60
D
C
B
A
D
C
B
A
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
QSC AUDIO PRODUCTS.
WITHOUT EXPRESS WRITTEN CONSENT FROM
BE DISCLOSED, REPRODUCED OR USED
OF QSC AUDIO PRODUCTS, THAT MAY NOT
INFORMATION WHICH IS THE PROPERTY
THIS DOCUMENT CONTAINS PROPRIETARY
SIZE FSCM NO.
DWG NO.
SCALE
CAD FILE NO.
SHEET
REV
D
DWG
NO.
REV
SH
16
J6:16
LD1
1
GRN
N349
N350
14
J6:14
D90
4148
^D_SOT-23
R252
1.00K
^R_1206
R232
1.00K
^R_1206
V-STBY
N334
N348
16
J5:16
14
J5:14
R370
634
^R_1206
N339
DC MUTING
47-10NP-10%
C71
D49
4148
^D_SOT-23
D50
4148
^D_SOT-23
^Q_BJTP_SOT-23
Q87
3906
R241
12.7K
^R_0805
N333
N338
-DC THRESH, -4V
R242
20.0K
^R_0805
R240
2.21K
^R_0805
N331
DC_SENSE
D48
4148
^D_SOT-23
P
N332
C79
100-25V
C78
100-25V
-MID-RAIL
C72
100-25V
N337
R244
20.0K
^R_0805
R243
39.2K
^R_0805
R251
3.9K-2W
3 +
2 -
1
^LM393-SMT
U10:1
D51
4148
^D_SOT-23
15V-SW
N340
C75
^C_1206
.001-5%
C80
10-35V
R245
12.7K
^R_0805
8
4
D55
4148
^D_SOT-23
N343
3906
Q88
^Q_BJTP_SOT-23
N341
R262
15.0K
^R_0805
N344
5 +
6 -
7
U10:2
^LM393-SMT
R263
392K
^R_0805
C86
10-35V
NTCBUS
C81
.001--5%
^C_1206
P1
N474
-15NTC
N342
R261
39.2K
^R_0805
R259
12.7K
^R_0805
R258
9.09K
^R_0805
P
1N4744A
D53
D54
1N4744A
P
R260
392K
^R_0805
MUTE+
PS-OL
POS RAIL
N345
N346
R273
1.50K
^R_0805
D56
6.2V-.3W
^D_ZEN_SOT-23
R270
1.50K
^R_0805
MUTE_HI
N354
P
Q89
3904
^Q_BJTN_SOT-23
R253
4.75K
^R_0805
N347
R229
20.0K
^R_0805
N351
R264
2.21K
^R_0805
R265
2.21K
^R_0805
C85
.001-5%
^C_1206
R271
20.0K
^R_0805
N353
R267
2.21K
^R_0805
N352
+15V
1
J13:1
R272
9.09K
^R_0805
R266
9.09K
^R_0805
^Q_BJTN_SOT-23
3904
Q90
-15V
C89
47-50V
2
J13:2
N355
N336
R250
1.00K
^R_1206
DC-OFF
N335
R249
39.2
^R_1206
R247
39.2
^R_1206
-15V
P
C77
470-16V
C74
470-16V
BR-ON
-13VCL
R248
39.2
^R_1206
R246
39.2
^R_1206
+15V
C76
470-16V
C73
470-16V
+13VCL
+MID-RAIL
+HI-RAIL
+14VIC
+11V
N283
N286
N287
N282
R256
470-2W
+15NTC
POSREF
P1
N468
JUMPER
D87
C191
.1-50V
^C_1206
A1
+MID-RAIL
DP - STBY
N285
-14VIC
-11V
N284
-MID-RAIL
N288
NEGREF
P1
N469
JUMPER
D88
R276
470-2W
R277
470-2W
R278
470-2W
-HI-RAIL
V-NEGSTEP
N322
L-Z_A1
OUTER COIL, 6T
CH A V-MON, I-MON
N323
N324
D
TH-SUBC-A
I-MON CH A
(WITH SEPARATE CH A
THERMAL SUBCODE)
N327
-11V
N326
N69
N328
N325
D
N329
N330
+11V
SPKR-A
DP-PAR-F
DP-BR-F
D
N289
N290
N291
N292
P1
N297
N298
N299
N300
N293
N294
-IN_DPA
-IN_CH-A
+IN_CH-A
A1
N366
N365
N364
D
N362
D
L-Z_B1
CH B V-MON, I-MON
N360
N361
SPKR-B
P1
+11V
V-MON CH B
(PWR-SUPPLY- ON
SUBCODE: .8-1.3V)
SCALE 13V TO 1V NOM
+13VCL
D
N357
N356
N359
N358
D
D
N363
+15V
TH-SUBC-B
-11V
N367
N149
N313
N317
N307
N306
-IN_DPB
N316
N315
CLIP_B
N460
+IN_DPA
+IN_DPB
N305
N304
N302
N301
N303
N296
N295
CLIP_A
N308
N310
N311
N314
N318
N319
N312
N320
N321
-IN_CH-B
+IN_CH-B
A1
POWER LED
ON DISPLAY PCB
SH 5
SH 2, 3
+DC THRESH 4V
SEE SH 5
FAN SPEED THRESHOLD
THERM HYST
ON-OFF DELAY,
THERMAL THRESHOLD
R268
100K
^R_1206
FROM PWR SUPPLY OPTOCOUPLER, SH 5
TO SHEETS 2 AND 3
FULL MUTE, 5.7V
FULL CUTBACK, 2.8V, 1MA
FAN SPEED CONTROL
Q91
TIP 32C
+FAN
-FAN
TO SHUTDOWN OPTOCOUPLER, SH 5 (6V)
SH 3
TO OPTOCOUPLER LED
1.6V OF HYSTERESIS
OPAMP POWER SUPPLIES
TO PWR SUPPLY C-T
PLC-2 USES MID RAILS ONLY
R257
470-2W
R224
0.7
JUMPER
D
D
SEE SH 2
ROUTE TO SPKR OUTPUT
SH 2
SH 3
V-MON CH A
(NEW BMF SUBCODE,
0-2V, 0.5V BITS)
INJECT V-DC
POST OPAMP,
NO GAIN SCALING
EURO-PLUG:
RAVE SIGNAL
FORMAT
+A
DATAPORT
HD-15 JACK
-IN, A
STBY
-A
GND
FOR 1/8 WATT:
110 MA, 1.1V MAX
OUTER COIL, 6T
ROUTE TO SPKR OUTPUT
I-MON CH B
(WITH SEP. CH B
THERMAL SUBCODE)
SEE SH 3
SEE SH 2
VMON-A
IMON-A
CLIP-A
CHAS GND
+IN, A
+IN, B
+15V ??
D-REF
CLIP-B
IMON-B
VMON-B
IDR
-IN, B
EURO-PLUG:
RAVE SIGNAL
FORMAT
GND
+B
-B
SET ID- R
CH GND
NONE
SH-001203-00
4 OF 5
SH-001203-00
4
B
B
plx1202a.sch
Содержание PLX Series
Страница 1: ...Technical Service Manual PLX Series PLX 1202 PLX 1602 PLX 2402 PLX 3002 TD 000078 00 TD 000078 00 ...
Страница 2: ... PLX 1202 PLX 1602 PLX 2402 PLX 3002 ...
Страница 58: ...H z _ _ _ _ Fi G g u ...
Страница 59: ...Q 55 ...
Страница 60: ...PLX MAIN MOOULE ASSEMBLY smm 6 20 Y 5 r I_ 1 w ...
Страница 81: ... ...
Страница 82: ......