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Owner's Manual
Dec, 2002
TABLE OF CONTENTS
SPECIFICATIONS
LOCATION OF CONTROLS
PARTS LIST OF LOCATION OF CONTROLS
EXPLODED VIEW (TOP)
EXPLODED VIEW (BOTTOM)
WIRING DIAGRAM
KEYBOARD PARTS LIST
PARTS LIST
HOW TO VISUALIZE THE "SYSTEM PROGRAM" VERSION
HOW TO SAVE THE SOFTWARE ON A FLOPPY DISK
HOW TO UPDATE THE SOFTWARE AND/OR TO LOAD THE TEST PROGRAM FROM FLOPPY DISK
CIRCUIT DIAGRAM (MAIN PCB ASSY)
SMART CARD PCB ASSY & CIRCUIT DIAGRAM
CENTRAL CONTR. / LEFT POTENT. / RIGHT POTENT. / PHONE / FREEZE PCB ASSY
CIRCUIT DIAGRAM (CENTRAL CONTR. PCB ASSY)
CIRCUIT DIAGRAM (RIGHT POTENT. / PHONE / FREEZE PCB ASSY)
RIGHT & LEFT CONTACT PCB ASSY & CIRCUIT DIAGRAM
SN00066
K6018496
Discover5
SERVICE NOTES
First edition
Issued by RES
Page
1
2
3
4
5
6
7
7/10
11
11
12
12/15
15
15
16
17
18
19
20
21
22
23
24
25
26
26
27
28
28/29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
43
43
44
Printed in Italy (H00) (AD)
1
Specifications:
Keyboard:
61 Keys Touch Sensitive (TP-7BA)
Sound source:
PCM samples
Max polyphony
64 voices
Tones
1422 on 20 Mbytes PCM Samples
Drum Kits
44 incl. ORIENTAL Drum Set
Multitimbral parts
19
Compatibility
GM2/GS
Display type & controls:
¼ VGA Touch Screen LCD Backlight
Contrast potentiometer
Yes
Panel controls:
Alpha Dial Data/T empo Controller Yes
D-Beam
Yes, with macro settings
Bender
Yes
Modulation
Yes
Master volume
Potentiometer
Keyboard/Song Balance
Potentiometer
Mic Gain
Potentiometer
Voice Level
Potentiometer
Harmony Level
Potentiometer
Effect Level
Potentiometer
Songs:
Realtime Song player
Yes
Mark/Jump
4 programmable locations
SMT: Song Makeup Tools 2 operation modes: Manual and Cover 30
Cover ALL: Original Sound, Acoustic,
Pop1, Rock1, Dance, Classic, Vocal,
Ethnic, Oriental1, Oriental2, Jungle,
etc..18 Cover Drum, 24 Cover Bass
Text Import/Export
Yes
Text to lyrics synchronization Yes
Lyrics on display
Yes
Chords on display
Yes
Minus One
Yes, Programmable
SCE: Song Chord Extractor Yes
User Programs:
128
User Program Finder
Search all User Program Sets
User Program Hold
Tone - Harmonizer
Effects:
8 types
8 types
Multi-FX (Rotary, Distortion..) 47 types
Data Storage:
Smart Media
Yes
FDD 3.5" 2HD/2DD
Yes
Type of files managed
MIDI Song, User Programs, MIDI Sets,
Song Chain, Files.txt
DISASSEMBLY
A
A
A
A
A
A
A
A
A
A
A
A
SELF TAP.SCREW 3.5X13 TC TC code: J2289116
B
SCREW 2.9X10 TC TC PR BRUN code: J2289254
Copyright © 2002 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.
Vocal Harmonizer:
4 programmable macro
Talk, Voice-FX 12 macro, Auto Tune, Singer
2 programm. Harmony mode 30 macro Small, 30 macro Ensemble
Programmable Vocoder mode 24 macro
Voice Effects
Noise Gate, Compressor, 9 Reverb types,
9 Delay types, programmable
Harmony Effects
9 Reverb types, 9 Delay types, 9 Chorus
types, programmable
Other functions:
Interactive DEMO
Yes: Cover, Tones, Harmonizer
Tone Finder
34 families (Categories)
Favourite Tone
16 programmable
Song Finder
Yes, up to 99999 songs
NSR: Next Song Reserve Yes
Keyboard Part
Upper, Lower, MDrums
Fade OUT/IN
Yes, programmable
Octave
Yes, - 4~ +4 separate forUpper-Lower- MDrums
Transpose with SKA:
Singer Key Adapter
Yes, -6 ~ +5
Updating system:
Yes, on Flash
Connections:
MIDI
In, Out, Thru
Output
(L/mono-Right)
Hold Footswitch
Yes
Footswitch
Yes, Programmable
Foot Pedal
Yes
Phones
Yes
Harmonizer Microphone Input Yes
Harmonizer Output
Separate Left-Right or Main Output mixed
Video Output
Composite, Independent Lyrics transmission
Other:
Power Supply
100V - 117V - 230V - 240V
Dimensions (mm):
1184 (W) x 371 (D) x 127 (H) mm
Weight:
12,5 Kg.
Supplied accessories:
Owner's Manual
Yes
Power chord
Yes
Smart Media 64 MB
100 SMFs + 32 SMFs Rhythm
A
A
A
A
A
A
A
A
B
B
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Table of Contents
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Summary of Contents for Roland DisCover 5
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Page 1: Table Of Contents
SCREW 2.9X10 TC TC PR BRUN code: J2289254 Copyright © 2002 by ROLAND CORPORATION SN00066 K6018496 Printed in Italy (H00) (AD) All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION. - Page 2 Discover5 Dec, 2002 LOCATION OF CONTROLS All non indicated LEDs are: LED DIODE 5 L-53 SRD-D / RED code: J5029112 All the switches are: SWITCH TP-1101A / EVQ-PAE 05 R code: J3169105 17 18 19 20 21 22 14 15 16 MEMORY CARD REAR VIEW 44 45...
- Page 3 BUTTON 16X10 DARK GREY (UP) 7773529000 CAP FOR RIGHT VARN. SIDE PANEL DISCOVER5 K2478360 BUTTON 16X10 DARK GREY (PREV) 7773530000 CAP F/ VARN. LEFT SIDE PANEL DISCOVER 5 K2478361 BUTTON 16X10 DARK GREY (NEXT) K2268177 VIBRATION DUMPER COVER LCD HLC/30 K2478362...
- Page 4 Discover5 Dec, 2002 EXPLODED VIEW ( TOP) E 13...
- Page 5 HARMONY PCB ASSY DISCOVER 7773503000 AUDIO PCB ASSY DISCOVER 5 7773513000 XPGS-4 MODULE PCB ASSY DISCOVER 7773502001 MAIN PCB ASSY (EMC) DISCOVER 5 7770105000 MIDI PCB ASSY VA-7/VA-5/VA-76 J2409107 FLOPPY DISK DRIVER JU-257A 907P Screw J2289108 SELF LOCK.SCREW M3X10 TCTC H.6 J2289193 SELF LOCK.SCREW M3X6 TC TC H.6...
- Page 6 Discover5 Dec, 2002 WIRING DIAGRAM LEFT POTENT. MIC/LINE IN VOICE HARMONY PCB ASSY D.BEAM Volume Volume Volume FREEZE CONT. PCB ASSY RIGHT POTENT. POWER PCB ASSY SWITCH INLET PCB ASSY 53014-0610 53014-1010 53014-0810 CN10 53014-0710 CN11 53014-0610 CN10 CN15 53014-0710 53014-0510 53014-0310 SWITCHING...
- Page 7 RIGHT VARN. END-BLOCK DISCOVER 5 7773527000 LEFT VARN. END-BLOCK DISCOVER 5 7773528000 SMART COVER DISCOVER 5 7773529000 CAP FOR RIGHT VARN. SIDE PANEL DISCOVER 5 7773530000 CAP F/ VARN. LEFT SIDE PANEL DISCOVER 5 7773531000 VARN. TOP CABINET DISCOVER 5 7773532000 VARN.+SILK.
- Page 8 Q4, 5 on LCD 7773504000 LEFT CONTROL PCB ASSY DISCOVER 5 15319101 TRANSISTOR 2SC-2412K Q4, 6, 7 on AUD 7773511000 SMART MEDIA CARD PCB ASSY DISCOVER 5 15309101 TRANSISTOR 2SA-1037KR Q7 on MB 7773501000 HARMONY PCB ASSY DISCOVER 5 15129427...
- Page 9 K2678106 POLYETH.ENVELOPE 4OX55 J3439122 8P MALE CONNECTOR P.2 M CN7 on AUD/ CN7 on MB K2618289 OUTER CARTON DISCOVER 5 J3439125 5P MALE CONNECTOR P.2 M CN14 on AUD/ CN5 on HA J3439151 9P MALE CONNECTOR P.2 M CN17 on AUD/ CN1 on HA...
- Page 10 Discover5 Dec, 2002 J2139106 PLASTIC WASHER TH.2 E/D 13 K2158111 METAL NUT FOR MUSIC REST DISCOVER 5 K2168114 LED SPACER H.1.8 E.D.9 00453223 LED SPACER H. 7 E.D. 5 K2168117 LED SPACER H.1.5 D.E.5.5 J2359105 PRESSURE RUBBER SFF-018 02126390 TOUCH SCREEN SENSOR EMU601A2MA16...
- Page 11 Discover5 Dec, 2002 HOW TO SAVE - HOW TO VERSION UP HOW TO SAVE THE SOFTWARE ON A FLOPPY DISK Since Discover5 has a flash memory for the System Program registration, you can update it by floppy disk. Turn the power on by keeping the buttons CHAIN, TOP and FADE OUT/IN pressed. The display visualizes: Items required: **** SYSTEM MENU **** Software Update Disk Discover5...
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Page 12: Test Mode
Discover5 Dec, 2002 HOW TO UPDATE THE SOFTWARE AND/OR TO LOAD THE TEST PROGRAM FROM **** TEST MENU ( 2 / 2 ) **** FLOPPY DISK 1. FLASH Insert the floppy disk containing either the Software program Software Update Disk Discover5 (code: 2. - Page 13 Discover5 Dec, 2002 LCD CHECK Follow the instructions below in order to calibrate the Touch Screen. Touch with a pen the corner of the Touch Screen on the point "+", following the order indicated in the picture Press the button TONE/ USER PROGRAM 3. The display visualizes: above.
- Page 14 Discover5 Dec, 2002 Insert the protected Smart Media card, the display visualizes: Leave the In/Out MIDI cable inserted and connect an external instrument through the Midi Thru socket. If the Midi check is OK, you hear some intermittent sound coming from the external instrument. **** SMARTMEDIA TEST **** Press EXIT to go back to the main menu.
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Page 15: How To Enter Touch Screen Calibration By Software
Discover5 Dec, 2002 HOW TO ENTER TOUCH SCREEN CALIBRATION BY SOFTWARE Put the VOLUME potentiometer at MAX. Pressing the button TONE/USER PROGRAM 1, you hear a sinu wave sound of 100 Hz on the Right and Left Turn the power on by keeping pressed the button VERSE in the MARK JUMP section. outputs. -
Page 16: How To Calibrate The Pitch Bender By Software
Discover5 Dec, 2002 HOW TO CALIBRATE THE PITCH BENDER BY SOFTWARE Turn the power on by keeping the button TOP pressed. After a few seconds, the display visualizes: ------ PITCH BENDER CALIBRATION ----- CENTER POSITION Then Press Fade OUT/IN Key Place the Bender lever at half-stroke and press the button FADE OUT/ IN. -
Page 17: Block Diagram
Discover5 Dec, 2002 BLOCK DIAGRAM +5V +12V -12V MIDI PEDALS HARMONY PCB ASSY FOOT FOOT SUSTAIN THRU PEDAL SWITCH SWITCH AUDIO OUT AUDIO OUT OUTPUT HARMONY XPGS4 PCB ASSY PHOTO BUFFER BUFFER MASTER D.BEAM VOLUME AUDIO IN PCB ASSY MIDI PCB ASSY PHONES PCB ASSY D216;D215;Q16;IC10 MUTE... -
Page 18: Main Pcb Assy
Discover5 Dec, 2002 MAIN PCB ASSY ASSY 7773502001 View from component side View from solder side... - Page 19 Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY) R155 4K7s 4K7s TO XPGS4 B. (CN1) RXD1 IC1C TXD1 UPC4570G TO AUDIO B. -12V CN25 (CN7) 5VREF XRST BCKC BCKC DA204K SDDA1 SDDA OUT_LEFT +12V -12V +12V RXD1 0s NIU EXCCL4532U1 OUTP1 TXD1 OUTP1...
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Page 20: Circuit Diagram (Main Pcb Assy/Beam Control Block) / (Main Pcb Assy/Keyscan Block)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY/ Beam Control. Block) CIRCUIT DIAGRAM (MAIN PCB ASSY/ Keyscan Block) CN16 RA28 AMPC1-2716P 8X10Ks ELKE471FA 33uF25s 100nFs IC10 TP16 SSC1080F0B +12V R117 R118 68KS 12KS TP15 R133 RA27 18KS R116 C166 8X10Ks To LEFT KEYB . -
Page 21: Circuit Diagram (Main Pcb Assy/Memory Bank Block)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY/ Memory Bank Block) IC122 AM29F160DB-75EC DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 R223 BYTE R224 NIU C285 100nFs RY/BY DATA_B US D[0..15] ADDRESS_ B US A[1..20] IC112 LH28F160S5T-70 16MBit FLASH ROM 65ns TSOP 56 pin DQ15 DQ14 DQ13... -
Page 22: Circuit Diagram (Main Pcb Assy/Lcd Contr. Block)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY/ LCD Contr. Block) IC11 1FFFFF 1FFFFF DUAL PANEL BUFFER A[0..21] DUAL PANEL BUFFER AB20 FPDAT14 INK/CURSOR BUFFER AB19 FPDAT15 AB18 FPDAT13 AB17 FPDAT12 INK/CURSOR BUFFER IMAGE BUFFER AB16 FPDAT11 180000 AB15 FPDAT10 AB14 FPDAT9 17FFFF... -
Page 23: Circuit Diagram (Main Pcb Assy/Fdc Block)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY/ FDC Contr. Block) 10Ks XREADY FDS3 10Ks XRDATA FDS2 C120 10Ks 100nFs XWPRT FDS1 C119 10Ks 100nFs IC16 XTRK0 FDS0 TO FDD UNIT PC/AT HD63266-FP-64A XINDEX XINP A[0..1] C124 D[0..7] XINP C123 C125 10Ks XINDEX... -
Page 24: Circuit Diagram (Main Pcb Assy/Sub Cpu Block)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (MAIN PCB ASSY/ Sub CPU Contr. Block) ELKE471FA C117 100nFs C118 IC13 33uF25s M38881M2-058FP ADDRESS BUS SubCpu QFP 64 pin A[0..7] DATA BUS D[0..7] C151 100nFs RA31 8X10Ks XWRL XIPC INTR XIPCINT P16/CTS3 P15/CTS2 P14/CTS1 P13/CLK IC22 P11/INT... -
Page 25: Midi Pcb Assy & Circuit Diagram
Discover5 Dec, 2002 MIDI PCB ASSY & CIRCUIT DIAGRAM ASSY 7770105000 View from component side 1N4148 6N137 L10=L11=L12=SBT0160W YKF51_5046 1N4148 R34 220 5045-08A BC549B 0.1C LSSC13 LSSC13 R35 220 SCD7 SCD7 0.1C 5045-09A SBT0160 W SCD6 SCD6 IC5A IC5B -VCC -VCC HLJ0520_01_110 74LS05... -
Page 26: Audio Pcb Assy
Discover5 Dec, 2002 SMART CARD PCB ASSY ASSY 7773511000 5 V S W 1 5 V S W 2 5 V S W W P S W 1 W P S W 2 XSMWP V S S V C C SMCLEO C L E XSMCEO... -
Page 27: Circuit Diagram (Audio Pcb Assy)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (AUDIO PCB ASSY) DA204K R104 R103 R123 100Ks RK09D111 2SK363GR ADC INPUT NORMAL LEVEL: -15.3dBm 100s (-37dBm in JACK with max volume) R105 SW1A 33pFs SSSF112 ADC INPUT MAXIMUM LEVEL: +2.7dBm 100pFs -VCC R118 Composite Video SSSF11209K R122 CN13... -
Page 28: Right Control Pcb Assy
Discover5 Dec, 2002 RIGHT CONTROL PCB ASSY ASSY 7773505000 View from component side REF5V REF5V REF5V REFGND MODULATION BEND BENDER PARTBAL PART_BAL PMUX0 PMUX0 PMUX1 PMUX1 PMUX2 PMUX2 100nF -VCC AGND 53015-1110 PMUX0 -VCC PMUX1 PMUX2 4051 bcp TO MAIN B. (CN3) -VCC PART BAL... -
Page 29: Circuit Diagram (Right Control Pcb Assy)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (RIGHT CONTROL PCB ASSY) 100nF 53015-1210 SCD0 SCD1 SCD2 SCD3 SCD4 SCD5 SCD6 SCD7 SCD7 SCD7 SCD0 SCD6 SCD6 SCD1 SCD5 SCD2 SCD5 SCD4 SCD3 SCD4 SCD3 SCD3 SCD4 SCD2 SCD2 SCD5 SCD1 SCD6 SCD1 SCD0 SCD7 SCD0... -
Page 30: Left Control Pcb Assy
Discover5 Dec, 2002 LEFT CONTROL PCB ASSY ASSY. 7773504000.. View from component side... -
Page 31: Circuit Diagram (Left Control Pcb Assy)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (LEFT CONTROL PCB ASSY) SCD0 SCD1 SCD2 SCD3 SCD4 SCD5 SCD6 SCD7 LSSC0 LSSC0 SCD0 LSSC1 SCD1 SCD2 SCD3 DBEAM DBEAM CHAIN NEXT MINUS LSSC1 SONG SCD4 ON/OFF ASSIGN LSSC2 SCD5 SCD6 SCD7 AMPC1-2714P SW10 SW11 SW12 SW13... - Page 32 Discover5 Dec, 2002 CENTR. CONTR. PCB ASSY ASSY 7773506000 RIGHT POTENT. PCB ASSY ASSY 7773508000 FREEZE PCB ASSY ASSY 7773510000 PHONE PCB ASSY ASSY 7773509000 View from component side LEFT POTENT. PCB ASSY ASSY 7773507000...
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Page 33: Reverb
Discover5 Dec, 2002 CIRCUIT DIAGRAM (CENTR. CONTR. PCB ASSY) TO RIGHT CONTROL B. (CN8) SCD0 SCD1 LSSC1 SCD2 LSSC0 SCD3 SCD0 SCD1 SCD2 SCD3 SCD4 SCD5 SCD6 SCD7 LSSC3 SCD4 LSSC2 SCD5 SCD6 SCD7 AMPC1-2714P SW19 SW20 SW21 SW22 SW23 SW24 SMF FINDER LYRICS &... -
Page 34: Circuit Diagram (Left Potent. Pcb Assy)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (LEFT POTENT. PCB ASSY) REF5V PART_BAL RK11K113003SA 33uF16 100nF REF5V IC1A MODULATION CN11 M5218AP PART BAL CN10 BEND REFGND AGND BLEU -VCC BRWN IC1B BEND REF5V REFGND BEND REF5V REF5V BEND 53015-0810 CONN_6X1 TO BENDER M5218AP TO RIGHT CONTROL BOARD (CN2) - Page 35 Discover5 Dec, 2002 CIRCUIT DIAGRAM (RIGHT POTENT. PCB ASSY) REF5V RK11K1130A5HA 100nF REF5V VOICE IC11A UPC4570C RK11K1130A5HA VOICE HARMONY HARMONY TO RIGHT CONTROL B. EFFECTS RK11K1130A5HA IC11C (CN3) UPC4570C EFFECTS 100nF 53015_0510 RK11K113003SA IC11B UPC4570C 53015-0710 TO AUDIO B. 33uF16 (CN1) 100nF MIC SENS...
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Page 36: Module Xpgs-4 Pcb Assy
Discover5 Dec, 2002 MODULE XPGS-4 PCB ASSY ASSY 7773513000 N N o o t t e e : : Replacement should be made on a unit basis. No replacements available for individual parts. Replacement only be a unit. View from component side View from solder side... -
Page 37: Circuit Diagram (Xpgs-4 Pcb Assy / Section 1)
Discover5 Dec, 2002 CIRCUIT DIAGRAM ( XPGS-4 PCB ASSY/ Section 1) 4X10Ks 100nFs 330uF6_3s BK2125HM102 BK2125HM102 AMPC1-2716P BK2125HM102 BCKC XRST BK2125HM102 DGND SDDA1 SDDA2 DGND OUTP1 256FS DGND DGND RXD0 TXD0 TXD1 RXD1 TXD0 RXD0 TO MAIN BOARD (CN29) 4X100s 22pFs 10uF16s ELKS471FA... -
Page 38: Circuit Diagram (Xpgs-4 Pcb Assy / Section 2)
Discover5 Dec, 2002 CIRCUIT DIAGRAM ( XPGS-4 PCB ASSY/ Section 2) EXCCL4532U1 EXCCL4532U1 PQ3DZ53U EXCCL4532U1 10uF16s 100nFs 100nFs 100nFs 100nFs 100nFs 100nFs 100nFs 100nFs 100nFs 10uF16s 100nFs EXCCL4532U1 Regulator 10uF16s (3.3V/0.5A) EXCCL4532U1 10uF16s 100nFs 100nFs 100nFs 100nFs 100nFs 1uFs 10uF16s 10uF16s 100nFs 100nFs... -
Page 39: Primary Pcb Assy & Circuit Diagram
Discover5 Dec, 2002 PRIMARY PCB ASSY & CIRCUIT DIAGRAM ASSY 7773512000 Vout = +/- 12V dc SAFETY PRECAUTIONS: Iout+vcc = 0.25 A dc Iout-vcc = 0.15 A dc The parts marked have safety-related characteristics. uA7812CV Use only listed parts for replacement. +12V View from component side 100uF16... -
Page 40: Harmony Pcb Assy
Discover5 Dec, 2002 HARMONY PCB ASSY ASSY 7773501000 View from component side... -
Page 41: Circuit Diagram (Harmony Pcb Assy/Section 1)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (HARMONY PCB ASSY/Section 1) IC11 EXCML20A@ TA7805F 1.VA+ 2.AGND 3.VA- 100/16 4.AGND 100/16 5.VCC 6.VCC 7.DGND EXCML20A@ 8.DGND 9.DGND 100/16 53014-0910 R201 To AUDIO B. 10/16 5.6k 330/6.3 EXCML20A@ (CN17) IC14A UPC4570G 10/16 6.8k 10/16 IC14B UPC4570G INPUT IMP... -
Page 42: Circuit Diagram (Harmony Pcb Assy/Section 2)
Discover5 Dec, 2002 CIRCUIT DIAGRAM (HARMONY PCB ASSY/Section 2) D 3. 3 D 3. 3 C139 C140 C143 C144 10/16 10/16 10/16 10/16 C141 C142 10/16 10/16 10/16 10/16 CN102 100k A[0..19] (TEST PIN) R505 D[0..15] for Test Mode 100/16 RY/BY# EXBV8V@JV LH28F400BVE-BL85@... -
Page 43: Lcd Control Pcb Assy & Circuit Diagram
Discover5 Dec, 2002 LCD CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7770101001 From CN27 on MAIN BOARD +12V 53014 -1310 XSLC 2SC1815GR DISPON TO graphic L CD 2SC1815GR B7B-PH-K- S 53014 -0310 52043 -0410 TOUCH3 TOUCH2 -12V RANGE +19.5V - +24.9 V TOUCH0 OPTIMAL VALUE AROUND +20.7V TOUCHY... - Page 44 Discover5 Dec, 2002 RIGHT & LEFT CONTACT PCB ASSY w/RUBBER ASSY 7624508000 View from solder side CIRCUIT DIAGRAM (RIGHT CONT. PCB ASSY) CIRCUIT DIAGRAM (LEFT CONT .PCB ASSY)