Sony CDX-GT65UIW Service Manual ▷ View online
CDX-GT65UIW
25
– KEY Board –
IC971 74LVC2G66DC-125
3
1
1Y
1Z
2E
GND
VCC
1E
2Z
2Y
4
2
5
7
6
8
IC981 LC75879PT-US-H
60 S62
59 S61
58 S60
57 S59
56 S58
55 S57
54 S56
53 S55
52 S54
51 S53
59 S61
58 S60
57 S59
56 S58
55 S57
54 S56
53 S55
52 S54
51 S53
25
S27
26
S28
23
S25
24
S26
27
S29
28
S30
29
S31
30
S32
31
S33
32
S34
33
S35
34
S36
3
P3/S3
4
P4/S4
1
2
2
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
S9
10
S10
11
S11
12
S12
66
COM2
65
COM1
73
VSS
72
VDD2
71
VDD1
70
VDD
78
DI
79
P1/S1
80
P2/S2
77
CL
76
CE
74
S69/OSCI
69
S68
75
INH
COMMON
DRIVER
CLOCK
GENERATOR
CCB INTERFACE
SHIFT REGISTER
CONTROL
REGISTER
SEGMENT DRIVER & LATCH
13
S13
14
S14
15
S15
16
S16
S17
S18
S17
S18
17
18
18
S19
S20
S20
19
20
20
S21
S22
S22
35
S37
36
S38
37
S39
38
S40
21
S23
22
S24
39
S41
40
S42
50 S52
49 S51
48 S50
47 S49
46 S48
45 S47
44 S46
43 S45
42 S44
41 S43
49 S51
48 S50
47 S49
46 S48
45 S47
44 S46
43 S45
42 S44
41 S43
64
S66
63
S65
62
S64
61
S63
68
S67/COM4
67
COM3
CDX-GT65UIW
26
• IC Pin Function Description
MAIN BOARD IC501 R5F3650KBDZ85FA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
LCD_SO
O
Serial data output to the liquid crystal display driver
2
LCD_CLK
O
Serial data transfer clock signal output to the liquid crystal display driver
3
NOSE_SW
I
Front panel remove/attach detection switch input terminal “L”: front panel is attached
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
UNISO
O
Serial data output to the bus interface
6
UNISI
I
Serial data input from the bus interface
7
UNISCK
O
Serial data transfer clock signal output to the bus interface
8
BYTE
I
External data bus width selection signal input terminal
9
CNVSS
I
Processor mode selection signal input terminal
10
XIN
I
Sub system clock signal input terminal (32.768 kHz)
11
XOUT
O
Sub system clock signal output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator and RESET switch “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13
OSCOUT
O
Main system clock signal output terminal (7.92 MHz)
14
VSS
-
Ground terminal
15
OSCIN
I
Main system clock signal input terminal (7.92 MHz)
16
VCC1
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this unit
18
RC_IN1
I
Rotary commander shift key signal input terminal
19
BUIN
I
Back-up power detection signal input from the bus interface
20
SYSRST
O
System reset signal output to the CD mechanism deck block “L”: reset
21
BUS_ON
O
VBUS power control signal output to the bus interface
22
MC_RX
I
Serial data input from the CD mechanism deck block
23
DOOR_SW
I
Front panel open/close detection switch input terminal “L”: front panel is closed
24
MC_TX
O
Serial data output to the CD mechanism deck block
25
DOOR_ING
O
LED drive signal output terminal for disc slot indicator “H”: LED on
26
SYNC_OUT
O
Frequency control signal output to the USB VBUS power control
27
EJECT_OK
O
Eject OK signal output to the CD mechanism deck block
28
BEEP
O
Beep signal output to the power amplifi er
29
I2C_SCK
O
IIC communication serial clock signal output to the PLL, power amplifi er and electrical
volume
volume
30
I2C_SIO
I/O
IIC communication serial data input/output with the PLL, power amplifi er and electrical
volume
volume
31
FW_TXD
O
Serial data output terminal for fl ash writing
32
FW_RXD
I
Serial data input terminal for fl ash writing
33
FW_CLK
I
Serial clock signal input terminal for fl ash writing
34
FW_BUSY
O
Busy signal output terminal for fl ash writing
35, 36
NCO
O
Not used
37
CD_ON
I
CD mechanism servo power control request signal input from the CD mechanism deck block
38
CDM_ON
I
CD mechanism deck power control request signal input from the CD mechanism deck block
39
WAKE_UP
O
Wake-up signal output to the CD mechanism deck block
40
Z_MUTE
I
Zero detection muting signal input from the CD mechanism deck block
41
EPM
O
EPM signal output terminal Not used
42
MODELNAME_SEL0
I
Model name selection signal input terminal Fixed at “L” in this unit
43
MODELNAME_SEL1
I
Model name selection signal input terminal Fixed at “H” in this unit
44
MODELNAME_SEL2
I
Model name selection signal input terminal Fixed at “L” in this unit
45
MODELNAME_SEL3
I
Model name selection signal input terminal Fixed at “H” in this unit
46
CE
O
Chip enable signal output terminal Not used
47
NCO
O
Not used
48
SA_DATAIN
I
Spectrum analyzer serial data input from the CD mechanism deck block
49
SA_CLKOUT
O
Spectrum analyzer serial clock signal output to the CD mechanism deck block
50
USBON
O
USB power control signal output to the USB VBUS power control
51
VBUS_ON
I
VBUS power control request signal input from the CD mechanism deck block
“H”: VBUS on
“H”: VBUS on
52
USB_OVR
I
USB over current detection signal input from the USB VBUS power control
53
EXTATT_XEN
O
Not used
54
NCO
O
Not used
CDX-GT65UIW
27
Pin No.
Pin Name
I/O
Description
55
F_AUX_ATT
I
Front AUX input muting detection signal input terminal “H”: Front AUX input
56
TELATT
I
Telephone attenuator detection signal input terminal
57
ACC_IN
I
Accessory power detection signal input terminal
58
ATT
O
Audio muting control signal output terminal
59
DIAG
I
Condition signal input from the power amplifi er
60
AMPSTB
O
Standby signal output to the power amplifi er
61
CYRIL_SEL
I
Cyril selection signal input terminal Fixed at “L” in this unit
62
VCC2
-
Power supply terminal (+3.3V)
63
NCO
O
Not used
64
VSS
-
Ground terminal
65
ILLUMI SEL
I
Key illumination voltage setting signal input terminal Fixed at “L” in this unit
66
COLSW SEL
I
Key illumination color change function signal input terminal Fixed at “H” in this unit
67
NCO
O
Not used
68
B-OUT SEL
I
Black out function setting signal input terminal Fixed at “L” in this unit
69
AREASEL3
I
Destination setting signal input terminal Fixed at “L” in this unit
70
AREASEL2
I
Destination setting signal input terminal Fixed at “L” in this unit
71
AREASEL1
I
Destination setting signal input terminal Fixed at “H” in this unit
72
AREASEL0
I
Destination setting signal input terminal Fixed at “L” in this unit
73
R/S SW SEL
I
REAR/SUB selection setting signal input terminal Fixed at “L” in this unit
74, 75
NCO
O
Not used
76
INITCOL_SEL
I
Key illumination initial color setting signal input terminal Fixed at “H” in this unit
77, 78
NCO
O
Not used
79, 80
DEBUG_1, DEBUG_2
O
Not used
81
RE-IN1
I
Jog dial pulse signal input from the rotary encoder (B phase input) (for volume)
82
RE-IN0
I
Jog dial pulse signal input from the rotary encoder (A phase input) (for volume)
83
ILL_IN
I
Illumination detection signal input terminal
84 to 90
NCO
O
Not used
91
KEYACK0
I
Key acknowledge detection signal input terminal for the rotary commander key entry
92
KEYACK1
I
Key acknowledge detection signal input terminal for the front panel key entry
93
NCO
O
Not used
94, 95
KEYIN1, KEYIN0
I
Front panel key signal input terminal
96
AVSS
-
Ground terminal (for A/D converter)
97
RC_IN0
I
Rotary commander shift key input terminal
98
AVRH
-
Reference voltage terminal (+3.3V) (for A/D converter)
99
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
100
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
28
CDX-GT65UIW
SECTION 5
EXPLODED VIEWS
1
X-2176-199-1 LOCK
ASSY
2
3-246-441-02 BUTTON (EJECT) (Z)
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-2547-696-1 PANEL
(SUB)
ASSY
7
X-2515-757-1 GEAR
ASSY
8
A-1839-940-A MAIN BOARD, COMPLETE
9
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
10
1-839-377-11 CONNECTION CORD FOR AUTOMOBILE
(POWER)
11
1-833-835-11 CONNECTION CORD FOR AUTOMOBILE
(SUB OUT (MONO))
12
3-264-798-01 CAP
FU301
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A/32V)
#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
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. Some delay should be anticipated
when ordering these items.
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)
Parts Color Cabinet’s Color
5-1. 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.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
not supplied
not supplied
(SUB board)
(SUB board)
not supplied
FU301
not supplied
not supplied
not supplied
not supplied
#1
#1
#1
#3
#4
#5
#5
#3
#4
#4
#2
#1
A
B
B
1
2
3
4
5
6
7
5
9
10
A
D
D
C
C
8
front panel section
MG-101PM-188
11
12
#3
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