MZ-E909
23
23
6-7. SCHEMATIzC DIAGRAM – AUDIO SECTION –
z
Refer to page 16 for Notes.
z
Refer to page 24 for IC Block Diagrams.
IC301
C204
C201
R201
R202
R104
C103
R106
R103
R203
R206
R204
C203
C101
R102
R101
C104
C305
C306
C304
R302
R303
C804
TAP801
CN802
S801
S802
S803
S804
S805
S808
S809
R811
R812
R813
R814
R301
C301
C303
C302
Q301
C803
CN803
C102
C202
CN804
S806
R815
D802
D801
TA2131FL
6800p
1
33k
33k
10
0.22
6.8k
4.7k
4.7k
6.8k
10
0.22
1
33k
33k
6800p
2.2
22
4V
4.7
6.3V
6.8k
220k
0.01
(OPEN/CLOSE)
20P
(OPEN/CLOSE)
6.8k
10k
15k
33k
33
10
6.3V
1
0.1
2SC4738FL
470p
9P
100
4V
100
4V
9P
68k
TLQU1008
SET KEY
XWK1
OPEN/CLOSE
HOLD SW
GND
XHP STB
MUTE
BEEP
VIF
UNREG
R IN
L OUT
AGND
AGND
L IN
R OUT
STB
MUTE
BST SW
BEEP
GND
VREF IN
+B
OUT L
PWR GND
OUT R
DET
AGC IN
BTS
NF2
LPF2
NF1
LPF1
VREF
OTUA
BEEP
IN L
IN R
VCC
ICM
T
BEEP
OTUB
HOLD
ON
OFF
REFERENCE
VOLTAGE
SWITCHING
LED R
LED G
VC
LED O
LED R
LED G
SET KEY
XWK1
OPEN/CLOSE
HOLD SW
GND
VC
LED O
LED R
LED G
SET KEY
XWK1
OPEN/CLOSE
HOLD SW
GND
VC
LED O
GROUP
KPTB-1612SURKMGKC
HEADPHONE AMP
VOLUME-
1
5
9
1
5
9
(ORANGE)
(GREEN)
(RED)
D801,802
(3 COLOR LED)
MAIN BOARD
(LAST DIGIT-11)
CN801
MAIN BOARD
(LAST DIGIT-21)
CN801
Содержание Walkman MZ-E909
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