Sony VPL-PX41, Service Manual

Page: 91 / 136

6-5
VPL-PX41
6-5
Q Q
Q (1/9, 2/9) 24LC21AT/SN (IC100, IC200)
5
7
6
8
4
1 2 3
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
H/V
GENERATOR
SENSE AMP
R/W CONTROL
YDEC
SDA
VCLK
SCL
VCC
VSS
NC NC NC
Q (6/9) BU4052BCF-E2 (IC603)
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1 0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B 9
12
14
15
11
16
13
10
Q (1/9) HA4314BCB (IC102, IC103, IC104)
1
2
3
4
5
6
7 8
14
13
12
11
10
9
DECODER
IN0
IN1
IN2
IN3
GND
GND
GND
V+
A0
A1
CS
OUT
NC
V–
Q (6/9) LM358PSR (IC602)
1
2
3
4
8
7
6
5
OUTPUT A
INPUT A –
INPUT A +
GND INPUT B +
INPUT B –
OUTPUT B
V
CC
Q (5/9) MAX202CSE (IC502)
C1+
1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
Vcc
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
VOLTAGE DOUBLER
VOLTAGE
INVERTER
Q (5/9) PC74HC123D (IC500)
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
A
RD
C
Q
B
GND
Q
R
9
VDD
R
C
RD
Q
B
Q
A
Q
Q D
RD
Q
Q
RD
Q (3/9) SN75453BPS (IC304)
1
2
3
4
8
7
6
5
1 A
1 B
1 Y
GND
V
CC
2 B
2 A
2 Y
Q (1/9, 7/9) TC74HC4052AF (IC101, IC701)
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1 0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
Q (7/9) TC74HC4053AF (IC702, IC703)
1
2
3
4
5
6
7
8
11
10
9
16
15
14
12
X1
X0
Y1
YC
Y0
EN
V
EE
GND
V
DD
XC
ZC
Z0
13 Z1
AZ
AX
AY
OPEN
OPEN
OPEN
Q (6/9) TDA7309D013TR (IC601)
1
19
18
17
16
15
11
12
13
14
20
LOUDL
IN2L
IN1L
VS
CREF
IN3R
LOUDR
IN2R
IN1R
IN3L
2
3
4
5
6
7
8
9
10
RECOUTL
OUTL
CSM
SDA
SCL
DGND
GND
ADD
OUTR
RECOUTR
MUTE
LOUDNESS
SERIAL
BUS
DECODER
+
LATCH
MUTE
LOUDNESS
SOFT
MUTE
SUPPLY