Sony VPL-PX41 Service Manual page 102

C (13/19) M62392FP (IC708)
CS0 CS1 CS2 V DD V CC A O6 A O5 A O4
24 23 22 21 20 19 18 17
CHIP SELECT
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
8-BIT 8-BIT 8-BIT
LATCH LATCH LATCH
8
8-BIT 8-BIT 8-BIT
LATCH LATCH LATCH
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
1 2 3 4 5 6
R SCL SDA A O7 A O8 A O9
C (9/19) SN74LV541APWR
(IC501,, IC502, IC503, IC504, IC505, IC506,, IC507)
C (13/19) SN74HCT541PWR
(IC709, IC710, IC712)
G1 1 20 VDD
A1 2 19 G2
A2 3 18 Y1
A3 4 17 Y2
A4 5 16 Y3
A5 6 15 Y4
A6 7 14 Y5
A7 8 13 Y6
A8 9 12 Y7
GND 10 11 Y8
C (7/19) SN75157PS-ELL (IC404)
NON INV IN1 1 8 V
CC
OUT1 2 INV IN2
7
OUT2 3 6 NON INV IN2
GND 4 5 INV IN2
A O3 A O2 A O1 V refU2
16 15 14 13
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
8-BIT 8-BIT 8-BIT
LATCH LATCH LATCH
8-BIT 8-BIT 8-BIT
LATCH LATCH LATCH
8BIT 8BIT 8BIT
UPPER DIGITS UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R SEGMENT R-2R
7 8 9 10 11 12
A O10 A O11 A O12 V refL V refU1 GND
C (13/19) TC74VHCT04AFT(EL) (IC711)
VCC
14 13 12 11 10 9 8
1 2 3 4 5 6 7
GND
C (13/19) TC74VHCT540AFT(EL) (IC713)
20 19 18 17 16 15 14 13 12
VCC
1 2 3 4 5 6 7 8
C (12/19) TC7W126FU(TE12R) (IC652)
G1 1 8 V
CC
A1 2 7 G2
Y2 3 6 Y1
GND 4 5 A2
6-16
C C
C (7/19) TC7W53FK(TE85R) (IC403)
COM 1
A 5
LOGIC
OUT
LEVEL
CONVERTER
OUT
INH 2
3 4
V GND
EE
C (19/19) TC7WH04FK(TE85R) (IC983)
1A 1 8 VCC
2 7 1Y
3Y
2A 3 6 3A
GND 4 5 2Y
C (13/19) TC7WH125FK (IC701)
G1 VDD
1 8
G2
A1 2 7
Y2 3 6 Y1
GND 4 5 A2
11
GND
9 10
6-16
C (19/19) TC7WH14FK(TE85R) (IC987)
8 Vcc
8 VCC
1A 1 7 1Y
C
IN 7 CH0
3Y 2 6 3A
2Y
2A 3 5
C
IN 6 CH1
GND 4
C (19/19) TC7WH32FK(TE85R) (IC986)
1A 1 8 VCC
7 1Y
1B 2
3 6
2Y 2B
GND 4 5 2A
C (19/19) TC7WH74FK(TE85R) (IC984)
C (6/19) TC7WH74FU (IC353)
Vcc PR CLR Q
8 7 6 5
S
D Q
C Q
R
1 2 3 4
CK D Q GND
C (17/19) TPA2000D2PWPR (IC901)
V
DD
19
GAIN
RINN 8
ADJUST
GAIN
RINP 17
ADJUST
SHUTDOWN 10
BIASES
2
RAMP
GAIN1 15 GAIN
AND
GENERATOR
REFERENCES
GAIN0 3
COSC 7
ROSC 18
BYPASS 22
GAIN
LINP 20
ADJUST
GAIN
LINN 5
ADJUST
AGND
6
9 PV
DD
GAIN
11 ROUTN
DRIVE
12 PGND
16 PV
DD
GAIN
14 ROUTP
DRIVE
13 PGND
OC
START-UP
DETECT
PROTECTION
OC
LOGIC
DETECT
THERMAL VDD OK
21 PV
DD
GAIN
23 LOUTP
DRIVE
24 PGND
4 PV
DD
GAIN
2 LOUTN
DRIVE
1 PGND
VPL-PX41