Psr-1100 Block Diagram - Yamaha portatone psr 1100 Service Manual

A B

PSR-1100 BLOCK DIAGRAM

1
PITCH BEND
CN16
VR3
PB2
2
3
CN300
FOOT PEDAL1
(SWITCH)
JK304
JK303
FOOT PEDAL2
MIDIOUT
MIDIIN
4
USB/MIDI
Selector
1
IC380
JK301
MIDI IN IC308
MIDI
I/F
5
JK300
TR300,
MIDI OUT
301
CN501
51
CN360 52
USB
8
USB
CPU
25,26
17
IC350
CLOCK
6MHz
VR300
6
X351
LCD
CN303
CONTRAST
7
STANDBY/ON
DC-IN Line
Filter
16V
CN105 CN104
JK100
8
SW
PSR-1100
9
A B
C D E
CN10 (PN3)
ENC
Panel SW Matrix
Panel LED Matrix
DATA ENTRY
CN13 LD[0..7]
CN2 LSEG[0..11]
CN1
PN1
CN4(PN1) (PN1)
CN2 (PN1) (PN1)
CN100 CN600
CN600
3 to 8
5V 3.3V IC913
Tr Array
Dec. 3
Buffer
IC600 IC601
2
BRI_F
207 DA0
/DATACS
100
/RD,/WE
103,104 88,89
P-BEND 206 /RAS,/CAS
106,108
AN6
CKIO,CKE
CN109 162,105
/PEDALIN 118 DQMUU,DQMUL,DQMLU,DQMLL
CPU
89-92
FOOTVOL 199
RD/WR
AN0 93
SH3
SUSTAIN 200
AN1 /SDRAMCS,/PROGCS,/STYLECS
96,98,99
MIDIOUT 166
/MUTE
172 116
MIDIIN
/DACK
169 IC100
/USBIC 114
203
USB/MIDI
D[0..31]
AN4
IC001
/IC
193
+5D A[0..23]
4
RESET 155,156
/8BITCS
101
5
4.2V/50msec
/16BITCS
102
CLOCK
15 3 1
10.00MHz
Dec Dec
X101
5V 3.3V
3.3V 5V
IC308 IC308
Buffer Buffer IC911
12 5
IC301
1
MASK
CN102
128M
CN1
CLOCK 15,16 CPU
5.00MHz
IC1
CL1
MKS5F
CN2-4
MK-L , MK-H
(C1~A3) (A#3~C6)
Keyboard
CN106
CN105
IC101
+B +12A
CN103
12V
3 1
REG.
CN104 CN105
CN908
AM 1/2
C D E
F G
, PN2 , PN3 , PN4
Ripple
+
1
Filter
-
Circuit
IC205,IC206: MASK ROM or
IC201,IC202: FLASH ROM
ROM
SDRAM P2 ROM
32Mx2
64M 64M
18,19
IC203
IC200
67,68
RD/WR /RD
59,28,
17 Program 14
71,16
/SDRAMCS /PROGCS
20 12 Style/Para
DataBus
2,3
Buffer
(3.3V 5V)
5D[0..7]
6
CLOCK
33.8688MHz
X800
/TGCS
SMA[0..22] 2
150
/5RD,/5WE1
SMD[0..15]
152,151
/5TGIC
1
SWX00B
IC804
/SOE
27 41 IC801
/SCS0
24
74
WAVE
16 30 15
DRAM
4M
IC800
+5A
2,25-27 18,28 CN908 MASTER
CN100
24
/5LSIIC CN102
VOLUME
DAC
VOL
12,13,
IC700
CN100 VR100
16,17
CN103
+5D
1 2 1 3
3.3V
CN908
DC-DC
+3.3D
REG.
IC114 IC111 +12A
/MUTE MUTE
3 1
5V
+5A
REG.
TR702
IC112
DM
F G
H I
INV
Back Light
CN2
DC-AC
INV.
module
320x240
CN1
CN104 CN500
/VWR
27 7
/VCE
FLASH
20 8
SRAM
8M
VA[0..14]
256K
IC204
/RD /RD,/WE
14 28,11
VD[0..7]
/STYLECS /DATACS
12 26 IC501
Data storage
fc = 6kHz
-12dB/Oct
4,6 2,2
HPF
+12V
IC107,108
Buffer x2
0dB
4,6 2,8 13
4,6 8,8
EQ
LPF
IC102
CN102 IC104,105 fc = 6kHz
VR
-12dB/Oct TR100~106,400,401
CN103
ATT
H I
J K L
PSR-1100
LCD
FDD
+5D
CN300
CN103
CONTRAST
1
/5IRQF
21
8.00MHz
/5DREQ
20
LCDC FDC
/LP
37 /DACK
7
/5WE1
/5WE1
14
5
IC500 IC300
/5RD
/5RD
15
4
/LCDCS
19 /FDCS
6
CLOCK
16.00MHz
X300
+12A
IC111 JK104
2
4,6 R
AUX OUT
8
L
+12A
JK102
2
R
4,6
OUTPUT
8
L
IC112
+B
4 IC113
CN109
L
1
8,10 Tweeter
2
ATT
3
R
L & R
5
+B
11,18 L
CN110
15
17
2,7
Woofer
ATT 14
12
L & R
5 R
IC110
MUTE
Circuit
AM 2/2
CN111
+12A
IC114
2
3
6,7
PHONES
1
JK105
CN108
HP
28CA1-8826448
PSR-1100
J K L
1
2
3
4
5
6
7
8
9