Block Diagram -Audio Section - Sony D-NE509 Service Manual

D-NE509
5-3. BLOCK DIAGRAM — AUDIO SECTION —
16 BIT D-RAM
4
1
11
2
3 5 XRAS
4 4 XWE
5 23 XCAS
22
XOE
A
(Page 15)
6
7
8
CN807
5
TXP21
6
RXD22
7
TEK23
TEST
8
RST30
CONNECTOR
9
BOOT78
8M28 10
28 78 30 23
• Signal Path
: CD PLAY
67 18 19 20
SDCLK
F
(Page 15) SDIN
SDOUT
1 2 3 4
IC803
EEPROM
VCC3
(+2.6V)
IC603
HEADPHONE AMP
IC301
LIN LOUT
14 8
VREF 7
RIN ROUT
15 6
MUTE
19 MT SW
PWRSW
20
PW SW
BEEP
17 BEEP
S810
HOLD
OFF
ON
SYSTEM CONTROLLER
IC801 (2/3)
22 21 77 6 40 39
44 - 51 71 72 69 61 73 97 96
17 - 10 18 19 20 23 24
LIQUID CRYSTAL DISPLAY
PANEL
LCD801
VDD
+2.4V
2 3
REG
IC802
16 16
J301
i
S811
G-PROTECTION
1
2
36 37
INTERRUPT
I/F
Q801,802
S801,802,803,806,809
S820
TAP805
S811-814
OPEN/CLOSE