Sony DSK-GTX999 / HCD-GTX999 Service Manual ▷ View online
HCD-GTX999
61
Pin No.
Pin Name
I/O
Description
73
KEY_WAKE_UP_
DISPLAY
I
Key input terminal for the power key
74
KEY_WAKE_UP_POW-
ER
I
Key input terminal for the display key
75
STANDBY LED
O
LED drive signal output terminal for the standby LED "H": LED on
76 to 78
NC
-
Not used
79
FAN-CTL1
O
Fan control signal output terminal Not used
80
STANDBY RELAY
O
Power on/off relay drive signal output terminal "H": power on
81
OVERVOLTAGE
I
Over voltage detection signal input terminal
82 to 86
NC
-
Not used
87
HP DET
I
Headphone detection signal input terminal "H": headphone insert
88
THERMAL VACS
I
Not used
89
AMP_PROTECT
I
Protect signal input terminal
90
STK-MUTE
O
Standby signal output to the power amplifi er
91
SW SP RLY
O
Subwoofer speaker on/off relay drive signal output terminal "H": Subwoofer speaker on
92
FR SP RLY
O
Front speaker on/off relay drive signal output terminal "H": front speaker on
93
SW LEVEL IN
I
Subwoofer speaker level signal input from the SS-WG999
94
SW ON LED
O
LED drive signal output to the SS-WG999
95
NC
-
Not used
96
AVSS
-
Ground terminal
97
NC
-
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
TA LINE-MUTE
O
Muting on/off control signal output terminal "L": muting on
HCD-GTX999
62
DISPLAY BOARD IC701 R5F3640DDFAR (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
LED_SEG_6 to
LED_SEG_4
O
LED drive signal output terminal for the power illuminator indicator "H": LED on
4
LED_SEG_3
O
LED drive signal output terminal for the HDD and USB indicator "H": LED on
5
LED_SEG_2
O
LED drive signal output terminal for the ENTER and illumination bar indicator "H": LED on
6
LED_SEG_1
O
LED drive signal output terminal for the HDD REC and USB (red) indicator "H": LED on
7
LED_SEG_0
O
LED drive signal output terminal for the USB (blue) and HDD indicator "H": LED on
8
BYTE
I
External data bus width changeover signal input terminal Fixed at "L" in this set
9
CNVSS
-
Not used
10, 11
NC
-
Not used
12
RESET
I
Reset signal input from the system controller
13
XOUT
O
System clock (5 MHz) output terminal
14
VSS
-
Ground terminal
15
XIN
I
System clock (5 MHz) input terminal
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
-
Not used
18
SOFT-TEST
O
Not used
19
VFD_POWER
O
Not used
20 to 23
NC
-
Not used
24
LED_COMMON_1
O
LED selection signal output terminal (SEL A)
25
NC
-
Not used
26
LED_COMMON_0
O
LED selection signal output terminal (SEL B)
27
NC
-
Not used
28
VFD_BK
O
Blank control signal output to the fl uorescent indicator tube
29
IIC_CLK
I/O
Two-way I2C serial clock signal bus with the system controller
30
IIC_DATA
I/O
Two-way I2C serial data bus with the system controller
31
TXD
-
Not used
32
RXD
-
Not used
33
CLK
-
Not used
34
CTS/RTS
-
Not used
35
VFD_DATA
O
Serial data output to the fl uorescent indicator tube and data selector
36
VFD_LATCH
O
Serial data latch pulse signal output to the fl uorescent indicator tube and data selector
37
VFD_CLK
O
Serial clock signal output to the fl uorescent indicator tube
38 to 40
NC
-
Not used
41
PULL DOWN
-
Not used
42 to 45
NC
-
Not used
46
PULL UP
-
Not used
47 to 61
NC
-
Not used
62
VCC
-
Power supply terminal (+3.3V)
63
NC
-
Not used
64
VSS
-
Ground terminal
65 to 84
NC
-
Not used
85
SPEC-IN
I
Destination setting terminal
86 to 89
BPF1 to BPF4
I
VACS signal input from the band-pass fi lter
90
ALL-BAND
I
VACS signal input from the band-pass fi lter
91
OPERATION DIAL
I
Not used
92
VOLUME JOG
I
Jog dial pulse input from the rotary encoder (for VOLUME)
93 to 95
KEY3 to KEY1
I
Panel key input terminal
96
AVSS
-
Ground terminal
97
KEY0
I
Panel key input terminal
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
LED_SEG_7
O
Not used
63
HCD-GTX999
SECTION 7
EXPLODED VIEWS
1
3-294-726-01 PANEL,
SIDE
2
3-363-099-32 SCREW (CASE 3 TP2)
3
2-599-854-61 CASE
(TOP)
4
3-704-515-32 SCREW
(BV/RING)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
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
• Abbreviation
AR :
AR :
Argentina
model
BR
: Brazilian model
E2
: 120V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
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.
7-1. TOP CASE, SIDE PANEL SECTION
#1
#1
#1
#1
1
#1
1
#1
#1
2
2
3
4
center panel section
HDD section
Ver. 1.1
64
HCD-GTX999
7-2. CENTER PANEL SECTION
51
3-294-720-01 KNOB
(VOL)
52
3-294-719-01 PLATE (VOL), LIGHT GUIDE
53
3-294-723-01 ORNAMENT
(VOL)
54
X-2319-067-1 CENTER
PANEL
ASSY
55
X-2319-069-2 TOP
COVER
ASSY
56
X-2319-070-1 BUTTON
(POWER)
ASSY
57
3-294-709-01 BUTTON
(DISPLAY)
58
3-087-053-01 +BVTP2.6
(3CR)
59
1-832-859-21 CABLE, FLEXIBLE FLAT (17 CORE)
60
A-1530-475-A DISPLAY BOARD, COMPLETE
61
3-294-707-01 BUTTON
(EJECT)
62
3-294-713-01 BUTTON
(SHUFFLE)
63
3-294-718-01 ILLUMINATION
64
1-831-744-21 CABLE, FLEXIBLE FLAT (5 CORE)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
52
not supplied
53
54
55
56
57
58
61
62
58
63
not supplied
(KEY UPPER board)
(KEY UPPER board)
58
58
58
58
not supplied
(KEY CENTER board)
(KEY CENTER board)
not supplied
64
not supplied
(KEY LEFT board)
(KEY LEFT board)
58
59
58
60
58
not supplied
(KEY RIGHT board)
(KEY RIGHT board)
59
58
not supplied
not supplied
58
not supplied
58
58
58
not supplied
(PANEL SUBSIOARY board)
(PANEL SUBSIOARY board)
base panel section
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