Sony XR-5880R / XR-5890R Service Manual ▷ View online
– 32 –
Pin No.
1
SEKOUT
O
Seek out
2
AFSEEK
O
AF seek
3
–
–
Not used
4
ST IND
I/O
Stereo display input and control MONO output
5
TUMUTE
O
Tuner mute output
6
FM ON
O
FM_ON output
7
TU ON
O
TUNER_ON output
8
VCC
–
Power supply terminal +5V
9
–
–
Not used
10
BUSON
O
Bus ON control output
11
SYSRST
O
SYSTEM RESET output
12
DOORSW
I
Door OPEN/CLOSE detection input
13
LCDSO
O
LCD serial data output
14
LCDCKO
O
LCD serial clock output
15
BEEP
O
BEEP output
16
LCDCE
O
LCD chip enable output
17
UNISI
I
BUS serial data input
18
UNISO
O
BUS serial data output
19
UNICKI
I
BUS serial clock input
20
SD IN
I
Signal detection input
21 to 23
–
–
Not used
24
SIRCS
I
Remote commander (infrared) input
25
PLLSI
I
PLL data input
26
PLLSO
O
PLL data output
27
PLLCKO
O
PLL clock output
28
PLLCE
O
PLL chip enable output
29
ILL ON
O
Illumination power control output
30 to 31
–
–
Not used
32
NOISE ON
O
NOISE DET discharge control output
33
VSS
–
Ground
34
C
–
Capacity connection terminal for power supply stabilization
35
AD ON
O
AD conversion power supply control output
36
RE IN0
I
Rotary encoder input 0
37
RE IN1
I
Rotary encoder input 1
38
DVcc
–
Power supply input for D/A
39
DVss
–
Ground for D/A
40, 41
–
–
Not used
42
AVcc
–
Power supply input for analog
43
AVRH
–
A/D converter VRef + input
44
AVRL
–
A/D converter VRef – input
45
AVss
–
Ground for analog
46
KEYIN0
I
KEY input 0
47
KEYIN1
I
KEY input 1
48
RC INO
I
Rotary commander input
49
DSTSEL
I
Destination setting
50
NOISE DET
I
NOISE DET, Noise level input for SEEK
51
D BASS
I
D_BASS KEY input
52
MTP
I
Tuner multipath input
53
VSM
I
S_meter voltage detection input
Pin Name
I/O
Function
6-6. IC PIN FUNCTION DESCRIPTION
• IC501 MASTER U-COM (MB90574PFV-G-177-BND)
– 33 –
Pin No.
54
Vcc
–
Power supply terminal +5V
55
RAMBU
I
RAM reset detection input (Non RDS)
56
PW SEL
I
Power select initial setting input
57
–
–
Not used
58
TESTIN
I
Test mode detection input
59
DOORIND
O
Not used
60
–
–
Not used
61
COLOR SW
I
Color switching, L:2 color, H:Single color
62
COLER SEL
I
Color selection, L:AMBER, H:GREEN
63
VSS
–
Ground
64
–
–
Not used
65
MUTE
O
System mute output terminal
66
COSTOM FILE
I
Custom file, L:Non, H:Yes
67
CD-TEXT
I
CD text, L:Non, H:Yes
68
AMPMUT
O
Power amplifier mute control output terminal
69
FLASH W
I
Flash memory writing mode detection input
70
I2C SIO
I/O
Electronic Vol & RDS serial data input/output
71
I2O CKO
O
Electronic Vol & RDS serial clock output
72
RC IN1
I
Rotary commander input
73
X1A
–
Low speed oscillator connection terminal (32.768 KHz)
74
X0A
–
Low speed oscillator connection terminal (32.768 KHz)
75
DAVN
I
RDS signal quality detection input
76
KEYACK
I
Keyack knowledge input
77
BU IN
I
Backup detection input terminal
78
ILLIN
I
ILLIN signal detection input terminal (VAG only)
79
TELATT
I
Telephone ATT detection input
80
NOSESW
I
Front panel detachment/attachment detection input terminal
81
ACCIN
I
ACC detection input terminal
82 to 85
–
–
Not used
86
HSTX
–
Hardware standby input terminal
87
MD2
–
To Vss
88
MD1
–
To Vcc
89
MD0
–
To Vcc
90
RSTX
I
Microprocessor reset input terminal
91
Vss
–
Ground
92
X0
–
High speed oscillator connection terminal ( MHz)
93
X1
–
High speed oscillator connection terminal ( MHz)
94
Vcc
–
To Vcc
95 to 99
–
–
Not used
100
9K/10K
I
9K/10K step switching detection terminal
101
–
–
Not used
102
AMTLIN
I
Auto metal detection terminal
103
AMSIN
I
Song presence/absence detection input during AMS
104
REEL
I
Reel rotation detection input
105
POS0
I
Position signal detection input 0
106
POS1
I
Position signal detection input 1
107
POS2
I
Position signal detection input 2
108
POS3
I
Position signal detection input 3
109
LM EJ
O
Loading motor control output (EJECT)
110
LM LD
O
Loading motor control output (LOAD)
111
CM ON
O
Tape capstan motor control output
Pin Name
I/O
Function
– 34 –
Pin No.
Pin Name
I/O
Function
112
TAPEON
O
TAPE power supply control output
113
N ROUT
O
FOR/REV control output
114
AMSON
O
AMS control output
115
MTLON
I/O
Metal control input/output
116
DOLON
I/O
DOLBY control input/output
117
TAPMUT
O
Audio signal selection control output terminal
118
AMPON
O
Power IC standby control output
119
Vss
–
Ground
120
PW ON
O
System power supply control output
– 35 –
SECTION 7
EXPLODED VIEWS
(1) CHASSIS SECTION
NOTE:
• -XX, -X mean standardized parts, so they may have
some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . . (RED)
Â
Â
Parts color Cabinets color
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
• Abbreviation
G
: German model
SE
: South European model
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 8
X-3373-269-1 COVER ASSY (ISO)
9
1-777-989-31 CORD (WITH CONNECTOR)(ATT)(XR-5890R)
* 10
3-018-147-01 BRACKET (IC)
* 11
3-031-056-01 HEAT SINK
12
3-935-014-01 CUSHION (U)
* 13
3-009-813-41 CHASSIS
14
3-012-859-01 CAP (25), RUBBER
15
3-937-650-01 PLATE (C), GROUND
16
3-031-828-01 BRACKET (REG.IC)
17
1-782-381-11 CORD (WITH CONNECTOR)(ISO-P&S)
F781
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE)(10A)
1
3-030-828-01 PANEL, SUB
2
3-935-003-01 SPRING, TORSION
3
3-027-437-04 DOOR, CASSETTE
4
X-3367-636-1 LOCK ASSY
* 5
3-033-846-01 INSULATED PLATE
* 6
A-3317-341-A MAIN BOARD, COMPLETE
(XR-5890R: SE,UK,AEP)
* 6
A-3317-342-A MAIN BOARD, COMPLETE (XR-5890R: G)
* 6
A-3317-355-A MAIN BOARD, COMPLETE
(XR-5880R: SE,UK,AEP)
* 6
A-3317-356-A MAIN BOARD, COMPLETE (XR-5880R: G)
7
3-915-923-01 SCREW, GROUND POINT
14
8
7
16
6
5
4
3
2
1
13
12
11
10
17
9
15
#3
#2
#2
#2
#2
#2
#2
#1
Front panel ass’y
#4
F781
MG-25G-136
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