Roland G-70 - Circuit Board& Circuit Diagram (Lcd Control)

G-70
Feb.2005
97
96
CIRCUIT BOARD& CIRCUIT DIAGRAM (LCD CONTROL)
View from component side
XRES
TPX
GNDCNT0
VCCCNT0
GNDCNT1
VCCCNT1
TPY
LCDCONT
LCDCONT
FRM
DISP_ON
D2
D0
XRES
D7
D5
D1
D4
CP1
D6
D3
CP2
D D
D
D
D
D
5VD 5VD
+12V -12V
+12V
-12V
D
A
A
A
D
D D
5VD
D
5VD
D
D
DD
D
5VD
5VD
D
5VD
D
5VD
D
From Mainboard
(CN15)
To LEFT LCD CONTROL
LCD Contrast Control
To Touch Screen
From Mainboard
(CN16)
DGND
+5VD
To LCD unit
100
100p
100
100p
R19
NTH5G16P33B103J07TH
R19
NTH5G16P33B103J07TH
R23
470
R23
470
C7
100nF
C7
100nF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
CN1
B15B_PH_K_S
CN1
B15B_PH_K_S
2
1 3
Q5
0
Q5
0
R8
5K6
R8
5K6
R13
NIU
R13
NIU
12
3
DA2
DA204K
DA2
DA204K
12
3
DA4
DA204K
DA4
DA204K
R2
5K6
R2
5K6
2
1 3
Q7
2SC2412KR
Q7
2SC2412KR
R3
2K7
R3
2K7
R24
12k
R24
12k
1
1
2
2
3
3
4
4
CN4
52043_0410
CN4
52043_0410
84
+
-
IC1C
UPC4570G
+
-
IC1C
UPC4570G
C9
NIU
C9
NIU
C8
33uF16
C8
33uF16
C11
NIU
C11
NIU
R14
0
R14
0
R6
2K7
R6
2K7
1
1
2
2
3
3
CN5
NIU
CN5
NIU
R4
2K7
R4
2K7
1
3 2
Q3
2SA1586GR
Q3
2SA1586GR
R5
2K7
R5
2K7
C5
1nF
C5
1nF
2
1 3
Q6
2SC2412KR
Q6
2SC2412KR
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
CN2
20FLT_SM1_TB
CN2
20FLT_SM1_TB
R11
100K
R11
100K
R15
0
R15
0
1
2 3
Q1
2SC4116GR
Q1
2SC4116GR
2
3
1
+
-
IC1A
UPC4570G
+
-
IC1A
UPC4570G
R27
NIU
R27
NIU
1
1
2
2
3
3
CN6
53014_0310
CN6
53014_0310
R16
39K
R16
39K
1
3 2
Q4
2SA1586GR
Q4
2SA1586GR
C2
33uF16
C2
33uF16
R12
100K
R12
100K
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CN3
B10B-PH-K-S
CN3
B10B-PH-K-S
2
1 3
Q8
DTC114TK
Q8
DTC114TK
R17
10k
R17
10k
C10
1uFs
C10
1uFs
R21
0
R21
0
C6
33uF16
C6
33uF16
C3
100nF
C3
100nF
C1
100uF16
C1
100uF16
R10
0
R10
0
R18
470k
R18
470k
12
3
DA3
DA204K
DA3
DA204K
12
3
DA1
DA204K
DA1
DA204K
1
2 3
Q2
2SC4116GR
Q2
2SC4116GR
R7
5K6
R7
5K6
R22
4K7
R22
4K7
R1
5K6
R1
5K6
R9
0
R9
0
R20
0
R20
0
C4
1nF
C4
1nF
R26
NIU
R26
NIU
6
5
7
+
-
IC1B
UPC4570G
+
-
IC1B
UPC4570G
R25
220K
R25
220K