Alto X23 User manual

ServiceManual
www.altoproaudio.com
Version: 1.1
Model: X23 (2-WAY STEREO 3-WAY MONO)
ACTIVE CROSSOVER

CONTENTS
1. Specification
2. Block Diagram
3. Schematic Diagram
4. Printed Circuit Board
5. Wiring Diagram
6. Test Procedure
7. Electrical Parts List
8. Exploded Views & Mechanical Parts List
9. Notes

LOW-MID Frequency Range
MID-HIGH Frequency Range
HUM & Noise
LOW Section (Output@0dB)
HIGH Section(Output @0dB)
S/N Ratio
Input Level
Output Level
CD Boost
Mute
Phase
Controls
Range 1 80Hz - 1KHz
Range 10 800Hz - 10KHz
AV=0dB, fc=800Hz
-106dBu
-97dBu
118dB
continuously variable
low, high continuously variable
rear panel switch
low, high front panel switches
rear panel switch
Physical
Dimensions
Weight
483(W) 194.5(D) 44(H)mm (19" 7.7" 1.7")
3.1Kg(6.84lb)
Electrical
Power Supply
Connector type
Type
Mains supply
Power Rating
3-pole IEC , grounded
Servo controlled , stabilized
8.5W
95-120V /210-240V ,60-50Hz
1. SPECIFICATION (X23)

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Date: 29-Oct-2002 Sheet of File: D:\pc42\pc42\ALTO\ \X23\X23.ddb服務手冊 Drawn By:
100mA
FUSE
5 6
AC POWER SW
AC INPUT 210V-240V
AC PLUG
50Hz
102℃
PT-SCX-34
230V
0V
115V
20V
0V
20V
BRIDGE
AND FILTER CIRCUIT
+15V
0v
-15v
2 1 3
A -CHANNEL SIGNAL CN-BAL-FEMALE-2
3 21
A TL074
VR
gain
FREQ. CONTOLL
80Hz - +920KHz
3
21
A TL074
high out
VR
gain
pass filter over freq.
100Hz +1KHz
Low -MID 3
21
A TL074
VR
gain
LOW OUT
or low out
OR MID OUT
2 1 3
B-CHANNEL SIGNAL
CN-BAL-FEMALE-2
3 21
A TL074
VR
gain
FREQ. CONTOLL
80Hz - +920KHz
3
21
A TL074
high out
VR
gain
pass filter over freq.
100Hz +1KHz
Low -MID 3
21
A TL074
VR
gain
LOW OUT
or low out
OR MID OUT
2.Block Diagram

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X23.Sch
Titel
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File:
Date:
Drawn By:
Sheet
RevisionModel No:
27-Jan-2002
TASY J.S.
ALTO Mobile : X23 MAIN BOARD
11of
X23 V1.0
A4
C101
104P/250VAC
+15V
-15V
R103
2R2 1/2W
R102
2R2 1/2W
1
2
3
J101
3P2.5
AGND
SW205
SW-PBA/6PC
3
2
1
IC201A
MC33079
5
6
7
IC201B
MC33079
D201
4148
D202
4148
D203
4148
D204
4148
C204
220P
-15V
+15V
2
1
3
X8
CN-BAL(FEMALE)
10
9
8
IC201C
MC33079
12
13
14
IC201D
MC33079
3
2
1
IC202A
MC33079
5
6
7
IC202B
MC33079
VR201
10KB
C242
100/25V
R204
10K0
R201
10K0
R202
10K0
R203
10K0 R251
10K0
R205
10K0
R250
10K0
R252
10K0
SW201
SW-PBA/6PC
CD BOOST
C298
822(M)
R283
825R
C202
220P
R244
10K0
R241
15K0
R240
10K0
VR204D
B50K R261
10K0
R262
10K0
C264
182(M)
VR204C
B50K R259
10K0
R260
10K0
C261
182(M)
R243
3K57
VR204B
B50K R257
10K0
R258
10K0 C260
182(M)
VR204A
B50K
R255
10K0
R256
10K0 C257
182(M)
10
9
8
IC202C
MC33079
R245 3K57
12
13
14
IC202D
MC33079
R239
3K92
C210
153(M)
R278 6M8
9 8
6
IC205A
4066
C209
153(M)
R277 6M8
11 10
12
IC205B
4066
C211
153(M)
R274 6M8
4 3
5
IC205C
4066
C212
153(M)
R273 6M8
12
13
IC205D
4066
R276
10K0
R275
100K
SW204
SW-PBA/2P
D205 6V8 1/2W
D206 6V8 1/2W
R281
560R
R282 560R
147
IC205E
4066
+15V
-15V
RANGE
X1X10
S-HL2
S-HG2
411
IC202E
MC33079
411
IC201E
MC33079
C203
104P
C206
104P
411
IC203E
MC33079
411
IC204E
MC33079
C243
100/25V
C244
100/25V
C238
470/25V
C237
470/25V
C208
104P(C)
C207
104P(C)
XOVER FREQ 80Hz + 920Hz
STEREO/MONO
2
1
3
22
11
33
X7
R288
10K
C267
47/25V
C266
47/25V
R242 2K49
SW203
SW-PBA/2P
VR203
10KB
R230
4K99
R231
27K4
3
2
1
IC203A
MC33079
5
6
7
IC203B
MC33079
R228
100K
R227
7K50
R226 10K0
R272
2K67
R229
10K0
R279
1K50
D207
LED
HIGH CLIP
-15V
LED-HG2
+15V
10
9
8
IC203C
MC33079
R295
10K0
R263
10K0
R264
10K0
R210
150R
C228
220P
C227
182(M)
C230
100/25V
R211
100K
12
13
14
IC203D
MC33079
R296
10K0
R266
10K0
R265
10K0
R213
150R
C235
220P
C234
182(M)
C232
100/25V
R212
100K
2
1
3X11
HIGH
HIGH PHASE
1 3
4 5 6
2
SW206
SW-PBA/2P
2
1
3
22
11
33 X12
S-HG2
SW202
SW-PBA/2P
VR202
10KB
R225
4K99
R224
27K4
3
2
1
IC204A
MC33079
5
6
7
IC204B
MC33079
R222
100K
R220
7K50
R221 10K0
R271
2K67
R223
10K0
R268
1K50
D2061
LED
HIGH CLIP
-15V
LED-HL2
+15V
10
9
8
IC204C
MC33079
R254
10K0
R290
10K0
R291
10K0
R206
150R
C218
220P
C217
182(M)
C220
100/25V
R207
100K
12
13
14
IC204D
MC33079
R289
10K0
R293
10K0
R292
10K0
R209
150R
C225
220P
C224
182(M)
C222
100/25V
R208
100K
2
1
3X9
LOW
2
1
3
22
11
33 X10
S-HL2
R253
10K0
R294
10K0
R284
10K0
C231
220P
R285
10K0
R286
10K0
C233
220P
R287
10K0
C213
104P
C214
104P
C263
100/25V
C265
100/25V
3. Schematic Diagram

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Date: 27-Jan-2002 Sheet of File: D:\pc42\pc42\pc42\S-OVER\SCX202S\SCX202S\SCX202S.ddbDrawn By:
SCX POWER Schematic
DB1
RB154
C5 104P C4 104P
IC1
L7815
IC2
L7915
C6
1000/16V
C7
1000/16V
C8
104P
C9
104P
1 2 3CN2
3P2.5
+15V
-15V
1 2
CN5
2P2.5
R1
1.2K
+15V
-15V
1 2 3
CN3
3P2.5
C18
1000/35V
C19
1000/35V
1 2 3
CN? CON3

4.Printed Circuit Diagram
X23(M) PCB LAYOUT
PCB : X23(M) Top Layer
PCB : X23(M) Top Solder Mask
PCB : X23(M) Top Overlay
PCB : X23(M) Bottom Layer

PCB : X23(M) Bottom Solder Mask
PCB : X23(M) Bottom Overlay
PCB : X23(M) Drill Drawing Plots
Hole Size Hole Count
24mil (0.6mm) 73
31mil (0.8mm) 68
39mil (1.0mm) 36
47mil (1.2mm) 36
59mil (1.5mm) 2
87mil (2.2mm) 6
150mil (3.8mm) 4
Totals 225

SCX223IO PCB LAYOUT
PCB : SCX223IO Bottom Layer
PCB : SCX223IO Bottom Solder Mask
PCB : SCX223IO Top Overlay
PCB : SCX223IO Drill Drawing Plots
Hole Size Hole Count
31mil (0.8mm) 24
39mil (1.0mm) 14
47mil (1.2mm) 6
55mil (1.4mm) 18
63mil (1.6mm) 12
150mil (3.8mm) 2
Totals 76

XPWR PCB LAYOUT
PCB : XPWR Bottom Layer PCB : XPWR Bottom Solder Mask
PCB : XPWR Bottom Overlay PCB : XPWR Top Overlay
PCB : XPWR Drill Drawing Plots
Hole Size Hole Count
31mil (0.8mm) 14
39mil (1.0mm) 22
63mil (1.6mm) 3
98mil (2.5mm) 4
138mil (3.5mm) 4
Totals 90

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Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
29-Oct-2002 TASY J.S.
ALTO Mobile : X23 Wiring Diagram
11 of
X23 V2.0
A4
X23 Wiring Diagram
SCX223IO SCX223IO
X23(M)
XPWR
LED
電源開關
CN4 CN2 CN1 CN4 CN3 CN2 CN1
CN5 CN4 CN3 CN2
CN1
CN2CN3
CN4
CN6
PT-SCX34
X23(M)
CN5 CN4 CN3 CN2
CN1
CN6
CN1
GND
110V
220V
紅藍
AC IN
5. Wiring Diagram

X23-ALTO-230V
Structure Needing Material Detail List
Midprod NO
NO.
Quanity
Unit
建檔日: 2002/02/08 2002/09/26修正日:
Page 1 of 1
2002/10/29
A-X23-ALTO-230V1 1.000 PCS
A-X34 底板組合2 1.000 PCS
P-XPWR3 1.000 PCS
P-SCX223IO-DIP(CH1)4 1.000 PCS
P-SCX223IO-DIP(CH2)5 1.000 PCS
P-X23(M)-SMD6 2.000 PCS
P-X23(M)-DIP7 2.000 PCS
7. Electrical Parts List

Page 1 of 3
2002/10/29
X23-ALTO-230V
Mid No: A-X23-ALTO-230V standard quantity: 1.000
X23 AMPItem No: specify:
Item Name SpecificNO Material No UnitQuanity Ps
panel(white)
1
MFR2159ZZ
MARK:
PCS
1.000
X23
top cover-printing
2
MTP229ZZ
MARK:
PCS
1.000
CLE2.0
rear board (spray black-paint)
3
MBK247ZZ
MARK:
PCS
1.000
X23
fuse(T)
4
HD00021
MARK:
PCS
1.000
100mA 250V φ5*20mm CSA/S/UL/VDE
loop transformer
5
TP3055
MARK:
PCS
1.000
PT-SCX34
AC outlett
6
HCSA16
MARK:
PCS
1.000
(S)315-B (AC select)
7
NPL287
MARK:
PCS
6.000
φ3*W6*18.3 black ABS
label
8
NMLZ779
MARK:
1.000
SCL-2020 black/white
row-wire connector wiring
9
HLSF129
MARK:
PCS
1.000
3P-3P 200m/m
signle terminal wiring CF:W146
10
HLSC146
MARK:
PCS
1.000
green/yellow 80m/m
single terminal wiring CF:W76
11
HLSC76
MARK:
PCS
1.000
green/yellow 150m/m
plastic knob double φ11*17.5
12
NMBP64
MARK:
PCS
8.000
COOL GRAY 8C
cover
13
NPL272
MARK:
PCS
8.000
φ8.5*4 blue 072C
black plated screw
14
MSCB28
MARK:
PCS
14.000
flat self 3*4
black plated screw
15
MSCB34
MARK:
PCS
2.000
pill 3*6
電源開關
black plated screw
16
MSCB38
MARK:
PCS
4.000
3*7
面板
black-plated screw
17
MSCB13
MARK:
PCS
10.000
cross-head pan head 3*6
上蓋,后板
black plated screw
18
MSCB35
MARK:
PCS
2.000
cross-head pan head 3*10
AC座
black plated screw
19
MSCB58
MARK:
PCS
12.000
iron-board pill 3*10
平衡座
colour nut
20
MSTC04
MARK:
PCS
1.000
4m/m
地線
washer
21
MFSS04
MARK:
PCS
1.000
φ4*φ7*1t
地線
washer
22
MFST01
MARK:
PCS
2.000
φ4*φ8*0.5t
地線
colour nut
23
MSTC03
MARK:
PCS
2.000
3m/m
PT
washer
24
MFSC09
MARK:
PCS
2.000
φ3*φ10*1t
PT
cable tie(black)
25
NMCR01
MARK:
PCS
10.000
ALT-102SB

Page 2 of 3
2002/10/29
X23-ALTO-230V
Mid No: A-X23-ALTO-230V standard quantity: 1.000
X23 AMPItem No: specify:
Item Name SpecificNO Material No UnitQuanity Ps
self-paste foot pad(SF-004)
26
NLXM39
MARK:
PCS
4.000
12.7*9.0*3.0t
P.V.C single wave wired
27
HLSP71
MARK:
PCS
1.000
UL1617 22AWG 80m/m brown
P.V.C wiring
28
HLSP164
MARK:
PCS
1.000
UL1617 AWG22 250mm black
power cord
29
HLSA31
MARK:
PCS
1.000
Europe 3P LT-312+LT-501
sleeving flame retardant
30
NMCT20WW0020
MARK:
PCS
8.000
5φ*20m/m
sleeving flame retardant
31
NMCT16WW0010
MARK:
PCS
2.000
2.5φ*10m/m
lockable bag
32
NWCP04
MARK:
PCS
1.000
5*7
PE bag
33
NWCP01WW0300*0580
MARK:
PCS
1.000
30*58cm
desiccant
34
HEM083
MARK:
1.000
30g
alimentation SW
35
HSWA13
MARK:
PCS
1.000
SDDLB 1007U
L.E.D
36
DL43RG
MARK:
PCS
1.000
LG2043 green
switch cap
37
NPL285
MARK:
PCS
1.000
φ6*2.5 YELLOW C
power push button
38
NMBA02
MARK:
PCS
1.000
φ15*17
row-wire connecting wiring
39
HLSF160
MARK:
PCS
1.000
2P 230mm
box
40
NB01720
MARK:
PCS
1.000
ALTO 19"系列
sponge barrier
41
PKMS153
MARK:
PCS
1.000
ALTO 19"
barrier
42
PKMS156
MARK:
PCS
1.000
ALTO19"
paper outter case 4 hole
43
POA182
MARK:
PCS
0.250
ALTO 19"
label
44
NMLB1585-05ZZ
MARK:
2.000
X23 ALTO
instruction
45
NMCQA-277
MARK:
1.000
X23 ALTO
power push button
46
NMBA07
MARK:
PCS
5.000
washer
47
NC00131
MARK:
PCS
6.000
1*φ11.3*φ15.3 red
nut
48
NI00002
MARK:
PCS
6.000
外六角形φ7/16"*G20/15*4.8
jumper wire
49
MMCJ15
MARK:
PCS
1.000
16m/m
L.E.D high intensity
50
DL37RR
MARK:
PCS
4.000
3m/m round(red)long foot 26mm

Page 3 of 3
2002/10/29
X23-ALTO-230V
Mid No: A-X23-ALTO-230V standard quantity: 1.000
X23 AMPItem No: specify:
Item Name SpecificNO Material No UnitQuanity Ps
row-wire connecting wiring
51
HLSF384
MARK:
PCS
2.000
8P-6P 120
header wiring BF:W292
52
HLSB292
MARK:
PCS
1.000
2P-2P 180m/m
header wiring BF:W311
53
HLSB311
MARK:
PCS
2.000
3P-3P 180
row-wire connecting wiring
54
HLSF386
MARK:
PCS
2.000
4P-4P 180
row-wire connecting wiring
55
HLSF388
MARK:
PCS
2.000
5P-5P 180
assurance book
56
NMCQ-073
MARK:
1.000
ALTO
label
57
NMLM378ZZ
MARK:
4.000
X23
label
58
NE05004
MARK:
4.000
ALTO
label
59
NMLH31
MARK:
2.000
MADE IN P.R.C.
box
60
NA00154
MARK:
PCS
2.000
ALTO
power switch
61
NI02085
MARK:
PCS
1.000
φ22*9.69

Page 1 of 1
2002/10/29
X23-ALTO-230V
Mid No: A-X34 底板組合 standard quantity: 1.000
X23 AMPItem No: specify:
Item Name SpecificNO Material No UnitQuanity Ps
bottom rear plate
1
MBT321ZZ
MARK:
PCS
1.000
X34
iron pillar
2
MMC013
MARK:
PCS
2.000
hexagon 6.35*M3*6
iron pillar
3
MMC014
MARK:
PCS
4.000
hexagon 6.35*M3*9.2
screw pillar
4
MSC023
MARK:
PCS
1.000
M4*10*0.7PH
5
MSC030
MARK:
PCS
2.000
M3*10*0.5PH
fixed board (black)
6
MSDE35ZZ
MARK:
PCS
1.000
X23
barrier (black)
7
MSDE34ZZ
MARK:
PCS
1.000
X23
L-shape fixed bracket
8
MAPR80ZZ
MARK:
PCS
1.000
1.2*28*20*10(CLE2.0)
iron pillar
9
ME00050
MARK:
PCS
8.000

Page 1 of 1
2002/10/29
X23-ALTO-230V
Mid No: P-XPWR standard quantity: 1.000
X23 AMPItem No: specify:
Item Name SpecificNO Material No UnitQuanity Ps
PCB
1
NPC0106
MARK:
PCS
1.000
XPWR(1*4)
1/8W fixed resistor
2
RFC212S
MARK:
R
PCS
1.000
1.2KΩ S type
1
ceramic capacitor
3
CC410F
MARK:
C
PCS
4.000
0.1uF SL
4 5 8 9
electrolytic capacitor
4
CE747E
MARK:
C
PCS
2.000
470/25V
6 7
electrotytic capacitor
5
CE822F
MARK:
C
PCS
2.000
2200/35V φ16*31.5mm
18 19
bridge rectifier
6
DB001A
MARK:
DB
PCS
1.000
RB154 1A/400V
1
integrated circuit
7
SIC717
MARK:
IC
PCS
1.000
7815
1
integrated circuit
8
SIC719
MARK:
IC
PCS
1.000
7915
2
row-wire header
9
HCSI0203
MARK:
CN
PCS
2.000
3P 2.5mm 180°
2 3
row-wire header
10
HCSI0202
MARK:
CN
PCS
1.000
2P 2.5mm 180°
4
row-wire header
11
HCSR0203
MARK:
CN
PCS
1.000
3P 3.96mm 180°
1
silicone insulator
12
STR802-T2
MARK:
2.000
TO-220 square type
heat sink
13
MHL013
MARK:
PCS
2.000
MA103*25m/m*2PIN
washer
14
MFSS03
MARK:
PCS
2.000
φ3*φ5*1t
Ni screw
15
MSCN16
MARK:
PCS
2.000
pill 3*6 thin tooth P0.5