Pioneer DJm-909 Service Manual

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 2003
PHONO 1
/LINE 1
+
9
+
12-12
+
6-26
+
12-12
TRIM
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
FOOT SW POWER
PHONES
CH-1 SEND CH-2 SEND
HI
+
6-26
MID
+
6
MAXMIN
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
-26
LOW
TAP TAP
TIME/SELECT
MIX/DEPTH
EFFECT EFFECT
MAXMIN
TIME/SELECT
MIX/DEPTH
EQ
CD 1
BANK 3
FX ADJ. FX ADJ.
BANK
EDIT
BANK
EDIT
FADER
CURVE
FADER
CURVE
–
PHONO 2
/LINE 2
+
9
+
6-26
TRIM
HI
+
6-26
MID
+
6-26
LOW
EQ
CD 2
–
0
–
BOOTH/SESSION OUT
0
–
PHONES
SELECT
CH-1 CH-2
0
–
0
–
0
–
OFF
ON
LOCK ON
21
PROFESSIONAL 2CHANNEL MIXER
DJM-909
MIC LEVEL
CH-1 FADER START
C.F.1 FADER START
CH-2 FADER START
C.F.2 FADER START
OFF OFF
ON
ON
MASTER LEVEL
EFFECT
CUE
MASTER
CH-1MIC
BANK 2
BANK 1 BANK 1
BANK 2
BANK 3
DJM-909
RRV2871
DJ MIXER
DJM-909
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks
DJM-909 KUCXJ AC120V
DJM-909 WYXJ AC220 - 240V
DJM-909 TLTXJ AC110 - 240V
For details, refer to "Important symbols for good services" .
T-ZZY DEC. 2003 printed in Japan

Pioneer DJm-909 Specifications

Audio Input Specifications

CD input level	-14 dBV (200 mV)
CD input impedance	22 kΩ
LINE input level	-14 dBV (200 mV)
LINE input impedance	22 kΩ
PHONO input level	-54 dBV (2 mV)
PHONO input impedance	47 kΩ
MIC input level	-54 dBV (2 mV)
MIC input impedance	3 kΩ
SESSION IN input level	-14 dBV (200 mV)
SESSION IN input impedance	22 kΩ
RETURN input level	-14 dBV (200 mV)
RETURN input impedance	22 kΩ

Audio Output Specifications

MASTER OUT 1 output level	0 dBV (1 V)
MASTER OUT 1 impedance	600 Ω
MASTER OUT 2 output level	0 dBV (1 V)
MASTER OUT 2 impedance	1 kΩ
BOOTH / SESSION OUT output level	0 dBV (1 V)
BOOTH / SESSION OUT impedance	1 kΩ
SEND output level	-14 dBV (200 mV)
SEND impedance	1 kΩ
PHONES output level	6 dBV (2 V)
PHONES impedance	22 Ω or less

Audio Performance

Frequency characteristics for CD, LINE, MIC	20 Hz to 20 kHz
Frequency characteristics for PHONO (RIAA)	20 Hz to 20 kHz
SN ratio for CD, LINE	93 dB or more
SN ratio for PHONO	78 dB or more
SN ratio for MIC	64 dB or more
Total harmonic distortion rate for CD, LINE	0.02% or less
Cross talk	77 dB or more

Equalizer Specifications

Channel equalizer HI	+6 dB to -26 dB
Channel equalizer MID	+6 dB to -26 dB
Channel equalizer LOW	+6 dB to -26 dB
Microphone equalizer HI	+12 dB to -12 dB
Microphone equalizer LOW	+12 dB to -12 dB

Electrical and Physical Specifications

Power supply voltage	AC 120 V, 60 Hz
Power consumption	31 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
Weight	6.5 kg

Summary

SAFETY INFORMATION

WARNING

Product contains lead solder and chemicals known to cause cancer, birth defects, or reproductive harm.

1. SAFETY PRECAUTIONS

Essential checks for customer and technician protection, including leakage current test.

2. PRODUCT SAFETY NOTICE

Highlights special safety characteristics of electrical/mechanical parts and the importance of using specified replacement components.

1. SPECIFICATIONS

[KUCXJ type]

Electrical specifications, power supply, consumption, dimensions, and accessories for the KUCXJ model.

[WYXJ type]

Electrical specifications, power supply, consumption, dimensions, and accessories for the WYXJ model.

[TLTXJ type]

Electrical specifications, power supply, consumption, dimensions, and accessories for the TLTXJ model.

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

Overall block diagram and specific diagrams for DSP/LCD, C1BF, C1EQ, MICB, C2BF, C2EQ assemblies.

3.2 OVERALL CONNECTION DIAGRAM

Visual representation of how various internal assemblies connect to each other within the unit.

3.3 MAIN ASSY (1/6)

• MIX AMP. BLOCK

Schematic detailing the Mix Amplifier block, including signal routing and component connections.

3.11 C1EQ ASSY (1/2)

CH1 EQ Low ADJUSTMENT

Procedure for adjusting the low frequency equalization for CH1 Lch and Rch signals.

CH1 EQ Mid ADJUSTMENT

Procedure for adjusting the mid-frequency equalization for CH1 Lch and Rch signals.

CH1 EQ Hi ADJUSTMENT

Procedure for adjusting the high-frequency equalization for CH1 Lch and Rch signals.

3.13 C2EQ ASSY

CH2 EQ Low ADJUSTMENT

Procedure for adjusting the low frequency equalization for CH2 Lch and Rch signals.

CH2 EQ Mid ADJUSTMENT

Procedure for adjusting the mid-frequency equalization for CH2 Lch and Rch signals.

CH2 EQ Hi ADJUSTMENT

Procedure for adjusting the high-frequency equalization for CH2 Lch and Rch signals.

6. ADJUSTMENT

6.1 ADJUSTMENT REQUIRED WHEN THE SET IS REPAIRED OR REPLACED

Details adjustments needed for DSP and C1EQ assemblies after repair or replacement.

6.2 CH1 OFFSET ADJUSTMENT

7. GENERAL INFORMATION

7.1 DIAGNOSIS

Provides information on diagnostic procedures, including service mode operations.

7.1.1 SERVICE MODE

2. Display Check Mode

Explains how to enter and use Display Check Mode to verify button inputs and display functions.

3. Setup mode

4. Initial Setting mode for the noncontact fader

Describes the procedure for initial setting of the noncontact fader to ensure correct crossfader signals.

7.1.2 Rewriting of the Software

• Connection diagram of rewriting the program for the system control microcomputer

Illustrates the connection setup for rewriting the system control microcomputer program.

• Connection diagram of rewriting the program for the LCD microcomputer

Illustrates the connection setup for rewriting the LCD microcomputer program.

7.1.5 DISASSEMBLY

Diagnosis of MAIN Assy

Details steps to diagnose the MAIN Assy by removing the bottom plate and control panel.

1 Diagnosis of Fader Section

Guides on disassembling the fader section, including removing knobs, screws, and the control panel.

8. PANEL FACILITIES AND SPECIFICATIONS

Front Panel Controls Overview

Detailed explanation of all front panel controls, buttons, dials, and indicators.

Rear Panel Controls Overview

Explanation of rear panel connectors, switches, and jacks.