Psr-E443 Block Diagram - Yamaha PSR-E443 Service Manual

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PSR-E443 BLOCK DIAGRAM

TOUCH RESPONSE
Keyboard 61KEY (16N)
61L-MK 61H-MK
(C1~B3) (C4~C6)
PC0–5,PD0–5 PC0–5,PD0–5
SW37-61
SW1-36
CN2 (5P) CN1 (12P)
CN5 (7P)
CN502 (7P) CN503 (5P) CN501 (12P)
DMLCD
+3.3D
16 16
DECODER DECODER
74LV138A 74LV138A
IC501 (16P) 1-3,5 IC502 (16P) 1-3,6
KYB[01-04]
+1.8V
23,31,54,64,
70,111,153
+3.3D
18,25,56,57,
68,74,112,151
/PSWI 49
PSWO 164
+5D
IC111 (5P)
CPU
5 RESET 4
130
SWL01U
+3.6V 50ms
IC001 (176P)
16.9344MHz
QUARTZ CRYSTAL UNIT 21,22
F Tolerance±50PPM
X101
48MHz
71
RESONATOR QUARTZ
F Tolerance±100PPM
X102
/CS3,/RD,/WE,
LDQM,UDQM
+3.3D
14 /CS3,
MA[1-7],
LOGIC GATE
3,6,8
MD[0-15]
SN74LV32APWR
56-58
IC403 (14P)
USB
23
CONTROLLER
PROG./
R8A66597FP
+5D
WAVE
IC402
IC401 (5P)
1
(80P)
HIGH-SIDE SW
39,40
R5524N002A
5
To Host
To Device
CN401
PSR-E443
N M L K
VR STANDBY/ON SW
Knob A Knob B
VR301
PB
ASSIGN
PITCH BEND
PB
VR2
CN303 (8P) CN301 (13P)
LED DRIVER
TR309
+3.3D
PA[0–7]
LED DRIVER
IC301
TR300,302,304,306
(16P)
PA[0–7],
RS,ENB
LCD DRIVER
IC601 (80P)
VR_A,VR_B,
36,38-46
VOLT_CHECK /IC1-2
33
REGULATOR
5
+3.3D
+3.3V
163
IC801 (3P)
REGULATOR
3 4
+1.8D
+1.8V
143-150
IC802 (5P)
36,50,135-142
+3.3A
EN/A, EN/B
51,52
6,14
SDO,SYSCLK,
DAC
BCLK,WCLK
1 LPF
35,37,39,40 24bit
7-10 IC201
16 fc=34kHz
(16P)
SYSCLK,
IC701 (20P)
BCLK,
AUXIN-IN
13
WCLK
10,11, ADC 24bit
14
15
SDI
PCM1803A
41 12 5
1 2
L ch R ch
SUS_PEDAL
/CS4,/WE,RCLK,
LDQM,UDQM,
MA[1-11],[13],
/CS0, /CS2,
/RAS(MA[17]),
MA[1-23], MA[1-22],
/CAS(MA[18]),
MD[0-15] MD[0-15]
MD[0-15]
ROM
7
FLASH
IC702
128M SDRAM
ROM
16M 1 (8P)
16M 5
IC131
BA4580RF
IC121
3
IC101 (50P)
(48P)
(56P)
+3.3D
AUXIN-IN
AUX IN
CN402 JK701
J I H
PNL
SW200
SW
300-302,310-312,
SW MATRIX
320-322,330-332,
VR302
( SW: 24PCS )
340-342,350-352,
360-362,370-372
LED
(LED: 3PCS)
PPB[3]
LD351,361,371
PPA[7]
CN310 (8P) CN330 (13P)
AMJK
LCD
DISPLAY
BACK LIGHT
LED:1PC( Blue )
4
+5D
VR1
MVR
L ch
R ch
A5kΩ
MASTER
L ch
VOLUME
R ch
L ch
+3.3D
R ch
+5A
+5D
+5D
+5A
+5A
+ADP
+ADP
SUSTAIN
+B
+B
/PSWI
/PSWI
PSWO
PSWO
28CA1-2001127017
G F E D
PNR SW
303,306,307,313,317,323,327,333,337,
POWSW
343-345,347,354-357,364-367,374-377
SW MATRIX
PPB[3–7]
( SW: 25PCS )
LED
(LED: 4PCS)
LD301,311,321,331
CN300 (14P)
CN203 (3P)
SUSTAIN
IC201 (3P)
REGULATOR
2 1
JK221
+5V
4
IC202
(15P)
PHONES/
L OUTPUT
POWER
12 3
AMP
R
5
2.5W x 2
11
JK211
BA5417
7
+
-
TR203
+
-
TR201
D205 D206
+
TR202
-
FZ201
C B A
1
PSR-E443
ENC
ENCODER
2
EC1
EN/A
EN/B
3
4
5
6
7
8
TWEETER
TW
-
L
+
SPEAKER L
9
WOOFER
6Ω 12cm
SPEAKER R
TWEETER
TW
10
+
R
-
BATTERY
11
1.5V x 6
AA-size,LR6 or
equivalent batteries
AC adaptor
PA-150/PA-150A/
PA-150B/PA-5D
JK201
12
PSR-E443