Sony HCD-GR3 / HCD-RX30 / MHC-GR3 / MHC-RX30 Service Manual ▷ View online
— 55 —
6-15. IC PIN FUNCTIONS
• IC501 GRAPHIC CONTROL (ASD042FGF-022-3B9)
Pin No.
Pin Name
I/O
Function
1 – 7
8
9, 10
11
12
13
14
15
16
17
18
19
20
21 – 24
25 – 28
29
30
31
32
33
34
35
36, 37
38, 39
40 – 43
44
45
46
47
48
49 – 51
52
53 – 70
71
72 – 75
76 – 80
GR1 – GR7
V
DD
LED9, LED10
KEY SELECT
VOL IN B
REQ. GM
CLK MG
DATA GM
DATA MG
RESET
PANEL SW
LED SELECT
AVss
SPEANA IN1 – 4
KEY IN1 – 4
AV
DD
AV
REF
JOG IN B
XT2
Vss
X1
X2
LED7, LED8
LED5, LED6
LED1 – LED4
VOL IN A
JOG IN A
RDY MG
SIRCS IN
IC (VPP)
LED11 – LED13
V
DD
SEG5 – SEG22
V. LOAD
SEG1 – SEG4
GR8 – GR12
FL grid signal output
+5V
LED drive signal output
Not used
Volume encoder signal input
Reguest signal from/to master control
Serial clock input
Serial data output
Serial data input
Reset signal input
CD door open detection input
(Not used)
LED select signal output
Ground
Spectram analizer signal input
(Connected to ground)
Key matrix input
+5V
Not used
(Pull down)
Not used
Ground
X’tal (5 MHz)
LED drive signal output
Not used
LED drive signal output
Volume encoder signal input
Not used. (Pull down)
RDY signal from master control
SIRCS signal input
Ground
LED drive signal output
+5V
FL segment signal output
–25V for FL
FL segment signal output
FL grid signal output
O
—
O
O
I
I/O
I
O
I
I
I
O
—
I
I
—
—
I
I
—
I
O
O
O
O
I
I
I
I
—
O
—
O
—
O
O
• Abbreviation
FL: FLUORESCENT INDICATOR TUBE
— 56 —
• IC701 MASTER CONTROL (TMP87CS64YF-6536)
Ground
Reset signal input
Ground
Back up signal input
Not used
(Pull up)
Mute signal output for tuner
Not used. (Pull up)
Disc table up detect
(Not used) (Pull down)
Loading in detection signal input
(Connected to ground)
–
O
I
I
O
I
–
I
O
O
I
I
I
I
I
I
I
I
I
I
O
O
O
O
I
I
I
I
O
I
O
O
I
I
O
I
O
O
I
O
Loading out detection signal input
Sub-code sync signal input
CD Table sensor signal input
RDS data start input
(Not used)
RDS data start output
(Not used)
Latch signal for digital filter
Table sence signal input
Reset signal output for CD
Ready signal to graphic control
Test mode input
Request signal from graphic control
Clock signal to graphic control
Data input from graphic control
Data output to graphic control
Clock output. Serial bus line
Test mode input
Data output. Serial bus line
X’tal (10 MHz)
X’tal for clock (32.768 KHz)
Tape detection signal input
Disctray address detect encoder input
Loading motor control signal output
Table motor control signal output
Pin No.
Pin Name
I/O
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
V
SS
XOUT
XIN
RESET
XOUT
XIN
GND (test)
AC CUT
SUPER WOOFER ON
ST-MUTE ON
180-A-PLAY
180-B-PLAY
180-B-REC
CLOSE (DOOR-SW)
BD-UP (5CD)
TRAY-CLOSE (1CD)
ENCODER-0
ENCODER-1
ENCODER-2
OUT SW OPEN
LOAD IN
LOAD OUT
TBL-L
TBL-R
SCOR
TBL-SENS
RDS INT
RDS DATA
DF LAT
SENS
XRST
MG-RDY
ADJ
GM-REQ
MG-CLK
GM-DATA
MG-DATA
CD-CLK
ADJ-2
CD-DATA
— 57 —
41
42
43
44
45
46
47
48
49
50
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
AUB IN
AUB OUT
FOCUS SW
SQ-CLK
SQ-DATA
X-LAT
TEST
VAREF
VA
SS
V
SS
V
DD
SPEC
DESTINATION
DISC SENS
TC RELAY
A-SHUT
B-SHUT
B-HALF
A-HALF
220-A-PLAY
220-B-PLAY
62427 LAT
K-CON-LAT
VOL LAT (AV)
REAR SP RELAY B
FRONT SP RELAY C
POWER ON
CD POWER
PROLOG LAT
MUTE
COM CLK
COM DIN
COM DATA
K CON ON
LIDDED LED
PROLOG-ON
DBFB-HIGH
URG-STB-STD-BY
URG-SIG-ON
TC A
I
O
O
O
I
O
I
I
–
–
–
I
I
I
O
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
O
O
+5V
Slit sensor of disc table input
REC/PB select signal output
Destination detection setting input
Control signal input from deck
(Connected to ground)
Pin No.
Pin Name
I/O
Function
Audio bus in/output. (Not used)
Focus switching signal output
Subcode Q data read clock output
Subcode Q data input
Latch signal output for digital signal processor
Test land
Analog reference voltage input
Ground
PLL latch output
Not used
Latch signal for electrical volume
(Not used)
Rear speaker relay B Control output
(Not used)
Front speaker relay C Control output
(Not used)
Power on signal output
CD power control signal output
Latch signal output for dolby pro logic
(Not used)
Mute signal for AMP
PLL clock output
PLL data input
PLL data output
Not used
Disc No
LED drive signal output
(Not used)
Not used
DBFB switching signal output
Not used
Not used
Deck A, B select output
— 58 —
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
O
O
O
–
NORMAL/HIGH control signal output
(Not used)
Bias oscillation output
Mute output
Dolby ON/OFF signal output
REC/PB control signal output
Dolby switching signal output
Mute signal output for deck
Capstan motor control signal output
(Not used)
Trigger motor high/low contorol signal output
(Not used)
Capstan motor ON/OFF control signal output
(Not used)
Stereo dection signal from tuner
Tuned detection signal from tuner
Latch signal output for tuner
Not used
Not used
(Connected to ground)
+5V
NORM
BIAS OFF
REC MUTE
NR OFF
PB
PASS. AMP/DOLBY
LINE MUTE ON
CAP. M-HIGH
A-TRG
B-TRG
TRG LOW
CAP M ON
STEREO
TUNED
ST-CE
DELAY SEL MIC
DELAY ON
DELAY LEVEL A
DELAY LEVEL B
V
DD
Trigger motor control signal output
(Not used)
Function
I/O
Pin No.
Pin Name
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