Read Sony XDR-S55DAB Service Manual online
XDR-S55DAB
XDR-S55DAB
7
7
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
DAB+3.3V
6
7
3
1
2
49
39
39
53
54
54
25
4
75
3
37
40
38
46
76
78
78
4
2
3
2
3
8
5
5
7
1
9
1
9
2
29
30
16
15
15
21
I
24
33
I
30
10
12
11
XT1
XT2
RESET
HOLD
TXD0
RXD0
MUTE
BEEP
STB
DATA
SCK
DATA
SCK
INR
INL
ANT
DAB+3.3V
DAB+1.2V
DAB+1.2V
LOUT
ROUT
2
3.3V
1
1.2V
SI DOUT
SI DIN
KS0
I
KS3
KR4
I
KR7
AC CHK
AMP SW
CPU+3.3V
RADIO SW
63
1.2V SW
CPU+3.3V
S601
HOLD
VDET1
61
VDET2
1
BATT OFF
LIGHT
LCD CONT
LCD CLK
LCD SO
LCD CS
OUTL
OUTR
VCC+6V
VCC
VSS
VDD
VREF
GND
GND
GND
CPU+3.3V
1
2
LCD+3.3V
SWITCH
Q504
D501
LCD
BACK
LIGHT
BACK LIGHT
LED DRIVE
Q502
MUTE
Q101
MUTE
Q201
BACK LIGHT
LED CONTROL
Q503
AMP+B
SWITCH
Q953
AC CHECK
Q501
AMP CONTROL
SWITCH
Q952
KEY
NETWORK
S501–505,
S601–609
S601–609
LCD
CONTROL
SWITCH
Q505
VOUT
1
2
VIN
OUT
IN
58 SHIMUKE1
VOUT
2
1
VIN
OFF
ON
S515
RESET
RV301
VOL
RESET
IC503
TU1
MODULE
(DAB TUNER)
AUDIO AMP
IC301
AUDIO AMP
CONTROL SWITCH
IC302
SYSTEM CONTROL
IC501
LCD501
LIQUID CRYSTAL
DISPLAY PANEL
ANT1
TELESCOPIC
ANTENNA
VOUT
COM+6V
COM+6V
COM+6V
VCC+6V
CPU+3.3V
CPU+3.3V
CPU+3.3V
VCC+6V
COM+6V
D502
D503
D952
VOLTAGE DETECT
IC502
DAB+3.3V REG
IC952
CPU+3.3V REG
IC951
D951
J901
DC IN 6V
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION LR6)
4PCS,6V
VIN
CONT
1
8
2
3
5
RV301-1
RV301-2
J301
SP301
SPEAKER
J
X501
32.768kHz
CL1
DAB+1.2V
VOUT
DAB+1.2V REG
IC953
VIN
CN
5
1
3
• Signal Path
: AUDIO
CL1
OPEN : UK MODEL
OPEN : UK MODEL
SHORT : SP MODEL
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