LTO DI1 User manual

ServiceManual
www.altoproaudio.com
Version: 1.1
Model: DI1
DIRECT INJECT BOX

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

1. SPECIFICATIONS (DI1)
Inputs 1/4” jack unbal. In/ Link Out
XLR unbalanced In
Input Impedance max 220 kOhm
Maximum Input level +2/+22/+42 dBm
Output XLR balanced Out
Load Impedance >600 Ohm
Maximum Output Level +6 dBm
System specifications
Bandwidth(100kOhm) 10Hz to 200Khz(±3dbm)
Bandwidth(600Ohm) 10Hz to 45Khz(±3dbm)
Bandwidth(High Cut) 10Hz to 8Khz(±3dbm)
Noise Level -105 dBm
THD+N @ 1 kHz / 1dBm< 0.01 %
Power supply
Phantom power 18 V DC to 48 V DC
Battery 9 V blockcell 6LR91
Dimensions 128 mm x 123.5 mm x 44.2 mm
Weight ca. 0.8Kg

1234
A B C D
4321
D C B A
DI1 DIGRAM.Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
15-Jun-2002 TASY J.S.
DI1 BLOCK DIGRAM
11 of
DI1 V1.0
A4
INPUT INPUT LINK
2 1 3 4
CN2
XLMN-3PH 3c
5e 1a 4d 2b
CN3
CN-JY6351G-02
3c 5e 1a 4d 2b
CN4
CN-JY6351G-02
SW2
-20dB ATTENUATION SW3
-20dB ATTENUATION
LED1
LED CONTROL
SW1
8KHz HIGH CUT 2
1 3
OUTPUTT1 SW4
PHASE
SW5
GND LIFT
SW6
BATTERY POWER
BATTERY +9V
PHANTOM POWER
STEP-DOWN CONVERTER
IC1
2.Block Diagram

1234
A B C D
4321
D C B A
1
2
3
4
5
6
7
8
9
10
CN1 10P-2.0
SW2
PS-22E85L SW3
PS-22E85L
R7
470K
R6
51K
R1
470K
R8
51K
( -20dB ) ( -20dB )
SW4
PS-22E85L
(PHASE)
SW5
PS-22E85L
( GND LIFT )
1 3
4 5 6
2
SW1
PS-22E85L
C1
0.47/50V
(8KHZ HIGH CUT)
LED1
GR
D3 FM103
SW6 DC-POWER
CN2 DC +9V D2
FM103
C7
100u/25v
R5 24K
R18 47K
R19
16K
Q1 BR
R3 47R R17
47K
R4 4K7
R14 16K
D1 4148
R13
100K
R12 100K C2
100u/25v
R16
120K
R15 47K
3 21
IC1A
2068
C5
100n
C4
100n
C3
100u/25v
R11
1M
C6
153 (M)
5 67
IC1B 2068
R21 33R
84
IC1C 2068
D4
4148
D5
4148
C8
470/16V
D6 4148
D7 4148
+VCC
GND2 GND2 GND2
GND2
GND2 GND2
GND2
GND2
GND2 GND2 GND2 GND2 GND2
R20 47R
R2
47R
C9 100n C10
470uF
ZD1 11V
GND2
GND2 GND2 GND2
DI1FP.Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
15-Jun-2002 TASY J.S.
DI1FP
11 of
DI1 V1.0
A4
3. Schematic Diagram

1 2 3 4
A B C D
4321
D C B A
R8 1R R3
1R
R1
1K18
C1
470uF
C2
100uF
D1
SFS1B-T
R2 3K32
TR1 BR
TR2 BR
C6
100n D2
15V
R4
51K
C4
100u/25v
R6 4K7
R7
820R
R5 820R
C7
1n
OUTPUT
1
2
3
4
5
6
7
8
9
10
CN1 10P2.0
R9 22K(omit)
INPUT INPUT LINK
L2 220H
2 1 3 4CN5
XLR-3MALE
1 4
2 3 5
T1
OTS-1030
C3 470P
2 1 3 4
CN2
XLMN-3PH 3c
5e 1a 4d 2b
CN3
CN-JY6351G-02
3c 5e 1a 4d 2b
CN4
CN-JY6351G-02
LINK
C5
100P
GND1
GND1GND1
GND1 GND1 GND1
GND1
GND2 GND2
GND2
GND2 GND2 GND2
T2
GND2
C8
104P
R10 27R
IC1
MC34063A/E
1
DI1PU.Sch
Titel Size File: Date: Drawn By:
Sheet
RevisionModel No:
2-Jul-2002 TASY J.S.
DI1PU
11 of
DI1 V1.0
A4

4.Printed Circuit Diagram
DI1FP PCB LAYOUT
PCB : DI1FP Top Layer
PCB : DI1FP Top Solder Mask
PCB : DI1FP Top Overlay
PCB : DI1FP Bottom Layer

PCB : DI1FP Bottom Solder Mask
PCB : DI1FP Bottom Overlay
PCB : DI1FP Drill Drawing Plots
Hole Size Hole Count
24mil (0.6mm) 46
31mil (0.8mm) 54
35mil (0.9mm) 10
39mil (1.0mm) 2
138mil (3.5mm) 4
Totals 116

DI1PU PCB LAYOUT
PCB : DI1PU Top Layer PCB : DI1PU Bottom Layer
PCB : DI1PU Top Solder Mask PCB : DI1PU Bottom Solder Mask
PCB : DI1PU Top Overlay PCB : DI1PU Bottom Overlay

PCB : DI1PU Drill Drawing Plots
Hole Size Hole Count
24mil (0.6mm) 28
31mil (0.8mm) 25
35mil (0.9mm) 10
39mil (1.0mm) 5
47mil (1.2mm) 4
63mil (1.6mm) 8
126mil (3.2mm) 2
150mil (3.8mm) 1
197mil (5.mm) 2
Totals 85