Sony CD Walkman D-EJ011, Service Manual

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12 12
D-EJ011
D-EJ011
5-5. SCHEMATIC DIAGRAM – MAIN BOARD (2/2) –
• See page 7 for Waveforms. • See page 15 for IC Pin Function Description.
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG0
COM1
COM2
COM3
COM4
D404
D803
IC801
IC802
L405
L404
L402
165uH
C416
C417
R414
R415
C419
C420
L403
10uH
C405
R404
S801
S807
S802
S803
S805 S804
S808
S809
S812
SL801
R624
R823
R829
C619
R812
R828
R830
R831
R832
R833
R834
R839
C805
R804
CN801
SL803
R818
R805
C806
R806
R815
C802
R810
1M C804
R841
R821
C811
C809
C807
1
Q403
Q404
F401
CN401
CN402
R844
R843
C808
F402
S811
R840
R402
R401
C401
J401
R817
UDZS-TE17-12B
1SS355TE-17
BU1377KS2
S24CS02AFJ-TB-G
0H
0H
47p
0.1
10
1k
220
6.3V
220
6.3V
1000p
100
1k
100k
100k 0.1
100k
1k
1k
1k
1k
1k
1k
100k
0.1
0
22P
100k
VARISTOR
0.1
47k
R807
47k
10k
0.01
VARISTOR
100k
100k
0.1
0.1
2SD2652T106
SWITCHING
2SD2652T106
SWITCHING
2A
32V
10k
10k
1
2A
32V
(OPEN)
(OPEN)
100k
22k
100k 1
10k
BUS
VCC GND PVCC B+ D GND
COM1
COM2
COM3
COM4
SEG01 SEG02 SEG03 SEG04 SEG05 SEG06 SEG07 SEG08 SEG09 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG00
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG09
SEG08
SEG07
SEG06
SEG05
SEG04
SEG03
SEG02
SEG01
COM4
COM3
COM2
SEG00
COM1
2
11
3 4 5 6 7
20 15 13
1
16
8
14 19
DC IN 4.5V
DRY BATTERY
SIZE"AA"
2PCS. 3V
(IEC DESIGNATION R6)
HOLD
ON
OFF
SDA
SCL
WP
VCC GND
A2
A1
A0
XOUT75
XIN75
TEST0
XRESET
XHP MUTE
TU CTL
CD CTL
XXRESET
VDD
DQM
BUSY
RW
MCK
DIN OUT
K STOP
BEEP
K TUNER
K PLAY
INNER
OPEN/CLOSE
SEL CHG SEL CEX
CHARGE CTL
XLINEOUT MUTE
EE SCL
PLL CE
PLL CLK
PLL DATA
EE SDA/REM SDA
KEYSCAN6
KEYSCAN5
KEYSCAN4
KEYSCAN1
KEYSCAN2
GND
KEYSCAN3
PLL RST
ST DET
XLINE DET
SUBSYQ
HOLD
MMUE2
MMUE1
XP.OFF
TEST1
SEL DRAM
SEL OPTION
WREM
TEST MODE
KEY1
BATT-
BATT+
DC IN
VDD
XOUT4M
XIN4M
GND
1
5
10
15
20
22
LIQUID
CRYSTAL
DISPLAY
SYSTEM CONTROL
MO/ST
EEPROM
BOARD
MAIN
(1/2)
(Page 11)