL
CE
INH
JOG
VOL
BACKLIGHIT1
VOL-LED1
VOL-LED2
TREBLE-LED1
TREBLE-LED2
BASS-LED1
BASS-LED2
BACKLIGHIT2
TREBLE
BASS
STBY
STBY
NC
GND
GND
LIQUID CRYSTAL DISPLAY
LED251-254
(LCD BACKLIGHT)
LCD DRIVER
ENTER
MODE
DISPLAY
TITLE
MULTI JOG
BASS
VOLUME
TRIBLE/
MIDDLE
LED204-221
(ILLUMINATION)
ROTARY ENCODER
ROTARY ENCODER
ROTARY ENCODER
ROTARY ENCODER
(Page 38)
(Page 51)
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