Sony TRINITRON PVM-14L2 Service Manual page 151

B (3/5) M62399FP-TE2 (IC350, IC351)
CS0 CS1 CS2 VDD VCC A04 A03
20 19 18 17 16 15 14
CHIP SELECT
8BIT 8BIT
UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R
8BIT LATCH 8BIT LATCH
8BIT LATCH 8BIT LATCH
8BIT 8BIT
UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R
1 2 3 8 4 5
R SCL SDA VREFL A05 A06
B (3/5) MB88141APF-ER (IC352)
8-BIT
8 8
LATCH
21
SDA
SCL 20
8-BIT
8
LATCH
CS2 18
IIC BUS
17
CS1
INTERFACE
8-BIT
8
CS0 16
D/A & I/O LATCH
CONTROL LOGIC
MOD 19
8-BIT
8
LATCH
12
8
PVM-14L2/20L2
A02 A01 VREFU2
13 12 11
8BIT 8BIT
UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R
8BIT LATCH 8BIT LATCH
8BIT LATCH 8BIT LATCH
8BIT 8BIT
UPPER DIGITS UPPER DIGITS
SEGMENT R-2R SEGMENT R-2R
6 7 10 9
A07 A08 GND VREFU1
8-BIT
8
+
(R-2R)
1
AO1
D/A CONV.
_
8-BIT
8
+
(R-2R)
4 AO4
D/A CONV.
_
8-BIT
8
+
(R-2R)
5 AO5/D7
D/A CONV.
_
8-BIT
8
+
(R-2R)
12 AO12/D0
D/A CONV.
_
B B
B (3/5) MC74HC4538AFEL (IC356)
VDD 2-C 2-CR 2-RD 2-CK 2-CR 2-Q 2-Q
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1-C 1-CR 1-RD 1-CK 1-CK 1-Q 1-Q GND
B (3/5) TC74HC4538AF-TP2 (IC355)
VDD 2-C 2-CR 2-RD 2-CK 2-CR 2-Q 2-Q
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1-C 1-CR 1-RD 1-CK 1-CK 1-Q 1-Q GND
B (3/5) TC7S32FU(TE85R) (IC357)
IN B 1 5 V
CC
IN A 2
GND 3 4 OUT Y
9-11 9-11
B (3/5) TC7W32F(TE12R) (IC353)
1A 1 8 VCC
7 1Y
1B 2
3 6
2Y 2B
GND 4 5 2A
B (4/5) S-80842ANNP-ED6 (IC453)
OUT 1 4 VSS
VOLTAGE
DETECT
VDD 2 3 NC