Read Sony XDR-CD70DAB Service Manual online
XDR-CD70DAB
19
19
XDR-CD70DAB
6-6. SCHEMATIC DIAGRAM – MAIN Board –
•
See page 24 for Waveforms.
•
See page 24 for IC Block Diagrams.
•
See page 27 for IC Pin Function Description.
C807
R809
R805
L801
R807
C805
C810
C811
C817
C818
R814
R812
X802
R856
R857
R858
R850
R851
R852
R853
R854
R870
C855
C854
JC801
R817
R832
R833
R834
R835
C835
JC802
R822
C823
Q803
R821
Q804
R823
R824
R826
R827
R828
R829
R830
R844
R842
R841
R839
R831
R838
R840
R843
C837
R845
R846
L803
R804
C801
C804
Q452
Q451
Q453
Q454
D801
R847
C840
C842
C843
C841
R451
R457
R848
R867
R836
R837
R802
R453
R459
D452
R462
R461
R456
D451
R455
C865
C806
R801
R868
C867
R866
C862
R803
C802
IC804
LCD801
CN803
CN804
CN806
C814
C813
C812
C815
C816
C819
JC803
IC803
IC802
Q806
Q805
C861
R865
Q801
Q802
R825
C858
C866
C847
R864
R863
R862
R861
R860
R859
TP811
TP809
TP810
IC801
R816
R818
R819
R815
R820
S419
L802
47
µ
H
C809
X801
D802
0.01
0
0
10k
22p
10p
22p
22p
22p
1k
1k
8MHz
1k
1k
1k
10k
10k
10k
10k
10k
10k
470p
470p
0
100k
100k
100k
100k
100k
0.01
0
100k
0.1
RT1P141C
1k
2SC3052EF
-T1-LEF
22k
10k
1k
1k
1k
1k
2.2k
470
1k
10k
10k
1k
100
100
1k
100
10V
10V
470
1k
220k
0.1
22p
RT1N436C
RT1N436C
RT1N436C
RT1N436C
MC2836
2.2k
0.01
0.01
100
10V
10V
0.01
470
470
1k
0
22k
47k
10k
4.7k
4.7k
1L0345W31
B0CT001
220
0
220
1L0345W31
B0CT001
0
0.1
0.47
10k
0
0.1
4.7k
100p
10k
0.01
TK11145CSCL
3P
4P
5P
0.01
10p
22p
10p
22p
0.01
0
S-80820CNMC
TK11140CSCL
RT1N441C
RT1P144C
100p
4.7k
2SC3052EF
2SC3052EF
47k
0.1
0.1
1000p
10k
10k
1k
1k
1k
1k
(ATS GND)
(ATS 1)
(ATS 2)
10k
1k
10k
1k
100k
100
10V
10V
RB721Q-40T
3.3V-CHK
KEY0
KEY1
KEY2
KEY3
R-ON
MID
HIGH
LCD-SCL
LCD-SDA
O-P-ON
O-AMUTE
O-V-DAT
O-V-CLK
O
-B
TCH
K
O
-C-ON
LCD-SDA
LCD-SCL
KEY3
KEY2
KEY0
KEY1
KEY2
HIGH
MID
O-V-CLK
O-V-DAT
R-ON
V-RXD
V-TXD
O-BUZ
O-AMUTE
O-P-ON
KEY0
I-C-BUSY
O-C-RSTX
I-C-DAT
I-C-SUBSYQ
O-C-MCK
O-C-RW
O-C-DAT
O-NPNP
BTRY
BTRY
C-ON
O
-C
-M
CK
I-C
-DAT
O-C-DAT
V-TXD
V
-RXD
O-BUZ
I-C-SBSYQ
I-C-BUSY
O-C-RSTX
O-C-RW
O-N
PNP
3.3V-CHK
OFF
OFF
O-C-ON
O-BTCHK
C-ON
LCD-SCL
LCD-SDA
NC
O-C-ON
NC
NC
NC
NC
NC
NC
NC
NC
NC
O-BTCHK
NC
NC
NC
NC
I-CD OPEN
NC
O-ATS2
O-ATS1
O-BRGHT-M
O-BRGHT-H
O-P-ON
O-AMUT
NC
O-V-DAT
O-V-CLK
NC
NC
NC
3.3V-CHK
I-BTCHK
I-SW0
I-SW2
I-SW3
E
V
D
D
V
D
D
EV
S
S
V
S
S
R
E
G
C
E
X
C
LK
FL
M
D
O
X
T
1
X
T
2
R
E
S
E
T
N
C
N
C
N
C
N
C
N
C
N
C
N
C
S
H
IFT
-B
S
H
IFT-A
O
-N
P
N
P
O
-C
-R
W
O
-C
-R
S
T
X
I-C
-B
U
S
Y
I-C
-S
B
S
Y
Q
N
C
O
-B
U
Z
N
C
V
-R
X
D
/F-R
X
D
V
-TX
D
/F-TX
D
O
-C
-D
A
T
I-C
-D
A
T
O
-C
-M
C
K
N
C
N
C
N
C
N
C
A
V
R
EF
A
V
S
S
I-OFF/
ALRMRST
ALRMRST
A
C
IN
I-
O
U
T
V
D
D
V
S
S
N
C
N
C
NC
SDA
SCL
VDD
VSS
VLCD
NC
NC
VO
VI
NP
GND
CNT
GND
NP
CNT
VO
VI
KEY3
KEY2
GND
OFF
KEY1
KEY0
GND
LID
GND
+6.2V
SNOOSE
GND
HIGH
MID
V-CLK
V-DAT
R-ON
V-RXD
V-TXD
O-BUZ
A-MUTE
P-ON
KEYO
AC IN
BUSY
RST
D-OUT
SUBSYQ
MCK
RW
D-IN
NPNP
BTRY
AU6V
C-ON
1
12
12
1
SYSTEM CONTROLLER
µ
PD78F0547GC (S) – UBT – A
RESET SIGNAL
GENARATOR
+4V REGULATOR
BATTERY DETECT
D451,452
Q451-454
LED DRIVE
CD POWER
LIQUID CRYSTAL DISPLAY
+4.5V REGULATOR
Q801,802
SHIFT CLOCK
Q803,804
AC DETECT
CD LID
OPEN/CLOSE
X
1
RADIO SW
I-SW1
(LCD BACK LIGHT)
(FOR CHECK)
ON/OFF CONTROL
U-GND
NC
3.3V_CHK
32.768kHz
(Page 21)
(Page 21)
(Page 23)
(Page 23)
(Page 23)
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