JVCKENWOOD DT-G17 User manual

MULTI FORMAT LCD MONITOR
DT-G17/21/24/27
Dismantling manual for use by
professional recyclers
By: JVCKENWOOD Corporation
First edition, May 2021

The Scope for the Manual
This manual is for the technicians who know well about the electric and have some experiences of
maintenance. All necessary information of dismantling and actual published date are included in this
manual.
For Your Safety
● Please pay aenon to the below proceedings for your safety:
● Please turn off the power and remove batteries, and don’t operate the equipment when you are near the
electric detonator or on flammability gas station.
● Only the qualified technicians can dismantle the equipment.
Disclaimer
UNLESS SPECIALLY AGREED TO IN WRITING, JVCKENWOOD Corporation.
a) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR
OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION.
b) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSS OR DAMAGE, WHETHER DIRECT, INDIRECT,
CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE
OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.
For any other problems that didn’t refer in this dismantling Manual, please contact:
Manufacturer:
JVCKENWOOD Corporation
Please visit: https://www.jvc.net/
for contact details of your nearest service department

Contents
1. Service tools
2. Parts List
3. Dismantling instruction

1. Service tools
Name Application
Hexagonal wrench (Width across: 2.5 mm) Screw tightening
Torque screwdriver(0,16-0,74Nm) Screw tightening

2. Parts List
2.1 DT-G17
Parts List
NO. Part NO. Description Qty
1 42400121 JVC nameplate 1
2 42320594 Tally lampshade 1
3 39800424 Front panel 1
4 43420114 Left and right foam 2
5 43420113 Top foam 1
6 42330084 Damping pad 2
7 42310659 LCD holder 2
8 41170102 LCD 1
9 42310672 Press plate 4
10 39700415 Power selection board 1
11 39700242 Conversion board 1
12 39700494 Tally board 1
13 42310651 Rear panel 1
NO. Part NO. Description Qty
14 42320644 Handle 1
15 42320048 Switch cover 4
16 39700431 Key board 1
17 39700328 Rotary encoder board 1
18 39700500 USB board 1
19 39800396 Speaker cover 2
20 43420115 Lower foam 1
21 41040024 Speaker 2
22 41110011 Transformer board 1
23 41130169 ARM board 1
24 39700420 Main board 1
25 41150362 AC IN-Switch 1
26 41150204 XLR-4PIN 1

2.2 DT-G21
Parts List
NO. Part NO. Description Qty
1 42320594 Tally lampshade 1
2 42400121 JVC nameplate 1
3 39800423 Front panel 1
4 42310660 LCD holder 2
5 41170086 LCD 1
6 42330593 Top Press plate 2
7 41110011 Transformer board 1
8 39700315 Backlight board 1
9 39700415 Power selection board 1
10 39700494 Tally board 1
11 42310649 Rear panel 1
12 42320644 Handle 1
13 42320048 Switch cover 4
NO. Part NO. Description Qty
14 41010027 Speaker 2
15 39700431 Key board 1
16 39700328 Rotary encoder board 1
17 39700500 USB board 1
18 42320592 Lower Press plate 2
19 42330085 Damping pad 2
20 41130169 ARM board 1
21 39700420 Main board 1
22 41150362 AC IN-Switch 1
23 41150204 XLR-4PIN 1

2.3 DT-G24
Parts List
NO. Part NO. Description Qty
1 42400121 JVC nameplate 1
2 42320594 Tally lampshade 1
3 39800422 Front panel 1
4 42310661 LCD holder 2
5 41170064 LCD 1
6 42330593 Top Press plate 2
7 39700415 Power selection board 1
8 39700315 Backlight board 1
9 39700494 Tally board 1
10 42310648 Rear panel 1
11 42320644 Handle 1
12 42320048 Switch cover 4
13 39700431 Key board 1
NO. Part NO. Description Qty
14 39700328 Rotary encoder board 1
15 39700500 USB board 1
16 39800397 Speaker cover 2
17 41010027 Speaker 2
18 42320592 Lower Press plate 2
19 41110011 Transformer board 1
20 41130169 ARM board 1
21 39700420 Main board 1
22 41150362 AC IN-Switch 1
23 41150204 XLR-4PIN 1

2.4 DT-G27
Parts List
NO. Part NO. Description Qty
1 42400121 JVC nameplate 1
2 42320594 Tally lampshade 1
3 39800421 Front panel 1
4 42310662 LCD holder 2
5 41170039 LCD 1
6 42320593 Top Press plate 2
7 39700415 Power selection board 1
8 39700315 Backlight board 1
9 39700494 Tally board 1
10 42310650 Rear panel 1
11 42320644 Handle 1
12 42320048 Switch cover 4
13 39700431 Key board 1
NO. Part NO. Description Qty
14 39700328 Rotary encoder board 1
15 39700500 USB board 1
16 39800397 Speaker cover 2
17 41040027 Speaker 2
18 42320592 Lower Press plate 3
19 41110011 Transformer board 1
20 41130169 ARM board 1
21 39700420 Main board 1
22 41150362 AC IN-Switch 1
23 41150204 XLR-4PIN 1

3. Dismantling instruction
The DT-G17(The disassemble instructions of DT-G17/24/21/27 are basically the same)
3.1 Remove all the 15 screws from the rear panel, see FIG. 3(The red circle must be removed). You don’t
need to disassemble battery plate if there’s battery plate installed.
FIG. 3
3.2 Lift the rear panel slightly from the bottom, see FIG. 4, and remove the connecting line in the red box.
FIG. 4
3.3 To disassemble the main board:
1. Remove the connecting line in the yellow box, see FIG. 5;
2. Remove all 11 screws on the main board, see FIG. 5;

FIG. 5
3.4 To disassemble the LCD panel:
1. Remove the 16 screws form the red box, see FIG. 6.
FIG. 6

3.5 DT-G21/24/27 front and rear panel connecting line and PCBA.
FIG. 7

FIG. 8