PROGRAMMABLE POLYPHONIC SYNTHESIZER MODEL AXOO SECTION 1 SERVICE MANUAL SECTION 2 PARTS LIST SECTION 3 SCHEMATIC DIAGRAM SECTION 4 SERVICE BULLETIN
6-3. BALANCE OF BBD OUTPUT ON THE CHORUS PC BOARD J2 J3 ICI3 TPI >IC4l > IC5 > ice I > ic9 I IC10 VR2 I BALANCE I kHz AUDIO SIGNAL FROM
VII. PC BOARD TITLES AND IDENTIFICATION NUMBERS VIII. MIDI IMPLEMENTATION CHART MIDI Implementation Chart Version : 1.0 Mode 1 : OMNI ON, POLY Mode 2
SECTION 2 PARTS LIST TABLE OF CONTENTS RECOMMENDED SPARE PARTS LIST 13 1. PC BOARD BLOCK 14 2. VOICE PC BOARD 14 3. CPU PC BOARD 14 4. CHORUS PC BOARD
HOW TO USE THIS PARTS LIST 1. This Parts List lists those parts which are considered necessary for repairs. Other common parts, such as resistors and
RECOMMENDED SPARE PARTS LIST Because, if the parts listed below are on hand, almost any repair can be accomplished, we suggest that you stock these Re
1. PC BOARD BLOCK 2. VOICE PC BOARD 3. CPU PC BOARD REF. NO. 3-1 3-IC7 3-BT1 PART NO. DESCRIPTION EJ-358691 SOCKET IC DILB28P-8J ASSEMBLY BLOCK EI-364
7. POWER SUPPLY PC BOARD REF. NO. 7-IC1 7-IC2 7-IC3 7-IC4 7-TR1.3 7-TR2 7-TR4to6 7-D1 7-D2 7-D3,5, 6,12 7-D4 7-D7 7-D9,11 7-D13 7-VR1 7-FR1.2 7-R1 7-R
ASSEMBLY BLOCK 15 14 I 2 17 SW902 1 ! ' i A(SW90l) 16 -PARTS LIST-
FINAL ASSEMBLY BLOCK 10. ASSEMBLY BLOCK npr £q PART NO. DESCRIPTION 10-1 EW-524845 A AC CORD 2 CORES VM1165B, VFFJ(J) 10-1A EW-358858 A AC CORD 2 CORE
INDEX AX60 -PARTS LIST-
ABBREVIATIONS FOR THE SERVICE MANUAL
AX60 -PARTS LIST-19
MEMO 20
AKAI MODEL AX60 SECTION3 SCHEMATIC DIAGRAM AND PC BOARD TABLE OF CONTENTS 1. POWER PC BOARD , 2. CONNECTION DIAGRAM 3. CONTROL BLOCK DIAGRAM 4. VOICE
3 B CHORUS PCB LI0I2B5030 8 H* •I=PNP TRANSISTOR 8 !•!• m\zHPH TRANSISTOR TRI,2,3,8,I8 --2SK38KC.D) TR3.4.I2,13,16,17 -2SC333O(T,U) TR6,7,II,I3 -2SAI3
LOC AT I ON OF COMPONENTS | IC*f ICI 61 IC2 62 IC3 63 IC4 64 IC5 61 IC6 61 IC7 61 IC8 -—62 IC9 62 IC10— 62 ICII G2 ICI2 62,3 ICI3---G3 ICI4---G3 ICI5
TRI 2SC3400 TR2.3—2SC3383 CPU PCB LI0I2A5020
74HC38 74HC138 74HC139 74LS42 74LS04 74LS05 MN3009 74LS373N TC4066 CEM3394 TC4051 MD62705 MN3101 OUMUBL CTUOPT *n *n
POWER SUPPLY PCB LI0I2B5050 K»J=PNP TRANSISTOR •|=NPN TRANSISTOR i: in o: out 6: 6ND NJM79MI5A M5236L NJM78MI5A 2SB89K0.R) 2SOII89(O,R) 2SC333O(TtU)
SECTION 4 SERVICE BULLETIN O This section describes the information on techniques revisions and troubleshooting for ser vicing and adjusting AX60. O T
MODEL: AX60 No. MS-0008 DATE: March 1986 001 Subject: To improve performance The ROM IC program has been changed to improve the following points. 1.
SAFETY INSTRUCTION SAFETY CHECK AFTER SERVICING Confirm the specified insulation resistance between power cord plug prongs and externally exposed part
MODEL: AX60 INDEX
B C tX60 OPERATION(A) PC8 LI0I2A5040 9»J 81 POWER SUPPLY) LINE B
OPERATION(B) PCB LI0I2A5060 NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS Hi OHMS 1/4WU) ALL CAPACITORS IN mf SOWVO) 2SAI3I7 AX60 OPERATION(A)/(B) SCH
B AX 60 04 MPUT SELCCT |Sj LFOl.t \7\ CHOWS 0*>0FF hj CS8 CSO 100/29! Ml 100/281 Ml —a—t 3— tSS» IT. oi > ICS MN3J0I C CHORUS PCB LI0I2B5030 IBi
61 IKOICATEO VOLTAGES ARE MEASURED AT CHORUS " I" MOOE ® a PULSE NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1/4WO) ALL CAPACITORS
UU: ssssasts 1 'I JD_ II (SAV?1 IVERlfYl iii II h I SAMPLER II m TOCNKt PS 4 OPERATION (A) PCB H0I2A5040 to cvu pci . n cro ret -VCF-3$ -EMVELOPE
H r: \\\\\\\ a * OB®—' -1 -I h 35 C4t O.OOllZl PEDAL SUSTAIN ARPEGGIO EXT SYNC TAPE OUT .. ICI4 (4/« -8 I TC74HC32P ' MEMORY pROTECT CPU PCB
SECTION 1 SERVICE MANUAL TABLE OF CONTENTS I. SPECIFICATIONS 4 II. DISMANTLING OF UNIT 5 1. HOW TO OPEN THE FRONT PANEL 5 2. HOW TO DISMANTLE THE KEYB
<n o o m o CD o ro en o 71 l -2 3 "1 5
I i ) FILTER MOD ID) CV I \ OWAVE 8ELCCT (U) CV I Svcp-I cv Hvca-s cv ^resonance iu) cv Sa-b balance ioi cv OfiXT IM ON/OFF AkOISE IN ON/OFF 1 r r j j
B OPERATION (A) PCB LI0I2A5040 liS ?i« —-— — — —— [operation switchedes "I I I OPERATION (B) PCB LI0I2A5060 CPU PCB LI0I2A5020
0D> p Sen 00OQ TO VOICE PCBP3 TO POWER SUPPLY PCB I TO CHORUS PCBW9 TO VOICE PCB PI I
B OPERATION(B) PCB LI0I2A5060 OPERATION(A) PCB LI0I2A5040 VOICE PCB LI0I2A50I0 CHORUS PCB LIOI2B5O3O I | U/L MIX | 1H4—^, I , oovACfpi ▲ n fuse I I
H POWER SUPPLY PCB LI0I2B5050 AX60 CONNECTION DIAGRAM no.5-1 8602I2A H
I. SPECIFICATIONS MODEL AX60 -SERVICE MANUAL-
2-2. HOW TO DISMANTLE THE KEYBOARD (Refer to Fig. 2-2 and Fig. 2-3) 1) Remove 6 screws on the Bottom plate, and disconnect the connectors PI and P2 on
III. CONTROLS LFO PARAMETER SET-UP KNOBS DEPTH: Sets the modulation intensity SPEED: Sets the modulation frequency. DELAY: Sets the amount of time for
IV. THE KEYBOARD REACTION-SHIP TO EQUALLY TEMPERED SCALE FREQUENCIES AND MUSICAL-NOTATION. -Piano keyboard -oeofE mil ii??° »e?1 PfffTtTT CoD<^oFoG
VI. ADJUSTMENT 6-1. BALANCE OF ± 6V ON THE POWER SUPPLY PC BOARD 1) Connect a Digital DC Voltmeter between Pin [T] (+6V) and Pin 0 (GND) of connector
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