Roland GT-6 - Circuit Diagram (Sw Sheet)

Sep. 2001
GT-6(T)
CIRCUIT DIAGRAM (SW SHEET)
fig.circuit-md
SW1 BOARD ASSY (1/6)
SW2 BOARD ASSY (2/6)
TO CN2 ON
MAIN BOARD
RIBON CABLE (3P)
EXP BOARD ASSY (6/6)
D+3V
DGND
ENC BOARD ASSY (5/6)
SW3 BOARD ASSY (3/6)
RIBON CABLE (7P)
DGND
SW_DATA6
SW_DATA6
SW_DATA7
SW_DATA7
SW_SCAN0
SW_SCAN0
SW_SCAN1
SW_SCAN1
SW_SCAN2
SW_SCAN2
SW_SCAN3
SW_SCAN3
SW_DATA7
SW_DATA7
SW_SCAN1
SW_SCAN1
SW_SCAN2
SW_SCAN2
SW4 BOARD ASSY (4/6)
TO CN8 ON MAIN BOARD
TO CN6 ON MAIN BOARD TO CN3 ON MAIN BOARD TO CN7 ON MAIN BOARD
DELAY
LEVEL
REVERB
LEVEL
DELAY
FEEDBACK
CHORUS
LEVEL
PRE/SP
LEVEL
PRE/SP
SPEAKER
PATCH
LEVEL
OD/DS
DRIVE
OD/DS
TYPE
OD/DS
LEVEL
PRE/SP
TYPE
PRE/SP
TREBLE
PRE/SP
GAIN
PRE/SP
BASS
PRE/SP
MIDDLE
A
B
C
G
F
E
D
DP
MANUAL
NAME/FV/
CHAIN/NS
UTILITY EQ SFX-1 SFX-2 CHORUS REVERB
DELAY
TAP
DELAY PRE/SP OD/DS
WAH EZ TONE TUNER/
BYPASS
PEDAL
ASSIGN
OUTPUT
SELECT
PRE/SP
TYPE VARIATION
OD/DS
TYPE VARIATION
(RED)(GREEN) (RED)(GREEN)
BANK
DOWN
BANK
UP
EXP PEDAL FX
ON/OFF
BANK DOWN BANK UP
"CTL""4""3""2""1"
"CTL""4""3""2""1"
LED_DATA3
LED_DATA4
LED_DATA2
LED_DATA1
OD/DS
OD/DS
TYPE VARIATION
PRE/SP
PRE/SP
TYPE VARIATION
SCAN3
SCAN2
SCAN1
DATA0 DATA1 DATA2 DATA3 DATA4 DATA5
DELAY WAH
PARAMETER
[<](LEFT)
PARAMETER
[>](RIGHT)
EZ
TONE
REVERB EQ EXIT WRITE
TUNER/
BYPASS
DELAY
TAP
SFX-1
PEDAL
ASSIGN
OUTPUT
SELECT
MANUAL
CHORUS SFX-2
NAME/FV/
CHAIN/NS
UTILITY
TO CN4 ON MAIN BOARD
[6detents] [11detents]
[6detents]
EXP PEDAL FX
ON/OFF
AD_A
AD0
AD1
SW_DATA4 SW_DATA3 SW_DATA2 SW_DATA1 SW_DATA0
SW_SCAN3
SW_SCAN2
SW_SCAN0
SW_SCAN1
AD_B
AD_C
SW_DATA5
SW_SCAN3
SW_SCAN2
SW_SCAN1
SW_SCAN0
SW_DATA4
SW_DATA3
SW_DATA2
SW_DATA1
SW_DATA0
SW_DATA5
D
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
D
D
D
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
D
+
D3.3
D D
D D D D D D D D
+
D3.3
D
D
+
D3.3
+
D3.3
FER+3.3
FER+3.3 FER+3.3 FER+3.3 FER+3.3 FER+3.3 FER+3.3 FER+3.3 FER+3.3
+
D3.3
D
DD
FER+3.3 FER+3.3
D
FER+3.3
D
FER+3.3
D
FER+3.3
D
FER+3.3 FER+3.3
D
D14
1SS133
1 2
SW16
SKQKAB
1 2
D16
1SS133
1 2
R31 470
SW17
SKQKAB
1 2
IC3
BU2090 (DIP)
VDD
16
CLOCK
3
DATA
2
Q11
15
Q10
14
Q9
13
Q8
12
Q7
11
Q6
10
VSS
1
Q5
9
Q4
8
Q3
7
Q2
6
Q1
5
Q0
4
A B
EN
EN1A
EVE GC1 F20 24B
1 2 3
R14
390
IC2
BU2090 (DIP)
VDD
16
CLOCK
3
DATA
2
Q11
15
Q10
14
Q9
13
Q8
12
Q7
11
Q6
10
VSS
1
Q5
9
Q4
8
Q3
7
Q2
6
Q1
5
Q0
4
R1
390
D17
1SS133
1 2
R6
390
LED14
L-312LRD
12
SW18
SKQKAB
1 2
LED6
L-34HDSL
12
CN5
RIBON 3P (1/2)
1
1
2
2
3
3
D18
1SS133
1 2
LED7
L-34HDSL
12
Q3
RN2207
3
2 1
CN6
RIBON 3P (1/2)
1
1
2
2
3
3
SW19
SKQKAB
1 2
R7
390
Q4
RN2207
3
2 1
SW6
SKQKAH
1 2
D19
1SS133
1 2
LED8
L-34HDSL
12
SW3
SKQKAH
1 2
LED29 A-552SR BW
A1
16
B1
15
C1
3
D1
2
E1
1
F1
18
G1
17
DP1
4
DP
9
A2
11
B2
10
C2
8
D2
6
E2
5
F2
12
G2
7
DIG2
13
DIG1
14
R24
390
D6
1SS133
1 2
SW20
SKQKAB
1 2
R8
390
SW7
SKQKAH
1 2
SW21
SKQKAB
1 2
R23
120
CN2
WIRING 10P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
VR6
RD901-40-125F-B54-00D
1
2
3
D7
1SS133
1 2
D21
1SS133
1 2
VR7
RD901-40-125F-B54-00D
1
2
3
R15
390
SW27
SKQKAB
1 2
R32 470
VR8
RD901-40-125F-B54-00D
1
2
3
LED15
L-312LRD
12
D27
1SS133
1 2
R33 470
VR9
RD901-40-125F-B54-00D
1
2
3
SW22
SKQKAB
1 2
R34 470
D22
1SS133
1 2
R35 470
LED9
L-312LRD
12
SW28
SKQKAB
1 2
R36 470
LED21
L-312LRD
12
R9
390
VR2
RD901-40-125F-B54-00D
1
2
3
D28
1SS133
1 2
R37 470
R25
390
VR3
RD901-40-125F-B54-06D
1
2
3
C1
0.1
SW23
SKQKAB
1 2
C5
0.1
R38 470
LED22
L-312LRD
12
VR4
RD901-40-125F-B54-00D
1
2
3
D23
1SS133
1 2
R39 470
CN10
WIRING 2P
1
1
2
2
R26
390
VR5
RD901-40-125F-B54-11D
1
2
3
IC6
BU2090 (DIP)
VDD
16
CLOCK
3
DATA
2
Q11
11
Q10
10
Q9
9
Q8
6
Q7
7
Q6
5
VSS
1
Q5
4
Q4
14
Q3
13
Q2
12
Q1
8
Q0
15
SW29
SKQKAB
1 2
R40 470
R27
390
R16
390
D29
1SS133
1 2
R41 470
LED23
L-312LRD
12
LED16
L-312LRD
12
SW24
SKQKAB
1 2
R42 470
LED25
L-312LRD
12
D24
1SS133
1 2
R43 470
R28
390
CN1
RIBON 7P (1/2)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
SW30
SKQKAB
1 2
R44 470
CN3
RIBON 7P (1/2)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
D30
1SS133
1 2
CN11
WIRING 8P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R29
390
SW25
SKQKAB
1 2
SW8
CARBON SW
1 2
LED24
L-312LRD
12
A B
EN
EN1B
EVE GC1 F20 24B
10 20
D25
1SS133
1 2
R10
390
SW31
SKQKAB
1 2
LED10
L-312LRD
12
D31
1SS133
1 2
SW26
SKQKAB
1 2
D26
1SS133
1 2
LED2
L-34HDSL
12
SW9
SKQKAB
1 2
R17
390
R2
390
LED27
L-3WSRSGW-CC
12 3
D9
1SS133
1 2
LED17
L-312LRD
12
R11
390
Q1
RN2207
3
2 1
D10
1SS133
1 2
LED18
L-312LRD
12
LED11
L-312LRD
12
Q2
RN2207
3
2 1
SW10
SKQKAB
1 2
R18
390
R22
390
SW11
SKQKAB
1 2
LED19
L-312LRD
12
R21
120
LED3
L-34HDSL
12
D11
1SS133
1 2
R19
390
R3
390
D12
1SS133
1 2
LED20
L-312LRD
12
SW12
SKQKAB
1 2
R20
390
R12
390
D13
1SS133
1 2
CN8
WIRING 7P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
LED12
L-312LRD
12
SW13
SKQKAB
1 2
SW1
SKQKAH
1 2
LED4
L-34HDSL
12
D1
1SS133
1 2
R4
390
SW2
SKQKAH
1 2
SW14
SKQKAB
1 2
D2
1SS133
1 2
IC4
TC74HC4051AP
7
4
6
2
5
5
4
1
3
12
2
15
1
14
0
13
VEE
7
COM
3
C
9
B
10
A
11
INH
6
VCC
16
GND
8
D3
1SS133
1 2
C2
0.1
R13
390
SW4
SKQKAH
1 2
CN7
WIRING 11P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
LED28
L-3WSRSGW-CC
12 3
LED13
L-312LRD
12
D4
1SS133
1 2
SW5
SKQKAH
1 2
LED5
L-34HDSL
12
SW15
SKQKAB
1 2
D5
1SS133
1 2
R5
390
IC1
BU2090F (SOP)
VDD
16
CLOCK
3
DATA
2
Q11
15
Q10
14
Q9
13
Q8
12
Q7
11
Q6
10
VSS
1
Q5
9
Q4
8
Q3
7
Q2
6
Q1
5
Q0
4
D20
1SS133
1 2
D15
1SS133
1 2
LED1
L-34HDSL
12
IC5
TC74HC4051AP
7
4
6
2
5
5
4
1
3
12
2
15
1
14
0
13
VEE
7
COM
3
C
9
B
10
A
11
INH
6
VCC
16
GND
8
C3
0.1
C4
0.1
VR14
RD901-40-125F-B54-06D
1
2
3
VR16
RD901-40-125F-B54-00D
1
2
3
VR10
RD901-40-125F-B54-00D
1
2
3
VR13
RD901-40-125F-B54-00D
1
2
3
VR12
RD901-40-125F-B54-00D
1
2
3
VR15
RD901-40-125F-B54-00D
1
2
3
VR11
RD901-40-125F-B54-00D
1
2
3
VR1A
RK11K1140 (10KSB)
11
12
13
14
CN4
WIRING 3P
1
1
2
2
3
3
SW SHEET ASSY
3332