Ic Block Diagrams - Sony STR-LV500 Service Manual

STR-LV500
4-14. IC Block Diagram
– DIGITAL Board –
IC111 LC89056W-E
36 35 34 33 32 31
CE 37
CLK 38
SAMPLING
FREQUENCY
MICROCOMPUTER
INTERFACE
XSEL 39
LOCK
DETECT
MODE0 40
MODE
SELECT
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DATA
DOSEL1 45 DEMODULATOR
CKSEL0 46
CKSEL1 47
SYSTEM
XMODE 48
INPUT
RESET
CIRCUIT
1 2 3 4
30 29 28 27 26 25
C BIT PA/PB 24 AUDIO
DETECT DETECT
23 EMPHA
22 XIN
21 XOUT
CLOCK
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
TIMING 14 BCK
13 CKOUT
PLL
5 6 7 8 9 10 11 12
– DISPLAY Board –
IC802 µPD16315GB-3BS
KEY2 11
KEY DATA MEMORY
(2 x 16 bits)
KEY1 10
OSC
TIMING GENERATOR
OSC
KEY SCAN
R
STB 9
CLK 8
SERIAL
DISPLAY MEMORY
INTERFACE
24 bits x 12 words
DIN 7
DOUT 6
COMMAND DECODER
DSC 5
VIDEO LED 4
DVD LED 3
4-bit
LATCH
TV/SAT LED 2
GRID DIRVER
TUNER LED 1
30 30
23 SEG10
24 SEG11
25 SEG12
26 SEG13
27 SEG14
28 SEG15
29 SEG16
DIMMING
CIRCUIT
30 VEE
31 GRID12
32 GRID11
MULTIPLEXED
DRIVER 33 GRID10