Roland HP-1 - Connecting MIDI Devices; Understanding MIDI and Connectivity; Setting the MIDI Transmit Channel

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17
11
HP-1 MH/RW, HP-2e RW/LA
Mar, 2002
SIG_L
AGND
SIG_R
MUTE_SEND
MUTE_RET
LED_K
LED_A
L18=L19=L22=EXCELDR25V
3
4
2
1
5
6
7
CN15
53014-0710
L19
L22
L18
2
4
3
7
8
1
5
JK101
YKB21-5006
2
4
3
7
8
1
5
JK102
YKB21-5006
R22 100 I
R23 100 I
R24 100 I
R25
100 I
P
H
O
N
E
S
C123
100nFC
2
1
CN16
5045-02A
12
D1
From JACK BOARD
To LED BOARD
(Cn1)
PHONES BOARD
LED
BOARD
LED DIODE
3 SLR-37VR3F-RED
View from component side
PHONES PCB ASSY & CIRCUIT DIAGRAM
ASSY 7772903000
View from component side
BLK
SAFETY PRECAUTIONS:
The parts marked have safety-related characteristics.
Use only listed parts for replacement.
COM
INLET BOARD
TO PAB-M Board
(CN11)
GMD 1.25A/250V
230V/240V T630mAL250V
F1 LABEL
100V/117V OMEGA-ALERT GMD 1.25A/250V
OMEGA-ALERT S504 T630mAL250V
N
L
MAINS
BLKBLK
POWER SW1
SDDLB1B2D-TV5
WHT
240V
230V
120V
100V
BLK
WHT
TRANSFORMER
N
L
INLET1
K+B 42R65.1114
2
1
C1
DE1310E472M-KH
F1
CN2
B2P3-VH
2
1
CN1
B2P3-VH
2
1
PRIMARY PCB ASSY & CIRCUIT DIAGRAM
ASSY 7772401000
NOTE: The PRIMARY PCB ASSY doesn’t include the fuse. When you replace this assy, please order the fuse, as well, as indicated on PARTS
LIST “FUSE, FUSE HOLDER”.