Roland HP-1 Service Notes page 23

Mar, 2002
1 2 3 4 5 6
CONTROL PCB ASSY & CIRCUIT DIAGRAM (only for HP-2e)
A
ASSY 7773002000
B
C
D
View from component side
E
F
G
View from solder side
H
TO MAIN BOARD
(CN4)
I
J
K
TO MAIN BOARD
(CN3)
L
M
N
O
P
Q
R
S
from
T
POWER & AMP.
Board
(CN1)
U
7 8 9 10 11 12
CN1
1 SCD7
1
2 SCD6 NIU
2
SCD5
3
3
4 SCD4 R60
4
R59
53015_0410
0s
+ 5
CN5 D
1 1
1
2
2
3 RN2427
3
4 SCD7 Q1
4
SCD6
5
5
6 SCD5 SC1
6
SCD4
7
7
C2
53015_0710 NIU
C22 1
NIU
RN2427
NIU
Q2
D 100nFs SC2
+ 5 + 5
D D
C3
CN3
1 IC4
1
2 1
2
3 SS2 3 7
3 C Y7
SS1 RN2427
4 2 9
4 B Y6
5 SS0 1 10 Q3
5 A Y5
6 LEDEN 11
6 10Ks Y4
7 SCD3 12
7 D + 5 R2 Y3
8 SCD2 5 13 SC3
8 G2B Y2
SCD1
9 10K 4 14
9 G2A Y1
10 SCD0 6 15
10 G1 Y0
53015_1010 33uF16H7
C4 C23 74HC138F
C5
33uF16H7
NIU D
D 1
D
RN2427
Q4
1
RN2427
Q5
1
RN2427
Q6
1
RN2427
Q7
C7
NIU 33pFs
R74
R36
10ks
VR1A
+ 1 RK14K12C
2 A
NIU 2 -
CN4 C8 R38
NIU NIU 3 +
1 SEND L C20 R41
33uF16H7 R40
1 C30
2 23 NIU 68ks
2
3 SEND R 24 R39
68pF NIU
3
4 1
4 0 NIU
5 14 A
5 R80
6 13 R43 A
6 NIU
NIU R45
7 A
7 10ks
8 NIU C21 R42 R44
8
R76 NIU NIU C31
68pF NIU A
53015_0810 6 -
C19 - 1 2 5 +
NIU
R47
C17
68ks
A
33uF16H7
0 NIU
A
R81
13 14 15 16 17 18
+ 5
D
R61
NIU
C1
NIU
NIU
D SC1
SC2
SC3
DAP202K DA1 DAP202K DA2 DAP202K DA3 DAP202K DA4
2 1 2 1 2 1 2 1
SW1 SW2 SW3 SW4 SW5 SW7 SW6 SW8
1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R
+ - Organ Harpsi Transp. Brill 2 1
DA5 DA6 DA7 DA10
DAP202K DAP202K DAP202K DAP202K
2 1 2 1 2 1 2 1
SW9 SW10 SW11 SW12 SW13 SW20 SW14
1 2 1 2 1 2 1 2 1 2 1 2 1 2
EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R
Play Song Piano E.Piano Split Reverb Rec
DAP202K DA8 DAP202K DA11
2 1 2 1
SW15 SW16 SW18 SW19 SW17
1 2 1 2 1 2 1 2 1 2
EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R EVQ_PAE05R
Metro Beat Variat Strings
R28 R29 R30 R31 R32 R33 R34 R35
1Ks 1Ks 1Ks 1Ks 1Ks 1Ks 1Ks 1Ks
SCD7 9
A8
SCD6
8
A7
SCD5 7
A6
SCD4 6
A5
SCD3 5
A4
SCD2 4
A3
SCD1
3
A2
SCD0 2
A1
LEDEN 19
G
1
DIR
D
R37
VR1B
4K7s
RK14K12C
10
+ 1 2
1 RETURN L
IC3A
UPC4570G
100nFs
C12
C24
33uF16H7
NIU
C14 -
33pFs
+
R46 4K7s IC3C
A C16 C25 UPC4570G
NIU
7 RETURN R
33uF16H7 100nFs
IC3B
UPC4570G
- 1 2
19 20 21 22 23 24
LED19
LB603VF
18
COM3
19
COM2
26
COM1B
3
COM1A
NIU NIU 47s 47s 47s 47s 47s
SC4(PA6)
R3 R4 R5 R48 R49 R51 R50
+ - Organ Harpsi-cd Transpose Brilliance 2
LED2 LED3 LED20 LED5 LED6 LED21 LED7
2 1 2 1 2 1 2 1 2 1 2 1 2
3
TLHR4401 TLHR4401 TLHR4401 TLHR4401 TLHR4401 TLHR4401
NIU NIU SPR-325MVW
47s 47s 47s 47s 47s 47s
SC5(PA5)
R11 R13 R53 R54 R78 R55
Play Piano E.Piano Split Reverb Rec
LED10 LED12 LED13 LED14 LED24 LED15
2 1 2 1 2 1 2 1 2 1 2
TLHR4401 TLHR4401 TLHR4401 TLHR4401 TLHR4401 TLHR4401
47s 47s 47s 47s
SC6(PA3)
R17 R18 R70 R71
Metro Beat Variation Strings Song
SPR-325MVW SPR-325MVW SPR-325MVW SPR-325MVW
LED16 LED17 LED22 LED23 LED25
2 1 2 1 2 1 2 1 R72 2
3 3 3 10s
TLHR4401
R56 R57 R73 R79
10s
10s 10s 10s
SC7(PA4)
100s 100s 100s 100s 100s 100s
R62 R20 R63 R21 R64 R22 R65 R23 R66 R24 R67 R26 R68 R25
100s 100s 100s 100s 100s 100s 100s 100s
1 1 1 1 1 1 1
100nFs
C6 D D D D D D D
+ 5
D
Q8 Q9 Q10 Q11 Q12 Q14 Q13
DTC114EK DTC114EK DTC114EK DTC114EK DTC114EK DTC114EK DTC114EK
IC5
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
TC74VHC245F
D
HP-1 MH/RW, HP-2e RW/LA
25 26 27 28 29 30
47s
R52
1
LED9
1 2 1
TLHR4401
1
R12 47s
47s R19
Key Touch
SPR-325MVW
LED18
1 2 1
3 3
R58
10s
100s
R69 R27
100s
1
D
Q15
DTC114EK
23