Sony VPL-FX51 Service Manual page 103

C (5/8) 74VHC123AMTCX (IC5501)
VCC 1R /C 1C 1Q 2Q 2CLR 2B 2A
D X X
16 15 14 13 12 11 10 9
CLR
Q
Q
Q
Q
CLR
1 2 3 4 5 6 7 8
1A 1B 1CLR 1Q 2Q 2C 2R /C GND
X D X
C (5/8) 74VHC125MTCX (IC5503, IC5504, IC5509)
1 OE 1 14 VCC
1A 2 13 4 OE
12 4A
3
1Y
11 4Y
2 OE 4
2A 5 10 3 OE
9 3A
2Y 6
GND 7 8 3Y
C (5/8) 74VHCT04AMTCX (IC5506)
VCC
14 13 12 11 10 9 8
1 2 3 4 5 6 7
GND
VPL-FX51
A B
C (3/8) CXA1875AM-T4 (IC5303)
16 15 14 13 12
LEVEL
LATCH
CONVERTER
LEVEL
CONVERTER
2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH
– DAC DAC
+
VCC
REG
AMP AMP
1 2 3 4 5
C (6/8) M62392FP (IC5601)
CS0 CS1 CS2 V V A A A
DD CC O6 O5 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 A A
O7 O8 O9
C D
C C
11 10 9
OPEN COLLECTOR
LEVEL
CONVERTER
LATCH LATCH
DAC DAC DAC
AMP AMP AMP
6 7 8
A A A V
O3 O2 O1 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 A A V V GND
O10 O11 O12 refL refU1
6-23 6-23
E
C (2/8) SN74AHCT541PWR C (5/8) TC7W14FU (IC5508)
(IC5208, IC5209, IC5210)
1A 1
G1
1 20 VDD
3Y 2
A1 2 19 G2 2A 3
GND 4
A2 Y1
3 18
A3 4 17 Y2
C (5/8) TC7W32FU (IC5507)
A4 5 16 Y3
1A 1
A5 6 15 Y4
1B 2
A6 Y5
7 14
2Y 3
GND 4
Y6
A7 8 13
A8
9 12 Y7
GND 10 11 Y8
C (2/8, 5/8)
TC7W74FU (IC5502),
TC7WH74FU (TE12R) (IC5204)
Vcc PR
C (2/8) TC7W04FU (IC5207)
8 7
S
D
C
R
1A 1 8 VCC
3Y 2 7 1Y 1 2
CK D
2A 3 6 3A
GND 4 5 2Y
C (1/8) TK11900MTL (IC5108)
V IN
6
C (5/8) TC7W08FU (IC5505)
VCC
1A 1 8
1B 2 7 1Y
BANDGAP
REFERENCE
2Y 3 6 2B
1
GND 4 5 2A
NOISE BY PASS
F G
8 VCC
7 1Y
6 3A
2Y
5
8 VCC
7 1Y
6 2B
5
2A
CLR Q
6 5
Q
Q
3 4
Q GND
GND V OUT
5 4
ON/OFF THERMAL
CIRCUIT SENSOR
2 3
CONT FEED BACK
H