Sony HCD-GSX75 / MHC-GSX75 Service Manual ▷ View online
49
HCD-GSX75
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
O
O
O
O
–
I
–
O
O
O
O
I
I
O
O
I
I
I
O
O
O
O
O
I
O
O
O
O
I
I
I
I
I
I
I
I
I
I
–
O
–
–
O
Pin Name
PL-DATA
PL-CLK
PL-RQ
VOL-CLK
VOL-DATA
REC-MUTE
PB-MUTE
REC/PB
ALC-ON
MO-ON
SOL-ON
VCC
TA-PLAY
VSS
MULTI ROOM-A
MULTI ROOM-B
A-MUTE
STK-MUTE
H/P CHK
PROTECT
R-MUTE
P-TRANS_LED
POWER KEY
DISPLAY KEY
AC-CUT
F-RELAY
R-ST/BY
ST/BY LED
FL-RESET
GAME LED
MP3 ACK
P-ST/BY
DVD ON
MP3-RESET
MP3-ST/BY
LOAD IN SW
LOAD OUT SW
T-SENSE2
TA-SHUT
TA-HALF
T-SENS3
D-SENSE
T-SENS1
SPEC
MODEL
AVSS
MP3-CS
VREF
AVCC
TABLE-NEG
Description
Serial data output to the PROLOGIC IC (Not used)
Serial clock ouput to the PROLOGIC IC (Not used)
Request signal output to the PROLOGIC IC (Not used)
Clock output to the VOLUME IC (IC301)
Data output to the VOLUME IC (IC301)
Tape recording muting control signal output “L” : muting on
Tape line muting control signal output
REC/PB selection control signal output “H” : REC, “L” : PB
ALC control signal output
Capstan motor on/off control signal output
Deck trigger solenoid control signal output
Power supply
Detection signal input from the deck play detect switch
Ground
Front/rear/surround selection signal output (Not used)
Front/rear/surround selection signal output (Not used)
Audio muting control signal output “H” : muting on
Power amplifier muting control signal output “L” : power amplifier muting on
Headphone detection signal input “H” : headphone on
Speaker protection signal input
Rear speaker muting control signal output (Not used)
Transmitter LED drive signal output (Not used)
Key signal input from the POWER key (S778)
Key signal input from the DISPLAY key (S779)
AC off detection signal from the reset signal generator (IC802)
Front speaker relay on/off control signal output
Rear speaker relay control signal output (Not used)
Standby LED control signal output
Reset signal output to the display ccontroller (IC701)
GAME LED control signal output (Not used)
MP3 acknowledge signal input
Standby relay control signal output
Not used
MP3 reset signal output
MP3 standby signal output Not used
Load in detection signal input from the LOAD switch (S842)
Load out detection signal input from the LOAD switch (S842)
Detection signal input from the table position sensor
Shut off detection signal input from the reel pulse detector in the tape mechanism deck section
Detection signal input from the cassette detect switch in the tape mechanism deck section
Detection signal input from the table position sensor
Detection signal input from the disc detect sensor “H” : disc in
Detection signal input from the table position sensor
Model specification setting teminal
Model destination setting terminal
Ground (analog)
MP3 chip select signal output
Reference voltage input terminal (for A/D converter)
Power supply (analog)
Table motor control signal output to the motor driver
50
HCD-GSX75
• IC701
MB90M407APF-G-126-BND Display Controller (DISPLAY Board)
Pin No.
1
2 to 6
7 to 10
11
12 to 22
23
24 to 41
42
43 to 47
48
49 to 51
52,53
54
55
56
57
58
59
60
61
62
63
64, 65
66
67
68
69
70
71
72 to 76
77
78
79
80
81
82
83
84
85
86 to 93
94 to 100
I/O
O
O
O
–
O
–
O
–
O
–
I
–
–
–
–
–
–
I
I/O
I/O
–
–
–
I
I
I
I
I
I
I
I
I
I
I
–
I
O
–
O
O
O
Pin Name
LED16/PIP16
FIP17 to FIP21
FIP22 to FIP25
VSS-IO
FIP26 - 36
VDD-FIP
FIP37 - 54
VSS-IO
FIP55 - 59
VKK
MD0 - 2
IC0, 1
SI0
SC0
SO0
SI1
P-V-LED-10
SO1
SDA(I2C)
SCL(I2C)
AVCC
AVSS
PA0, 1
PA2
PA3
PA4
PA5
PA6
PA7
PB0 - 4
RSTX
PB5
PB6
PB7
VSS-CPU
X0
X1
VCC-CPU
LED0/PIP0
LED1 to 8/PIP1 to 8
LED9 -15/PIP9 -15
Description
Grid drive signal output to the fluorescent indicator tube (FL701)
Grid drive signal output to the fluorescent indicator tube (FL701)
Segment drive signal output to the fluorescent indicator tube (FL701)
Ground
Segment drive signal output to the fluorescent indicator tube (FL701)
Power supply
Segment drive signal output to the fluorescent indicator tube (FL701)
Ground
Segment drive signal output to the fluorescent indicator tube (FL701)
Power supply (-30V) (for fluorescent indicator tube drive)
Operation mode setting input
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
LED drive signal output
CD lid open/close detect switch signal input
Communication bus with the system controller (IC801)
Data communication clock input or output with the system controller (IC801)
Power supply (analog)
Ground (analog)
Not used (open)
Jog dial A signal input from the rotary encoder (RV752)
Jog dial B signal input from the rotary encoder (RV752)
Volume A signal input from the rotary encoder (RV751)
Volume B signal input from the rotary encoder (RV751)
L-ch level signal input Not used (open)
R-ch level signal input Not used (open)
Level signal input
Reset signal input from the system controller (IC801)
Key signal input from the function key
Key signal input from the function key
Key signal input from the function key
Ground
System clock input (4MHz)
System clock output (4MHz)
Power supply
Not used (open)
LED drive signal output
Grid drive signal output to the fluorescent indicator tube (FL701)
51
HCD-GSX75
SECTION 8
EXPLODED VIEWS
NOTE:
•
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences 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.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
1
4-247-507-01 FOOT, RUBBER
2
4-238-222-01 PANEL (L), SIDE
3
1-796-351-41 DECK, MECHANICAL (CMAL1Z234A)
4
4-231-824-01 CAM (A), HEART
5
4-231-836-01 SPRING (HEART CAM-A)
6
4-244-572-01 PLATE,DECORATION
7
4-244-573-11 HOLDER,CASSETTE
8
4-244-574-01 SPRING, CASSETTE
9
4-244-571-01 CABINET,TOP
11
A-4732-592-A MAIN BOARD COMPLETE
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
8-1. GENERAL SECTION
12
4-238-223-01 PANEL (R), SIDE
13
4-224-104-41 DAMPER
14
1-590-218-11 WIRE (FLAT TYPE) (11 CORE)
15
1-824-103-11 WIRE (FLAT TYPE) (8 CORE)
16
A-2004-904-A TCB-MG (U) ASSY (TUNER PACK)
M351
1-763-697-21 DC FAN
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2
7-685-246-19 SCREW +KTP 3X8 TYPE2 SLIT
#3
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
8
13
1
12
11
16
4
5
2
3
1
7
6
9
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
Front panel section
not supplied
#1
#2
#2
#1
#1
#3
#3
#3
#3
#3
#3
#3
#3
#3
#3
#1
#1
M351
14
15
Ver. 1.3
52
HCD-GSX75
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
8-2. FRONT PANEL SECTION
51
4-244-590-11 LID,CD(FRONT)
52
4-244-589-01 KNOB,DISC
53
4-244-588-01 KNOB,VOLUME
54
4-245-426-01 RUBBER,VOLUME
55
4-244-585-01 COVER,VOLUME
56
4-244-584-01 INDICATOR,VOLUME
57
4-244-576-01 RING,REC
58
4-244-577-01 RING ,POWER
59
4-951-620-11 SCREW (2.6X10), +BVTP
60
4-244-578-11 PANEL,DECORATION
61
A-4736-552-A POWER BUTTON ASSY
62
4-244-582-01 BUTTON,CD
63
4-238-846-01 SHEET FL (GS1)
64
4-238-230-01 HOLDER FL
65
A-4732-487-A DISPLAY BOARD COMPLETE
66
A-4732-480-A KEY BOARD COMPLETE
67
4-244-594-01 GEAR,DISC
68
4-244-580-11 BUTTON,PLAY
69
4-244-579-01 RING,PLAY
71
4-244-581-11 BUTTON,REC
72
4-244-729-01 BUTTON,GAME
73
3-049-782-31 DAMPER
74
4-957-577-21 SCREW PTP WH (2.6X8) (DIA. 10)
75
4-244-727-01 BUTTON CD SYNC
76
4-244-586-01 SPRING,CD LID
77
4-246-605-01 SPRING (A), CD
78
4-244-575-11 CABINET,FRONT
79
4-244-591-11 LID,CD(REAR)
80
4-244-587-01 HOLDER,DISC
81
1-696-656-11 WIRE (FLAT TYPE) (13 CORE)
82
1-765-325-11 WIRE (FLAT TYPE) (11 CORE)
83
1-769-856-11 WIRE (FLAT TYPE) (5 CORE)
FL701
1-518-881-11 INDICATOR TUBE, FLUORESCENT
SW701
1-692-960-11 SWITCH, PUSH (1 KEY) (DOOR SW)
#3
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
59
61
60
59
58
57
56
55
80
53
76
51
79
74
74
78
59
69
68
67
81
59
71
59
72
75
59
59
74
73
70
77
52
62
not
supplied
supplied
not
supplied
supplied
supplied with RV752
SW701
not
supplied
supplied
FL701
not
supplied
supplied
not
supplied
supplied
not
supplied
#3
#3
not
supplied
supplied
not supplied
59
82
83
81
66
54
65
64
63
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