PIONEER DJM-707/NKXJ Service Manual

Cover page of PIONEER DJM-707/NKXJ Service Manual

Service Manual for PIONEER DJM-707/NKXJ, downloadable as a PDF file.

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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
PHONO 1
/LINE 1
+9
+12
-12
+6
-26
+12
-12
TRIM
POWER
MIC LEVEL
HI
LOW
MIC SEND
SESSION IN
FADER START
TRANSFORM
MASTER LEVEL
REVERSE
CH-1
CH-2
CH-1
CH-2
REVERSE
FEELING
ADJ.
LR
REVERSE
TRANSFORM
FADER START
CH-1 FADER START
C.F.1 FADER START
POWER
PHONES
CH-2 FADER START
C.F.2 FADER START
CH-1 SEND
CH-2 SEND
HI
+6
-26
MID
+6
OFF
OFF
10
9
14
9
5
3
1
0
1
­
­
­
­
­
­
­
­
­
­
­
­
3
6
9
15
22
dB
dB
14
9
5
3
1
0
1
3
6
9
15
22
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
ON
ON
-26
LOW
EQ
CD 1
­
PHONO 2
/LINE 2
+9
+6
-26
TRIM
HI
+6
-26
MID
+6
-26
LOW
EQ
CD 2
­
0
­
MASTER LEVEL
BOOTH/SESSION OUT
0
­
PHONES
SELECT
CH-1
CH-2
0
­
0
­
0
­
CUE
MASTER
2
1
PROFESSIONAL 2CHANNEL MIXER
DJM-707
DJM-707
RRV2872
DJ MIXER
DJM-707
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
DJM-707
KUCXJ
AC120V
DJM-707
WYXJ
AC220 - 240V
DJM-707
TLTXJ
AC110 - 240V
DJM-707
NKXJ
AC220V
For details, refer to "Important symbols for good services" .
T-ZZY JAN. 2004 printed in Japan
background image
ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
PHONO 1
/LINE 1
+9
+12
-12
+6
-26
+12
-12
TRIM
POWER
MIC LEVEL
HI
LOW
MIC SEND
SESSION IN
FADER START
TRANSFORM
MASTER LEVEL
REVERSE
CH-1
CH-2
CH-1
CH-2
REVERSE
FEELING
ADJ.
LR
REVERSE
TRANSFORM
FADER START
CH-1 FADER START
C.F.1 FADER START
POWER
PHONES
CH-2 FADER START
C.F.2 FADER START
CH-1 SEND
CH-2 SEND
HI
+6
-26
MID
+6
OFF
OFF
10
9
14
9
5
3
1
0
1
­
­
­
­
­
­
­
­
­
­
­
­
3
6
9
15
22
dB
dB
14
9
5
3
1
0
1
3
6
9
15
22
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
ON
ON
-26
LOW
EQ
CD 1
­
PHONO 2
/LINE 2
+9
+6
-26
TRIM
HI
+6
-26
MID
+6
-26
LOW
EQ
CD 2
­
0
­
MASTER LEVEL
BOOTH/SESSION OUT
0
­
PHONES
SELECT
CH-1
CH-2
0
­
0
­
0
­
CUE
MASTER
2
1
PROFESSIONAL 2CHANNEL MIXER
DJM-707
DJM-707
RRV2872
DJ MIXER
DJM-707
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
DJM-707
KUCXJ
AC120V
DJM-707
WYXJ
AC220 - 240V
DJM-707
TLTXJ
AC110 - 240V
DJM-707
NKXJ
AC220V
For details, refer to "Important symbols for good services" .
T-ZZY JAN. 2004 printed in Japan
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DJM-707
2
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123
4
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A
B
E
SAFETY INFORMATION
This service manual is intended for qualified service technicians ; it is not meant for the casual do-it-
yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause
cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 ­ Proposition 65
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
RETURNING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are
often not evident from visual inspection nor the protection
afforded by them necessarily can be obtained by using
replacement components rated for voltage, wattage, etc.
Replacement parts which have these special safety
characteristics are identified in this Service Manual.
Electrical components having such features are identified
by marking with a
on the schematics and on the parts list
in this Service Manual.
The use of a substitute replacement component which does
not have the same safety characteristics as the PIONEER
recommended replacement one, shown in the parts list in
this Service Manual, may create shock, fire, or other hazards.
Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
information, always consult the current PIONEER Service
Manual. A subscription to, or additional copies of, PIONEER
Service Manual may be obtained at a nominal charge from
PIONEER.
1. SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground (water
pipe, conduit, etc.) by connecting a leakage current tester
such as Simpson Model 229-2 or equivalent between the
earth ground and all exposed metal parts of the appliance
(input/output terminals, screwheads, metal overlays, control
shaft, etc.). Plug the AC line cord of the appliance directly
into a 120V AC 60Hz outlet and turn the AC power switch
on. Any current measured must not exceed 0.5mA.
(FOR USA MODEL ONLY)
Leakage
current
tester
Reading should
not be above
0.5mA
Device
under
test
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
Earth
ground
AC Leakage Test
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DJM-707
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CONTENTS
1. SPECIFICATIONS .............................................................................................................................................5
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................6
2.1 PACKING ....................................................................................................................................................6
2.2 EXTERIOR SECTION ................................................................................................................................8
2.3 CONTROL PANEL (LOWER) SECTION ..................................................................................................10
2.4 CONTROL PANEL (UPPER) SECTION ...................................................................................................12
2.5 FRONT PANEL SECTION ........................................................................................................................14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRM .............................................................................................16
3.1 OVERALL BLOCK DIAGRAM ..................................................................................................................16
3.2 OVERALL CONNECTION DIAGRAM ......................................................................................................18
3.3 MAIN ASSY (1/6)......................................................................................................................................20
3.4 MAIN ASSY (2/6)......................................................................................................................................22
3.5 MAIN ASSY (3/6)......................................................................................................................................24
3.6 MAIN ASSY (4/6)......................................................................................................................................26
3.7 MAIN ASSY (5/6)......................................................................................................................................28
3.8 MAIN ASSY (6/6)......................................................................................................................................30
3.9 CONT ASSY .............................................................................................................................................32
3.10 C1EQ ASSY ...........................................................................................................................................34
3.11 C1EQ ASSY (2/2) ...................................................................................................................................36
3.12 C2EQ ASSY ...........................................................................................................................................38
3.13 C1BF ASSY ............................................................................................................................................40
3.14 C2BF ASSY ............................................................................................................................................42
3.15 MICB ASSY ............................................................................................................................................44
3.16 HPBO ASSY ...........................................................................................................................................46
3.17 FDVR ASSY............................................................................................................................................48
3.18 SDRT ASSY ...........................................................................................................................................50
3.19 XLR ASSY (1/2)......................................................................................................................................52
3.20 XLR ASSY (2/2)......................................................................................................................................54
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
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DJM-707
4
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3.21 LVMR (1/2), C1TR, C2TR, FVA1 and FVA2 ASSYS .............................................................................. 56
3.22 LVMR ASSY (2/2) .................................................................................................................................. 58
3.23 CFVR, RVSW and FSSW ASSYS ......................................................................................................... 60
3.24 SW POWER SUPPLAY ASSY ............................................................................................................... 62
3.25 VOLTAGES ............................................................................................................................................. 63
3.26 WAVEFORMS ........................................................................................................................................ 66
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 70
4.1 MAIN ASSY ............................................................................................................................................. 70
4.2 CONT ASSY ............................................................................................................................................ 74
4.3 C1 EQ ASSY............................................................................................................................................ 76
4.4 C2 EQ ASSY............................................................................................................................................ 78
4.5 C1BF ASSY ............................................................................................................................................. 80
4.6 C2BF ASSY ............................................................................................................................................. 81
4.7 MICB ASSY ............................................................................................................................................. 82
4.8 HPBO ASSY ............................................................................................................................................ 83
4.9 LVMR, C1TR, C2TR, FVA1,FVA2 and FDVR ASSYS.............................................................................. 84
4.10 SDRT ASSY........................................................................................................................................... 88
4.11 XLR ASSY ............................................................................................................................................. 89
4.12 CFVR, RVSW and FSSW ASSYS ......................................................................................................... 90
4.13 SW POWER SUPPLY ASSY.................................................................................................................. 92
5. PCB PARTS LIST ........................................................................................................................................... 94
6. ADJUSTMENT ............................................................................................................................................. 100
6.1 ADJUSTMENT REQUIRED WHEN THE SET IS REPAIRED OR REPLACED ..................................... 100
6.2 CH1 OFFSET ADJUSTMENT................................................................................................................ 102
6.3 CH1GAIN ADJUSTMENT ...................................................................................................................... 103
6.4 CH2 OFFSET ADJUSTMENT................................................................................................................ 104
6.5 CH2 GAIN ADJUSTMENT ..................................................................................................................... 105
6.6 CH1 EQ Low ADJUSTMENT ................................................................................................................. 106
6.7 CH1 EQ Mid ADJUSTMENT.................................................................................................................. 107
6.8 CH1 EQ Hi ADJUSTMENT .................................................................................................................... 108
6.9 CH2 EQ Low ADJUSTMENT ................................................................................................................. 109
6.10 CH2 EQ Mid ADJUSTMENT................................................................................................................ 110
6.11 CH2 EQ Hi ADJUSTMENT .................................................................................................................. 111
7. GENERAL INFORMATIN ............................................................................................................................. 112
7.1 DIAGNOSIS ........................................................................................................................................... 112
7.1.1 SERVICE MODE ............................................................................................................................. 112
7.1.2 Rewriting of the Software................................................................................................................. 114
7.1.3 POWER ON SEQUENCE................................................................................................................ 116
7.1.4 DISASSEMBLY................................................................................................................................ 117
7.1.5 CONFIGURATION OF THE PC BOARD ......................................................................................... 121
7.2 PARTS.................................................................................................................................................... 122
7.2.1 IC INFORMATION ........................................................................................................................... 122
8. PANEL FACILITIES AND SPECIFICATIONS ............................................................................................... 125
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DJM-707
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1. SPECIFICATIONS
Audio Section
Input terminal (input level/impedance)
CD 1, 2 ................................................. -14 dBV (200 mV) / 22 k
LINE 1, 2 .............................................. -14 dBV (200 mV) / 47 k
PHONO 1, 2 ............................................. -54 dBV (2 mV) / 47 k
MIC ............................................................. -54 dBV (2 mV) / 3 k
SESSION IN ......................................... -14 dBV (200 mV) / 22 k
RETURN .............................................. -14 dBV (200 mV) / 22 k
Output terminal (output level/impedance)
MASTER OUT 1 (XLR) ................................... 0 dBV (1 V) / 600
MASTER OUT 2 (RCA) .................................... 0 dBV (1 V) / 1 k
BOOTH / SESSION OUT ................................. 0 dBV (1 V) / 1 k
SEND ...................................................... -14 dBV (200 mV) / 1 k
PHONES ................................................ 6 dBV (2 V) / 22
or less
(Rated load impedance 32
)
Frequency characteristics
CD, LINE, MIC ..................................................... 20 Hz to 20 kHz
PHONO (RIAA) .................................................... 20 Hz to 20 kHz
SN ratio
CD, LINE ................................................................. 93 dB or more
PHONO.................................................................... 78 dB or more
MIC ......................................................................... 64 dB or more
Total harmonic distortion rate
CD, LINE .................................................................. 0.02% or less
Cross talk (1 kHz) .................................................... 77 dB or more
Channel equalizer (CD, LINE/PHONO)
HI .......................................................................... +6 dB to -26 dB
MID........................................................................ +6 dB to -26 dB
LOW...................................................................... +6 dB to -26 dB
Microphone equalizer (MIC)
HI ........................................................................ +12 dB to -12 dB
LOW ................................................................... +12 dB to -12 dB
KUCXJ type
Electrical Section, etc.
Power supply voltage ......................................... AC 120 V, 60 Hz
Power consumption ............................................................... 23 W
Operating temperature ................ +5
° C to +35° C (41° F to 95° F)
Operating humidity ....................................................... 5% to 85%
External dimensions ............. 251 (W) x 381.6 (D) x 107.9 (H) mm
9-7/8 (W) x 15 (D) x 4-1/4 (H) in
Weight .................................................................................. 6.3 kg
13 lbs 14 oz
Accessories
¶ Hexagonal Allen driver ............................................................ 1
¶ These operating instructions.................................................... 1
¶ Warranty Card.......................................................................... 1
For improvement purposes, specifications and design may be subject to
modification without notice.
¶ Operating instructions................... x1
¶ Warranty Card............................... x1
(KUCXJ type)
¶ Hexagonal Allen driver..........x1
(DEX1018)
Accessories
WYXJ type
Electrical Section, etc.
Power supply voltage .............................. AC 220-240 V, 50/60 Hz
Power consumption ............................................................... 23 W
Operating temperature ........................................... +5
°C to +35°C
Operating humidity ....................................................... 5% to 85%
External dimensions ............. 251 (W) x 381.6 (D) x 107.9 (H) mm
Weight .................................................................................. 6.3 kg
Accessories
¶ Hexagonal Allen driver ............................................................ 1
¶ These operating instructions.................................................... 1
For improvement purposes, specifications and design may be subject to
modification without notice.
TLTXJ type
Electrical Section, etc.
Power supply voltage ............................... AC 110-240 V,50/60 Hz
Power consumption ............................................................... 23 W
Operating temperature .......................................... +5
°C to +35°C
Operating humidity ......................................................... 5%to 85%
External dimensions ................ 251 (W)x 381.6 (D)x 107.9 (H)mm
Weight .................................................................................. 6.3 kg
Accessories
¶ Hexagonal Allen driver ............................................................ 1
¶ These operating instructions.................................................... 1
For improvement purposes,specifications and design may be subject to
modification without notice.

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