Pioneer EFX-500 Service Manual
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Pioneer EFX-500 Service Manual

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EFFECTOR
EFX-500
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
EFX-500
KUC
O
WY
O
RL
O
CONTENTS
1. SAFETY INFORMATION .................................... 2
3. SCHEMATIC DIAGRAM ..................................... 8
4. PCB CONNECTION DIAGRAM ....................... 20
5. PCB PARTS LIST ............................................. 28
6. ADJUSTMENT .................................................. 30
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
INPUT LEVEL
OVER
MIN
DELAY
BEAT
EFFECTS
ON
OFF
ON
MONITOR
MIN
MAX
Power Requirement
AC120V
AC220 - 240V
AC110 - 120V/AC220 -240V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
ISOLATOR
LOW
MID
HI
OVER
ON
LOCK
OFF
ON
∞
∞
∞
MAX
-
+6dB
-
+6dB
-
+6dB
EFFECT TIME
BPM COUNTER
DIGITAL JOG BREAK METER
100
80
60
40
20
0
20
40
60
80
AUTO
MIDI
mSec
TAP
BPM
0
10
20
30
40
50
60
70
80
90
ECHO
PAN
FLANGER
TRANS
JET
ZIP
WAH
RING
EFFECT FREQUENCY
JOG MEMORY
M
PLAY
HOLD
LOW
MID
HI
DEPTH
DEPTH
LOCK
LOCK
ON
OFF
ON
1/1
MIN
MAX
MIN
MAX
BPM
MODE
TIME/
BPM
TAP
/
SHIFT
MIX
ORIGINAL
EFFECT
The voltage can be converted by
the following method.
With the voltage selector
7. GENERAL INFORMATION .............................. 31
7.1DIAGNOSIS ................................................. 31
7.1.1 DISASSEMBLY ................................. 31
7.1.2 TEST MODE ..................................... 34
7.2 BLOCK DIAGRAM ...................................... 36
EFFECT OUT LEV
MIN
MAX
100
100
FUZZ
DIGITAL
JOG BREAK
ORDER NO.
RRV2082
T - ZZY DEC. 1998 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1998 T –...

  • Page 2: Safety Information

    For the latest information, always consult the current Also test with plug reversed PIONEER Service Manual. A subscription to, or ad- (Using AC adapter ditional copies of, PIONEER Service Manual may be plug as required) obtained at a nominal charge from PIONEER.

  • Page 3: Exploded Views And Parts List

    EFX-500 2. EXPLODED VIEWS AND PARTS LIST NOTES : Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 4 EFX-500 2.2 EXTERIOR (1/2)
  • Page 5 EFX-500 (1) EXTERIOR (1/2) PARTS LIST Mark No. Description Part No. MAIN BOARD ASSY DWX1907 TRANS BOARD ASSY DWR1304 POWER BOARD ASSY See Contrast table(2) REG BOARD ASSY DWX1910 MIDI BOARD ASSY DWX1911 Cord stopper See Contrast table(2) 22P F.F.C/60V...
  • Page 6 EFX-500 2.2 EXTERIOR (2/2) The parts With marking is an attached parts of No.8...
  • Page 7 EFX-500 (1) EXTERIOR (2/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 7SEG BOARD ASSY DWG1504 Rotary VR knob G DAA1133 SOUSA BOARD ASSY DWG1505 Rotary VR knob GY DAA1139 JOG BOARD ASSY DWX1908 Rotary VR knob GG DAA1140 HP.

  • Page 8: Schematic Diagram

    EFX-500 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM MAIN BOARDASSY (DWX1907) 1/3 - 3/3 ) SOUSA BOARDASSY (DWG1505) 1/2 , 2/2 ) 7 SEG BOARDASSY JOG BOARDASSY HP. BOARDASSY (DWG1504) (DWX1908) (DWX1909)
  • Page 9 WY: AC220 - 240V 50/60Hz INPUT FREQUENCY 1kHz RL: AC110 - 120V/220 - 240V 50/60Hz INPUT VOTAGE 0.5V EFX-500 Seting INPUT LEVEL BEAT EFFECTS SW OFF, DELY,1/1, LOW ON, MID ON, HI ON DEPTH (MID Center) MIX (MID Center) JOG EFFECTS...
  • Page 10 EFX-500 3.2 MAIN (1/3) BOARD ASSY MAIN BOARD ASSY (1/3) (DWX1907) IC302 (NJM2100M) Voltage [ V ] Voltage [ V ] 2.0 - 3.0 2.42 2.44 2.42 2.44 2.0 - 3.0 IC301 (NJM4558MD) 4.88 Voltage [ V ] Voltage [ V ] IC303 (NJM2100M) -1.0 - 1.0...
  • Page 11 EFX-500 IC203 (NJM4580M) IC205 (NJM4580M) Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] -1.5 - 1.5 -0.5 - 0.5 -1.5 - 1.5 -0.5 - 0.5 GAIN SELECTOR -0.5 - 0.5 -0.5 - 0.5 -0.5 - 0.5...
  • Page 12 EFX-500 3.3 MAIN (2/3) BOARD ASSY IC402 (MB814800-70PJ) Voltage [ V ] Voltage [ V ] Voltage [ V ] 4.74 0 - 5 0 - 5.0 0 - 5 0 - 5.0 0 - 5.0 0 - 5 0 - 5.0 0 - 5.0...
  • Page 13 EFX-500 IC403 (AK4520A) IC405(SRM2B256SLMX70) Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] 4.88 0 - 5 4.88 0 - 5.0 0 - 5 0 - 5.0 0 - 5 0 - 5.0...
  • Page 14 EFX-500 3.4 MAIN (3/3), REG, TRANS and POWER BOARD ASSY CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAM ETYPE NO.ICP-N5 FIRE.
  • Page 15 EFX-500 Power Transformer KUC: DTT1152 • NOTE FOR FUSE REPLACEMENT WY: DTT1154 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, CAUTION - REPLACE WITH SAME TYPE AND RATINGS OF FUSE. KUC: VEK1009: 500mA/125V WY: AEK1048: T250mA/L250V CABLE HOLDER 51052-0500 POWER BOARDASSY...
  • Page 16 EFX-500 3.5 SOUSA (1/2) BOARD ASSY IC701 (PE5021A) Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] 2.90...
  • Page 17 EFX-500 IC702 (LB1740) IC704 (TC74HC174AF) IC705 (TC74HC174AF) Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] Voltage [ V ] 0 - 5.0 0 - 5.0 0 - 3.0 4.79...
  • Page 18 EFX-500 2.5 SOUSA (2/2), MIDI, 7SEG and HP. BOARD ASSY IC603 (BU4066BCF) Voltage [ V ] Voltage [ V ] 4.74 4.74 4.74 4.97 MIDI SW LEVEL H - SLEW 4.97 4.97 L - OUTPUT 4.97 STBY (ANALOG SW) STBY...
  • Page 19 EFX-500 CN702 7SEG BOARD ASSY (DWG1504) CN703 HP. BOARD ASSY (DWX1909)

  • Page 20: Pcb Connection Diagram

    EFX-500 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS: 3. The parts mounted on this PCB include all necessary parts 1. Part numbers in PCB diagrams match those in the schematic for several destination. diagrams. For further information for respective destinations, be sure 2.
  • Page 21 EFX-500 4.2 MIDI and 7SEG BOARD ASSY MIDI BOARD ASSY J201 SIDE A (DNP1878-B) MIDI BOARD ASSY SIDE B IC601 IC603 IC602 (DNP1878-B) 7SEG BOARD ASSY CN702 CN703 SIDE A (DNP1877-B) 7SEG BOARD ASSY SIDE B (DNP1877-B)
  • Page 22 EFX-500 4.3 MAIN and REG BOARD ASSY SIDE A MAIN BOARD ASSY CN605 CN701 (DNP1877-B) REG BOARD ASSY (DNP1878-B) Q302 IC301 IC303 Q407 Q405 IC403 Q208 Q210 IC205 IC13 IC12 Q209 Q203 Q204 Q206 IC302 IC403 IC406 Q401 Q211 IC203...
  • Page 23 EFX-500 SIDE B MAIN BOARD ASSY REG BOARD ASSY (DNP1877-B) (DNP1878-B)
  • Page 24 EFX-500 4.4 SOUSA, 7SEG and H.P BOARD ASSY SOUSA BOARD ASSY CN901 CN902 SIDE A CN201 (DNP1878-B) (DNP1878-B) H.P BOARD ASSY...
  • Page 25 EFX-500 N902 SIDE A (DNP1878-B) JOG BOARD ASSY...
  • Page 26 EFX-500 SOUSA BOARD ASSY SIDE B Q714 Q728 IC705 Q725 Q723 Q722 Q718 Q712 Q711 Q708 Q724 Q708 Q705 Q713 Q709 Q715 IC701 (DNP1878-B) JOG BOARD ASSY...
  • Page 27 EFX-500 SIDE B Q717 Q719 Q720 IC704 (DNP1878-B) Q707 Q721 H.P BOARD ASSY (DNP1878-B)

  • Page 28: Pcb Parts List

    EFX-500 5. PCB PARTS LIST NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. ÷ The mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 29 EFX-500 Mark No. Description Part No. Mark No. Description Part No. SWITCHES AND RELAYS OTHERS S301 DSH1025 (HOLDER 5P) 51048-0500 CN201 (FFC CONNECTOR 22P) 52045-2245 CAPACITORS J201 (JUMPER WIRE 5P) D20PYY0505E C233, C238, C281, C282 CCSQCH101J50 JA301 (MIC JACK) DKN1189 C301–C304, C327–C330, C438...

  • Page 30: Adjustment

    EFX-500 Mark No. Description Part No. Mark No. Description Part No. Q717–Q727 2SC2412K MIDI BOARD ASSY Q707–Q716 2SD2114K Q701, Q703, Q705 DTC124EK D701–D705, D707–D711 1SS355 SEMICONDUCTORS D745–D747, D776–D782, D784 BR5064X IC603 BU4066BCF IC602 PC900V D792–D794 BR5064X IC601 TC74HCU04AF D749, D751, D758, D760, D762 BR5074X D601–D603...

  • Page 31: General Information

    EFX-500 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY BOTTOM SECTION CN201 FUNCTION SECTION (1) Rotary Knob (TIME/BPM) Rotary Knob Rotary (DEPTH) Rotary Knob Knob (M9) (LOW, MID, HI) (MIX) Rotary Knob (EFFECT OUT LEV) Jog Dial Nut (M9) Jog Washer...
  • Page 32 EFX-500 FUNCTION SECTION (2) SOUSA BOARD ASSY Screw × 21 SOUSA BOARD ASSY Earth Lead Unit 4 x2 4 x2 4 x2 Binder Earth Plate Hook Earth Lead Unit Hook 4 x2 JOG BOARD ASSY HP. ASSY FUNCTION SECTION (3)
  • Page 33 EFX-500 FUNCTION SECTION (4) Volume Exchange Method (2/2) 7SEG BOARD ASSY VR Angle B Earth Lead Unit VR Angle A S702 VR705 S704 S701 VR801 VR704 VR706 VR707 VR702 VR701 S703 VR703 S901 SOUSA BOARD ASSY HP. ASSY JOG BOARD ASSY...

  • Page 34: Test Mode

    EFX-500 7.1.2 TEST MODE 1. Entry into Test Mode Switch on the power while pressing 1/4 and 1/1 of the beat switch. (Refer to Fig 1) ¶ With correct entry into test mode, "F ." is displayed on the BPM display.
  • Page 35 EFX-500 3.3 Mode 3 Mode 3 is reached by the following operations A and B. A. When the BPM switch is pressed in mode 2. At this time, "0000" is displayed on the time display, and "000" is displayed on the BPM display.

  • Page 36: Block Diagram

    EFX-500 7.2 BLOCK DIAGRAM...

  • Page 37: Panel Facilities And Specifications

    EFX-500 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES INPUT LEVEL EFFECT OUT LEV ISOLATOR OVER OVER LOCK ∞ ∞ — — ∞ — +6dB +6dB +6dB DIGITAL JOG BREAK METER EFFECT TIME BPM COUNTER AUTO MIDI mSec DELAY ECHO...
  • Page 38 EFX-500 NAMES OF PARTS AND FUNCTIONS DIGITAL JOG BREAK METER Tap button (TAP/SHIFT) Indicates the amount of control applied with the Jog dial. BPM can be input manually by tapping the TAP button two times or more in time with the beat (quarter note).

  • Page 39: Specifications

    EFX-500 8.2 SPECIFICATIONS 1. General 3. Input/Output terminals Power supply ........KUC : 120 V AC, 60 Hz Audio line output terminal ..........WY : 220 - 240V AC, 50/60Hz RCA pin jacks ..............2 ......RL : 110 - 120/ 220 - 240V AC, 50/60Hz Phone jacks (1/4-inch/6.3 mm in diameter) ....

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