KORG TR88
SERVICE MANUAL
TABLE OF CONTENTS
ASSEMBLY SKETCH (HOOKUP): 2
BLOCK DIAGRAM: 3
SCHEMATIC DIAGRAM: 4-14
TEST MODE:15
PARTS LIST: 16-18
Issued Jun.29, 2006
Ver1
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７ ８ ９
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Ｄｅｍｅｎｓｉｏｎｓ：Ｌ＝１４１４．０ｍｍ
Ｗ＝ ３６４．７ｍｍ
Ｈ＝ １２３．２ｍｍ
Ｗｅｉｇｈｔ ：２３．８ｋｇ
ＮＯ．
ＰＡＲＴ ＣＯＤＥ
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５００６２００２６８００
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５００６４６１００７００
４
５００６２００４０７００
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５００６４６１００６００
５００６４１０４１６５１
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５００５５００２３５００
５００６３００３４２００
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８
５００６４６１００４００
９
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ＰＡＲＴ ＮＡＭＥ
Ｘ−９５２ ＰＯＷＥＲ ＳＷ ＫＮＯＢ Ｅ４０３０４−２
Ｘ−４１０ ＳＶＲ ＫＮＯＢ（ＧＲＡＹ）Ｅ４０２３９−３
Ｘ−４１６０ ＫＮＯＢ ＢＬＯＣＫ Ｂ−２ Ｅ１０１９１−４
ＫＮＯＢ Ｐ４２３−９０Ｆ（Ｘ９１００）Ｅ４０５１９−１
Ｘ−４１６０ ＫＮＯＢ ＢＬＯＣＫ Ｂ−１ Ｅ１０１９１−３
Ｘ−０１８０ ＲＥＡＲ ＯＰ ＣＯＶＥＲ Ｃ４１２２４
Ｘ−５１１０ ＲＥＡＲ ＯＰ ＣＯＶＥＲ ＳＨＥＥＴ Ｆ４１２５５
Ｘ−０１８０ ＬＣＤ ＷＩＮＤＯＷ Ｆ４０９６２
Ｘ−６１０ ＥＮＣＯＤＥＲ ＫＮＯＢ Ｅ４０４６６−３
Ｘ−４１６０ ＫＮＯＢ ＢＬＯＣＫ Ａ−１ Ｅ２０２１１−３
ＱＴＹ
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４
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１
１
１
１
ＮＯ．
ＰＡＲＴ ＣＯＤＥ
５００６４６１００５００
１０
５００６４５０５５１７８
１１ １
５００６４５０５５１７９
１２
５００４２０００７００２
１３
５００６４６０９９９５１
１４
５００５０００３３２００
１５
５００６４１０４２００３
１６
５００６４１０４１７５０
１７
５００６４１０４１７４９
１８
５００６４５０５３２９８
１９
５００６４１０４１９３７
２０
Ｘ−４１６０ ＫＮＯＢ ＢＬＯＣＫ Ａ−２ Ｅ２０２１１−４
Ｘ−５１３０ ＳＩＤＥ ＰＬＡＴＥ Ｌ Ｄ３０２５４−３
Ｘ−５１３０ ＳＩＤＥ ＰＬＡＴＥ Ｒ Ｄ３０２５４−４
８８ＮＯＴＥ ＴＰ／４１＋ＰＣＢ＋ＡＦＴＨ
Ｘ−５１３０ ＪＳ ＰＡＮＥＬ Ｅ２０２２０−２
ＣＡＳＥ ＬＥＧ Ｋ−２３
Ｘ−５１３０ ＦＲＯＮＴ ＢＡＲ Ｃ３０５９０−２
Ｘ−２１１０ ＳＩＭＭ ＣＯＶＥＲ Ｃ４１２７３
Ｘ−２１１０ ＯＰ ＣＯＶＥＲ Ｃ３０５９１
Ｘ−２１１０ ＢＯＴＴＯＭ ＢＯＡＲＤ Ｄ１００８２
Ｘ−５１３０ ＰＡＮＥＬ Ｃ１０２４０−２
ＰＡＲＴ ＮＡＭＥ
ＱＴＹ
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NB
NB
R
b
TR61/TR76/TR88 TEST MODE
How to start the test mode
ENTER+5+POWER ON : FULL TEST(61/76Key)
MENU+5+POWER ON : FULL TEST(88Key)
ENTER+2+POWER ON : OMIT THE INERNAL TEST
How to operate the test mode
ENTER : PROCEED THE TEST
VALUE▲ : ITEM UP
VALUE▼ : ITEM DOWN
FF : STEP UP
REW : STEP DOWN
NOTE:
When the test mode starts, the calibration values of Joystick and Aftertouch are reset.
When the test mode is proceeded in order, please take the calibration at each item.
While operating the internal test, turning the Rotary encoder enables you to adjust the
contrast of the LCD but the indication might not appear since the data update of the
contrast cannot follow on time. So when adjusting the contrast, please do that after
finishing the internal test.
*Conditions when starting the test mode
-Use a write-protected SD_CARD.
1/3
KORG TR88 Parts List
Part Name
500304050220
DTR
DTC114ESA TP
KLM2278/79/80/81
8
500304050270
DTR
DTB113ZSTP
KLM2278/79/80/81
8
500312053100
LED
NSPW510BS
KLM2278/79/80/81
1
500314010300
D
1S2076TD
KLM2278/79/80/81
8
500314028800
LED
SLZ-190B-09-T2
KLM2278/79/80/81
4
500314031000
LED
SLR-325VR-T31-K/L/M/N
KLM2278/79/80/81
20
500314032000
LED
SPR-325MVWT31 L/M/N
KLM2278/79/80/81
1
500314032100
D
RD6.8ES T1 AB1
KLM2278/79/80/81
1
500320004108
IC
HD74HC138P
KLM2278/79/80/81
2
500362009007
VR
RK11K1140A9L
KLM2278/79/80/81
4
500365009500
VR
EWA NA0C10B14
KLM2278/79/80/81
1
500370005000
SW
EC11B15204A5
KLM2278/79/80/81
1
500374000600
SW
EVQ11A09K
KLM2278/79/80/81
54
500402002800
BEADS
2943-666671
KLM2278/79/80/81
2
500450003100
PHONE JACK
LGR4609-7000
KLM2278/79/80/81
1
500471101060
CONNECTOR
SC25-06WS
KLM2278/79/80/81
1
500471102030
CONNECTOR
SJ20-03WX
KLM2278/79/80/81
1
500471102080
CONNECTOR
SJ20-08WX
KLM2278/79/80/81
2
500471102120
CONNECTOR
SJ20-12WX
KLM2278/79/80/81
2
500471102130
CONNECTOR
SJ20-13WX
KLM2278/79/80/81
1
500471102140
CONNECTOR
SJ20-14WX
KLM2278/79/80/81
1
500471102150
CONNECTOR
SJ20-15WX
KLM2278/79/80/81
2
500575019700
LED SPACER
LH-5-5 L=5MM
KLM2278/79/80/81
1
500362009052
VR
RK11K1140D1H
KLM-2304/05
2
500472060301
CONNECTOR
S3B-EH
KLM-2304/05
1
500472060401
CONNECTOR
S4B-EH
KLM-2304/05
1
500314001300
D
1SS-133 T-77
KLM-2331/32
4
500320009001
IC
NJM-4558D-V
KLM-2331/32
2
500350002422
TRIM VR
RH0615CJ5J
KLM-2331/32
2
500350002447
TRIM VR
RH0615CS5J
KLM-2331/32
2
500472070701
CONNECTOR
S7B-PH-K-S
KLM-2331/32
1
500474019700
CONNECTOR
76382-404
KLM-2331/32
2
500320003217
IC
TMP87C847U-4458
KLM-2387
1
500324009058
IC
NJU7662M-TE1
KLM-2387
2
500335400140
CERA. RESONATOR
CSTCC8M00G53-R0
KLM-2387
1
500404001070
INDUCTOR
BLM18BD102SN1D
KLM-2387
6
500471102030
CONNECTOR
SJ20-03WX
KLM-2387
1
500471102040
CONNECTOR
SJ20-04WX
KLM-2387
1
500471102070
CONNECTOR
SJ20-07WX
KLM-2387
1
500471102080
CONNECTOR
SJ20-08WX
KLM-2387
1
500474019600
CONNECTOR
2-215079-0
KLM-2387
2
500304020230
TR
2SC3661-TA/TB(3K)
KLM-2676
10
500304020400
TR
2SA1576A T106
KLM-2676
1
500304050490
FET
CPH6316-TE-E
KLM-2676
1
500314001400
D
RLS-73 TE-11
KLM-2676
1
500314030500
D
RB160L-40TE25
KLM-2676
2
500314030600
D
1SR154-400TE25
KLM-2676
1
500314030700
D
RB051L-40TE25
KLM-2676
1
500315000500
D
MC2840-T12-1
KLM-2676
5
500320004681
IC
HD6437043AA21FV(X-0180)
KLM-2676
1
500320012223
IC
MB87F1710PFV-G-BND
KLM-2676
1
500324006007
IC
MSM5118165F-60J3R1
KLM-2676
3
500320012350
IC
MB29F160BE70TN-K(X5110L)
KLM-2676
1
500320012351
IC
MB29F160BE70TN-K(X5110H)
KLM-2676
1
500320040114
IC
MX23L25611MC-12G(X-5110L)
KLM-2676
1
500320040115
IC
MX23L25611MC-12G(X-5110H)
KLM-2676
1
500320011250
IC
M66291GP
KLM-2676
1
500324036016
IC
PCM1781DBQR
KLM-2676
2
Part No.
Note QTY
200033272278 KLM-2278/79/80/81 LE TR (ASS'Y) (1)
200033272304 KLM-2304/2305 JOYSTIC (ASS'Y) (1)
200036072331 KLM-2331/32 TRITON LE88/TR88 (ASS'Y) (1)
200036072387 KLM-2387 TRITON LE88/TR88 (ASS'Y) (1/4)
200056632676 KLM-2676 TR88 (ASS'Y) (1)
2/3
Part Name
500324021160
IC
NE5532DR
KLM-2676
4
500324003010
IC
TC7WU04F TE12L
KLM-2676
1
500324007011
IC
BA09FP-E2
KLM-2676
1
500324007012
IC
BA033LBSG2-TR
KLM-2676
1
500324011004
IC
M5216FP-600C
KLM-2676
1
500324017014
IC
RN5VD45AA-TR
KLM-2676
1
500324021168
IC
SN74LVC1G04DCKR
KLM-2676
3
500324021190
IC
SN74LVC1G19DCKR
KLM-2676
3
500324021180
IC
SN74LVC1G125DCKR
KLM-2676
1
500324021200
IC
SN74LVC1G332DCKR
KLM-2676
1
500324021026
IC
SN74AHCT541PWR
KLM-2676
2
500324021270
IC
SN74AHCT574PWR(TS)
KLM-2676
1
500324021271
IC
SN74AHCT541NSR(TS)
KLM-2676
2
500324021114
IC
SN74LV05APWR
KLM-2676
1
500324021102
IC
SN74LV08APWR
KLM-2676
3
500324021103
IC
SN74LV32APWR
KLM-2676
2
500324021016
IC
SN74LV32ANSR
KLM-2676
1
500324021104
IC
SN74LV74APWR
KLM-2676
1
500324021106
IC
SN74LV139APWR
KLM-2676
1
500324021108
IC
SN74LV138APWR
KLM-2676
1
500324021123
IC
SN74LV125ANSR
KLM-2676
1
500324021121
IC
SN74LV541APWR
KLM-2676
3
500324021119
IC
SN74LV4051APWR
KLM-2676
1
500324001167
IC
UPC78L05T-E2
KLM-2676
1
500324024001
IC
L1087MPX-ADJ-NOPB (TS)
KLM-2676
1
500324023007
IC
S-8520F50MC-B0JT2G
KLM-2676
1
500324045003
IC
93LC66BT-I/SN
KLM-2676
1
500334001900
PHOTOCOUPLER
PC410LKNIP
KLM-2676
1
500335013100
CRYSTAL
CA-301 24.000MHZ
KLM-2676
1
500335011900
CRYSTAL
CA-301 24.576MHZ CI=10PF
KLM-2676
1
500335012400
CRYSTAL
CA-301 8MHZ
KLM-2676
1
500375014800
SW
SDKLA10200
KLM-2676
1
500402004600
BEAD
2943-666673
KLM-2676
3
500402006500
INDUCTORS
TC-600M-3A-5026
KLM-2676
1
500402007400
INDUCTORS
SC-0.5X10X16.5TX4R
KLM-2676
1
500404001050
INDUCTORS
BLM21PG600SN1D
KLM-2676
2
500404001070
INDUCTORS
BLM18BD102SN1D
KLM-2676
48
500454004300
PHONE JACK
YKB21-5012
KLM-2676
4
500454009900
PHONE JACK
YKB21-5074G
KLM-2676
3
500454011700
DIN JACK
TCS5073-24-4151
KLM-2676
1
500471101030
CONNECTOR
SC25-03WS
KLM-2676
1
500471101060
CONNECTOR
SC25-06WS
KLM-2676
1
500471102030
CONNECTOR
SJ20-03WX
KLM-2676
1
500471102040
CONNECTOR
SJ20-04WX
KLM-2676
1
500471102060
CONNECTOR
SJ20-06WX
KLM-2676
1
500471102080
CONNECTOR
SJ20-08WX
KLM-2676
1
500471102130
CONNECTOR
SJ20-13WX
KLM-2676
1
500471102140
CONNECTOR
SJ20-14WX
KLM-2676
1
500474042800
SD SOCKET
AXA263021T
KLM-2676
1
500474039400
CONNECTOR
YKF45-0021(USB RA B-TYPE)
KLM-2676
1
500515400100
FUSE HOLDER
CNT47-0003A
KLM-2676
2
500474031000
CONNECTOR
B16B-PHDSS
KLM-2676
1
500474033200
SIMM CONNECTOR
404A-072SABA01
KLM-2676
2
500474033700
CONNECTOR
302A-50PGAS003
KLM-2676
1
500480010380
MIDI JACK
YKF51-5041
KLM-2676
1
500641041172
X-323 JACK PLATE 2 KOC-C40963
KLM-2676
1
500313005800
LCD
MODULE NCM6602C
ELCTRONIC
1
500420007002
KEYBOARD
88NOTE TP/41+PCB+AFTH
ELCTRONIC
1
500464070001
FUSE
FUSE 125V 2A 0237002.M
ELCTRONIC
1
500525001400
FERRITE CORE
F5 T 25X12X15
ELCTRONIC
1
500475002577
HARNESS
HNS-2577
ELCTRONIC
1
500475003049
HARNESS
HNS-3049
ELCTRONIC
1
500475003051
HARNESS
HNS-3051
ELCTRONIC
1
500475003052
HARNESS
HNS-3052
ELCTRONIC
1
500475003054
HARNESS
HNS-3054
ELCTRONIC
1
500475003101
HARNESS
HNS-3101
ELCTRONIC
1
Part No.
Note QTY
3/3
Part Name
500475003181
HARNESS
HNS-3181
ELCTRONIC
1
500475003182
HARNESS
HNS-3182
ELCTRONIC
1
500475003183
HARNESS
HNS-3183
ELCTRONIC
1
500475003184
HARNESS
HNS-3184
ELCTRONIC
1
500475003185
HARNESS
HNS-3185
ELCTRONIC
1
500475003186
HARNESS
HNS-3186
ELCTRONIC
1
500475003187
HARNESS
HNS-3187
ELCTRONIC
1
500475102941
HARNESS
HNS-2941(L=400MM/20PIN)
ELCTRONIC
2
500540026500
X-0100 JS WASHER KOC-F40979
MECHANICAL
2
500550019400
X-2110 KB FELT 5 KOC-F41031
MECHANICAL
2
500550019600
X-0120 KB FELT 6 KOC-F41032
MECHANICAL
1
500620024600
X-952 POW SW KNOB(NO SILK)E40304-2
MECHANICAL
1
500620026800
X-410 SVR KNOB GREY KOC-E40239-3
MECHANICAL
1
500620036000
X-610 ENCODER KNOB(BLK)E40466-3
MECHANICAL
1
500620040700
KNOB P423-90F(X-9100) E40519-1
MECHANICAL
4
500630034200
X-0180 LCD WINDOW KOC-F40962
MECHANICAL
1
500630034300
X-0180 MIRROR SHEET KOC-F40967
MECHANICAL
1
500630034400
X-0180 DIFFUSION SHEET KOC-F40968
MECHANICAL
1
500630034500
X-0180 SHADE SHEET KOC-F40969
MECHANICAL
1
500641041651
X-0180 REAR OP COVER KOC-C41224
MECHANICAL
1
500641041666
X-0390/1310 KB BASE C41239-1
MECHANICAL
3
500641041671
X-0370 HP ANGLE KOC-C41230
MECHANICAL
1
500641041937
X-5130 PANEL KOC-C10240-2
MECHANICAL
1
500641041740
X-2110 COVER ANGLE KOC-C41274
MECHANICAL
5
500641041741
X-2110 SIDE CHASSIS L KOC-C20384
MECHANICAL
1
500641041742
X-2210 SIDE CHASSIS R KOC-C20385
MECHANICAL
1
500641041743
X-2110 JS SUPPORT KOC-C20386
MECHANICAL
1
500641041744
X-2110 HP ANGLE 1 KOC-C30592-1
MECHANICAL
1
500641041745
X-2110 HP ANGLE 2 KOC-C30592-2
MECHANICAL
1
500641041746
X-2110 SUPPORT CHASSIS KOC-C30593-1
MECHANICAL
1
500641042003
X-5130 FRONT BAR KOC-C30590-2
MECHANICAL
1
500641041748
X-2110 PCB BOX KOC-C10241
MECHANICAL
1
500641041749
X-2110 OP COVER KOC-C30591
MECHANICAL
1
500641041750
X-2110 SIMM COVER KOC-C41273
MECHANICAL
1
500644009000
X-8510 GND SPRING(K) C41167
MECHANICAL
2
500644010500
X-0100 WHEEL SPRING KOC-C41222
MECHANICAL
2
500645055178
X-5130 SIDE BOARD L KOC-D30254-3
MECHANICAL
1
500645055179
X-5130SIDE BOARD R KOC-D30254-4
MECHANICAL
1
500645053298
X-2110 BOTTOM BOARD KOC-D10082
MECHANICAL
1
500646100400
X-4160 KNOB BLOCK A-1 E20211-3
MECHANICAL
1
500646100500
X-4160 KNOB BLOCK A-2 E20211-4
MECHANICAL
1
500646100600
X-4160 KNOB BLOCK B-1 E10191-3
MECHANICAL
1
500646100700
X-4160 KNOB BLOCK B-2 E10191-4
MECHANICAL
1
500646079300
X-0180 LIGHT GUIDE HOLDER E30273
MECHANICAL
1
500646079600
LIGHT GUIDE PLATE EY1L-GB01K
MECHANICAL
1
500646080200
X-0180 JS FRAME KOC-E30272
MECHANICAL
1
500646098100
X-2100 JS WHEEL KOC-E30270-4
MECHANICAL
1
500646080400
X-0180
ﾎ
WHEEL SUPPORT KOC-E40533
MECHANICAL
1
500646080500
X-0180 VR PLATE KOC-E40532
MECHANICAL
1
500646080600
X-0180 JS LEVER KOC-E40534
MECHANICAL
1
500646099951
X-5130 JS PANEL KOC-E20220-2
MECHANICAL
1
500646099952
X-5130 KEYBOARD BLOCK KOC-E30291-2
MECHANICAL
1
500646099923
X-5130 SD FRAME KOC-E40659
MECHANICAL
1
500540028901
GASKET E02S130020ET
L=7
MECHANICAL
1
500550023500
5110 REAR OP COVER SHEET KOC-F41255
MECHANICAL
1
500405013500
AC ADAPTOR KA-161E(100V/9V/3000MA)
MECHANICAL
(1)
500405013600
AC ADAPTOR KA-163E(120V/9V/3000MA)
MECHANICAL
(1)
500405013700
AC ADAPTOR KA-165E(240V/9V/3000MA)
MECHANICAL
(1)
500405013800
AC ADAPTOR KA-169E(230V/9V/3000MA)
MECHANICAL
(1)
500540023500
CONVERTER PLUG ECP01 05A (UK ONLY)
MECHANICAL
(1)
Part No.
Note QTY
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