Sony HCD-MG510AV / MHC-MG510AV Service Manual ▷ View online
53
HCD-MG510AV
Pin No.
Pin Name
I/O
Description
86
C-LATCH
O
Command latch pulse output to the CXD3017Q (IC101)
87
C-CLK
O
Command serial data transfer clock signal output to the CXD3017Q (IC101)
88
LD ON
I
Laser diode on/off control signal output to the CXA2581N (IC103)
89
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector in the tape mechanism
deck section
deck section
90
B-HALF
I
Detection input from the deck-B cassette detect switch in the tape mechanism deck section
“L”: cassette in
“L”: cassette in
91
T-SENS3
I
Table position sensor (IC12) input terminal
92
D-SENS
I
Disc detect sensor (Q841) input terminal “H”: disc in
93
T-SENS1
I
Table position sensor (IC11) input terminal
94
SPEC
I
Model specification setting terminal
95
MODEL
I
Model destination setting terminal
96
AVSS
—
Ground terminal (analog system)
97
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector in the tape mechanism
deck section
deck section
98
VREF
I
Reference voltage (+5V) input terminal (for A/D converter)
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
TABLE NEG
O
Table motor drive signal (clockwise) output to the motor driver (IC881)
54
HCD-MG510AV
•
DISPLAY BOARD IC701 MB90M407APF-G-104-BND (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 10
G4 to G13
O
Grid drive signal output to the fluorescent indicator tube (FL701)
11
VSS-IO
—
Ground terminal
12 to 22
S34 to S24
O
Segment drive signal output to the fluorescent indicator tube (FL701)
23
VDD-FIP
—
Power supply terminal (+3.3V)
24 to 41
S23 to S6
O
Segment drive signal output to the fluorescent indicator tube (FL701)
42
VSS-IO
—
Ground terminal
43 to 47
S5 to S1
O
Segment drive signal output to the fluorescent indicator tube (FL701)
48
VKK
—
Power supply terminal (–33V) (for fluorescent indicator tube drive)
49 to 51
MD0 to MD2
—
Not used (fixed at “H”)
52, 53
IC0, IC1
—
Not used (open)
54
SI0
—
Not used (open)
55
SC0
—
Not used (open)
56
SO0
—
Not used (open)
57
SI1
—
Not used (open)
58
SC1
—
Not used (open)
59
DOOR SW
I
CD lid open/close detest switch (S791) input terminal “L”: CD lid is close
60
SDA
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC801)
controller (IC801)
61
SCL
I/O
Communication data bus with the system controller (IC801)
62
AVCC
—
Power supply terminal (+3.3V) (for A/D converter)
63
AVSS
—
Ground terminal (for A/D conversion)
64, 65
JOG A, JOG B
I
Jog dial pulse input from the rotary encoder (RV702 DISC ACCESS)
66, 67
VOL A, VOL B
I
Jog dial pulse input from the rotary encoder (RV701 VOLUME)
68 to 70
PA4 to PA6
—
Not used (open)
71
L+R
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC703)
72 to 75
BPF4 to BPF1
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC704)
76
KEY3
I
Key input terminal (A/D input) (S771 to 777) PLAY MODE, REPEAT STEREO/MONO, CD
SYNCRO, z REC, CLEAR, DIRECTION, MENU keys input
SYNCRO, z REC, CLEAR, DIRECTION, MENU keys input
77
XRST
I
Reset signal input from the system controller (IC801)
78
KEY2
I
Key input terminal (A/D input) (S760 to 767) TIMER SELECT, TIMER SET, m, M,
TUNER/BAND, CD, TAPE A/B, 5.1CH/VIDEO (MD) keys input
TUNER/BAND, CD, TAPE A/B, 5.1CH/VIDEO (MD) keys input
79
KEY1
I
Key input terminal (A/D input) (S750 to 757) SURROUND MODE, PRESET EQ, ENTER, –
., > +, X PAUSE, x, n N keys input
., > +, X PAUSE, x, n N keys input
80
KEY0
I
Key input terminal (A/D input) (S741 to 745) LINK, REAR, FRONT, PRO LOGIC,
SURROUND keys input
SURROUND keys input
81
CPU VSS
—
Ground terminal
82
X0
I
System clock input terminal (4 MHz)
83
X1
O
System clock output terminal (4 MHz)
84
VCC-CPU
—
Power supply terminal (+3.3V)
85
COM
—
Not used (open)
86
LED0
O
LED drive signal output terminal (I/1)
87
LED1
O
LED drive signal output terminal (PRESET EQ)
88
LED2
O
LED drive signal output terminal Not used (open)
89
LED3
O
LED drive signal output terminal (SURROUND)
90
LED4
O
LED drive signal output terminal (PRO LOGIC)
91
LED5
O
LED drive signal output terminal (FRONT)
55
HCD-MG510AV
Pin No.
Pin Name
I/O
Description
92
LED6
O
LED drive signal output terminal (REAR)
93
LED7
O
LED drive signal output terminal (LINK)
94
LED8
O
LED drive signal output terminal (CD lid illumination)
95
LED9
O
LED drive signal output terminal (CD)
96, 97
LED10, LED11
O
LED drive signal output terminal Not used (open)
98 to 100
G1 to G3
O
Grid drive signal output to the fluorescent indicator tube (FL701)
56
HCD-MG510AV
8-1. GENERAL SECTION
SECTION 8
EXPLODED VIEWS
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list is given in the last of
the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-232-797-01 FOOT, RUBBER
2
A-4412-989-A CASSETTE LID ASSY (A)
3
4-232-779-11 PANEL, BACK
4
1-823-005-11 WIRE (FLAT TYPE) (21 CORE)
5
1-823-000-11 WIRE (FLAT TYPE) (18 CORE)
6
1-757-997-11 WIRE (FLAT TYPE) (10 CORE)
7
1-823-001-11 WIRE (FLAT TYPE) (11 CORE)
8
1-823-004-11 WIRE (FLAT TYPE) (17 CORE)
9
A-4476-389-A MAIN BOARD, COMPLETE
10
A-4412-988-A CASSETTE LID ASSY (B)
11
4-232-780-01 COVER, UPPER
M391
1-763-697-11 DC FAN
3
4
5
6
7
8
1
10
1
9
Front panel section
#1
#1
#1
M391
#3
#3
#3
#3
#3
#3
#1
#2
#2
#1
#1
#1
2
11
Ver 1.2
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