Sony XDR-S20 Service Manual ▷ View online
9
9
XDR-S20
XDR-S20
4-1. BLOCK DIAGRAM
1
30
26
28 27
73
59 60 61
31
63
77
20
22
24
14
7
1
6
11
2
2
4
1
23
3
5
9
10
FM MIX
FM
MPX
PLL CONTROL
OSC
RF AMP
Q1
BUFFER
Q101
BUFFER
Q201
AC DETECT
Q503
+B SWITCH
Q955,956
+B SWITCH
Q954,957
+B SWITCH
Q514,515
+6.4V REG.
Q951-953
+3.3V REG.
IC952
+3.3V REG.
IC951
+5V REG.
IC953
RESET
IC504
+B SWITCH
Q501
LEVEL
DETECT
IC502
+3.3V
(CPU+B)
LCD DRIVER
Q507,508
Q510,512
Q510,512
DC/DC CONVERTER
Q4,5
LPF
Q3
FMIFIN
MIXOUT
CF1,CF2
CF3
FM FRONT-END, IF DET, FM MPX
IC1
ANT1
DAB/FM
TERESCOPIC
ANTENNA
L3,L5,CT1
FM
TRACKING
POWER AMP
IC301
SPEAKER
SP301
J301
SWITCH
IC302
RV301
VOLUME
MUTE
BEEP
LED+B
RCH
13
8
LCH
IN2
IN1
LED+B
STBY
12
VCC
OUT2
OUT1
RF IN
FMOSC
(VT)
BUFFER
T1
TU1
DAB MODULE
SYSTEM CONTROLLER
IC503
Q504
D504,505
(LCD BACK LIGHT)
KEY
NETWORK
KEY
INTERRUPT
Q502
LCD501
LIQUID CRYSTAL
DISPLAY PANEL
3
5
16
15
D5
D4
ANT
SI-DOUT
RXD/SIN0
P53/LIGHT
16
LCD_RES/P36
17
LCD_CS/P37
15
LCD_A0/P35
20
P42
19
P41
SI
SCL
A0
CS1
RES
68
P17/LCD_VCC
38
AN0
39
AN1
40
AN2
55
IRQ5/KEY INT
35
AVCC
36
67
AVRH
PA1/KEY OFF
SOT1/PLL_DATA
SCKI/PLL_CLK
P93/PLL_CE
P95/BEEP
RST
P74
TXD/SOT0
SI-DIN
LOUT
ROUT
+3.3V
(FM+B)
(FM+B)
+3.3V
(FM+B)
FMRF
OUT
OUT
RF
DETOUT
MPXIN
CE
DO
CLOCK
QUOD
DATA
BUFFER
Q102
MUTE
Q103
MUTE
Q203
MUTE
DRIVE
Q301
BUFFER
Q202
i
80
79
X502
32.768kHz
X0A
X1A
82
83
X501
7.36MHz
+3.3V
(CPU+B)
X0
1 P20/SHFT_CLK
53
1
2
IRQ3/VDET
X1
4
2
5
7
8
S601-604
S605-614
S605-614
Xtal
FREQUENCY
SHIFT
SWITCH
Q505,506
BATTERY
DETECT
IC501
D501
+3.3V
(FM+B)
F901
D910
D952
D905
(BATT)
CN902
-
AC IN
DRY BATTERY
SIZE "C"
(IEC DESIGNATION LR14)
6pcs, 9V
T901
POWER
TRANSFORMER
RECT
D901-904
D507
D506
D502
52
1
2
BATT_OFF
54
IRQ4/AC-CHK
71
P51/P-CON
70
P50/DAB SW
69
PA3/RADIO SW
+3.3V
(DAB)
(DAB)
+3.3V
(CPU+B)
S501
RESET
+5V
(DAB)
LED+B
1
8
2
3
2
1
5
1
2
L3
CT1
D7
D8
L5
L4
L4
FM FREQUENCY
COVERAGE
• Signal Path
: FM
: DAB
10
10
XDR-S20
XDR-S20
4-2. PRINTED WIRING BOARD – MAIN SECTION –
•
See page 8 for Circuit Boards Location.
:Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
IC951
3
2
1
JC901
C111
JC9
Q951
R961
R119
C109
R111
R211
R302
R304
JC302
IC953
1
4
8
5
L2
JC6
R30
C26
R6
C6
C8
C108
JW30
C308
JC201
C34
R16
C20
T1
R17
R18
R305
C22
C204
R116
R106
R9
C112
C212
-2
-1
R105
R215
JC8
X1
IC1
30
16
1
15
C9
C107
C12
C15
JC102
JC5
C31
C24
C28
R24
R11
R12
C17
C18
C25
L3
L5
L4
R31
R32
C27
CT1
TP(VT)
C30
C11
R8
R210 R219
C301
1
6
12
7
C967
IC952
D953
1
3
2
1
3
5
4
C970
JW57
JW5
JW6
JW4
JW3
JW2
JW1
C951
R958
R955
R960
C961
R102
R202
B to B
(SHIELD CASE)
CN1
CN3
ANT1
DAB/FM
TELESCOPIC
ANTENNA
DAB
MODULE
(VENICE)
R964
R963
D952
1
5
CN951
BLU
WHT
RED
CN301
D910
C957
C959
C211
C958
C954
C953
C210
Q203
Q955
C956
C955
R103
R203
R962
Q952
JW20
JW9
D951
C960
C968
C962
C969
C966
CN1
JW27
JW7
JW8
JW22
JW28
JW23
C964
D954
R951
C4
C3
CN2
L7
L1
L8
C2
D1
C7
C10
JC3
C113
C213
C104
Q101
R101
C207
R201
Q201
R14
D4
D5
Q4
C21
C19
R15
R113
R7
R1
C5
C33
JW26
C14
C13
R19
D7
R13
D8
R23
R26
R27
R25
R22
R21
R20
JC2
JC4
R115
R213
R217
R117
R216
R206
R205
C208
R5
C110
IC302
R952
R110
R303
Q103
R956
C209
JW52
JW29
JW19
JW24
CF1
CF2
CF3
ANT
JW25
W101
JW21
JW18
W6
JW60
1
3
5
4
2
B C E
B C E
Q3
B C E
E C B
Q102
E C B
Q5
B C E
Q1
E C B
Q956
JW17
JW12
JW11
JW58
JW10
JW13
JW31
JW32
JW33
JC602
JC601
JC103
R606
R605
R604
R602
JW34
S601
S603
S602
S604
JW35
JW16
JW15
C305
Q301
JW14
JW53
E C B
Q202
E C B
B C E
Q954
E C B
1
2
15
16
CN601
W501
W502
E C B
E C B
B C E
Q953
C304
C303
E C B
Q957
E C B
E C B
IC301
C37
C963
C965
C23
C973
C972
RV301
VOLUME
TUNE MODE
1-868-774-
(11)
11
HEADPHONE JACK
BOARD
W571
C
MICRO COMPUTER
BOARD
CN501
A
MICRO COMPUTER
BOARD
CN501
B
POWER
BOARD
W752
D
MAIN BOARD
• Semiconductor
Location
Ref. No.
Location
D1
F-11
D4
H-14
D5
H-13
D7
D-11
D8
D-12
D910
B-3
D951
E-6
D952
C-5
D953
E-8
D954
E-8
IC1
E-12
IC301
C-7
IC302
B-7
IC951
B-4
IC952
E-7
IC953
E-9
Q1
E-11
Q3
D-13
Q4
I-13
Q5
I-13
Q101
G-13
Q102
F-12
Q103
B-8
Q201
H-13
Q202
F-13
Q203
C-8
Q301
C-10
Q951
D-6
Q952
D-6
Q953
D-7
Q954
F-8
Q955
D-10
Q956
D-10
Q957
E-8
(Page 11)
(Page 11)
(Page 13)
(Page 13)
11
11
XDR-S20
XDR-S20
4-3. PRINTED WIRING BOARDS – POWER SECTION –
•
See page 8 for Circuit Boards Location.
:Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
+
+
+
–
i
R901
DRY BATTERY
SIZE “C”
(IEC DESIGNATION LR14)
6pcs, 9V
T901
POWER
TRANSFOMER
C911
W1
W2
C910
C912
D905
W752
W702
BLU
BLK
BLK
W4
W3
WHT
RED
D901
D903
D904
D902
F901
CN903
CN904
RED
WHT
BLU
1-868-776-
(11)
11
W702
W3
W4
BLK
BLK
CN902
AC IN
BLU
WHT
RED
1-868-779-
R112
J301
R212
W703
W751
+
-
5
1
R
L
SPEAKER
SP301
1-868-778-
HEADPHONE JACK BOARD
POWER BOARD
AC INLET BOARD
-
MAIN BOARD
CN301
C
MAIN BOARD
CN951
D
(11)
11
(11)
11
(Page 10)
(Page 10)
12
12
XDR-S20
XDR-S20
4-4. SCHEMATIC DIAGRAM – MAIN SECTION –
•
See page 16 for IC Block Diagrams.
•
See page 15 for Waveforms.
IC B/D
IC B/D
IC B/D
L5
L3
CT1
R31
R19
C24
C25
R20
R32
L4
C31
C17
R11
R24
C18
C15
R14
C34
C19
C20
R15
C21
R16
R17
C22
C23
R18
X1
C14
C13
L8
C2
R1
C4
R6
R30
C5
R7
R8
C26
JC2
R5
CF1
CF2
C6
C8
R9
JC3
C7
C213
C113
JC8
R113
R213
R951
R960
C958
C957
R956
C953
C954
IC951
CN951
C911
D903
D901
D902
D904
F901
T901
C964
C966
C965
C973
C961
Q954
R964
IC953
C956
C962
C968
C960
IC952
C967
C955
R302
R304
C305
R112
R212
J301
C210
C209
C970
C110
C111
C951
C211
C304
C303
R961
R211
R210
R111
R219
JC302
R952
R110
R119
JC102
JC103
C301
JC901
C108
C208
R115
R215
R101
C107
R201
R117
R105
JC201
R205
R217
C207
C308
R303
C3
L7
JC4
JC5
JC601
R602
JC602
R604
CN301
RV301
R13
CN902
JC6
CF3
CN903
CN904
C910
R901
C912
C969
R102
R202
R103
R203
R106
R116
R206
R216
C204
C104
C109
IC302
JC9
R955
R958
C959
L2
C37
IC1
C112
C212
L1
C27
C28
C30
C33
R12
R606 R605
ANT1
CN2
SP301
W751
CN601
CN3
Q101
Q201
R305
Q103
Q203
IC301
D905
D952
Q951
Q952
D951
Q953
D910
D953
D954
Q301
Q5
Q4
D4
T1
D5
Q3
D8
D7
Q102
Q202
Q955
Q956
Q1
D1
Q957
CN1
TU1
C963
C972
R962
R963
R27
R26
R25
C9
C10
C11
C12
S604
S601
S602
S603
R23
R22
R21
(Page 14)
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