Service Precautions; Notes On Soldering; Notes On Parts Replacement; Service Notice - Pioneer DDJ-RB Service Manual

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1. SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

• For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
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Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
Do NOT use a soldering iron whose tip temperature cannot be controlled.

1.2 NOTES ON PARTS REPLACEMENT

Lubrication during Reassembly of the Jog Dial
When reassembling the Jog dial after replacing the Jog dial or control panel, be sure to apply grease to the shaft and shaft
bearing of the Jog dial.
For details on how to lubricate, see "Procedure for applying grease during reassembly of the Jog dial" in "7. DISASSEMBLY."
Be sure to use the specified grease.
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Parts that require simultaneous replacement
Two photointerrupters are provided for detection of Jog dial rotations.
When replacement of photointerrupters is required because of abnormalities in detected waveforms, etc., be sure to replace
both photointerrupters at the same time.
Corresponding Part No.: RPI-579N1
Parts that require simultaneous replacement: PC1201 and PC1202 (DCK1B ASSY, DCK2B ASSY)
After replacement, be sure to perform the procedure described in "2-2 Judging the quality of mounting and connection of the
photointerrupter" in "6. SERVICE MODE."
Mass production early, the following parts (IC711, IC712 (MAIN Assy)) may have temporarily implement an alternate parts.
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If it was alternate parts when replacing the following parts, please replace in pairs to the corresponding part from alternate parts.
Alternate Part No.: 74HC4051AFT
Corresponding Part No.: TC74HC4051AFT
Parts that require simultaneous replacement: IC711, IC712 (MAIN Assy)
IC printing information
TC74HC4051AFT
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1.3 SERVICE NOTICE

Monitoring of power supply and voltage
This unit always monitors for power supply and voltage.
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After an error is detected, this unit will shut itself off immediately and all indicators are turned off.
After the unit shuts itself off because of an error, the defective point may produce heat, which may be dangerous.
Therefore, disconnect the USB cable and wait for a while before turning the unit back on.
Repair the unit according to the diagnostic procedures described in "5.3 MONITORING OF POWER SUPPLY AND VOLTAGE."
Demo Mode
This unit will automatically enter demo mode if it is left unoperated for 10 minutes in normal operation mode.
To cancel this mode, operate any control or button of this unit.
The default setting of time to switch to the demo mode is 10 minutes.
To disable demo mode, change the setting in the settings of utilities mode (For details, refer to the operating instructions).
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MXR Assy
Cross fader PCB (jumper connection) of MXR Assy is not service parts.
If necessary to order the MXR Assy.
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TOSHIBA logo mark
C
Part No.
(or abbreviation code)
Lot No.
2
3
74VHC4051AFT
VHC
4051A
DDJ-RB
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4
TOSHIBA logo mark
Part No.
(or abbreviation code)
Lot No.
4