Hammond XK-1 Service Manual

20LINE * 2
LCD UNIT
+5V
AC IN 100 - 240V
50/60 Hz
EXP. PEDAL
V-20R
HEADPHONES
LINE OUT L/MONO
LINE OUT R
LESLIE 8-PIN
FOOT SWITCH
FS-9H
MAIN CPU & GENERATOR
MGH-94A
U29
VASE3
MASTER
64POLY TONE
GENERATOR
U32
WAVE ROM
U30
VASE3
SLAVE
64POLY TONE
GENERATOR
U1
MAIN CPU
HD6417144
(SH-2)
U41
KEYSCAN
CPU
HD64F3024F
(H8)
U14
16M FLASH
U15,U44
512k*8
SRAM
U11
RESET IC
BT1
CR2032
(3V)
U26
DC-DC
R1224N
(+3.3V)
U27
DC-DC
R1224N
(+1.26V)
U9
4580M
OPAMP
U10
4556M
OPAMP
U43
SWITCHED
CAPACITOR
VOLTAGE
CONVERTER
LT1054CDW
(+8V,-8V)
+1.26V
+3.3V
+8V
-8V
RESET
DETECT, FAST, SLOW
12.5MHz
25MHz
50MHz
SWH-512A
ENDBLOCK
(VIBRATO, LESLIE)
SWH-510A
PANEL L
(MASTER VOLUME,
CONTROL, TONE, REVERB etc)
SWH-511A
PANEL R
(PRESET, MENU, PLAY etc)
+3.3V
+5V
+5VAN
U7
4580M
OPAMP
+5VAN
-8V
U8
4580M
OPAMP
+5VAN
-8V-8V
+8V
+5VAN
U28
DAC
PCM1791ADB
2.BLOCK DIAGRAM
U19
128Kx16bit
SRAM
61KEYS KEYBOARD
DRAWBARS
SWITCHING POWER SUPPLY
JRC AES10-5
POWER SWITCH
MODULA
TION
PITCH
BENDER
P1
P51
J107
J110
J106 J104
J115
J105
J111
J103J114J113
MIDI OUT
MIDI IN1 MIDI IN2
J115
MASTER
VOLUME
JACK4 JACK6 JACK5
JACK7
JACK2
JACK3
JACK1
U2 DSP
LESLIE
EFFECT
TON E/
EXP
REVERB
EFFECT
OVER
DRIVE
VIBRATO
CHORUS
25MHz
UNBAL
LPFLINE AMPH.P. AM
+5V
+5V
XK-1
XK-1

Hammond XK-1 Specifications

General

Brand	Hammond
Model	XK-1
Category	Electronic Keyboard
Language	English