Yamaha i88x Service Manual page 87

A B
<P.1>
i88X BLOCK DIAGRAM
1
MLN2
2
IC10-64PIN
PHY-LINK I/F
SCLK(49.512MHz)
PHY
Packet-Master/Slave
2,7,17-19,22 +3.3VD
CN2
SO-53984-6P
24.576MHz
IEEE1394
(S400)
IC2-14PIN
3 6
CN3
SO-53984-6P PLL-Resposse LPF
(Low Jitter/Varipitch Following)
12
*Digital Audio Format:24bit/MSB-First/LeftJustfied/2ch@line
JK3
JK300
PHONES
VR300
MASTER VR
4
OPTI-IN
DAT DOUBLE
select SW SW300
DAT NORMAL
DIGIRAL
R
INT
LD302
G
R
ADAT LD303
G
B
mLAN
LD300
ACTIVE
R
mLAN
G
POWER SW LD301
5
with Front Panel
JK1
DC-IN
JK100
PA-5D
(AC Adaptor)
JK105
IN
MIDI
IN/OUT
OUT
JK101
COAX-IN,OUT IN
6
(SPDIF) JK102
OUT
JK103
OPT-IN,OUT IN
(ADAT/SPDIF) JK104
OUT
JK106
OUT1
OUT1
+Monitor
JK107
OUT2
OUT2
+Monitor
JK108
OUT3
JK109
OUT4
7
JK110
OUT5
JK111
OUT6
JK112
OUT7
JK113
OUT8
8
i88X WIRING
9
10
MLN2
15
11
14
JK1
AC POWER
ADAPTOR
JK100
12
HEC0470-1P
13
JK2
5
14
7
12
15
Note:The wiring fixation of the Connector Assembly follows below.
The solid line terminal
The solid line terminal
16
The broken line
i88X
17
A B
C D
IC8-256PIN IC9-8PIN (GUID/Modul Name/Config)
+3.3VD 1,19,29,34,59,134 14,15 5,6 8 +3.3VD
I C EEPROM
147,160,175194,219 2
MIDI(UART)
(16KBit) MIDI IN/OUT
228,242
I/F
mLAN-NC1
20MHz
[MIDI Packet]
*Up to 40MHz by internal PLL
48 PLL-Lock
Async(Hold)
292
ACTV
Clock for MIDI Packet
16Bit
CPU Bus @mLAN-NC1's CPU core
IOCK
CPU bus
(24.576MHz)
Divider
I/F
*CPLD-#1
*CPLD-#1
mLAN Word-
PLL-Response Clock Direction
Async(Hold)
mLAN Word-
Exp. I/O port
ACTV
Clock Selected
+3.3V Packet-Master/Slave
PLL-Lock
Packet-Master/Slave
PLL-Lock
3,18,51,66,82,91 IC7-208PIN
Tx Digital Audio(16ch)
6
PLL 76
PCA(SYT-Match)
WCK(Fs)
Phase
Digital
Comparator PCB(Divider Out) mLAN-PH2
BCK(64Fs) MCK(256Fs)
Divider Audio
[AUDIO Packet]
I/F
512Fs MCK(256Fs@Fs-44.1 - 48KHz, 128Fs@88.2 - 96KHz)
VCO
PLL-Lock
Rx Digital Audio (24ch)
+3.3VD
4,11,22,33,43,51,59,66,78,91
103,110,117,126,129,132,143
WCK(Fs)
152,160,168,178,190,201
TR501
+3.3VD
CN501 The connector for the inner FLASH-ROM rewriting
+3.3VD
PH-6P
CPU Port
1,35,68
TR502 60
IC505-100PIN
CPU BUS
59
HD64F3024F
58
CPU Port
19 CPU
TR503 16 (INCLUDED ROM)
H8/3024
66
ROM 128KBytes
54
24.576MHz
+3.3V
TR504
55 67
TR505
TR506
+3.3VD
Phantom
+F48V
L900 EM902
D901
5
4
TR901
Switching
IC931-8PIN
Analog
T900 IC904-3PIN EM903 +9VA
Regulator
D903
6
5
4
TA900 Analog
Switching
3 IC903-3PIN
EM905 -9VA
IC901-8PIN
Regulator
FT900
D902
Analog
IC905-3PIN
EM904 +5VA
Regulator
D904
EM906
+12VA
IC902-6PIN
EM901
+5VD Digital
Switching +5VD
IC930-32PIN
L931
Digital
+3.3VD
18-21 11-14
Switching +3.3VD
5
TR902
CN5
52147-7P
CN801
CN6
8801-100P
8831E-100P
CN803 CN800
CN802
51016-17P 51016-17P
51016-17P
DMSUB
1 1
CN500
51016-17P CN503
10
51016-17P
9
4
8
3
It wires in Overall Assembly
It fixes on the connector
It bundles with the main unit
C D
E F G
DMSUB
DM
Audio Data (To MLN2)
Audio Data (From MLN2)
Audio CLK
IC703-48PIN
IC702-14PIN CPLD
Divider
PLL
1
+3.3VD
WCLK
SEL
6,12,27,36
L604
PT
+3.3VD SEL MASTER
IC616-28PIN
IC602-16PIN 6 +5VD
DIR SRC
23
1A 1Y
1B
96K Compatible
MULTI- CS8420(SoftMode)
PLEXER
SEL
IC617-28PIN
+5VD
6,23
DIT
2B
2Y 96K Compatible
2A
16
IC612-44PIN
IC622-8PIN IC609-14PIN
+3.3VD
+5VD 5 U 04 1/2f
10
22.5792MHz
+3.3VD
(44.1KHz)
ADAT
ATSC2
IC613-144PIN Soft Mode
3.3V
+3.3VD 1,18,24,31,126
Address Data
+9VA
MUTE
-9VA
+9VA
control
-9VA
4 8
TR26 IC23-8PIN
IC25-8PIN IC17-16PIN
Monitor VR 4 8
CH1
TR27
VR7
+9VA
4 8 IC24-8PIN -9VA
TR28
IC22-8PIN
4 8 4 8
CH2
TR29
TR12
4 8 IC26-8PIN
IC21-8PIN
PHONES
TR13
+9VA
-9VA
TR14
4 8 IC28-8PIN
+9VA
-9VA
CH3 TR15
4 8
IC27-8PIN IC18-16PIN
DAC
TR16 AK4382
4 8 IC29-8PIN
CH4
TR17
TR18
4 8
IC31-8PIN
+9VA
-9VA
CH5 TR19 IC30-8PIN
4 8
IC19-16PIN
DAC
TR20
4 8 IC32-8PIN
AK4382
CH6 TR21
TR22 IC34-8PIN
4 8 +9VA
-9VA
CH7
TR23 IC33-8PIN
4 8
IC20-16PIN
DAC
TR24 AK4382
4 8 IC35-8PIN
CH8 TR25
CN6 CN4 CN7 CN8
52147-5P PH-7P 52147-14P 52147-8P
11
PSW
JK3
2
13
6
The DMSUB Circuit board is separated-
and connects with MLAN2.
DMSUB
1
CN504
51016-17P
CN8 CN7
52147-8P 52147-14P
28C99-8831034
E F G
H I
-9VA -9VA
CH1 Peak LED CH2 Peak LED
LD2 LD3
TR5,7 TR6,8
256fs +3.3VD +5VA
Buffer +9VA
+9VA
-9VA -9VA CH1 Gain
128fs &
64fs Timing 23
7
IC1-8PIN
1fs control IC16-28PIN
4 8 4 8
1/2fs
4
R161 15
ADC
Fs_count TR3
(Main) 4 8
25
AK5383
IC3-8PIN
-9VA
+9VA
IC11-8PIN
CH2 Gain
IC2-8PIN
4 8
-9VA
+9VA
DIR2
PLL USE
5V
24,39 +5VD
CPU BUS
+3.3VD +3.3VD
IC511-16PIN
IC512-20PIN
+5VA
S/PDIF
20 19
LD504
14
CH1,2
14 Monitor Select
12 3
15
DAC R173 LD500
3 5
11
2
Monitor BUS
CH3,4
9 1 16 FS indicate
AK4382 LD501
Latch
10
15
CH5,6
IC36-28PIN 16 SEL 17
LD502
23
R172
3
DAC CH7,8
22 12-14 18
+3.3VD
LD503
(Main)
20
AK4393
Monitor
21
14
Select SW
SW500
+5VA
+9VA
-9VA
+3.3VD +5VA
IC12-24PIN
IC6-8PIN CH3-Gain
4 8
6 19
16
R162 9 ADC VR5
CS5351 CH4-Gain
+5VA
21
VR6
14 +3.3VD +5VA
3
R174
CH5,6-Gain
IC13-24PIN
4 8
19
6
R163 9
16
ADC
VR3
CS5351
21
IC8-8PIN
+5VA
14
3 R175 +9VA
-9VA
+3.3VD +5VA
CH7,8-Gain
IC14-24PIN
4 8
6 19
16
R164 9
ADC
VR4
CS5351
21
+5VA
IC10-8PIN
14
3 R176
DM
REF PART NO. CONNECTOR ASSEMBLY
No.
1 WC214700 17P 100L P=1.5
2 WC214800 5P 140L P=2.0
3 WC214900 7P 405L P=2.0
4 WC215000 8P 250L P=2.0
5 WC215100 9P 275L P=2.0
6 WC215200 10P 350L P=2.0
7 WC215300 13P 275L P=2.0
8 WC215400 14P 250L P=2.0
9 WC215500 15P 130L P=2.0
10 WC215600 XH-XH 4P 300L
11 WC616100 3P
12 WC215800 PH-PH 8P 330L(S)
13 WC215900 PH-PH 7P 130L(S)
V8029000 PA-5D
14 V8029100 PA-5D U
V8029200 PA-5D E
15
WB122200 IEEE1394 6P-6P2.0m
Note: See parts list for details of circuit board component parts.
H I
J K
Phantom
+5V
+48V
SW1
Phantom SW
Phantom LED
LD1
Hi-Z/LINE/MIC
IC4-8PIN
SW2 2/4
SW2 3/4
Hi-Z
VR1
TR1 JK1
CH1 Mic/Line
Hi-Z
SW2 1/4
SW2 4/4
LINE/MIC
JK2 CH2 Mic/Line
VR2
SW3 1/2
TR2
TR4
SW3 2/2
&
JK2
LED
INSERT I/O
JK206
CH1
JK207 INSERT I/O
CH2
+9VA
JK200
-9VA
CH3 Line
IC5-8PIN
4 8
JK201
CH4 Line
JK202
CH5 Line
4 8
JK203
CH6 Line
JK204
CH7 Line
IC7-8PIN
JK205
CH8 Line
+9VA
-9VA
4 8
IC9-8PIN
: on Front Panel Side
: on Rear Panel Side
28CA1-8831035
DESTINATION
DM-CN500 DMSUB-CN803
DM-CN503 DMSUB-CN802
DM-CN504 DMSUB-CN800
DM-CN502 JK3-CN302
DM-CN5 JK1-CN103
DM-CN8 JK1-CN105
DM-CN2 JK2-CN201
DM-CN6 JK3-CN300
DM-CN1 JK2-CN200
DM-CN7 JK1-CN104
DM-CN600 JK1-CN102
DM-CN101 JK1-CN101
JK1-CN100 POWER-SW
DM-CN3 JK2-CN202
DM-CN4 JK3-CN301
JK1-JK100 AC ADAPTOR
MLN2-CN2(CN3) ---
J K
L
i88X
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i88X
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