Circuit Diagram (Jack B. 4/5) - Roland BK-5 Service Notes

Jan. 2012

CIRCUIT DIAGRAM (JACK B. 4/5)

JACK_IN R379
HOLD R230
SW_EXP R232
VOLUME R234
MOD R236
BEND R241
+5VD
3 3 3 3 3 3
D
D19 D20 D21 D22 D23 D28
KDS122 KDS122 KDS122 KDS122 KDS122 KDS122
+5VD
RA21A 10K 1 8 CE
RA21B 10K 2 7 RXD1
EPM
RA21C 10K 3 6
RA21D 10K DEBUG0
4 5
R280 4K7 CLK1
R281 4K7 TXD1
R284 10K DEBUG1
+5VD
D
R274
10K
R282
XRST5V
+5VD +5VD +5VD +5VD
R371
NIU R370
CN9 NIU R369 R368
NIU NIU NIU
6
5
FOR DEBUG 4
IC23C
3
USE ONLY
5VRXD TC74VHCT04AFT(EL.K)
2
1 6 5 12 13 MIDI_OUT
B6B-PH-K-S (LF)(SN) L43 NIU N1608Z601T01 R367 NIU IC23F
L42 NIU N1608Z601T01 TC74VHCT04AFT(EL.K)
D
C241 1uF
D
JK6
YKF51-5054V
L27
N1608Z601T01 R303 120
1 1
MIDI IN
2
3
3 2 1
4
L28 L28 R306 100 D24 KDS122 ISO1
MIDI OUT N1608Z601T01 PC410LKNIP0F
5
6
+5VD
C247
NIU C248
D
1nF
PRST5V
2
L29
N1608Z601T01 R317 220 Q39 D+3.3
DTA114EKAT146(PB FREE)
R319
10K
IC21C
L30 R320 220 TC74VHC04FT(el.k)
N1608Z601T01
2 6 5
Q40
DTC114EKAT146(PB FREE) C252 C252
100pF
D D
+5VD
+5VD
R325
+5VD D25 KDS122 10K
1 2 R326
100K HOLD
JK7 L32
D
YKB21-5074 N2012Z601T0
2 2 Q42
2SC2412
4
R330 1K C254
HOLD 3
1 +5VD
L35 100nF
D
N2012Z601T0
D D
R332 220 ohm
C259
NIU
D
+5VD
+5VD D26 KDS122
1 2 R334
100K
JK8 L36
D 6
- -
YKB21-5074 N2012Z601T0
7
2 R337 1K 5
+ +
SWITCH / 4
3 +5VD C267 C267 IC20B
EXPRESSION
1 R380 4K7 NJM4565M-D(TE3)
L37 100nF 100nF
N2012Z601T0
D D
Q51 1
RN2426
JACK_IN
2
R381
D 100K
Q50
DTC114EKAT146(PB FREE)
D
58
R223 R224
10K 10K
+5VD
D
C223 100nF C224 100nF
D D
IC17
M30302MAP-165GP mi022
470 87
P10-7/AN7/KI3
470 88
P10-6/AN6/KI2
470 89
P10-5/AN5/KI1
470 90 79 RA9D 4 5 33
P10-4/AN4/KI0 P0-7/AN0-7/D7
470 RA9C 33 SS2
91 80 3 6
P10-3/AN3 P0-6/AN0-6/D6
470 RA9B 33 SS1
92 81 2 7
P10-2/AN2 P0-5/AN0-5/D5
93 82 RA9A 1 8 33 SS0
P10-1/AN1 P0-4/AN0-4/D4
95 83 RA11D 4 5 33
P10-0/AN0 P0-3/AN0-3/D3
84 RA11C 3 6 33 LS2
P0-2/AN0-2/D2
LS1
97 85 RA11B 2 7 33
AVCC P0-1/AN0-1/D1
RA11A 33 LS0
86 1 8
P0-0/AN0-0/D0
+5VD +5VREF
R240 0 71 RA13D 4 5 33 SD7
P1-7/D15
96 72 RA13C 3 6 33 SD6
VREF P1-6/D14/INT4
SD5
73 RA13B 2 7 33
P1-5/D13/INT3
C232 C233 RA13A 33 SD4
74 1 8
P1-4/D12
100uF 100uF 75 RA15D 4 5 33 SD3
P1-3/D11
94 76 RA15C 3 6 33 SD2
AVSS P1-2/D10
77 RA15B 2 7 33 SD1
P1-1/D9
98 78 RA15A 1 8 33 SD0
P9-7/ADTRG P1-0/D8
99
P9-6/ANEX1
RA17D 33 LD7
D 100 63 4 5
P9-5/ANEX0 P2-7/A7
1 64 RA17C 3 6 33 LD6
P9-4 P2-6/A6
2 65 RA17B 2 7 33 LD5
P9-3 P2-5/A5
3 66 RA17A 1 8 33 LD4
P9-2/TB2IN P2-4/A4
4 67 RA19D 4 5 33 LD3
P9-1/TB1IN P2-3/A3
RA19C 33 LD2
5 68 3 6
P9-0/TB0IN P2-2/A2
RA19B 33 LD1
69 2 7
P2-1/A1
+5VD 8 70 1 8 LD0
P8-7/XCIN P2-0/A0
9
P8-6/XCOUT
R253 10K 15 53
P8-5/NMI P3-7/A15
16 54
P8-4/INT2 P3-6/A14
R254 10K
17 55
P8-3/INT1 P3-5/A13
R256 10K 18 56
P8-2/INT0 P3-4/A12
R258 1K 19 57
P8-1 P3-3/A11
XPDN1
20 58
P8-0 P3-2/A10
59
P3-1/A9
ENB
21 61
P7-7 P3-0/A8
ENA
22
P7-6
23 45
P7-5/TA2IN P4-7/CS3
R263 33 24 46
P7-4/TA2OUT P4-6/CS2
R264 10K 25 47
P7-3/CTS2/RTS2/TA1IN P4-5/CS1
R265 33
26 48
P7-2/CLK2/TA1OUT P4-4/CS0
R266 33 C236
27 49
KSMTXD P7-1/RXD2/SCL2/TA0IN P4-3/A19
28 50 NIU
P7-0/TXD2/SDA2/TA0OUT P4-2/A18
R269 51 R271 L25
P4-1/A17
10K TXD1 R267 33 29 52 100 BLM21AG601SN1
P6-7/TXD1/SDA1 P4-0/A16
RXD1 R270 33 2MHz
30
P6-6/RXD1/SCL1
CLK1 R273 33
31 37
P6-5/CLK1 P5-7/CLKOUT
32 38 DEBUG1 +5VD
P6-4/CTS1/RTS1/CTS0/CLKS1 P5-6/ALE
SUB_TXD_5V R275 100 33 39 EPM
D
P6-3/TXD0/SDA0 P5-5/HOLD
SUB_RXD_5V R276 33 34 40 R277 10K
P6-2/RXD0/SCL0 P5-4/HLDA
DEBUG0 35 41
P6-1/CLK0 P5-3/BCLK
SUB_RTS_5V R278 33
36 42
P6-0/CTS0/RTS0 P5-2/RD
43
P5-1/WRH/BHE
10 44 CE
RESET P5-0/WRL/WR
33 11 R283 NIU
XOUT
6
BYTE
C238
R285 13
XIN
100pF 470 R286 100K R286 100K
D D
D
C239 15pF
R287
10K
C240
15pF
D X2 D
16
+5VD
SW2 NIU
SSSS2-22-01
6
5
R301
4
1K IC21A
6 5VRXD 3 TC74VHC04FT(el.k) R305 100
R304 120 2 1 2 3 4
MIDI_IN
5 1
IC21B
C245 TC74VHC04FT(el.k)
4
1nF
R366 0
D D
SUB_TX
SUB_RX
MIDI_OUT
EXRST
+Vcc
C261
100nF C260
22uF
SW_EXP
- -
+ +
D
IC20C C265
NJM4565M-D(TE3) C264 22uF
100nF
-Vcc
+5VD +5VLED
R228 10
C230 C231
+5VD
100uF 470u
RA10D 4 5 10K
RA10C 10K
3 6 D
RA10B 10K
2 7
RA10A 1 8 10K
RA12D 4 5 10K
RA12C 3 6 10K
RA12B 2 7 10K
RA12A 10K
1 8
RA14D 4 5 10K
RA14C 3 6 10K
RA14B 2 7 10K
RA14A 10K +5VD
1 8
RA16D 4 5 10K
C234 100nF
RA16C 3 6 10K
RA16B 2 7 10K
RA16A 1 8 10K D
RA18D NIU LS2 LSD7
4 5 3 7
C Y7
RA18C 3 6 NIU LS1 2 9 LSD6
B Y6
RA18B 2 7 NIU LS0 1 10 LSD5
A Y5
RA18A 1 8 NIU 11 LSD4
Y4
RA20D 4 5 NIU +5VD 12 LSD3
Y3
RA20C NIU LSD2
3 6 5 13
G2B Y2
RA20B NIU LSD1
2 7 4 14
G2A Y1
RA20A 1 8 NIU 6 15 LSD0
G1 Y0
IC18
TC74VHC138FT(el)
D
+5VD
C235 100nF
D
SS2 SSD7
3 7
C Y7
SS1 2 9 SSD6
D
B Y6
SS0 1 10 SSD5
A Y5
11 SSD4
Y4
+5VD SSD3
12
2MHZ Y3
SSD2
5 13
G2B Y2
4 14 SSD1
G2A Y1
6 15 SSD0
G1 Y0
IC19
TC74VHC138FT(el)
D
IC21D IC21E
R312 33 TC74VHC04FT(el.k) TC74VHC04FT(el.k)
SUB_TXD_5V
8 9 10 11
+5VD
R315
10K
IC23A
TC74VHCT04AFT(EL.K) R318 33
SUB_RXD_5V
1 2 3 4
IC23B
TC74VHCT04AFT(EL.K)
+5VD
R321
NIU
SUB_RTS_5V
R322
10K
D
IC23E
TC74VHCT04AFT(EL.K) R323 220
PRST5V XRST5V
11 10 9 8
XRST5V
IC23D
TC74VHCT04AFT(EL.K)
R373 NIU
TO BENDER
R372 R372 0 0
13 12
LCD_WR
VIDEO_WR#
IC21F
TC74VHC04FT(el.k)
D+3.3 +5VD
C262 IC21G C263 IC23G
100nF 100nF
TC74VHC04FT(el.k) TC74VHCT04AFT(EL.K)
D D
+5VLED
LSD7 1
Q23
RN2426 LLS7
+5VLED
LSD6 1
CN11
Q25
22FMN-BTK-A (LF)(SN)
RN2426 LLS6
SD0
22
+5VLED 21
SD1 20
SD2 19
SD3
18
LSD5 SD4
1 17
SD5 16
Q24 SD6 15
RN2426 LLS5 SD7 14
SSD6 TO
R242 0 13
+5VLED SSD7 R243 0
12
LLD0 11 ORIENTAL
LLD1 10
LLD2 9 PANEL
LLD3 8
LSD4 LLD4
1 7 (CN1)
LLD5
6
Q26 LLD6 5
RN2426 LLS4 LLD7 4
LLS6 R251 0 3
+5VLED 2
LLS7 R248 0
1
NIU
LSD3 1
D
Q27
RN2426 LLS3
+5VLED
LSD2
1
Q28
LLS2
RN2426
+5VLED VOLUME
LSD1
1
Q29
RN2426 LLS1
+5VLED
LSD0 1
Q30 LLS0
RN2426
R288 R289 R290
100 ohm 100 ohm
100 ohm
LD0 2 LD1 2 LD2 2 LD3 2
D D D
Q31 Q32 Q33 Q34
DTC114EKAT146(PB FREE) DTC114EKAT146(PB FREE)
DTC114EKAT146(PB FREE) DTC114EKAT146(PB FREE)
+5VD
R307 0
IC22A NIU IC22B NIU
R309 R310 TC74VHC14FT(EL) TC74VHC14FT(EL)
10K 10K
CN12
1 2 3
TO
1 R311 10K
ENCODER
IC22E NIU IC22D NIU
2
R313 10K TC74VHC14FT(EL) TC74VHC14FT(EL)
BOARD 3
(CN1)
11 10 9
B3B-PH-K-S
C250 C250 C251
D
10nF 10nF 10nF
R316 0
D
R324 NIU
+5VD
+5VD
L31 R327 10K R328 1K
N2012Z601T0 BEND
CN13
R329 1K Q41
1 L33 N2012Z601T0 2 2SA1037AKT146R(PB FREE)
L34 N2012Z601T0
2
3 C255
4 R331 C256
10K 1nF
C258 C257 1nF
B4B-PH-K-S
100nF 10uF
D
D
R333 NIU
+5VD
R335 10K R336 1K
MOD
R338 1K Q43
2SA1037AKT146R(PB FREE)
2
C268
R339 C266
10K 1nF
1nF
D
BK-5
CN8
24
WRITE
23
SSD0 R218 0 22
SSD1 R219 0 21
SSD2 R220 0
20
SSD3 R221 0
19
SSD4 R222 0 18
SSD5 R229 0 17
TO
SD4 16
SD5
15
SD6 RIGHT PANEL
14
SD7 13
LLS0 R231 0 12 (CN1)
LLS1 R233 0 11
LLS2 R235 0 10
LLS3 R237 0
9
LLS4 R239 0
8
LLS5 R238 0 7
LLD4 6
LLD5 5
LLD6
4
LLD7
3
2
1
D
24FMN-BTK-A (LF)(SN)
CN10
SSD0 R245 0
26
26
25
25
SSD1 R246 0 24
24
SSD2 R252 0 23
23
SSD3 R247 0 22
22
SSD4 R249 0
21
21
SSD5 R250 0
20
20
SD0 19
19
SD1 18
18
SD2 17
17 TO
SD3
16
16
LLS0 R255 0
15
15
LLS1 R257 0 14 LEFT PANEL
14
LLS2 R259 0 13
13
LLS3 R260 0 12 (CN1)
12
LLS4
R261 0 11
11
LLS5 R262 0
10
10
LLD0
9
9
LLD1 8
8
LLD2 7
7
LLD3
6
6
2 5
- - 5
1 R268 100 4
4
3 3
+ + 3
IC20A 2
2
NJM4565M-D(TE3) +5VREF 1
1
R272 C237
560K
26FMN-BTK-A
10nF
L26
D
EXCML20A390
D D
R291 R292 R293 R294 R295
100 ohm 100 ohm 100 ohm 100 ohm 100 ohm
LD4 2 LD5 2 LD6 2 LD7 2
D D D D D
Q35 Q36 Q37 Q38
DTC114EKAT146(PB FREE) DTC114EKAT146(PB FREE)
DTC114EKAT146(PB FREE) DTC114EKAT146(PB FREE)
R308 0
ENA
C246
100nF
4
D
R314 0
8 ENB
C249
100nF
D
IC22C NIU +5VD
TC74VHC14FT(EL)
5 6
C253 IC22G NIU
IC22F IC22F NIU
TC74VHC14FT(EL) NIU
TC74VHC14FT(EL)
13 12
D D
59