1
2
3
4
5
6
H
G
F
E
D
C
B
A
PSR-E433/PSR-I455
PSR-E433/PSR-I455 BLOCK DIAGRAM
28CA1-2001089956-1
PSR-E433/PSR-I455 BLOCK DIAGRAM
(C1~B3)
(C4~C6)
B01–07
B07–1
1
B01–07
B07–1
1
VR_B
VR_A
CHECK
N1–16,N21–26
FUNC_DP
, FUNK_DM
Center A
PB
Center B
VR A
VR B
Center B
VR B
Center A
VR A
+ADP_V
+V
N11–16, N21–26
N11–16, N21–26
TOUCH RESPONSE
Keyboard 61KEY (16N)
SPEAKER R
TWEETER
+
-
16
16
4
37
1,7,13,25,
38,44
43
5
4
SW303,306,307,313,317,323,327,
333,337,343–345,347,
354–357,364–367,374–377
BACK LIGHT
LCD
DISPLAY
LED:1PC ( Blue )
PPB[3–7]
PPA[0–7]
PP
A[0–7]
LED[1]
LED[1]
SW300–302,310–312,320–322,330–332,
340–342,350–352,360–362,370–372
PPB[0–3]
PP
A[0–7]
PPA[5–7]
L ch
R ch
+3.3D
+5D
+5A
+1.8V
+3.3D
+5D
/RD
/CS3
/CS3
+5A
+V
MASTER
VOLUME
+
-
+
-
L
R
+
-
6
Ω
12cm
SPEAKER L
WOOFER
6
Ω
12cm
SPEAKER R
WOOFER
AC adaptor
PA-150/PA-150A/
PA-5D
L ch
OUT-L
OUT-R
R ch
ADP
+5D
+5D
+3.3D
+3.3D
+1.8D
+5A
+V
+5D
+ADP_V
+5A
+V
+5A
/PSWI
PSWO
/PSWI
PSWO
POWSW
PPB[3–7]
PPA[0–7]
LED[1]
PPA[0–7]
PA[0–7],PG2(RS),
PF0(ENB)
LED_OUT1
MA[1–7],
MD[0–15]
MA[1–23],
MD[0–15]
MA[1–20],
MD[0–15]
MA[1–11], [13],
/RASN (MA[17]),
/CASN (MA[18]),
MD[0–15]
SUS_PEDAL
EN/A, EN/B
14
33
PPB[3]
PPA[7]
SPEAKER L
TWEETER
SUSTAIN
SUSTAIN
+
-
PITCH BEND
+3.3D
TO HOST
TO DEVICE
ROTARY
ENCODER
+
+
-
-
EN/A
EN/B
PPA[0–3]
PB
IC101
PSR-E433 : 128M
PSR-I455 : 256M
/IC1,
/IC2