Block Diagram And Wiring Connection; Peripheral Mxh-40A - Hammond XK-5 Service Manual

+3.3V
OLED Unit 20x2
J401
J407
VOLUME U2
SWH-536A
SUB
SW&LED
(2/2)
Rotary Encoder CPU ROTARY
SW
SWH-536A(1/2)
J409
WR-HZ185-J
LEFT PANEL
WR-HZ185-G
J410
SW&LED
SW H-537A
END BLOCK
+3.3V
+15V
+13V
U12,13,14,15,16
+30V MUTE_RELA Y
OPAMP
+12.6V
NJM4580M
heater
V2 V1
VACUUM
VACUUM
+13V -15V
TUBE TUBE
12AX7 12AU7
U26
-15V U29
ELECTRONIC
OPAMP
VOLUME
NJU7032M
for TUBE BIAS
U27
ELECTRONIC
VOLUME
-15V
+5V +13V +30V +5V
+15V
+3.3V
charge pump
5V_SENS
Lev el
U17
shift
DC/DC
+5V
CONVERTER
U18
J306 LT1534
DC/DC
F16D700 Q11,12
CONVERTER
P ower ON/OFF
J308
AOZ1905
P op Noise Mute
C ircuit -15V
SPI(SWSCAN),RESET_SWLED
WR-HZ185-E
WR-HZ185-F
CNH-44A
JK2
WR-HZ185-L
WR-HZ185-K
J404
UPPER DRAWBARS
VRH-50A
WR-HZ185-H
SPI(SWSCAN),RESET_SWLED
E X P -50/E X P -20
FS -9H
E X P -100F
JK5
SW2 SW1
+3.3V
Lamp
GND
JACK INSERT DETECT
AD_FOOT1,2
+15V R L2,5
AD_LAMP
PhotMO S
+13V
R elay (EXP-100F INSERT DETECT)
+3.3V,+1.8V
U4,5,9,11,23,28
+10.5V
OPAMP
NJM4580M U32
GPIO(see signal list)
REG.
+3.3V
UART1,2,4
+15V Digital Audio Data
-15V +5V
(TDM8ch 44.1kHz 24bit)
U3
U7,10
OPAMP CODEC
I2C(CODEC,VOLUME Control)
OPA1662AIDGK
4IN/8OUT
+5V +1.8V
UART1
RESET_LK
R L1 +3.3V
-15V
PhotMO S
MUTE_RELA Y
+5V
R elay
U30,Q6,Q10
MUTE Lev el
POWER ON/OFF
Lev el
+3.3V
shift
Pop Noise Mute
shift
Circuit +5V
+3.3V +5V
R L3,4
MUTE_RELA Y PhotMO S
S LOW Q5
R elay
+5V
J303
Q3 FA S T
driv er
LESLIE_DETECT +3.3V J304
Q1,2,4 J307
J305
driv er
FFC20B190
WR-XK3-S
LE S LIE 11P IN
WR-DB602C-A
PED AL
UPPER DRAWBARS
D R AW
LOWER DRAWBARS
BAR S
VRH-50A
D B-602C VRH-50B
PERIPHERAL
MXH-40A
JK3
+5V
+16V
+5V +15V
Lamp
MIDI
I/F
Paralell 8bit(OLED)
UART2,4
AD_EXP100
SPI(SWSCAN)
+3.3V
AD_FOOT1,2
RESET_KEY
AD_LAMP
JACK INSERT DETECT
U19
LESLIE_DETECT
+16V
SUB CPU
Lamp
SPI(KEYSCAN)
+5V
KEYSCAN
U20
DC/DC
CONVERTER
AOZ1905
J311 J312 J314
FFC20B190
FFC20A50
61key 3 contact Keyboard Ass'y
KCH-21A,KCH-22A,KCH-23A
WR-HZ185-D
power off relay coil
+5V 455mA
WR-HZ185-B
WR-HZ185-C
+5V
POW ER SW
SWITCHING POWER SUPPLY
with Power OFF Relay
OMRON S8EX-N03005
OMRON A8GS-D1385
30W/5V
WR-HZ185-L
WR-HZ185-K
LOWER DRAWBARS
+3.3V
VRH-50B
GPIO signal list
name description
RESET_KEY reset for sub CPU(keyscan)
RESET_SWLED reset for sub CPU(swscan)
RESET_LK reset for sub CPU(XLK-5)
POWER_OFF power sw remote off
SLOW leslie control(slow)
FAST leslie control(fast)
MUTE audio mute when turn on/off power
MOTHER
MGH-106A
U25
+3.3V
SUB CPU +5V
P O W E R O N
S E Q U E N C E
U23,24,26,27,28,29,30 +4.2V
+5V
U12
D5
Power Management Circuit
POWER
D C / D C C O N V E R T E R
MANAGEMENT
R E G U L A T O R
IC (PMIC) +3.3V
L O A D S W I T C H
I2C(PMIC Control)
25MHz
JK2
3.3V,1.8V
U22
microSD
CLOCK
GENERATOR
SPI(clock gen
24MHz
control)
U15
MAIN CPU
Digital Audio Data
DSP
(TDM4ch 44.1kHz 24bit)
Control & Generate
C6657
1GHz I2C(DSP Control)
Dual SPI
SPI(DSP
U20
software update)
Serial
U17
bus
Flash
DDR3 RAM
SW
ROM
J6
I2C(PMIC Control)
WR-HZ185-A
AC IN
100～240V
XK-5
50/60Hz
2.BLOCK DIAGRAM
4.WIRING CONNECTION
XK-5
J414
VOLUME
SW&LED
SPI U7
SUB
RESET
CPU SW H-538A
RIGHT PANEL
+5V
US B B type
US B A type
DE V ICE HOS T
JK1
JK3
+3.3V
+5V
+1.5V
J7
U34
load
SW
5V,3.3V,1.8V
JK4
microSD
U3
i.MX6
ARM A9
1GHz
Quad
U11
U4,5,6,7
DDR3 RAM FRAM
&