Schematic Diagram - Suramp Board - Aiwa CX-BK7 Service Manual

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