Block Diagram -Audio Section (Former Type) - Sony Walkman D-E220 Service Manual

5-3. BLOCK DIAGRAM — AUDIO SECTION (FOREMER TYPE) —
4
1
10
2
3 4 RAS
4 3 WE
5 23
CAS
6 22 OE
(Page 12) 1
7
8
9
10
TAP801
(TEST)
SYSTEM CONTROLLER
IC801 (2/3)
• Signal Path
: CD PLAY
D-RAM
IC602
HEADPHONE AMP
IC302
LIN LOUT
14 8
RIN ROUT
15 6
MUTE
19 MT SW
PWRSW
20 PW SW
BEEP
17 BEEP
VCPU +2V
S803
HOLD
D601
OFF
ON
14 7 9 28 39
50 - 62,64 65 - 68
LIQUID CRYSTAL DISPLAY
PANEL
LCD801
13 13
J302
(E220/E226CK)
i
(E225)
i/REMOTE
E225 E225
TP314
S805-811
(TSB) VCPU +2V
4 VCPU +2V
3 TSB
2
RMKEY
S804
ESP
OFF
ON
36 18 19
21
S801
TAP802
OPEN
(OPEN)
D-E220/E225/E226CK