powersoft DSP4 Series User manual

DSP4
Service Manual
Keep this manual
for future reference
©2020 Powersoft
powersoft_DSP4_servman_en_v1.0

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INDEX
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DSP4 | SERVICE MANUAL
WE RECOMMEND THAT ALL SERVICE OPERATIONS
ARE CARRIED OUT BY A TECHNICIAN IN THE MANNER
DESCRIBED IN THIS GUIDE.
IF NOT EXPLICITLY STATED OTHERWISE, DISCONNECT THE
AMPLIFIER FROM THE MAINS BEFORE OPERATING THE
AMPLIFIER.
WARNING! INTERNAL CAPACITORS BANK COULD BE CHARGED
AND HARMFUL: TAKE CARE OF COMPLETELY DISCHARGE
INTERNAL CAPACITORS BANK BEFORE HANDLING THE DEVICE
This technical document aims to be a support guide in repairing
and low-voltage testing the DSP4 module.
The troubleshooting approach will help you characterize the kind
of fault you incur. A recovery method and the related assembly
outline detail is thoroughly explained for the most common faults.
The components to be replaced are clearly shown to help their
identication. At the end of this guide you can nd a detailed
list with the description and the respective Powersoft internal
reference code of the spare parts.
Always use an anti-static wrist band while servicing the DSP4.
Data are subject to change without notice.
For latest update please refer to the English online version available
on www.powersoft.com.
Tools:
1. Requiriment for Testing DSP4 With PTLite 4
2. Operative Instruction 5
3. Identifying DSP4 Labels and Boards 6
4. Interface Panel Explained 7
5. DSP4 Configurations 8
6. DSP4 Troubleshooting 9
7. DSP4 Initializing 10
8. Testing Panel Interface 10
9. DSP4 Connections for Testing With PTLite 13
10. Performing DSP4 Testing With PTLite 15
11. DSP4 Warranty Seal 21
12. Appendix 22
13. Spare Part List 23
Index:
• Phillips PH 0 screwdriver.
• Phillips PH 1 screwdriver.
• M5 socket wrench.
• Small cutter
• Tweezers
This documentation contains proprietary information which is the
sole property of Powersoft S.p.A.
These documents are condential and reserved and may not be
disclosed, reproduced and shared with third persons or used
without the express written permission from Powersoft S.p.A.
Should the service centre agreement between the two companies
be interrupted these documents must be returned to Powersoft
S.p.A. Italy or proof of their destruction be provided.
Required Instrumentation Q.ty Example/Comments
PTLite - AT000078.xx 1 Test Unit+ Software
DSP4Initializer vers. 3.0.3 or > 1 Software
Power Control Manager vers. 2.3.15 or > 1 Software
PF00P296/PF00T296 - DigiMod 3004PFC4 1 Module
Pc with at least 1 eth board 1
Any evidence of tampering by unathorized personnel results
in immediate termination of the warranty.

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4
DSP4 | SERVICE MANUAL
PT LITE TESTING UNIT
DIGIMOD3004PFC4
CB000737 CABLE CB000677 CABLE
1. REQUIREMENT FOR TESTING DSP4 WITH PT LITE
SM000923 Interface

INDEX
5
DSP4 | SERVICE MANUAL
Product Code Step 1 Step 2 Step 3 Step 4 Step 5
DSP40001 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing unknown model
string
--
DSP40002 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing unknown model
string
--
DSP40003 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing unknown model
string
--
DSP40004 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing unknown model
string
Power Control
Manager:
- Verify discovery
IPALMOD/MDRIVE
by DB9 connector
PF000306 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface
PTLite:
- Analog CH1-2 test
DSP4Initializer:
- Writing factory presets
- Writing unknown model
string
--
PF000289 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
(use
SM000996
as interface)
PTLite:
- Analog CH1-2 test
DSP4Initializer:
- Writing factory presets
- Writing unknown model
string
--
PF000282 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface
PTLite:
- Analog CH1-2 test
DSP4Initializer:
- Writing factory presets
- Writing DSP4 model
string
- Module 0 PF00P192
- Module 1 PF00P192
--
PF000282
(test without module
PF00P192)
DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing DSP4 model
string
- Module 0 PF00P192
- Module 1 PF00P192
--
PF00A277 (test
without module
PF000281)
DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing DSP4 model
string
- Module 0 PF000281
- Module 1 Not Present
--
PF00A297 (test
without module
PF000276)
DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface
PTLite:
- Analog CH1-2 test
DSP4Initializer:
- Writing factory presets
- Writing DSP4 model
string
- Module 0 PF000276
- Module 1 Not Present
--
PF00A298 (test
without module
PF000280)
DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing DSP4 model
string
- Module 0 PF000280
- Module 1 Not Present
--
PFIS4291 (test
without module
PF00P191)
DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface PTLite: - Analog CH1-2 test DSP4Initializer: - Writing factory presets
- Writing DSP4 model
string
- Module 0 PF00P191
- Module 1 PF00P191
--
PFIS4302 DSP4Initializer:
- FW update
- Writing factory presets
- Writing readable model string
Testing Panel
Interface
PTLite:
- Analog CH1-2 test
DSP4Initializer:
- Writing factory presets
- Writing DSP4 model
string
- Module 0 PF00P302
- Module 1 Not Present
--
2. OPERATIVE INSTRUCTION

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DSP4 | SERVICE MANUAL
3. IDENTIFYING DSP4 LABELS AND BOARDS
DSP4 Label
Product Code
Serial Number
DSP4 Boards
DSP4 MAIN SM000753 DSP4 AESOP SM000752 DSP4 INTERFACE SM000777
Mac Address
DSP4 STD FRNT PLUG
SM000680

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DSP4 | SERVICE MANUAL
4. INTERFACE PANEL EXPLAINED
DSP4 LED Meaning Chart
DSP4 LED Main Board
W3T Yellow Led + 3.3 Vcc
W4T Green Led + 5 Vcc
When the DSP4 is ON both leds are ON

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8
DSP4 | SERVICE MANUAL
5. DSP4 CONFIGURATIONS
DSP40001 DSP40002
DSP40003 DSP40004

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9
DSP4 | SERVICE MANUAL
6. DSP4 TROUBLESHOOTING
Symptom: gain -6dB Symptom: LEDs not well lit up
Symptom: LEDs not well lit up
Sympton: Gain -6dB
Sympton: LEDs are Off
Cause: one of the resistors in this area is broken.
Cause: one of the inductors in this area is broken.
DSP4 MAIN SM000753
DSP4 MAIN SM000753

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10
DSP4 | SERVICE MANUAL
After repairing the device use the “DSP4Initializer” to prepare the
DSP4 for testing.
Verify that “DHCP Server” is started and running on DUT interface
All the models should be programmed as “DSP40000”; write
manually in “Serial Number” eld model-space-serial (xxxxxxxx
xxxxxx), model is one of the listed in the top, serial has to be 6 or 8
digits based on sw version (the software will ask to modify in case
of mismatch)
7. DSP4 INITIALIZING
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
Fields “Module1” and “Module2” have to be automatically selected to DigiMod 3004PFC4 (PF00P296).
Fields “Module1” and “Module2” have to be automatically selected
to DigiMod 3004PFC4 (PF00P296).
Check “Specify IP address” writing in the box the one read by
“DHCP Server”. (192.168.10.110)
8. TESTING PANEL INTERFACE
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
DSP4 Successfully updated.
Rotate the potentiometer to 0 ( all SX )
After count 5 steps from 0 ( SX )

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11
DSP4 | SERVICE MANUAL
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
Press and hold the Reset Button using the allen key.
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
While the reset button is hold pressed, switch on the amplier.
After 10 seconds, release the Reset button. All led on the panel
interface should lit and blink as shown in the picture.
Press Preset Sel. button, Led #1, #2, #3, #4 should turn off
Press Input Sel. button, Led ANL, DGT should turn off

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12
DSP4 | SERVICE MANUAL
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
Press Input EQ button, Led ON should turn off
Put at min level the potentiometer, AESOP data Led on ETH1
should turn off
Put at max level the potentiometer, AESOP data Led on ETH2
should turn off

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13
DSP4 | SERVICE MANUAL
50018 Scandicci, FI Italy
F: [phone]
F: [phone]
S 3 – T PTL
SM000996
Press Reset button using the Allen key, Led Ready should turn off
9. DSP4 CONNECTIONS FOR TESTING WITH PT LITE
Remove the following screws
Remove the following screws
DSP4 MAIN SM000753

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14
DSP4 | SERVICE MANUAL
Using the interface SM000923 do the following connections
1
1
2
2
Now reassembly the DSP4 and insert the SM000923 Interface to the PFC4 Module.
DSP4 MAIN SM000753

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15
DSP4 | SERVICE MANUAL
Launch PTLite software to begin the test for DSP4.
1. Click on manual load.
2. Enter the product code.
3. Enter the serial number.
4. Press LOAD
Now the test plan have been loaded. Press START button.
Steps refered to chapter 1 (Initializing). Press “YES” if you did the
Initializing procedure.
1
2
3
4
10. PERFORMING DSP4 TESTING WITH PT LITE

INDEX
16
DSP4 | SERVICE MANUAL
Steps refered to chapter 2 (Testing panel interface). Press “YES” if
you did a succefully Testing panel procedure.
Restart the DSP4 (Turn Off and Turn Off the module PFC4 ) Only
if you did the testing panel procedure at this point. Otherwise just
press ‘‘OK’’

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17
DSP4 | SERVICE MANUAL
CH1
CH2
CH3
CH4

INDEX
18
DSP4 | SERVICE MANUAL
CH1
CH2

INDEX
19
DSP4 | SERVICE MANUAL
Passed!
ASC Repair Certicate

INDEX
20
DSP4 | SERVICE MANUAL
Once the test has been passed, run the DSP4 Initializer Initializer
and enter the real product code and serial (i.e. DSP40003
00461309)
Turn off and on the DSP4 and check out with ArmoniaPlus that it will be discovered as “unknown model”
Updating.....
DSP4 Successfully updated.