Mitsubishi Electric LC62 CHASSIS XL6500LU Service Manual page 106

PCB-TERMINAL
IC230,IC23 NC7SB35P6X(PBF)
6

S
B
2 5
GND Vcc
3 4
A
B0
Function Table
Function
Input (S)
L
B0 Connected to A
H
B Connected to A
H: HIGH Logic Level
L:LOW Logic Level
IC380 YDA38-EZ
+
-
39
VREFL
+
-
38
INL
2
XI
20
XO
9
CLOCK
CKIO
GENERATION
7
6
/
MUTEN
37
HP MODE
6
PROTN
CONTROL
24,25
MODE[2:0]
26,27
VOL[:0]
5
INR
-
4
+
VREFR
-
+
PVDDREG 40
UNDER VOLTAGE
3
VSSBGR
PROTECTION
REFA 4
THIRMAL
AVSS 2
PROTECTION
DVDD 22
DVSS 8
IC560 MAX4564EKA+T
NC 
V+
2
IN
3
4
NO
Function Table
EN
0
0

X = Don't Care
HEADPHONE
AMPLIFIER
(L-CH)
PPL
BALANCED
PNL
DIGITAL
MODULATION
UNIT
MNL
(L-CH)
MPL
PPL
BALANCED
PNL
DIGITAL
MODULATION
UNIT
(R-CH)
MNL
MPL
HEADPHONE
AMPLIFIER
(R-CH)
OVER CURRENT
PROTECTION
CLOCK
DETECTION
5V REGULATOR
8 COM
EN
7
V–
6
5
GND
IN NC NO
0 ON OFF
 OFF ON
X OFF OFF
42
HPOL
PVDDPL
36
35
OUTPL
30
PVSSL
34
29
OUTML
28
PVDDML
7 PVDDPR
8
OUTPR
9
PVSSR
3
4
OUTMR
PVDDMR
5

HPOR
- B2 -
IC580 24LCS2AT-I*SNG
WP
3
8
Vcc
I/O Memory
Control Control
Logic Logic
4
Vss
5 6 7
SDA
SCL VCLK
IC55,IC552 NC7SZ57P6X(PBF)
I 

GND 2
0
I2 3
Function Table
Inputs
S I I0
L X L
L X H
H L X
H X X
H : HIGH Logic Level
L : LOW Logic Level
IC56 RD74LVC4BTELL
 4
A VCC
3
6A
2
Y
3 2
2A 6Y

5A
4
2Y
5 0
3A 5Y
9
4A
6
3Y
7 8
GND 4Y
FUNCTION TABLE
INPUT OUTPUT
A Y
H L
L H
HV
Generator
EEPROM
Array
XDEC
Page
Laches
YDEC
Sence Amp.
R/W Control
6 S
5 VCC
4 Z
Output
X=(I0)•(S)+(I)•(S)
L
H
L
H