Sony MHC-V818 Service Manual ▷ View online
– 89 –
Pin No.
Pin Name
I/O
Function
• IC501 MASTER CONTROL (uPD780016AYGF-014-3BA)
1
LINE-MUTE
O
Line mute signal output
2
DBFB-H/L
O
DBFB H/L select signal output
3
M62442-LAT
O
Latch signal output for IC111 (M62442FP)
4
KCON-LAT
O
Not used
5
POWER
O
Power ON/OFF signal output
6
F-RELAY
O
Front speaker relay control output
7
R-RELAY
O
Rear speaker relay control output (Not used)
8
PL-RELAY
O
Surround speaker relay control output
9
VSS
–
Ground
10
X2
O
X’tal (5MHz)
11
X1
I
12
VDD
–
Power supply (+5V)
13
XT2
O
X’tal (32.768 KHz)
14
XT1
I
15
RESET
I
Reset signal input
16
(AC-CUT)
I
Back up signal input
17
CAPM-CNT1P
I
Capstan motor control 1 (+) signal output
18
SCOR
O
Subcode data request signal output
19
SOFT-TEST
O
Software test port
20
—
–
Not used
21
RDS-INT
I
RDS data interrupt input
(Connected to ground)
22
RDS-DATA
I
RDS data interrupt input
(Connected to ground)
23
AVDD
–
Power supply (+5V)
24
AVREF
I
Analog reference voltage input.
25
ADJ
I
CD adjust point port
Normal “H”
26
A-SHUT
I
A Deck reel pulse detector
27
B-SHUT
I
B Deck reel pulse detector
28
B-HALF
I
Half detector signal input
29
CLK-CHECK
I
Connected to ground
30
SPEC-IN
I
Version select signal input
31
AMS-IN
I
Connected to ground
32
DEMO-CHANGE
I
DEMO H/L select signal input
(Connected to ground)
33
AVSS
–
Ground
34
SQ-DATA-IN
I
Subcode Q data clock input
(Connected to ground)
35
—
–
Not used
36
SQ-CLK
I
Not used
37
SUR-ON/OFF
O
Not used
38
FB CONT-A
I
Not used
39
FB CONT-B
I
Connected to ground
40
VSS
–
Ground
41
PL-VOL
O
Not used
42
PL-LAT
O
Not used
43
COM-DIN
I
Connected to ground
44
COM-DOUT
O
Common serial data output (Not used)
• Abbreviation
APC : Auto Power Control
– 90 –
Pin Name
I/O
Function
45
COM-CLK
O
Common serial clock output
46
CD-POWER
O
CD power on signal output
47
CD-DATA
O
Not used
48
CD-CLK
O
Not used
49
PL-CLK
O
Not used
50
PL-DATA
I
Not used
51
M62442-CLK
O
Clock signal output for IC111 (M62442FP)
52
M62442-DATA
O
Data signal output for IC111 (M62442FP)
53
LEVEL-CONT-A
O
Not used
54
LEVEL-CONT-B
O
Not used
55
IIC-DATA
O
Data output for IC502
56
IIC-CLK
O
Clock output for IC502
57
XRST
O
CD reset signal output
58
XLT
O
Not used
59
FCS-SW
O
Not used
60
TBL-L
O
Table motor control output
61
TBL-R
O
62
—
O
Not used
63
LOAD-OUT
O
Loading motor control signal output
64
LOAD-IN
O
65
ST-CLK
O
Tuner clock output
66
ST-DIN
I
Tuner data input
67
ST-DOUT
O
Tuner data output
68
ST-CE
O
Tuner chip enable output
69
TUNED
I
Tuned detection for tuner
70
STEREO
I
Stereo detection for tuner
71
VSS
–
Ground
72
ST-MUTE
O
Tuner mute signal output
73
SENS2
I
BD Condition signal input
74
SENS
I
Not used
75
DISC-SENS
I
Slit sensor of disc table input
76
T-SENS
I
CD table detection signal input
77
CAPM-CNT2P
O
Capstan motor control 2 (+) signal output
78
ENC 3
I
79
ENC 2
I
Disc tray adrress detect encoder input
80
ENC 1
I
81
OUT-OPEN
O
Loading out detection signal output
82
CAP-M-H/L
O
Capstan motor H/N speed select signal output
83
B-TRG
O
Trigger motor control output
84
A-TRG
O
Trigger motor control output
85
CAPM-CONT1M
O
Capstan motor control 1 (–) signal output
86
CAPM-CONT2M
O
Capstan motor control 2 (–) signal output
87
TC-MUTE
O
TC mute ON/OFF selection output
Pin No.
– 91 –
88
R/P-PASS
O
REC/PB/PASS selection output
89
NR-ON/OFF
O
NR ON/OFF signal output
90
REC-MUTE
O
REC mute ON/OFF selection output
91
CLK-OUT
O
Clock out signal check
92
BIAS
O
Bias ON/OFF signal output
93
EQ-H/N
O
Equalizer H/N select output
94
PB-A/B
O
PB Deck A/Deck B select output
95
A-PLAY-SW
I
Deck A play detect
96
B-PLAY-SW
I
Deck B play detect
97
TC-RELAY
O
REC/PB head selection output for IC602
98
A-HALF
I
Deck A cassette detect
99
ALC-ON/OFF
O
ALC ON/OFF output signal
100
STK-MUTE
O
Power amp ON/OFF signal output
Pin Name
Pin No.
I/O
Function
– 92 –
Pin No.
Pin Name
I/O
Function
• IC502 MPEG DECODER, MECHANISM CONTROL (M30620MC-302FP or M30620MC-305FP)
1
SENSE
I
Internal state (SENSE) monitor input (IC101)
2
SENSE CLK
O
Serial data reading clock output (IC101)
3
DSP DATA
O
Serial data output (IC101)
4
DSP LATCH
O
Lach output (IC101)
5
DSP CLK
O
Serial data clock output (IC101)
6
TSENS
I
Not used
7
REMOTE IN
I
Not used
8
BYTE
I
External bus width change input (Connected to ground)
9
VSS
–
Ground
10
DSP MUTE
O
Mute output (IC101) “H” : mute
11
CTRL1 (L : DOUBLE)
O
Double change output (IC101) “L” : double
12
XRESET
I
System reset input “L” : reset
13
XOUT
O
Main clock output (10MHz)
14
VSS
–
Ground
15
XIN
I
Main clock input (10MHz)
16
VCC
–
+5V power supply
17
NMI
I
Requests mask disable interruption input (Connected to +5V)
18
SCOR
I
Subcode sync input (IC101)
19
D SENS
I
Not used
20
CL680 INT
I
Video CD interruption input (IC505)
21
CL680 HSEL
O
Video CD select data of the host MPU (IC505)
22
DF LATCH
O
Digital filter latch output (IC509)
23
CL680 HRDY
I
Ready signal input for communication to the host MPU (IC505)
24
680 RESET
O
Video CD reset output (IC505) “L” : reset
25
JOG1
I
Not used
26
JOG2
I
Not used
27
CTRL2
O
Double control output (IC101) “H” : double
28
LD ON
O
Laser diode ON/OFF output
29
IIC1
I/O
IIC convertion microcomputer receive data (Former type), IIC clock input from master control (New type)
30
IIC0
I/O
IIC convertion microcomputer transmittion data (Former type), IIC data input from master control (New type)
31
DATA1O
O
Serial 1 data output (IC505, 509)
32
DATA1I
I
Serial 1 data input (IC505, 509)
33
CLK1
O
Serial 1 clock output
34
SHARPNESS
O
Sharpness output L : normal, H : sharpness
35
XVLEVEL. DOWN
O
Fix the video signal output level output
36
SUBQ DATA
I
Serial 2 data input for subcode sync reading
37
SUBQ CLK
I
Serial 2 clock input for subcode sync reading
38
P. ON
I
Not used
39
BUS XRDY
I
Not used
40
BUS
I
Not used
41
BUS XHOLD
I
Not used
42, 43
BUS
I
Not used
44
BUS XRD
I
Model selection input “L” : chinese model, “H” : except chinese model
45
BUS
I
V sync signal input
NOTE:
When use the IC402
: Former type
When not use the IC402 : New type
Click on the first or last page to see other MHC-V818 service manuals if exist.