Sony MCE-SV7 / MHC-SV7AV Service Manual ▷ View online
37
MCE-SV7
Pin No.
Pin Name
I/O
Description
71
AGND-DAC
—
Ground terminal (for D/A converter)
72
RREF
I
Fix the video signal output level control
73
VREF
O
Reference voltage (+1.235V) output terminal
74
AVDD-DAC
—
Power supply terminal (+3.3V) (for D/A converter)
75
C-OUT
O
Chrominance video signal output terminal
76
AGND-DAC
—
Ground terminal (for D/A converter)
77
CLK-SEL0
I
GCK (pin <z/b ) selection terminal “L”: external clock, “H”: internal clock (fixed at “H”)
78
CLK-SEL1
I
DA-XCLK (pin ih) selection (1) terminal Fixed at “H” in this set
79
CLK-SEL2
I
DA-XCLK (pin ih) selection (2) terminal Fixed at “H” in this set
80
VSS
—
Ground terminal
81
RESERVED
I
Selection the operation clock 42.336 MHz (fixed at “L”)
82
VDD3
—
Power supply terminal (+3.3V)
83
DA-EMP
O
Not used (open)
84
RESERVED
O
Not used (open)
85
AGND-PLL
—
Ground terminal (for PLL system)
86
DA-XCLK
I
Main reference clock signal (16.9344 MHz=384fs) input from the D/A converter (IC509)
87
AVDD-PLL
—
Power supply terminal (+3.3V) (for PLL system)
88 to 90 PGIO4 to PGIO6
I/O
Not used (open)
91
PGIO0
I/O
Not used (open)
92
PGIO8
I/O
Not used (open)
93
VSYNC
O
Vertical synchronized signal output to the video CD controller (IC502)
94
AVDD-PLL
—
Power supply terminal (+3.3V) (for PLL system)
95 to 97
NC
O
Not used (open)
98
AGND-PLL
—
Ground terminal (for PLL system)
99
VSS
—
Ground terminal
100
NC
O
Not used (open)
101
HSYNC
O
Horizontal synchronized signal output to the video CD controller (IC502)
102
VDD3
—
Power supply terminal (+3.3V)
103
VCK-OUT
O
Not used (open)
104
VSS
—
Ground terminal
105
GCK
I
Not used (open)
106
VCK-IN
I
Main clock for video signal processor input from the D/A converter (IC509) (27 MHz)
107
GCKOUT/DA-EMP
O
Not used (open)
108
DA-LRCK
O
Digital audio L/R sampling clock signal (44.1 kHz) output to the D/A converter (IC509)
109
VDDMAX-OUT
O
Fix the maximum output voltage (+5V) certain output terminal
110
DA-DATA
O
Digital audio data output to the D/A converter (IC509)
111
DA-BCK
O
Digital audio bit clock signal (2.8224 MHz) output to the D/A converter (IC509)
112
HD-OUT
O
Serial data output to the video CD controller (IC502)
113
HRDY
O
Ready signal output to the video CD controller (IC502)
114
HINT
O
Interrupt request signal output to the video CD controller (IC502)
115
CDG-SCK
I/O
Not used (open)
116
VSS
—
Ground terminal
117
HCK
I
Serial data transfer clock signal input from the video CD controller (IC502)
118
VDD3
—
Power supply terminal (+3.3V)
119
HD-IN
I
Serial data input from the CD mechanism controller (IC502)
120
VDD3
—
Power supply terminal (+3.3V)
38
MCE-SV7
Pin No.
Pin Name
I/O
Description
121
HSEL
I
Command selection signal input from the video CD controller (IC502)
122
CDG-SDATA
I
Not used (fixed at “L”)
123
CDG-VFSY
I
Not used (fixed at “L”)
124
CDG-S0S1
I
Not used (fixed at “L”)
125 to 128
NC
O
Not used (open)
39
MCE-SV7
•
MAIN BOARD IC401 M30620MAA-B53FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 7
—
—
Not used (open)
8
BYTE
I
External data bus line byte selection signal input “L”: 16 bits, “H”: 8 bits
Not used (fixed at “L”)
Not used (fixed at “L”)
9
CNVSS
—
To flash memory connector Not used (open)
10
—
—
Not used (fixed at “L”)
11
—
—
Not used (open)
12
RESET
I
Reset signal input from the tuner unit (ST-SV7)
13
X-OUT
O
System clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
X-IN
I
System clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
—
—
Not used (open)
19
SCOR
I
Subcode sync (S0+S1) detection signal input terminal Not used (open)
20 to 23
—
—
Not used (open)
24
BU PWM 3
O
RFDC PWM signal output terminal Not used (open)
25
—
—
Not used (open)
26
BU PWM 2
O
Tracking error PWM signal output terminal Not used (open)
27
—
—
Not used (open)
28
BU PWM 1
O
Focus error PWM signal output terminal Not used (open)
29
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the video CD
controller and tuner unit (ST-SV7)
controller and tuner unit (ST-SV7)
30
IIC-DATA
I/O
Communication data bus with the video CD controller and tuner unit (ST-SV7)
31
—
—
Not used
32
SQ-DATA-IN
I
Subcode Q data input from terminal Not used (open)
33
SQ-CLK
O
Subcode Q data reading clock signal output terminal Not used (open)
34
RTS1
—
Not used
35
CD-DATA
O
CD decode data output terminal Not used (open)
36
SENS
I
Internal status (SENSE) signal input terminal Not used (open)
37
CD-CLK
O
Serial data transfer clock signal output terminal Not used (open)
38
CD POWER
O
Power on/off control signal output for the video and CD mechanism deck section
“L”: standby, “H”: power on
“L”: standby, “H”: power on
39
—
—
Not used (open)
40
HOLD
O
Automatic power control hold signal output terminal Not used (open)
41
—
—
Not used (fixed at “L”)
42
XLT
O
Serial data latch pulse output to terminal Not used (open)
43
XRST
O
Reset signal output terminal Not used (open)
44
LOAD-IN
O
Loading motor drive signal (load-in direction) output the motor driver (IC701)
45
LOAD-OUT
O
Loading motor drive signal (load-out direction) output the motor driver (IC701)
46
OPEN
I
Sub tray load in/out detect switch (S742) input “L”: sub tray is chucking position
47
CLOSE
I
Sub tray load in/out detect switch (S742) input “L”: sub tray slides out of chucking position
48
T-SENS1
I
Detection input from the disc tray 1 height sensor (IC731)
“H”: disc tray 1 position is chucking position
“H”: disc tray 1 position is chucking position
49
T-SENS2
I
Detection input from the disc tray 2 height sensor (IC732)
“H”: disc tray 2 position is chucking position
“H”: disc tray 2 position is chucking position
40
MCE-SV7
Pin No.
Pin Name
I/O
Description
50
T-SENS3
I
Detection input from the disc tray 3 height sensor (IC733)
“H”: disc tray 3 position is chucking position
“H”: disc tray 3 position is chucking position
51
—
—
Not used (fixed at “H”)
52
DISC-SENS
I
Detection input from the disc in detect sensor (IC751)
53
B-TRIG
O
Deck-B trigger plunger drive signal output to the tape deck unit (TC-S3)
“H”: trigger plunger on
“H”: trigger plunger on
54
ECO CHECK
—
Not used (fixed at “H”)
55
A-TRIG
O
Deck-A trigger plunger drive signal output to the tape deck unit (TC-S3)
“H”: trigger plunger on
“H”: trigger plunger on
56 to 58
—
—
Not used (open)
59
R/PB/PASS
O
Recording/playback/pass selection signal output to the tape deck unit (TC-S3)
“L”: recording, center voltage: playback, “H”: pass
“L”: recording, center voltage: playback, “H”: pass
60, 61
—
—
Not used (open)
62
VCC
—
Power supply terminal (+5V)
63
SOFT-TEST
O
For software check terminal (open)
64
VSS
—
Ground terminal
65 to 68
LED_DISC1
O
LED drive signal output of the 1 indicator (D705) “L”: LED on
69 to 72
LED_DISC2
O
LED drive signal output of the 2 indicator (D704) “L”: LED on
73 to 76
LED_DISC3
O
LED drive signal output of the 3 indicator (D703) “L”: LED on
77 to 80
LED_PLAY
O
LED drive signal output of the N indicator (D702) “L”: LED on
81 to 83
LED_PAUSE
O
LED drive signal output of the X indicator (D701) “L”: LED on
84
EXP-IN DATA
I
Serial data input from the tape deck unit (TC-S3)
85
EXP-OUT DATA
O
Serial data output to the tape deck unit (TC-S3)
86
EXP-LAT
O
Serial data latch pulse signal output to the tape deck unit (TC-S3)
87
EXP-CLK
O
Serial data transfer clock signal output to the tape deck unit (TC-S3)
88
LED_PAUSE
O
LED drive signal output of the X indicator (D701) “L”: LED on
89
A-SHUT
I
Shut off (desk-A) detection signal input from the tape deck unit (TC-S3)
90
B-SHUT
I
Shut off (desk-B) detection signal input from the tape deck unit (TC-S3)
91
B-HALF
I
Detection input from the deck-B cassette detect switch of the tape deck unit (TC-S3)
“L”: cassette in
“L”: cassette in
92
MODEL-IN
I
Model destination setting terminal
93
KEY3
—
Not used (open)
94
KEY2 (TC)
I
Key input from the tape deck unit (TC-S3) (A/D input)
95
KEY1 (CD)
I
Key input terminal (A/D input) (S711 to S720) m, M , ., >, x, X, N, RETURN,
PREV, NEXT keys input
PREV, NEXT keys input
96
AVSS
—
Ground terminal (for A/D conversion)
97
KEY1 (CD)
I
Key input terminal (A/D input) (S701 to S708) DISC 3, DISC 2, DISC 1, Z (DISC1), Z
(DISC2), Z (DISC3), REPEAT, PLAY MODE keys input
(DISC2), Z (DISC3), REPEAT, PLAY MODE keys input
98
VREF
I
Reference voltage (+5V) input terminal (for A/D converter)
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
—
—
Not used (open)
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