Sony KP-FX43M31 Service Manual page 83

• AD(1/4) BOARD IC9407 : CD0031AM
FINE
DIN1 3 R-MATRIX
SWITCH
CONTROL
COARSE
R-MATRIX
FINE
R-MATRIX
DIN2 2
SWITCH
CONTROL
COARSE
R-MATRIX
FINE
DIN3 1 R-MATRIX
SWITCH
CONTROL
COARSE
R-MATRIX
FINE
R-MATRIX
DIN4 48
SWITCH
CONTROL
COARSE
R-MATRIX
FINE
DIN5 47 R-MATRIX
SWITCH
CONTROL
COARSE
R-MATRIX
FINE
R-MATRIX
DIN6 46
SWITCH
BCLK 4
CONTROL
WCLK 5
COARSE
R-MATRIX
MUTEB 45
CENTER VOLTAGE
OUTPUT
• AD(2/4) BOARD IC9402 : M24128-BWMN6T
VCC
8
3
E0
1
7 SDA
E1 |
E2 3
16k x 8 BITS
SCL 6 EEPROM
5
WC
4
VSS
• AD(2/4) BOARD IC9403 : PST9143NL
5 V
CC
+ 4 OUT
_ _
+
3 GND
• AD(2/4) BOARD IC9422 : NJM2391DL1-33(TE1)
1 IN
REFERENCE
3 OUT
VOLTAGE
THEMAL
SHORT CIRCUIT
OVERLOAD
CURRENT LIMIT
PROTECTION
2 GND
41 OUT1
33 OUT2
37 OUT3
8 OUT4
16 OUT5
12 OUT6
25 OUTC
– 105 –
KP-FX43M31/M61/M91, FX53M31/M61/M91
– 106 –
RM-998