Sony TRINITRON PVM-14L5 Service Manual page 157

B1 (1/2), (2/2) MB88141APF (IC2805, IC4803)
8-BIT
8 8
LATCH
21
SDA
SCL 20
8-BIT
8
LATCH
CS2 18
IIC BUS
17
CS1
INTERFACE
8 8-BIT
CS0 16
D/A & I/O LATCH
CONTROL LOGIC
MOD 19
8-BIT
8
LATCH
12
8
B1 (1/2) MC74HC4538AFEL (IC2802)
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
B1 (1/2), (2/2) NJM2233BM (IC803, IC805, IC2803, IC3803, IC3804)
GND
1 5
2 6 VCC
3 7
BIAS
NC 4 8 NC
PVM-14L5/20L5/D14L5A/D20L5A
B1 (2/2) TDA4665T (IC3802)
8-BIT
8
+
(R-2R)
1
AO1
D/A CONV.
_
8-BIT
DGND
8
+
(R-2R)
4 AO4
D/A CONV.
_
8-BIT
8
+
(R-2R)
PULSE IN
5 AO5/D7
D/A CONV.
_
8-BIT
8
(R-2R) +
12 AO12/D0
D/A CONV.
_
B1 B1
DIGITAL
SUPPLY
VP2 1
N.C
2
SIGNAL
CLAMPING
SAMPLE
LINE
AND-
MEMORY
3
HOLD
pre-amplifiers
GND 4
SIGNAL
CLAMPING
SAMPLE
5 LINE
AND-
MEMORY
HOLD
NC 6
3MHz shifting clock
FREQUENCY
SANDCASTLE DIVIDER
PHASE
DETECTOR BY 192
DETECTOR
IC 7
6MHz
LP
CCO
GND 8
9-19 9-19
+
16 (R-Y)IN
–
NC
15
LP
+
14 (B-Y)IN
–
addition output
stages buffers
NC
13
+
(B-Y)OUT
12
–
LP
+
(R-Y)OUT
11
–
10 A GND
DIVIDER
BY 2
ANALOG
9 VP1
SUPPLY