Sony CDX-GT828U / CDX-GT870US / CDX-GT878US Service Manual ▷ View online
CDX-GT828U/GT870US/GT878US
37
Pin No.
Pin Name
I/O
Description
58
A9
I/O
External data bus (A9) signal input/output (CDX-GT878US only)
59
A8
I/O
External data bus (A8) signal input/output (CDX-GT878US only)
60
VCC2
―
Power supply pin (+3.3 V)
61
A7
I/O
External data bus (A7) signal input/output (CDX-GT878US only)
62
VSS
―
Ground
63
A6
I/O
External data bus (A6) signal input/output (CDX-GT878US only)
64
A5
I/O
External data bus (A5) signal input/output (CDX-GT878US only)
65
A4
I/O
External data bus (A4) signal input/output (CDX-GT878US only)
66
A3
I/O
External data bus (A3) signal input/output (CDX-GT878US only)
67
A2
I/O
External data bus (A2) signal input/output (CDX-GT878US only)
68
A1
I/O
External data bus (A1) signal input/output (CDX-GT878US only)
69
A0
I/O
External data bus (A0) signal input/output (CDX-GT878US only)
70
NC
O
Not used. (Open)
71
D15
I/O
External data bus (D15) signal input/output (CDX-GT878US only)
72
D14
I/O
External data bus (D14) signal input/output (CDX-GT878US only)
73
D13
I/O
External data bus (D13) signal input/output (CDX-GT878US only)
74
D12
I/O
External data bus (D12) signal input/output (CDX-GT878US only)
75
D11
I/O
External data bus (D11) signal input/output (CDX-GT878US only)
76
D10
I/O
External data bus (D10) signal input/output (CDX-GT878US only)
77
D9
I/O
External data bus (D9) signal input/output (CDX-GT878US only)
78
D8
I/O
External data bus (D8) signal input/output (CDX-GT878US only)
79
D7
I/O
External data bus (D7) signal input/output (CDX-GT878US only)
80
D6
I/O
External data bus (D6) signal input/output (CDX-GT878US only)
81
D5
I/O
External data bus (D5) signal input/output (CDX-GT878US only)
82
D4
I/O
External data bus (D4) signal input/output (CDX-GT878US only)
83
D3
I/O
External data bus (D3) signal input/output (CDX-GT878US only)
84
D2
I/O
External data bus (D2) signal input/output (CDX-GT878US only)
85
D1
I/O
External data bus (D1) signal input/output (CDX-GT878US only)
86
D0
I/O
External data bus (D0) signal input/output (CDX-GT878US only)
87, 88
NC
O
Not used. (Open)
89
SIRCS
I
SIRCS data signal input
90
ILL_GREEN
O
Illumination color select control signal output (green)
91
ILL_BLUE
O
Illumination color select control signal output (blue)
92
ILL_RED
O
Illumination color select control signal output (red)
93
KEY_IN1
I
Key signal input 1
94
AVSS
―
Analog ground
95
KEY_IN2
I
Key signal input 2
96
VREF
―
Reference voltage pin for A/D converter. (+3.3 V)
97
AVCC
―
Analog power supply pin (+3.3 V)
98
NC
O
Not used. (Open)
99
FL_DATA2
O
FL serial data signal output 2
100
FL_CLK_OUT
O
FL serial clock signal output
38
CDX-GT828U/GT870US/GT878US
not supplied
not supplied
(SUB board)
(SUB board)
not supplied
FU601
not supplied
TU1
not supplied
not supplied
#1
#1
#1
#3
#4
#5
#3
#4
#6
#4
#2
#1
MG-101I-188//Q
"
#
#
1
2
3
4
5
6
7
5
8
9
12
11
"
10
not supplied
13
14
#3
SECTION 6
EXPLODED VIEWS
1
X-2176-199-1 LOCK
ASSY
2
3-246-441-01 BUTTON
(EJECT)
3
1-834-627-11 CABLE, FLEXIBLE FLAT (23 CORE)
4
3-260-247-01 CUSHION (SUB PANEL)
5
3-042-244-01 SCREW
(T)
6
X-2187-326-1 PANEL
ASSY,
SUB
7
X-3384-203-2 GEAR
ASSY
8
3-713-786-51 SCREW +P 2X3
9
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
10
A-1433-835-A MAIN BOARD, COMPLETE (GT828U)
10
A-1433-854-A MAIN BOARD, COMPLETE (GT870US)
10
A-1433-926-A MAIN BOARD, COMPLETE (GT878US)
11
2-021-848-01 SHEET (TU), GROUND
12
1-831-837-11 CORD (WITH CONNECTOR) (ISO) (POWER)
(GT828U)
12
1-833-102-11 CORD (WITH CONNECTOR) (POWER)
(GT870US/GT878US)
13
1-833-887-11 CONNECTION CORD (RCA) (SUB OUT (MONO))
14
3-264-798-01 CAP
FU601
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3220-961-B TUNER UNIT (TUX-032)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-794-09 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
#6
7-621-284-40 SCREW +P 2.6X10
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.
• 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.
6-1. MAIN SECTION
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
39
CDX-GT828U/GT870US/GT878US
51
52
53
54
55
57
58
58
56
59
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
FL901
CN902
RE901
not supplied
not supplied
(AUX board)
(AUX board)
not supplied
(KEY board)
(KEY board)
51
A-1433-838-A PANEL COMPLETE ASSY, FRONT (GT828U)
51
A-1433-857-A PANEL COMPLETE ASSY, FRONT (GT870US)
51
A-1433-929-A PANEL COMPLETE ASSY, FRONT (GT878US)
52
3-264-712-01 SPRING
(OPEN)
53
X-2188-638-1 BUTTON ASSY (S) (GT828U)
53
X-2188-639-1 BUTTON ASSY (S) (GT870US/GT878US)
54
X-2187-691-1 PANEL (SV) ASSY, FRONT (GT828U)
54
X-2187-694-1 PANEL (SV) ASSY, FRONT (GT870US)
54
X-2187-696-1 PANEL (SV) ASSY, FRONT (GT878US)
55
X-2189-643-1 KNOB
ASSY
(S)
56
3-229-100-01 SHEET
(SW),
ADHESIVE
57
X-2188-651-1 PANEL (SV) ASSY, BACK
58
3-250-543-21 SCREW (+B P-TITE M2)
59
X-2187-544-1 CASE ASSY (for FRONT PANEL)
CN902
1-820-858-21 CONNECTOR, USB (SOCKET) 6P (USB)
FL901 1-519-982-11 INDICATOR
TUBE,
FLUORESCENT
RE901 1-479-902-31 ENCODER,
ROTARY
(PUSH
ENTER/SOUND/MENU)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
6-2. FRONT PANEL SECTION
40
CDX-GT828U/GT870US/GT878US
not supplied
#7
#7
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
101
102
103
105
104
107
106
not supplied
106
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
A-1313-179-A MECHANICAL BLOCK (U) ASSY (08)
102
A-1284-705-A DAXEV08//Q
0 103
X-2149-672-1 SERVICE ASSY, OP (DAX-25A)
104
2-626-869-01 SCREW (M2X3), SERRATION
105
3-348-998-31 SCREW (M1.4X2.5), TAPPING, PAN
106
3-352-758-31 SCREW (M1.7X2.5), TOOTHED LOCK
107
A-1362-921-A SERVO BOARD, COMPLETE
#7
7-627-000-08 SCREW, PRECISION +P 1.7X2.2 TYPE3
6-3. CD MECHANISM SECTION
(MG-101I-188//Q)
(MG-101I-188//Q)
Click on the first or last page to see other CDX-GT828U / CDX-GT870US / CDX-GT878US service manuals if exist.