Dme24N - Yamaha DME24N Service Manual

H G
DME24N BLOCK DIAGRAM 001
DC
CN101(6P)
POWER CN51(6P)
+ 24V POWER_OFF
DETECT
UNIT IC108 8P
+48A
DC/DC
IC101
CONVERTER
5P
IC114 3P
+20A
REGULATOR
IC109
3P
+5D
+15A
DC/DC
DC/DC REGULATOR
CONVERTER
CONVERTER IC115
IC105 7P IC110 8P
3P
+3.3D
- 15A
DC/DC DC/DC REGULATOR
CONVERTER CONVERTER IC116
IC111 5P
IC106 7P 3P
+2.5D
+5A
DC/DC DC/DC REGULATOR
CONVERTER CONVERTER IC117
IC107 7P IC112 8P 3P
FAN
- 5A
DC/DC REGULATOR
+24D
CONVERTER IC118
CN102(3P)
IC113 8P 3P
US
USB1_pwr_en/ USB_ VBUS/ USB1_Dp/ USB1_Dm
USB USB
function control function control
CN501 CN105
(5P) (5P)
CN502
USB
+3.3D
CN104
(16P)
+5D
LCD_ON
Back Light
ON/OFF control
LCDFLM/ LCDCL1/ LCDCL2
LCDM_DISP/ LCDDT[0-3]
+3.3D
Contrast control DA[0]
IC100/IC102
8P
/ SYSRES
FP
/ RSTPWR3V
+3.3D
REG. CONTROL
DB3V[0-15]
AB3V[1- 15]
LV244A SWIN[0-10]
/ RD3V, / WR3V
Switch x 12
IC414/IC415
+3.3D
20P
/ CS4
SWSCAN1/
/ CS5 ADDRESS DECODE
Decode
SWSCAN 2
IC303
TR401/TR402
DB3V[16] IC120
IC121
+5D
14P
/RSTPWR 5V
Switch LED +3.3D
SCAN
LED x 44
DB3V[14]
DRIVER
Decode
TD62309 / CS4
DB5V[0-8] IC805
TA400 /CAS_ACT
IC804
VHC273 /5V_ACT
IC803
IC403 /CSSWLED /3V_ACT
14P
20P
SCENE NUMBER
SCN_LD
+5D
TR403
/ SL13ACT
+5D Level Change & Decode
IC316 20P
IC301, IC308 14P
LED DATA
/ SL24ACT
DRIVER
DB5V[0-15]
7segLED
TD62783
TA401/TA402 / CSSIO1
CN401
CN201(30P), VHC273
CN202(10P) (10P),
IC404/IC405 / CSSWLED
CN402
20P
(30P)
/ CSPORT_RTC
EN1
/ RSTPWR5V
+5D
DECODE
+3.3D
IC321
ENINA/
14P
Chattering
ENINB
remove
/ CSSLOT
VHC74
IC413 14P ENEABLE
CN402 CN400
(3P) (3P) VHC14
EC402 IC412 14P
+5D +5A
D/A
AK4393
IC303 28P
+5D +5D
CN301 CN300
/G
Buffer Buffer
(11P) (11P)
IC605-IC606 IC603-IC604
20P 20P
PHONES
LEVEL
CN601–603(30P)
VR301
CN501–503(30P)
DA
+5A
JK301
PHONES
- 15A
HP
+15D
CN302
(6P)
To DC +5D
+3.3D
+5D
+20A
+3.3D
+15A
+20A
- 15A
+15A
+5A
- 15A
- 5A
+5A
- 5A
AN_MUTE
CN504(14P)
F E
DM
+3.3D
To DM
CN104 CN100
+5D
System Reset
(13P) (13P)
+ 3.3D
+ 2.5D S-80137-ANMC
/ P_OFF
IC107 5P
/ MUTE
To DA +3.3D
CN106 +5D / SYSRES
48MHz 16MHz
(14P)
+3.3D
32MByte 16Mbyte
CK O1(64MHz) I
+20A
SDRAM PROGRAM FLASH
+15A
(128Mbitx2) (128Mbit)
- 15A
IC112/IC113
+5A USB xtal/ extal / IRQ / RESET
- 5A 54P
clock
CPU
AN_MUTE
To AD
HD6417727F160
CN107 +5D
INTCLK:128MHz EXTCLK:64MHz /
(10P) +3.3D
clock mode:2(PLLlx4)
+48A
+15A
- 15A IC103
+5A 240P
To DSP CK O2(64MHz) I
CN105 +5D
(11P)
+3.3D
+2.5D
To HP
Level Change
CN109 +15A
3.3V ↔ 5V
(6P) - 15A
+5A
AN_ MUTE
+3.3D
VHC541
IC256
USBC AD[2- 6]
PORT SCIF
(MIDI)
SCI
RXD_ SIO SCK_ SIO
(COM)
/ W AIT TXD_ SIO SIOSYNC
SYNCSIO
M64FS
CPU_SO
CPU_SI
SLOT1_ 16CH,SLOT2_ 16CH,SLOT3_ 16CH,SLOT4_ 16CH
MUTESLOT_O1- O4,MUTESLT_I1- I4, / DSP7MUTE
MUTE CONTROL
CLOCK GENERATOR +5D
PLLP2x2 IC305/IC306
+5D
208P
+5D +5D
96k-PLL 48k-PLL
TLC2932 DIR2
IC313
IC314
14P 14P
/ RES_ DIR
EXT.CLOCK IN
+3.3D +3.3D
SLOT CLOCK Buffer DSP CLOCK Buffer
IC318,IC312 IC317,IC312,IC311
20P 20P
To DSP
(Page 4)
/ CSDSP6,/ CSDSP7,/ CSDSP7#1- / CSDSP7#6,/ DSP6#1- / CSDSP6#4,/ CSATSC1- / CSATSC4
+5D +3.3D +5D +3.3D +5D +5D +5D +3.3D +5D
/G Buffer
Buffer Buffer Buffer Buffer Buffer Buffer Buffer Buffer
IC602 IC608 IC601 IC607 IC655-IC656 IC653-IC654 IC652 IC658 IC651
20P 20P 20P 20P 20P 20P 20P 20P 20P
To DA
(Page 6)
D
+3.3D +3.3D
DECODE Battery Control / RESHP, / DSP_MUTE
IC109,IC110 14P
IC101/IC104
IC120,IC121 14P 8P
+3.3B +3.3D
+3.3D +3.3D
/ IORESET
+5D
RESET PORT
/ CS2W RL
16Mbyte 74VHC273
/ CS2W RH 2Mbit
RTC
COMP. FLASH IC802 20P / IORESET
/ W ESRAM BACKUP SRAM
(128Mbit) RTC-62423
IC803 14P
/ CESRAM IC116
IC118 IC117 IC801 24P
44P
56P 56P IC800 14P
+5D +3.3D
Buffer
232_ n422
DB5V[0- 7]
AB5V[1- 6]
/ RD5V,/ WR5V
/ W RL5V
RD/ nW R5V
SIO4
8MHz
IC900
48P
/ IRQSIO1
+3.3D
EXT.WAIT
WAIT16
/ CSDSP6
VHC163 IC901 16P
/CSSLOT
VHC74 IC904 14P n48K_96K
VHC14 IC106 14P
+3.3D
VHC08 IC302 14P / RSTENET
7SH08
LVC32 IC803 14P
IC703
/SYSRES
LVC08 IC109 14P
5P
AB3V[1- 8]
/RD3V, /WR 3V
DB3V[0- 15],AB3V[1- 8], / WRL3V
/RD3V,/ WR3V,RD/nWR3V RD/ nWR 3V
CN250,251
(80P)
+3.3D +5D
CN700,701(25P)
CN100,
CN101
(80P) CN001,002(25P)
+3.3D +3.3D +3.3D +3.3D +5D
LV245A LV245A /G LV245A
IC001 20P IC002–IC003 20P IC001 20P
DSP
+3.3D
Buffer
IC657
20P
CN651–653
(30P)
CN701–703
(30P)
/RESET- AD
DFS-AD
/ 64FS-AD
FS-AD
12M-AD
PHAN- LOAD
/ D-FF_OE
PAD-LOAD
GAIN12- LOAD
GAIN34- LOAD
GAIN56- LOAD
GAIN78- LOAD
SDATA12
SDATA34
SDATA56
SDATA78
DB-HA[0-7]
CN602(16P),CN603(18P) CN901(16P),CN902(18P)
C B
/SYSRES
/ R_DSP, / RES_DIR
/ PWMUTE
+5D
VHC245 /RSTPWR3V
IC262
20P
+3.3D
VHC245 /RSTPWR5V
IC252
20P
+5D
+5D
GPIIN[0-3]
GPI Receiver
HC4052
GPISEL1,GPISEL2
IC500/IC501
16P
+5D
CN500 CN801
(25P) (25P)
/ RSTPWR 5V
GPI Driver
VHC175
DB5V[0 -15] IC502/IC503
20P
ABT245
IC506/IC507
20P
+3.3D +5D
VHC541 CN404(12P) CN003(12P) HCPL-M600
IC256 20P IC012 6P
+3.3D
VHC14
+5D
IC013 14P
VHC245 VHC00
IC253 20P IC016 14P
+5D +5D +5D
VHC245 232/ n422
IC253 20P
+3.3D +5D +5D
+5D
VHC541 Drive. & Rece.
IC256 20P MAX3221
IC014 16P
+5D
+3.3D
Drive. & Rece.
SN75C1168
VHC245
IC011 16P
IC253 20P
+5D
Transmitter
SN75121
IC009 16P
+5D
+5D
AHCT1G08 Receiver
IC017 SN75124
5P IC010 16P
+3.3D
/ MIDI_OFF
PHY
COMPONENT SYNC CLOCK
ICS1893Y
GENERATOR
SYNCSIO
IC007
VHC14,VHC08 64P
MWC
VHC74
MSYNC
IC319 14P
M64FS
+3.3D
25MHz
IC320 14P
CAS_DT[0-15],CAS_AD[1- 3]
IC321 14P
/CASRD,/CASWR, /CSENET
EtherNET
/ RST_ENET, / IRQ_ENET
CONTROLLER
S1S60000
IC005
100P
To AD
(Page 5)
+5D
To DC
+3.3D
+ 5D
+48A
+ 3.3D
+15A
+ 48A
- 15A
+ 15A
+5A
- 15A
+ 5A
CN903(10P)
AD
28CA1-8832047-1
A
DME24N/DME64N
1
GP
+V
IN
CN803
OUT
GND
CN802
2
JK002 MIDI
IN
OUT
THRU
REMOTE
+5D CN004
WORD CLOCK
OUT
3
IN
JK003
JK001
+3.3D
+5D
EEPROM
93LC46
IC006
8P
4
JK
5
6
3
1