Sony DAV-DZ350 Service Manual page 39

IC601 CS8422
RX0/RXP0 1
RX1/RXN0 2
4:1
MUX
VA 3
AGND 4
RX2/RXP1 5
RX3/RXN1 6
CONTROL PORT
AD0/CS 7
&
AD1/CDIN 8
REGISTERS
GENERATOR
9 10
– FUNCTION KEY Board –
IC800 PT6315
LED1 1
LED2 2
LED3 3
LED4 4
OSC
OSC 5
DOUT 6
DIN 7
SERIAL DATA
INTERFACE
CLK 8
STB 9
K1 10
K2 11
32 31
RECEIVER
CLOCK &
DATA
RECOVERY (PLL)
FORMAT
DETECT
C OR U
DATA BUFFER
(FIRST 5 BYTES)
SERIAL
AUDIO
INPUT
GENERAL
PURPOSE
OUTPUTS
CLOCK
LEVEL TRANSLATORS
11 12 13 14 15
44 43 42 41 40 39
LED DRIVER
DIMMING
CIRCUIT
KEY MATRIX
MEMORY
TIMING GENERATOR
DISPLAY MEMORY
(24 BITS x 12 WORDS)
CONTROL
12 13 14
30
LEVEL TRANSLATORS
2:1
MUX
SAMPLE
RATE
CONVERTER
3:1
MUX
3:1
MUX
16
38 37 36 35 34
4
33 SG19/GR10
32 SG18/GR11
31 SG17/GR12
GRID
DRIVER
30 VEE
29 SG16/KS16
28 SG15/KS15
27 SG14/KS14
SEGMENT DRIVER/
24
GRID DRIVER/
KEY SCAN OUTPUT
26 SG13/KS13
25 SG12/KS12
24 SG11/KS11
23 SG10/KS10
15 16 17 18 19 20 21 22
DAV-DZ350/DZ650/DZ950
29 28 27 26 25
SERIAL
AUDIO
OUTPUT
SERIAL
AUDIO
OUTPUT
24 OSCLK2
23 SDOUT2
22 VL
21 DGND
20 VD_FILT
19 VREG
18 GPO2
17 GPO1
39