ROLAND — CIRCUIT DIAGRAM (MAIN 1/2)

Sep. 2001 GT-6(T) 27 26 + D 3. 3 R103 4.7K 2 1SS352 C111 0.1 C112 0.1 C114 0.1 VSS 90 XA C141 0.1 D C87 0.1 +5 D R137 10k 1 D +5 D +5 D 1 2 D8 C90 0.33/50 D VSS 51 VSS 70 R107 1K + D 3. 3 8 4 D NC 1 NC 2 NC 3 NC 8 DLY 5 VCC 100 VCC 67 P17/TIOCB2/TCLKD 8 P15/TIOCB1/TCLKC 6 P27/TIOCB5/TMO1 94 P26/TIOCA5/TMO0 93 P25/TIOCB4/TMCI1 92 P24/TIOCA4/TMRI1 91 P23/TIOCD3/TMCI0 61 P22/TIOCC3/TMRI0 58 VSS 9 VSS 20 VSS 33 D + D 3. 3 R106 4.7K IC16D TC7W04F D RST 6 VCC 7 GND 4 IC15 M51953AFP RESET + D 3.

3 C113 10/16 VCC 42 TXD0/P30 10 TXD1/P31 11 RXD0/P32 12 RXD1/P33 13 IRQ4/SCK0/P34 14 IRQ5/SCK1/P35 15 P16/TIOCA2 7 P14/TIOCA1 5 PG0/ADTRG/IRQ6 95 P21/TIOCB3 57 P20/TIOCA3 56 P40/AN0 81 P41/AN1 82 P42/AN2 83 P43/AN3 84 P44/AN4 85 P45/AN5 86 P46/AN6/DA0 87 P47/AN7/DA1 88 WDTOVF(FWE*) 62 XB C139 0.1 D IC16C TC7W04F 6 2 D D IC21 NMI 65 EXTAL 69 XTAL 68 AVCC 79 VREF 80 AVSS 89 STBY 66 MD0 59 MD1 60 MD2 63 R104 1K CIRCUIT DIAGRAM (MAIN 1/2) R68 2.2k MIDI IN C88 0.1 INT0 + D 3. 3 R109 10 D + D 3. 3 D + D 3. 3 + D 3. 3 C80 0.1 D + D 3. 3 + D 3. 3 R116 100k AD_A 1 4 + D 3. 3 C143 10/16 C115 0.1 ENCODER + D 3. 3 6 4 5 IC13 PC400 D7 N.I.U. R76 10k 3 5 IC16B TC7W04F AD_B + D 3. 3 R117 N.I.U. R118 N.I.U.

RA12 CRN34101J RA15 CRN34101J C119 15P X2 MA-406 (20MHz) C121 15P D 1 3 + D 3. 3 C82 N.I.U. 1 2 D 1 7 IC16A TC7W04F D + D 3. 3 2 7 3 6 4 5 C142 0.1 + D 3. 3 D C 3 B 2 A 1 G2B 5 G2A 4 G1 6 D 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 D R95 N.I.U C129 0.01 R99 N.I.U D C130 0.01 ENC_B ENC_A 1 2 D6 1SS352 + D 3. 3 1 R73 N.I.U. 3 2 1 DA5 N.I.U LED DATA RA5 CRN34104J 1 8 RA6 CRN34101J 1 8 2 7 3 6 4 5 R108 100 VCC 16 GND 8 Y7 7 Y6 9 Y5 10 Y4 11 Y3 12 Y2 13 Y1 14 Y0 15 IC29 TC74HC238AF RA19 CRN34103J D CONTRAST BATT R67 120 R69 100 3 2 Q10 N.I.U. R77 22 R136 N.I.U SW DATA 1 8 2 7 3 6 4 5 MUTE MUTE C127 0.001 C128 0.1 C134 0.1 D RA25 N.I.U. AD_A AD_B AD_C R138 N.I.U.

R75 22 1/2W R135 N.I.U SW_SCNA3 SW_SCNA3 SW SCAN 1 8 2 7 3 6 4 5 R85 4.7K D D D D R100 1K + D 3. 3 3 6 4 5 SW_DATA7 SW_DATA7 RA18 CRN34103J DA3 1SS302 2 1 DA4 1SS302 2 1 R94 4.7K 1 8 2 7 D L12 N.I.U L13 N.I.U N.I.U L14 L16 N.I.U 1 2 D11 1SS352 ENC_B ENC_A LED_DATA4 LED_DATA1 LED_DATA2 LED_CLOCK + D 3. 3 R110 4.7K 3 + D 3. 3 3 + D 3. 3 D AD1 AD0 C75 N.I.U. L17 N.I.U. D + D 3. 3 C104 10/16 D LED_DATA3 SW_SCAN0 SW_SCAN1 SW_SCAN2 SW_SCAN3 LED_CLOCK SW_DATA6 SW_DATA7 + D 3. 3 C116 10/16 D SW_SCAN1 SW_SCAN2 SW_SCAN3 SW_SCAN0 SW_DATA5 SW_DATA4 SW_DATA3 SW_DATA2 SW_DATA0 SW_DATA1 + D 3. 3 R84 470k + D 3.

3 R91 4.7k R111 4.7K D C138 0.1 D PANEL VR A/D 12 14 15 22 24 25 CN3 A2001WR2-11P D EXP/CTL 1, 2 D 1 1 2 2 3 3 A2001WR2-3P 1 1 2 2 3 3 4 4 5 5 6 6 7 7 A2001WR2-7P MIDI JK8 YKF51-5054 2 4 5 IN OUT 2 4 5 30 40 50 60 D CN8 53015-0210 1 1 2 2 CN2 A2001WR2-10P TO CN2 on SW2 BOARD TO CN7 on SW1 BOARD TO CN8 on SW1 BOARD 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 CN7 A2001WR2-8P 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 2 3 1 TO CN4 on EXP BOARD CN4 CN6 fig.sk961-c TO CN10 on SW4 BOARD TO CN11 on SW1 BOARD JK11 HTJ-064-12D MIDI C N.7 I.5 U. D+3. 3 D+3. 3 RA26 RA27 R67 120 D+3. 3 IC16C DIR "H" : A -> B N.I.U. N.I.U.

D+5 J YK K8 F51-5054 D R68 2TC7W04F 6 IC16D C87 DIR "L" : A 5V) TO LCD TR1 11 124 5 L L1 12 3 N.I.U R 106 09 D 1S6 S352 1 3 4 5 MIDI IN D D C70 8.1 D D+3. + 3 5 C79 0.1 RA1 C 0.7 17 C A2N 51 41WR2-2A16NP D+3. 3 C81 47/16 PT-10 (13:4) R 7571 SBT-L 01 15 80WDIGI YT KJ CA K 29 1L A -3 11O 7UT IN 52 4 1 2 6 4 8 8 7 6 5 8 7 6 5 10 22 224 5 L D1 .I7 L NLNN 11 ... III 64 ... UUU R RR 11 7 33 5 58 22 NN 1 .. / II R2 .. UU W 17. NQ N ..1 II ..0 UU 2. D+3. 3 R N.71 7I.3 T.D C1+ 763 WAC N. 3 0.8 1I 4.2 U FI P .C C 51 D N43 .70 I T. C0 U C1. FDD +3C 0 . 3.8 10 DD +5+5 1R 1 D0 S81 1 2k S37 I TC C2 78 WA H 732FU .D+3. 3D+3. 3 8765 8765R N NA A. .I I. R2 2U U3 E.

SET1234 1234 LL L L L L L L L CC C C C C C C C DD D D D D D D D _7 6 5 4 3 2 1 0 L L LL LLLL C C CC CCCC D D DD DDDD 4 2 07 1356 DD 1 234567890 DAAAAAAAA N12345678 D+5DB B B B B B B B C8 7 6 5 4 3 2 1 1 1 1 1 1 1 2 2 0I4 5 6 7 8 9 0 1 4LVXD 1 2 3 41 2 3 4 CC RR NN 33 44 11 00 8 7 6 58 7 6 5 11 JJ D RREDDDDDDDD eenaaaaaaaa saatttttttt idbaaaaaaaa s/l DtWeBBBBBBBB iiiiiiii +ristttttttt ti 0Seg01234567 1en 9la tel 1111111 1234567890123456 1234567891111111 0123456 CO DNT +R 3A 3ST R 107 C 0K2 .8 142SC4 D11 1Q 69 GR 3R 4 D37 77 00 40 C83 0.11 2 3 C46 SH0D 24 1 1C N 6.8 I.5 U. D3 22 1 D A DJ YK K9 CB 21-3117 OUT 52 4 3 2 2 V VC CC CA B 1 24 1 2 3 4 1 2 3 4 2 3 20 10 C 53N 08 15-021D 0 N .U.

R 37 6 2 U I C D I 76 WBR 10 07 3k 46 C 0.8 18D+5 7 4 V GC NC D DN N N N LC C C C Y 51 2 3 8 D 352 D+3R N . 3.1 I.2 U9 R . 4 . DIR 22 32 G I CR 91 T C C .11 74 C3245FS R A 2 C oer n t 5 r C a .8 s ct . R R N.7 I.8 U I TC 1 77 4 4FD+3. 3 C 0.8 BOARD 43 00 50 60 1 RST 6 1 2 8 1 11 2 31 G GG N NN D DD 3 5 1 2 1 2 1 2 D+3. 3 D I MC 51 15 953AFP C 0.9 30 3/50 TCI 7C W28 HC 32FU C 0.1 140 D+3. 3 TC74VHCI TC 51 48 1F D D+5 C92 0.1 C93 0.1 D D+3. 3 AC A 122 NN A00 D72 200 T011 31 10WW 30 81 2 3 4 5 6 7 8 9 91RR 22 2-- N1 81 2 3 4 5 6 7 8 9 981 10 4P0 0-1P 3SS 2WWWSS -WWWW ___D __SS PDDD__ DD__ WWLL SS DDD +SS AAEE 3CC __CC 1D . +++ D DDD AAAAA AAAA 03 333 1__ AA 012NN 4C 1 35NN ...

D1CD D TT 333 .0 01 981 623 76LA 4/ AA 140 k1 OT .67 14 76 LA C TT3 1K 7KD 1 3S 331 ..S1 333 _5 A2 UL 44E2 R C EHD A R C1 2 3 4 ACRR CD 5 N O2AA 1R 53 N0D D65 N4 R8 T31 AA R40 B9T 314 A1N A40J 0 SA. A8 7 6 5 4I 11 0 D. TU 0J1 0D II.+ UU33 G. 23 DD DD /++ 133 6R 1 .. 33 01 D0 01 k 16 0122C 1R LD 010 O//1 L//E NNNNNN/ D1 PP1 67S 012345333 6 DDRE 33DT I33+ MMCC453 RC. 3 D CC C P11 1 P11 1 221 4 /00 0 C.. . P11 1 22D ND I+ m3 5RRRR. 3 A 1111 2 3 4 N3332 .2348 IC 1R .DN 0008 7 6 53R N +4 3A .I 1 ..2 U 0 32 3 AA AA AA A.

J 11 11 11 47 79 88 D A.1 119 8 7 6 5 4 3 2 9 A A A A A A A A G G8 7 6 5 4 3 2 1 2 1 DD 21Y Y Y Y Y Y Y Y 5R8 7 6 5 4 3 2 1 1 1 1 1 1 1 1 1 E1 2 3 4 5 6 7 8 4R C FA R )3 FN )3 14 01 l0 81184 J 11 2 3 4 0kR C 3A R D4 5N 1303 14 61 00 48 7 6 5 01 9J DI R KC TA 12 A100 2A 4- C1 30 (D 61 ( A.T 3C 32 962 N3 C DDAA DA DAAA D0 zU8 01 11 N0 2 13 A IF 3-10 11C 1 D 78 8 8 4)01 91 2 3 1/2 12 6 C CC CC C C1 11 19 9 10 10 05 8 06 00 3 8 55556666 46780123 30 00 00 0 0. .. .. . .1 11 11 1 1 03EC C CCC C DD T9 1 119 19 0 006 0 7 952 0 00000 . ..... 1 11111 EDDIF_D DL 3RA B 1T C CA MK K C012345678D A4+ 2SS3 V.

3 2C 69 57 2D 1222 2 22 5111111124 567 8 4234 5 67 SSS1 C T0 1 L/ 01 MUL NBD V XCCC F NL1 2346 B 0R R IC LA TTT B .ID 1C GGG 3T DK 1T P0 22A YK 123 A Y. 31 43I T DDC 4C B 041 0+L9 CC9 1O2 LDD 1KKFF 2II7 COO SSAA JSS 51 HSK 1212 1212 12F 5S D311 1 11 22 91122 C+67 12 01 8989 093R N /D 1J.7 6I +.9 U 3.

3 TO CN2 TO CN10 on SW2 BOARD on SW4 SW_DATA7 SW_SCNA3 3 1 8 2 7 3 6 4 5 4 1 8 2 7 3 6 4 5 10 GND VCC 20 1 8 2 7 3 6 4 5 1 11 26 37 51 73 90 101 109 120 140 18 59 93 128 VDD 30 J HE K T1X J1 -0P 64/ -C 2CC N 1 12 0 1 L1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 W C R 1 11 2 3 4 5 6 7 1 2 3 4 5 6 7 8 02 0 1 1 2 3 1D,1 WP SSS S RSSSWWW W S SS 1 2 DW WW 2___ _ 3SSS S _ CCC C D AAAAAA A A TTTNNN N T TTL LL LC A E EE 123 E0 R 4R / 4 D DD 1 7 _ __ _ 0 R D DD C k A AA D1 DKOT A AA R 4 DD +C .4 12 31 .++ 1E E K 02 2N N C C _ B D DA AC 3 4RN3 1 1S 4 S S1 1W 1R R 4S S0 . A 93 3 73 R 140 01 KS J K12 28 0C DD 0AN R 4.8 7S 5 KW C 0 C 0 DD. .

1 10 1 C 0I T 2 2M MC 0D .C 17 8 112 U 37 A9 T T T E 1 1 1 1 1 1 7 9 0 1 2 3 4 3 R C 8 A 1 N Y Y Y Y Y Y Y Y F R R7 6 5 4 3 2 1 0 A T1234 1 2 3 T1 1 2 5 3 R NR N C + J .3 .. 99 1 0 .. 95 2D 1 9G G 2 8765 8 7 6 5B A B AC M C 0C 0 1 C C .. 11 R R A 01 CX 34 1N N -2 4 1 02 3 2 1 5 4 6 3 3 0 2 DDA 4 4 6 11 1D (0 0 2_ 1 1 1D 0B DJ J 5MC 1 P+ H53 1 z C 1P. 1 )3 019 4 3 A C ._ 1RA 11 5IN 09T DD0 1 ++ 0 33 ..

33 DD9 99 55 51111 6 6 6 6 5667 8 88888888 8911 69 657 68 4 23 68 70123 1 5 9 8 9039 0 12345678 9145 65 2 PP PP P PP PTTRRII P SN E X MMMA V PPPPPPPP APPP P WRRI XX T TX21 21 22222 44V V2G11 444444RMXX DDDC DQQ 44 56 02367 67157 012345A BDD T C SDD E0 I T// // ///// ///// //////45 YA01 S/ TT TT TTTTT AAT CTT AAAAAAF1 A SS II II IIIII III// NN PP OO OO OOOOO OOO VCC 33 T CC CC CCCCC CCC F//KK 0123 AA BA ACDA (B BBB01 FAAG 41 42 355 312 // WPP /// 01/ //// / TTTT TTTT R EMMMM *QLL RCOO ) 6KK II II01 11 00CD P 1 1 3 FP/ / 0A A PF /2 2 B G13 2 / RP 1P B/ PT T P E /1 1 A FI I 1 F0 QO O C S2 G/ / 3A /AC C K/ 3I/ W 3RL2 2D C //P /IIP W1 0 E CRRA P P0 0 F/ F/ P Q/ / IT DDDDDDDD G GST QQP RT T T47 FI I 10F01234567 2 471//C C /O /O IH IP 5 ////////// 6 / ///R R R C CPPPPPPPPL L C CCCC C AAAAAAAAAA DDDDDD /H W/ R QK K QADD SEEEEEEEEE SS SSSB 1111111111A AAAAAAAAAA 111111 A DB A S R 3 489 S01234567 70123456789 2012345 6 2 00 50 0123456789D I 11112222222333 7 7767 7 7 7 9 9 9 9444445555514 3 2 73333334444 67891234789012 6 8742 3 4 5 6 7 8 95678902345 14567890134 56 R RR RR RR RR R RAA A AAA AA A 8 98 087 9 111 21 2730 06 11 2 3 4 1 2 3 41 2 3 41 2 3 4 1 2 3 41 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 C 2.N 5N 45.

. mI . .U U 8 7 6 5 8 7 6 58 7 6 58 7 6 5 8 7 6 58 7 6 5 8 7 6 5 8 7 6 5 8 7 6 NN N NNN NN .. . ... .. II I III II I R N.. . ... .. . AUU U UUU UU U .1D .3 U_ C111 KKK A A A A AA AAA AA A AA AA A AA 0189 6 5 4 27 31 1 1 1 11 111 16 5 9 5 03 126 4 LD D DDD D DD C1 1 891 1 11 LLLL LL LL D3 15 4 02 CCCC CC CC _DDDD DD DD D1235 47 06 IR D+3 3 BA I T DCT C2 A AA A A AA AAA AA ATR 1 AA AA AA +750 57 6 12 34 08 3911 1 1 11 1 111 5BK .38 7 2 06 4 151 S 39 5AAAA A A AA A AA AAA A A A 1 11 12 2 441 4 1 1 2 2 2 2 2 47 58 03 29 6 1111 11 11 1 2 3 4 5 6 7 8F 1 24 56 8 757 8 8 9 0 1 2 3 4 146 05 23 D+3 8.

+02 2 23 2 2 2 2 2 1 1 1 3 3 I W RW RC OA BA A A A A A A A A A A A A A A A A A3 C2 3 4 5 6 7 8 9 2 9 41 8 5 3 6 7 0 1 2 0 1 9 8 7 6 5 4 3 2 1 0 Y1 1 1 1 1 1 1 1 -. YPED+ 2 1 E P-30 7 6 5 4 3 2 1 0 T /6 / BU k D EI A A A A A A A A A A A A A A A A A C C R O YPC Q9 8 7 6 5 4 3 2 1 01 1 1 1 1 1 1 E E / E D2 W 16 5 4 3 2 1 0 2 12 4 53 41 I T C 0C0 .C 1 120 3750 65AA SGV V 5I I I I I I I I/ / / / / / / / DDDDDN +D WS 1O O O O O O O O - GV GVDD DD DDDDDDQQQQQFC D S8 7 6 5 4 3 2 1 - N N N C N NPA QQ QQ QQQQQQ111113 1 C C C CP D D1 01234 08 19 234567012 2 1 1 1 1 1 1 1 3 R 1 R 4D N D61 0 9 8 7 5 4 3 2 M .. 8 11 23 49 1 123 33 333444 1333447I . 1 25 77 60 690 12 358024 346913M(U 1 M(.

DD D DD DD D C 0 DD F91 1 81 11 .1 13 25 14 ADD DDD DDD +1 1 311 911 aC C 0.D 90125 34D 3 .R 1 1sR 1 B D+ 320 T3 h8 D R D 1. +12 3 3 S 9 B 1 2 C 1.S0 / 3 03 /8 250 3 62V -- 0 C 0D .1 1 C 1+ 2 D 03 1024 I AAD D /F. 3D 1 3 DD_ A A 3 6D LDDD DX SGV RA MBAAA A1 GD N T C CTTT T CD -D A ABB A K Q K8 0 0 1J O EO U I K7EN T T 7 RRR R RR R R D0 999 9 98 8 871 +632 7 86 7 3MR .D .8 H 3I.3A A D DA AA AA A D D+ )279 356 4 18 1 311 1 1 81 1 9 . NNN N NN N 0 . +05 4 23 1 3 3... . .. . . III I II I .... . .. . .

UUU U UU U U 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 D 3 36 6 6 6 6 7 77 7 77 7 8 8 8 8 8 9 9 9 9 9 9 9 0 0 0 0 0 0 0 1 1 2 2 2 2 2 2 2 3 33 3 3 3 3 3 3 0 15 6 7 8 9 0 14 5 67 8 4 6 7 8 9 1 2 4 5 6 7 9 0 2 3 4 5 6 7 8 9 1 2 3 5 6 7 9 0 12 3 4 5 7 8 9 23457891 1 1 11112222222 33333344444444455 5 1 1 1 1 1 1 1 1 1 0 2 3 46790134578 23458901235678902 3 1 1 1 1 1 1 1 4 40 1 2 3 4 5 7 2 R EE E E EE EEE DD D D DD DDS 67 5 2 14 MR UE TS 1 1 1112222222 3 11 23 3 4 7890145678 2 56 90 I LN N WRNAAAAAAAAA OU LNC C C A CC C C C EK 2 EA 3S 4 TIIIIIII VVV/////// VVV -IIIIIIIIIOOOOOOO ///////// CCC1 1 SSSOOOOOOOOO 0 3 CCC 123456789 -0123456 C C 12345 67891 233334444 C CO KC 0 256780123 394 S C 0R C .A 1R 121 N EEE EE E EE 41 1 2 3 4 1 2 3 DDDD DDD D 127 56 3 E 1 C 0 .M 3 3 .

DR PMM 3 8 7 6 5 8 7 6 R 3 A R. D1 N 3 4 3 +4 31 C 1. D 0 3 4 TO CN7 TO CN11 on SW1 BOARD on SW1 BOARD CN4 EXP BOARD 3 3 1 8 2 7 3 6 4 5 1 8 2 7 3 6 4 5 8 GND VCC 16 R117 N.I.U. R118 N.I.U. 1 4 VCC 42 VSS VCC 67 VSS VCC 100 VSS VSS VSS VSS 21 R120 10K 2 5 1 2 3 1 1 2 2 1 C132 0.1 15 VSS A 9 D D+3. 3 HD6412312VF D+3. 3 D+3. 3 C 0.1 135 D LH28F400BVE-BL85 D D D R101 1 TO on 9 20 33 51 70 90 21 2 6 15 22 29 36 44 55 64 72 80 85 98 108 116 124 136 144 R102 D D 10k D N.I.U. R103 2 4 Testpin TD15 1 D15 5 3 4.7K R104 A19 1 TA19 Testpin Testpin TD14 1 D14 C137 C138 1K XB I TC C2 77 SH04F A A1 18 7 11 TT AA 11 78 TT ee ss tt pp ii nn T Te es st tp pi in n T TD D1 13 2 1 1 DD 11 23 N.I.U.

R105 3 CN6 0.1 D D AA 11 56 11 TT AA 11 56 TT ee ss tt pp ii nn T Te es st tp pi in n T TD D1 11 0 1 1 DD 11 01 D 10K A2001 2 3 4 5 6 7 1WR1 2 3 4 5 6 7 2-7P A AD D1 0 D+3. 3 R NA .I.2 U5 . E EN NC C_ _B A ENCODER C 0 D.1 139 D+3 R 4. 3 .1 70 K6 R 1K107 XA 5 6 I TC C2 78 WB H3 32FU AA A AA A AA A A 59 7 681 1 11 14 3 12 0 11 11111111 TT TTTTTTTT AAAAAAA AAA 5678911 111 34 012 TTTTT eeeeeTT TTT sssss tttttee eee pppppss sss iiiii nnnnntt tttpp pppii iiinn nnn T TT T T e ee e e s ss s s t tt t t p pp p p i ii i i n nn n n T TT T TD D V GV CC9 8 NCC D21 1 1 11 1 1 D D9 8 D+3.