Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
75
75
7-38. SCHEMATIC DIAGRAM – SURAMP Board –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
R181
C181
R186
R182
R184
C182
C106
R185
C099
C098
C097
EP201
CN501
Q182
R105
C103
R107
R144
R130
R110
C116
R126
D104
R140
Q110
C120
C118
R142
D110
Q114
R146
R128
R134
R138
D106
Q118
Q120
R148
C122
R150
R152
Q126
Q128
R158
R154
C126
R162
R124
R132
R122
R117
R119
R121
R123
R127
R125
C115
R129
C113
D103
C119
C117
D109
R133
R137
R131
R139
R141
R145
R143
Q109
D107
D108
D105
C121
R147
C125
R157
R153
Q125
Q127
R151
R149
Q119
Q117
Q113
R159
R160
TH102
D101
D235
CN507
D239
R236
Q231
D231
D232
R237
R238
D241
R239
C230
Q233
R241
R246
R247
R252
D236
D240
Q232
R243
R244
R249
R250
Q235
R253
R366
D244
R258
R257
R259
R260
R263
R261
R460
R264
R262
D243
R458
R464
R462
R280
Q291
Q292
C281
R281
R283
R282
D281
R284
C282
Q282
R292
D292
R293
R294
R295
R496
R296
R297
R291
D111
R161
R367
D301
R322
Q382
R368
C397
C306
R310
R320
R318
C316
R326
Q308
Q306
C310
R324
R332
Q310
R328
R330
Q312
R344
R342
C322
R348
C320
C318
R338
R334
Q314
Q320
Q324
Q322
R350
R352
R354
R358
R362
D311
C326
R356
Q330
TH101
TH302
C241
EP202
R384
C382
D242
R242
Q234
R187
R108
C104
R106
C110
R114
R116
Q183
Q181
R109
R183
C109
R113
Q105
Q107
Q111
Q112
Q106
Q108
Q281
D443
D444
D291
R290
Q383
R365
R308
R314
C304
R306
D306
C231
R360
D308
R156
R155
Q129
Q130
CN505
D304
C232
R115
C105
R118
R120
Q101
Q318
R340
D310
C114
Q102
R346
Q302
R316
C314
2.2k
1
50V
1M
2.2k
3.9k
1
50V
0.33
50V
27k
0.1
0.1
0.1
11P
2SD1306
NE 07-TL
47k
1200p
27k
39
100
100
820p
1.5k
1SS355TE-17
47k
2SC2713G
100p
100p
1k
AU-01Z-WS
2SC2910ST
-TP
39
100
1.8k
2.2k
1SS181-TE85L
2SC3052EF
-T1-LEF
2SC3052EF
-T1-LEF
330
0.1
0.22
2W
0.22
2W
2SB1677
2SD2619
100
1k
0.01
6.8k
10k
4.7k
1k
2.2k
2.2k
1k
10k
100
1.5k
820p
100
33
50V
1SS355TE-17
100p
100p
AU-01Z-WS
1.8k
2.2k
4.7k
47k
1k
39
39
2SC2713G
1SS184-TE85L
1SS184-TE85L
1SS181-TE85L
0.1
330
0.01
100
1k
2SB1677
2SD2619
0.22
2W
0.22
2W
2SC3052EF
-T1-LEF
2SC3052EF
-T1-LEF
2SC2910ST
-TP
1k
1k
1SS181-TE85L
RK46LF-T2
9P
UDZSTE
-175.6B
2.2M
2SK3053
1SS355TE
-17
UDZSTE
-1710B
-1710B
1k
2.2k
1SS355TE
-17
2.2k
10
63V
2SA1235TP
-1F
3.3k
4.7k
4.7k
10k
RK46LF-T2
UDZSTE
-175.6B
2SK3053
1k
2.2k
4.7k
4.7k
2SA1235TP
-1F
10k
1M
1SS181
-TE85L
-TE85L
47k
47k
47k
47k
4.7k
4.7k
47k
4.7k
4.7k
1SS184
-TE85L
-TE85L
47k
4.7k
4.7k
10k
DTA114EKA
-T146
2SA1163
4700p
10k
10k
47k
1SS184-TE85L
10k
2200p
2SC2713G
10k
1SS184
-TE85L
-TE85L
220k
220k
33k
47k
47k
47k
2.2k
1SS184-TE85L
6.8k
2.2k
1SS355TE-17
1k
2SD1306NE
27k
0.1
0.33
50V
100
2.2k
2.2k
820p
1.5k
2SC3052F
-T1-LF
2SC3052F
-T1-LF
10
50V
10k
4.7k
2SC2713G
-TE85L
100
100
2SC2910ST
-TP
39
1k
0.1
330
100p
100p
2.2k
1.8k
2SC2910ST
-TP
2SC3052F
-T1-LF
2SD2619
2SB1677
0.22
2W
0.22
2W
1k
100
6.8k
1SS355TE
-17
0.01
1.5k
2SC1163G
0.1
3.9k
1
50V
0
10k
2SC3052F
0
27k
1200p
47k
22
50V
470
27k
2SA1235TP
-1F
2SD1306
NE 07-TL
100
3.9k
22
50V
470
2SC3052EF
-T1-LEF
2SC3052EF
-T1-LEF
2SC2910ST
-TP
2SC2910ST
-TP
2SC3052EF
-T1-LEF
2SC3052EF
-T1-LEF
2SA1163
1SS355TE-17
1SS355TE-17
1SS181
-TE85L
-TE85L
47k
2SA1235TP
-1F
0
27k
1.2k
1200p
47k
1SS181-TE85L
10
63V
1k
1SS184-TE85L
1.5k
1.5k
2SA1163
2SA1163
6P
1SS355TE-17
0.1
27k
0.33
50V
2.2k
2.2k
HN4A06J-GRBL
TE85R
2SC3052F
-T1-LF
47k
AU-01Z-WS
33
50V
HN4A06J-GRBL
TE85R
39
HN4A06J-GRBL
TE85L
27k
33
50V
CENTER-MUTE
SUR SP GND(L)
SUR SP GND(R)
CEN SP GND
SUR OUT(L)
SUR OUT(R)
CEN OUT
SUR-L-IN
AMP-L-GND
SUR-R-IN
AMP-R-GND
CENTER-IN
AMP-CENTER-GND
POWER-MONITOR
VCC
REAR-MUTE
NC
+SVH
+VL
-VL
-SVH
SAMP-A-GND
DC-DET
SURSP-GND
SURSP-GND
CENSP-GND
(CHASSIS)
(CHASSIS)
S
S
SWITCHING
Q232,235
SWITCHING
Q231,233
OUTPUT LEVEL
DETECT
MUTING
MUTING
CONTROL
SWITCH
MUTING
-1
-2
PRE DRIVE
-1
-2
PRE DRIVE
CURRENT MIRROR
Q105,107
CASCADE
Q109,111,113
BIAS
Q118,120
CASCADE
Q110,112,114
CURRENT MIRROR
Q106,108
OVER LOAD
PROTECT
THERMAL
DETECT
Q291,292
MUTING
MUTING
CONTROL
SWITCH
-1
-2
PRE DRIVE
CURRENT MIRROR
Q306,308
CASCADE
Q310,312,314
BIAS
Q318,320
DRIVER
FINAL
Q322,324
PROTECT
POWER
OVER LOAD
DETECT
OVER LOAD
DETECT
DRIVER
FINAL
Q125,127
BIAS
Q117,119
OVER LOAD
DETECT
DRIVER
FINAL
Q126,128
(CHASSIS)
(EA)
(EXCEPT EA)
(Page 66)
(Page 83)
(Page 85)
(Page 77)
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