Sony BMZ-K2 / CX-BK2 Service Manual ▷ View 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)
CX-BK2
54
54
7-28. PRINTED WIRING BOARD – ACDC Board –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D002
E-3
D004
B-2
D005
D-7
D006
D-7
D007
H-3
D008
H-3
D009
I-3
D010
H-3
D023
D-8
D111
E-6
D112
C-5
D113
C-5
D114
J-5
D115
J-5
D116
J-3
D117
J-2
D118
B-6
D139
C-6
D140
C-6
Q101
E-7
Q102
F-6
Q103
F-6
Q104
F-6
Q105
B-6
Q106
B-6
Q107
B-6
Q108
B-6
Q109
B-6
JW022
JW
023
JW024
JW025
JW026
JW027
JW028
JW
029
JW
030
JW032
JW033
JW034
JW036
JW037
JW038
JW039
JW041
JW042
JW043
JW045
JW046
JW048
JW049
JW050
JW051
JW052
JW054
JW056
JW057
JW058
JW
061
JW065
JW
068
JW
069
JW070
JW071
JW072
JW074
JW
076
JW055
JW053
JW079
JW044
JW080
JW081
JW011
W017
W014
C004
C016
C012
C010
C011
RY001
CN003
C007
JW006
JW003
PR005
R001
C008
C015
C002
C001
PR001
JW
005
C121
CN006
D002
D004
CN011
C029
C124
C123
C122
EP001
C003
JW064
D009
D010
D008
D007
JW060
JW047
CN012
JW001
JW090
JW091
JW031
JW082
JW084
JW085
CN004
JW035
JW
086
FH001
FH002
F001
JW087
JW
073
JW
075
JW077
R157
R156
R148
D023
Q101
C120
R101
R102
R132
R135
R134
R107
R137
R133
R136
D114
D115
D117
D116
R130
R131
Q103
Q104
R115
Q102
R103
R104
R105
R147
Q106
Q105
D005
D006
R106
R108
R109
R110
R111
R128
D112
D113
D140
R114
R112
R113
R138
R140
R119
R120
R122
Q109
R123
Q108
Q107
R121
R118
R116
R117
D118
R139
D111
D139
PT006
POWER TRANSFORMER
(SUB)
ACDC BOARD
1-688-418-
11
(11)
RED
GRN
RED
GRN
PT BOARD
CN010
V
1
2
(AC IN)
1
4
9
5
K
E
E
E
E
A
A
A
K
A A
K
K
K
A A
A
K
K
A
K
K
MAIN BOARD
CN007
J
1
4
4
1
AMP BOARD
CN003
N
A
A
A
K
K
K
A
A
K
K
A
K
1
7
PT BOARD
CN015
S
E
E
E
E
E
13
1
AMP BOARD
CN004
M
(CHASSIS)
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
(US)
(Page 46)
(Page
56)
(Page 56)
(Page 37)
(Page 46)
CX-BK2
55
55
7-29. SCHEMATIC DIAGRAM – ACDC Board –
EP001
R147
R108
R113
R118
R119
R120
R128
Q109
Q108
Q107
R121
R123
C122
R110
R111
R112
R114
C003
R139
R137
R134
R109
R107
R106
D140
D139
D118
R117
C123
R122
Q106
Q105
R116
R148
R156
R115
Q103
Q104
R103
R105
C121
R102
C120
R101
D114
D115
CN006
CN011
D023
D006
D005
C029
CN004
CN003
R131
R130
Q101
Q102
D116
D112
D113
D007
D008
D010
D009
C001
C010
C002
PR001
C012
C011
C004
JW001
JW090
JW082
JW091
CN012
W014
W017
R001
RY001
PT006
JW006
JW005
R140
R138
R104
D111
C008
C007
R136
D117
C124
R133
D002
D004
C015
C016
R157
R132
R135
JW003
PR005
F001
39k
56k
2.2k
100
15k
10k
1k
2SC3052F-T
1-LF
2SC3052F-T
1-LF
2SC3052F-T
1-LF
15k
33k
4.7
50V
1k
1k
6.8k
6.8k
0.1
100V
100k
82k
82k
56k
56k
56k
1SS181-TE8
5L
1SS184-TE8
5L
1SS355TE-1
7
1k
0.22
50V
33k
2SC3052F-T
1-LF
2SA1235TP-1F
1k
39k
5.6k
12k
2SC3052F-T
1-LF
2SA1235TP-1F
100
10k
10
50V
10k
4700p
4.7k
1SS184-TE8
5L
1SS181-TE8
5L
4P
3P
1SS355TE-1
7
1SS181-TE85L
1SS184-TE85L
470
25V
25V
4P
13P
18k
18k
2SC3052F-T
1-LF
2SC3052F-T
1-LF
1SS184-TE8
5L
1SS181-TE8
5L
1SS184-TE8
5L
EGP20DL
6349
EGP20DL
6349
EGP20DL
6349
EGP20DL
6349
0.1
100V
2200
25V
0.1
100V
4700
35V
4700
35V
0.1
100V
7P
2.2M
1/2W
1/2W
10k
10k
4.7k
1SS355TE-17
0.1
100V
0.1
100V
10k
1SS181-TE8
5L
47
25V
10k
D5SBA20
D10XB20
3300
80V
3300
80V
2.7k
39k
39k
T5AL
125V
125V
TUNER/AUX GND
+VH
-VH
+VL
-VL
FAMP-A-GND
REG
VM+9V
POWER MINITOR
O-POWER
C-LIMITER
RELAY GND
C-LIMITER
DC-DET
REG-GND(+7V)
REG-GND(+12V)
REG-GND(+4V)
SP-GND
SP-GND
VSTBY(+9V)
M-GND
VH(AC)
VH(AC)
GND
VL(AC)
VL(AC)
REG(AC)
REG(AC)
(CHASSIS)
Q107-109
VOLTAGE DETECT
AC DETETC
AC DETETC
Q102-104
OVER CURRENT
DETECT
DRIVE
RELAY
GRN
RED
(AC IN)
POWER TRANSFORMER
(SUB)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 45)
(Page 57)
(Page 57)
(Page 45)
(Page 41)
CX-BK2
56
56
JW009
JW010
CN010
JW014
CN015
JW012
JW013
C009
PT BOARD
1-688-421-
11
(11)
1
2
RED
GRN
ACDC BOARD
V
ACDC
BOARD
CN012
S
1
19
8
7
∗
PT001
POWER TRANSFOEMER
(MAIN)
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
7-30. PRINTED WIRING BOARD – PT Board –
•
See page 31 for Circuit Boards Location.
:Uses unleaded solder.
(Page 54)
(Page 54)
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