Sony XDR-M1 Service Manual ▷ View online
17
XDR-M1
• IC Pin Description
• IC501 MB90F474LPFV-GE1 (SYSTEM CONTROL) (MICON BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
P22
O
Parallel data signal output to LCD driver
2
P23
O
Parallel data signal output to LCD driver
3
P24
O
Parallel data signal output to LCD driver
4
P25
O
Parallel data signal output to LCD driver
5
P26
O
Parallel data signal output to LCD driver
6
P27
O
Parallel data signal output to LCD driver
7, 8
P30, P31
O
Not used in this set. (Open)
9
VSS
—
Ground pin
10
P32
O
Not used in this set. (Open)
11
LCD RD/P33
O
LCD parallel data read signal output
12
LCD WR/P34
O
LCD parallel data write signal output
13
LCD A0/P35
O
LCD data/command change signal output
14
LCD RES/P36
O
Reset control signal output to LCD driver
15
LCD CS/P37
O
Chip select control signal output to LCD driver
16 to 20
P40 to P44
O
Not used in this set. (Open)
21
VCC5
—
Power supply pin
22 to 24
P45 to P47
O
Not used in this set. (Open)
25
RXD/SIN0
I
UART data signal input
26
SOT0
O
UART data signal output
27 to 32
P72 to P77
O
Not used in this set. (Open)
33
AVCC
—
A/D converter power supply pin
34
AVRH
I
A/D converter external reference power supply pin
35
AVRS
—
A/D converter ground pin
36
AN0
I
Key signal input 0
37
AN1
I
Key signal input 1
38
AN2
I
Key signal input 2
39
AN3
O
Not used in this set. (Open)
40
VSS
—
Ground pin
41 to 44
AN4 to AN7
O
Not used in this set. (Open)
45
IRQ0/P80
I
Flash write signal input Normally: “L”
46
IRQ1/P81
I
Flash write signal input Normally: “L”
47
MD0
I
Mode disignation signal input 0 Normally: “H”, Flash write: “L”
48
MD1
I
Mode disignation signal input 1 Normally: “H”, Flash write: “L”
49
MD2
I
Mode disignation signal input 2 Normally: “L”, Flash write: “H”
50
IRQ2
I
Battery off detect signal input (Radio forced off)
51
IRQ3
I
Voltage detect signal input (Radio forced off)
52
IRQ4
O
Not used in this set. (Open)
53
IRQ5
I
Key interruption signal input
54
IRQ6
I
HOLD key signal input
55
IRQ7
I
Voltage detect signal input
56
SIN1/PLL DI
I
PLL serial communication data signal input
57
SOT1/PLL DO
O
PLL serial communication data signal output
58
SCK1/PLL CLK
O
PLL serial communication clock signal output
59
P93/PLL CE
O
PLL chip enable signal output
60
P94/EEPROM CS
O
Not used in this set. (Open)
61
P95/BEEP
O
BEEP signal output
62, 63
P96, P97
O
Not used in this set. (Open)
64
PA0
O
Not used in this set. (Open)
65
PA1/KEY OFF
O
Key power supply control signal output ON: “L”
66
PA2/MUTE
O
Mute signal output ON: “L”
67
PA3/RADIO SW
O
Radio power supply control signal output ON: “H”
18
XDR-M1
Pin No.
Pin Name
I/O
Pin Description
68
P50/DAB SW
O
DAB power supply control signal output ON: “H”
69
P51/AMP SW
O
Audio amplifier power supply control signal output ON: “H”
70
P52
O
Not used in this set. (Open)
71
P53/LIGHT
O
Back light control signal output ON: “L”
72
P54/SHIMUKE 1
I
Destination select signal input 1
73
P55/SHIMUKE 2
I
Destination select signal input 2
74
P56
O
Not used in this set. (Open)
75
RST
I
Reset signal input
76
P57/SHIFT CLK
O
Shift clock signal output ON: “H”
77
X1A
O
Sub clock oscillator connect pin (32.768 kHz)
78
X0A
I
Sub clock oscillator connect pin (32.768 kHz)
79
VSS
—
Ground pin
80
X0
I
Main clock oscillator connect pin (8 MHz)
81
X1
O
Main clock oscillator connect pin (8 MHz)
82
VCC3
—
Power supply pin
83
VOL SCK/P00
O
Audio IC I2C serial data signal output
84
VOL DA/P01
O
Audio IC I2C serial clock signal output
85 to 98
P02 to P17
O
Not used in this set. (Open)
99
P20
O
Parallel data signal output to LCD driver
100
P21
O
Parallel data signal output to LCD driver
19
XDR-M1
SECTION 6
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
6-1. CABINET REAR SECTION
Ref. No.
Part No.
Description
Remark
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
R
R
1
X-2055-934-1 LID (BATTERY) SUB ASSY
2
3-252-825-11 SCREW (1.7)
3
2-587-934-01 LID, BATTERY CASE
4
2-589-016-01 SHEET, INSULATING
5
X-2055-935-1 MAIN BOARD, COMPLETE
6
3-254-136-01 SCREW (B1.4)
TU901
1-479-242-11 MODULE (DAB TUNER)
1
2
3
4
5
6
not supplied
not supplied
not supplied
TU901
20
XDR-M1
6-2. CABINET FRONT SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
A-1103-313-A KEY BOARD, COMPLETE
52
3-254-135-01 SCREW (B1.4)
53
2-587-931-01 TERMINAL (+), BATTERY
54
2-587-949-01 LEVER
55
2-589-017-01 SPRING, COMPRESSION COIL
56
X-2055-931-1 BUTTON (FRONT) SUB ASSY
57
X-2055-932-1 PLATE (LEVER) SUB ASSY
58
2-587-932-01 TERMINAL (–), BATTERY
59
X-2055-930-1 CABINET FRONT SUB ASSY
60
2-587-951-01 SPRING (BUTTON)
61
2-587-933-01 TERMINAL (+, –), BATTERY
62
3-252-825-11 SCREW (1.7)
63
2-593-953-01 CUSHION (A)
64
2-593-954-01 CUSHION (B)
65
2-595-866-01 SPACER (A)
66
2-596-904-01 CUSHION (LEVER)
67
3-553-567-00 CUSHION
68
2-594-371-01 SHEET (BLIND)
51
60
61
52
52
53
54
55
56
57
58
59
62
62
63
64
65
66
67
68
68
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