Sony KP-XR432K90 Service Manual page 60

A BOARD : IC1903 BU4053BCF-T2
16 15 14 13 12
1 2 3 4 5
A BOARD : IC1904 CXA1315M-T4
SDA 14
LEVEL
CONVERTION
15
SCL
POWER
ON
RESET
–
Vcc 16
+
Vcc
REG
8
GND
A BOARD : IC1905 SDA9288
29 1
VREFH 28
Clamping
28
YIN
Circuit
6
Input
Signal
30
UIN
6
Processing
Triple
VIN
32
ADC
6
VREFL 2
Input
Clock Generator
ADR 15
2
SW1 23 I C
SW2 24
21 22 26
11 10 9
6 7 8
13 12 11
LEVEL CONVERTION LATCH
2
I C DECODER
LATCH LATCH LATCH
DAC DAC DAC
AMP AMP AMP
3 4 5
5
16, 27
2
6
Output
PIP Field
Signal
9 9
6
Memory
Processing
6
Read/Write Output
Controller Clock Generator
HSIVSIVSP HSP
Sync–Signal–Processing
20 25 19 17 18 14
– 60 –
2 1 9 10
LEVEL CONVERTION
LATCH LATCH
DAC DAC
AMP AMP
6 7
10 6
11 IREF
8
OUT1
Triple
9 OUT2
DAC
7
OUT3
12 SEL
13
SELD
27MHz
Numerical
PLL
4 3
KP-XR432K90/XR432N90
RM-Y906K RM-Y906