Sony XDR-S55DAB Service Manual ▷ View online
XDR-S55DAB
13
• IC Pin Function Description
MICRO COMPUTER BOARD IC501
MICRO COMPUTER BOARD IC501
μPD78F0547GC (S)-UBT-A (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
BATT OFF
I
Battery off detect signal input (forced radio off)
2
LCD CONT
O
LCD power supply control signal output “H”: on, “L”: off
3
LIGHT
O
LCD back light control signal output “H”: on, “L”: off
4 to 9
NC
O
Not used. (Open)
10
RESET
I
Reset signal input “L”: reset
11
XT2
I
Sub clock oscillation crystal connect pin (32.768 kHz)
12
XT1
O
Sub clock oscillation crystal connect pin (32.768 kHz)
13
FLMDO
I
Flash memory programing mode pull pin
14
EXCLK
I
Flash write clock signal input
15
XI
I
Flash write clock signal input
16
REGC
I
Regulator output stabilized capacitance connect pin (Connect to 0.47
μF.)
17
VSS
—
Ground pin
18
EVSS
—
Ground pin
19
VDD
—
Power supply pin
20
EVDD
—
Power supply pin
21 to 24
KS0 to KS3
O
Key source signal output 0 to 3
25
HOLD
I
Hold switch signal input “H”: on, “L”: off
26 to 29
NC
—
Not used. (Open)
30 to 33
KR7 to KR4
I
Key return signal input 7 to 4
34 to 36
NC
O
Not used. (Open)
37
AMP SW
O
Audio amplifi er operation switch signal output “H”: on, “L”: off
38
RADIO SW
O
DAB module operation switch signal output “H”: on, “L”: off
39
MUTE
O
Mute signal output “L”: on, “H”: off
40
AC CHK
I
AC adapter connection detect signal input “H”: AC, “L”: DC
41
INTP2
I
Pull down pin (10 k
Ω)
42 to 45
NC
—
Not used. (Open)
46
VDET1
I
Radio off voltage detect signal input “L”: Radio off
47, 48
NC
O
Not used. (Open)
49
BEEP
O
Beep signal output
50
F-RXD
I
Flash write signal input
51
F-TXD
O
Flash write signal output
52
NC
O
Not used. (Open)
53
RXD0
I
UART data signal input
54
TXD0
O
UART data signal output
55, 56
NC
O
Not used. (Open)
57
SHIMUKE2
I
Not used. (Pull down)
58
SHIMUKE1
I
Destination select signal input (Clock) “L”: 12H (SP model), “H”: 24H (UK model)
59
AVREF
I
A/D converter reference voltage signal input
60
AVSS
—
Ground pin
61
VDET2
I
Reducing voltage detect signal input
62
NC
O
Not used. (Open)
63
1.2V SW
O
DAB module switch signal output
64 to 74
NC
O
Not used. (Open)
75
LCD CS
O
LCD serial communication chip select signal output
76
LCD SO
O
LCD serial communication data signal output
77
NC
—
Not used. (Open)
78
LCD CLK
O
LCD serial communication clock signal output
79
NC
O
Not used. (Open)
80
NC
O
Not used. (Open) Sub clock signal output (Test mode)
14
XDR-S55DAB
SECTION 4
EXPLODED VIEWS
1
3-918-696-11 SCREW (M3X6 LOCK ACE)
2
2-683-983-01 CABINET (REAR) (BLACK)...(BLACK)
2
2-683-983-21 CABINET (REAR) (WHITE)...(WHITE)
2
2-683-983-31 CABINET (REAR) (PINK)...(PINK)
3
3-252-827-01 SCREW (B2.6), (+) BV TAPPING
4
2-514-255-01 PLATE (ANT), CONTACT
5
2-698-560-01 TERMINAL (+, –), BATTERY
6
2-683-984-01 LID, BATTERY (BLACK)...(BLACK)
6
2-683-984-21 LID, BATTERY (WHITE)...(WHITE)
6
2-683-984-31 LID, BATTERY (PINK)...(PINK)
7
3-267-201-01 CUSHION (BATTERY CASE LID)
8
2-683-988-01 KNOB
(TUNE)
(BLACK)...(BLACK)
8
2-683-988-21 KNOB
(TUNE)
(WHITE)...(WHITE)
8
2-683-988-31 KNOB
(TUNE)
(PINK)...(PINK)
9
2-683-987-01 KNOB
(VOL)
(BLACK)...(BLACK)
9
2-683-987-21 KNOB
(VOL)
(WHITE)...(WHITE)
9
2-683-987-31 KNOB
(VOL)
(PINK)...(PINK)
10
3-252-747-01 SPRING,
RING
11
3-228-708-01 SPRING
(JOG)
12
3-035-166-21 SPACER
(LCD)
ANT1
1-501-222-91 ANTENNA, TELESCOPIC (FM) (for BLACK)
ANT1
1-501-362-31 ANTENNA, TELESCOPIC (FM) (for WHITE,PINK)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice.
vice.
Some delay should be anticipated when
ordering these items.
• Abbreviation
SP
SP
: Singapore model
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
R
R
Parts Color Cabinet’s Color
• Accessories are given in the last of the
electrical parts list.
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
4-1. REAR CABINET SECTION
ANT1
cabinet (front) section
chassis section
9
10
11
12
8
3
1
2
4
3
3
3
5
6
7
3
15
XDR-S55DAB
51
3-254-070-01 SCREW
52
2-683-985-21 BUTTON (TOP) (WHITE)...(WHITE)
52
2-683-985-31 BUTTON (TOP) (PINK)...(PINK)
52
2-683-985-41 BUTTON (TOP) (BLACK)...(BLACK)
53
2-683-989-01 KNOB
(HOLD)
(BLACK)...(BLACK)
53
2-683-989-21 KNOB
(HOLD)
(WHITE)...(WHITE)
53
2-683-989-31 KNOB
(HOLD)
(PINK)...(PINK)
54
X-2176-005-1 CABINET (FRONT) SUB ASSY (B)
(BLACK)...(BLACK)
54
X-2188-010-1 CABINET (FRONT) SUB ASSY (W)
(WHITE)...(WHITE)
54
X-2188-011-1 CABINET (FRONT) SUB ASSY (P) (PINK)...(PINK)
55
2-683-991-21 WINDOW
(WHITE)...(WHITE)
55
2-683-991-31 WINDOW
(PINK)...(PINK)
55
2-683-991-41 WINDOW
(BLACK)...(BLACK)
56
2-888-799-01 SHEET
(SPEAKER)
57
X-2159-362-1 NET (SPEAKER) ASSY (B) (BLACK)...(BLACK)
57
X-2188-012-1 NET (SPEAKER) ASSY (W) (WHITE)...(WHITE)
57
X-2188-013-1 NET (SPEAKER) ASSY (P) (PINK)...(PINK)
58
3-258-923-02 CUSHION
(E)
SP301 1-826-488-11 SPEAKER
(7.7cm)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
4-2. CABINET (FRONT) SECTION
SP301
51
52
53
54
55
56
57
58
16
XDR-S55DAB
4-3. BOARDS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
3-254-070-01 SCREW
102
A-1363-130-A JACK BOARD, COMPLETE
103
2-698-559-01 TERMINAL (–), BATTERY
104
2-698-558-01 TERMINAL (+), BATTERY
105
3-273-476-01 HOLDER
(DAB_MDL)
106
A-1363-128-A MAIN BOARD, COMPLETE
107
2-683-990-01 ARM
(JOG)
108
2-683-993-04 CHASSIS
109
X-2188-459-1 MICRO COMPUTER BOARD SUB ASSY (UK)
109
X-2188-826-1 MICRO COMPUTER BOARD SUB ASSY (SP)
LCD501 1-802-206-11 DISPLAY PANEL, LIQUID CRYSTAL
TU1
1-480-340-31 MODULE
(DAB
TUNER)
TU1
not supplied
(KEY board)
(KEY board)
not supplied
(REG board)
(REG board)
not supplied
not supplied
LCD501
101
101
101
101
101
101
101
101
103
104
105
102
106
107
108
109
Click on the first or last page to see other XDR-S55DAB service manuals if exist.