DOWNLOAD Sony MCE-SV7 / MHC-SV7AV Service Manual ↓ Size: 6.4 MB | Pages: 52 in PDF or view online for FREE

Model
MCE-SV7 MHC-SV7AV
Pages
52
Size
6.4 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mce-sv7-mhc-sv7av.pdf
Date

Sony MCE-SV7 / MHC-SV7AV Service Manual ▷ View online

33
MCE-SV7
Pin No.
Pin Name
I/O
Description
45
AVSS0
Ground terminal (analog system)
46
IGEN
I
Stabilized current input for operational amplifiers
47
AVDD0
Power supply terminal (+3.3V) (analog system)
48
ASYO
O
EFM full-swing output terminal
49
ASYI
I
Asymmetry comparator voltage input terminal
50
RFAC
I
EFM signal input from the CXA2581N (IC103)
51
AVSS1
Ground terminal (analog system)
52
CLTV
I
Internal VCO control voltage input
53
FILO
O
Filter output for master PLL
54
FILI
I
Filter input for master PLL
55
PCO
O
Charge pump output for master PLL
56
AVDD1
Power supply terminal (+3.3V) (analog system)
57
BIAS
I
Asymmetry circuit constant current input terminal
58
VCTL
I
VCO control voltage input terminal for the wideband EFM PLL    Not used (fixed at “H”)  
59
V16M
O
VCO oscillation output terminal for the wideband EFM PLL    Not used (open) 
60
VPCO
O
Charge pump output terminal for the wideband EFM PLL    Not used (open)  
61
DVDD2
Power supply terminal (+3.3V) (digital system)
62
ASYE
I
Asymmetry circuit on/off control signal input terminal    “L”: off,  “H”: on
Not used (fixed at “H”)  
63
MD2
I
Digital out on/off control signal input from terminal    Not used (fixed at “H”)  
“L”: digital out off,  “H”: digital out on
64
DOUT
O
Digital audio signal output to the OPTICAL OUT (IC102)
65
LRCK
O
L/R sampling clock signal (44.1 kHz) output to the CL680T (IC505)
66
PCMD
O
Serial data output to the CL680T (IC505)
67
BCLK
O
Bit clock signal (2.8224 MHz) output to the CL680T (IC505)
68
EMPH
O
“L” is output when playback disc is emphasis off
“H” is output when playback disc is emphasis on    Not used (open)
69
XTSL
I
System clock frequency setting signal input from the CL680T (IC505)
“L”: 16.9344 MHz,  “H”: 33.8688MHz (fixed at “H” in this set)
70
DVSS2
Ground terminal (digital system)
71
XTAI
I
System clock input terminal (33.8688 MHz)
72
XTAO
O
System clock output terminal (33.8688 MHz)    Not used (open)
73
SOUT
O
Serial data output terminal    Not used (open)
74
SOCK
O
Serial data reading clock signal output terminal    Not used (open)
75
XOLT
O
Serial data latch pulse signal output terminal    Not used (open)
76
SQSO
O
Subcode Q data output to the video CD controller (IC502)
77
SQCK
I
Subcode Q data reading clock signal input from the video CD controller (IC502)
78
SCSY
I
Input terminal for resynchronism of guard subcode sync (S0+S1)    Not used (fixed at “L”)
79
SBSO
O
Subcode serial data output terminal    Not used (open)
80
EXCK
I
Subcode serial data reading clock signal input terminal    Not used (open)
34
MCE-SV7
 VMP BOARD  IC502  M30622MGA-A59FP (VIDEO CD CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SENSE
I
Internal status (SENSE) signal input from the CXD3068Q (IC101)
2
SENSE CLK
O
Sense serial data reading clock signal output to the CXD3068Q (IC101)
3
RESOLUTION
O
Serial data output to the Y amplifier (IC303)
4
CROMA LEVEL
O
Serial data latch pulse output to the C amplifier (IC302)
5
DSP CLK
O
Serial data transfer clock signal output to the CXD3068Q (IC101)
6
TSENS
I
Disc tray status detection signal input terminal    Not used (open)
7
REMOTE IN
I
Remote control signal input terminal    Not used (open)
8
BYTE
I
External data bus line byte selection signal input terminal    
“L”: 16 bit, “H”: 8 bit (fixed at “L”)
9
CNVSS
Ground terminal    Not used
10
DSP MUTING
O
Muting on/off control signal output to the CXD3068Q (IC101)    “H”: muting on
11
CTRL1
O
Clock selection signal output to the CXD3068Q (IC101)
“L”: 16.9344 MHz (double speed), “H”: 33.8688 MHz
12
XRESET
I
Reset signal input from the tuner unit (ST-SV7)    “L”: reset
13
XOUT
O
Main system clock output terminal (10 MHz)
14
VSS
Ground terminal
15
XIN
I
Main system clock input terminal (10 MHz)
16
VCC
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD3068Q (IC101)
19
DSENS
I
Disc status detection signal input terminal    Not used (open)
20
CL680 HINT
I
Interrupt request signal input from the CL680T (IC505)
21
H.SYNC IN
O
Horizontal synchronized signal input from the CL680T (IC505)
22
BGP
O
BGP signal output to the C amplifier (IC302)
23
Not used (open)
24
PWM3
O
RFDC PWM signal output to the CXA2581N (IC103)
25
Not used (open)
26
PWM2
O
PWM signal output to the CXA2581N (IC103)
27
Not used (open)
28
PWM1
O
Focus servo drive PWM signal output to the CXA2581N (IC103)
29
I2C.CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the system 
controller (IC401) and tuner unit (ST-SV7)
30
I2C.DATA
I/O
Communication data bus with the system controller (IC401) and tuner unit (ST-SV7)
31
DATA1O
O
Serial data output terminal    Not used
32
DATA1I
I
Serial data input terminal    Not used
33
CLK1
O
Serial data transfer clock signal output  terminal    Not used
34
RTSI
I
Reset signal input terminal    Not used
35
DATAO
O
Serial data output to the CL680T (IC505) and D/A converter (IC509)
36
DATAI
I
Serial data input from the CL680T (IC505)
37
CLKI
O
Serial data transfer clock signal output to the CL680T (IC505) and D/A converter (IC509)
38
P.ON
O
Power on/off control signal output terminal    Not used (open)
39
BUS XRDY
I
Ready signal input terminal    Not used (fixed at “H”)
40
BUS
O
Not used (open)
41
BUS XHOLD
I
Hold signal input terminal    Not used (fixed at “H”)
42, 43
BUS
O
Not used (open)
44
OSD.LANGUAGE
I
Destination setting terminal    “L”: chinese, “H”: others (fixed at “H” in this set)
45
VSYNC
I
Vertical synchronized signal input from theCL680T (IC505)    “L” active
35
MCE-SV7
Pin No.
Pin Name
I/O
Description
46
BUS XWRL
O
Not used
47
LO.BOOST
O
Low boost control signal output terminal    Not used (open)
48
AUDIO MUTING
O
Audio muting on/off control signal output terminal    “L”: muting on    Not used (open)
49
LOAD OUT
O
Loading motor drive signal output terminal    Not used (open)
50
LOAD IN
O
Loading motor drive signal output terminal    Not used (open)
51
INSW
I
Disc detection (load in) switch input terminal    Not used (fixed at “H”)
52
OUTSW
I
Disc detection (load out) switch input terminal    Not used (open)
53
MODEL1
I
Destination setting terminal (open)
54
MODEL2
I
Destination setting terminal (open)
55
TBLL
O
Table motor drive signal output terminal    Not used (open)
56
TBLR
O
Table motor drive signal output terminal    Not used (open)
57 to 59
ENC1 to ENC3
I
Disc tray address detection signal input terminal    Not used (open)
60, 61
O
Not used (open)
62
VCC
Power supply terminal (+5V)
63
O
Not used (open)
64
VSS
Ground terminal
65
V.MUTE
O
Video muting on/off control signal output to the Y/C decoder    “L”: muting on
66
DAC RESET
O
Reset signal output to the D/A converter (IC509)
67 to 72
A5 to A0
O
Address signal output for the external device    Not used (open)
73
TEST LED
O
LED drive signal output for the self diagnosis indicator    Normally: “L” (LED on)
74
TEST1
I
Setting terminal for the test mode 1 (for VCD check)
Normally: fixed at “H” (“L”: test mode)
75
TEST2
I
Setting terminal for the test mode 2 (for SERVO check)
Normally: fixed at “H” (“L”: test mode)
76
TEST3
I
Setting terminal for the test mode 3    Normally: fixed at “H” (“L”: test mode)
Not used (fixed at “H”)
77
DEVICE RESET
O
System reset signal output to the CXD3068Q (IC101) and AN41020A (IC102)    “L”: reset
78
STANDBY
O
Standby on/off control signal output terminal    Not used (open)
79
FL CS
O
Chip select signal output terminal    Not used (open)
80
OFF OUT
O
Blank control signal output terminal    Not used (open)
81
LPH
O
Laser power control signal output terminal    Not used (open)
82
LD ON
O
Laser on/off selection signal output to the CXA2561N (IC103)    “H”: laser on
83
SUBQ CLK
O
Subcode Q data reading clock signal output to the CXD3068Q (IC101)
84
SUBQ DATA
I
Subcode Q data input from the CXD3068Q (IC101)
85
CL680 HRDY
I
Ready status detection signal input from the CL680T (IC505)
86
CL680 RESET
O
Reset signal output to the CL680T (IC505)    “L”: reset
87
CL680 HSEL
O
Command selection signal output to the CL680T (IC505)
88
DF LATCH
O
Serial data latch pulse output to the D/A converter (IC509)    “L” active
89
MIC CTRL
O
Mic control signal output terminal    Not used (open)
90 to 92
KEY1 to KEY3
I
Key input terminal    Not used (open)
93
NT/PAL
I
Video system (NTSC/PAL) select signal input terminal
94
MUSIC VOL
I
Volume input terminal    Not used (fixed at “H”)
95
DSP DATA
O
Serial data output to the CXD3068Q (IC101)
96
AVSS
Ground terminal (for A/D conversion)
97
DSP LATCH
O
Serial data latch pulse output to the CXD3068Q (IC101)
98
VREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
99
AVCC
Power supply terminal (+5V) (for A/D conversion)
100
AMP.ON
O
Power amplifier on/off selection signal output terminal    Not used (open)
36
MCE-SV7
 VMP BOARD  IC505  CL680T-D1 (MPEG VIDEO/AUDIO DECODER, VIDEO SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
NC
O
Not used (open)
2
VSS
Ground terminal
3
CD-BCK
I
CD decode bit clock signal (2.8224 MHz) input from the CXD3068Q (IC101)
4
CD-DATA
I
CD decode data input from the CXD3068Q (IC101)
5
CD-LRCK
I
CD decode L/R sampling clock signal (44.1 kHz) input from the CXD3068Q (IC101)
6
CD-C2PO
I
CD decode C2 error data input from the CXD3068Q (IC101)
7 to 9
NC
O
Not used (open)
10 to 15
MD0 to MD5
I/O
Two-way data bus with the D-RAM (IC507)    Data input from the program ROM (IC510)
16
VSS
Ground terminal
17
MD6
I/O
Two-way data bus with the D-RAM (IC507)    Data input from the program ROM (IC510)
18
VDD3
Power supply terminal (+3.3V)
19
MD7
I/O
Two-way data bus with the D-RAM (IC507)    Data input from the program ROM (IC510)
20
VSS
Ground terminal
21
MD8
I/O
Two-way data bus with the D-RAM (IC507)    Data output to the program ROM (IC510)
22
VDD3
Power supply terminal (+3.3V)
23 to 28
MD9 to MD14
I/O
Two-way data bus with the D-RAM (IC507)    Data output to the program ROM (IC510)
29
MD15
I/O
Two-way data bus with the D-RAM (IC507)
30 to 36
NC
O
Not used (open)
37
MCE
O
Chip enable signal output to the program ROM (IC510)
38
MWE
O
Write enable signal output to the D-RAM (IC507)
39
VSS
Ground terminal
40
CAS
O
Column address strobe signal output to the D-RAM (IC507)
41
VDD3
Power supply terminal (+3.3V)
42
RAS0
O
Row address strobe signal output to the D-RAM (IC507)
43
RAS1
O
Row address strobe signal output terminal    Not used (open)
44, 45
MA10, MA9
O
Address signal output to the program ROM (IC510)
46
MA8
O
Address signal output to the D-RAM (IC507) and program ROM (IC510)
47
VSS
Ground terminal
48
MA7
O
Address signal output to the D-RAM (IC507) and program ROM (IC510)
49
VDD3
Power supply terminal (+3.3V)
50 to 52
MA6 to MA4
O
Address signal output to the D-RAM (IC507) and program ROM (IC510)
53
VSS
Ground terminal
54
MA3
O
Address signal output to the D-RAM (IC507) and program ROM (IC510)
55
VDD3
Power supply terminal (+3.3V)
56 to 58
MA2 to MA0
O
Address signal output to the D-RAM (IC507) and program ROM (IC510)
59
PGIO7
I/O
Not used (open)
60
RESET
I
Reset signal input from the video CD controller (IC502)    “L”: reset
61
VDDMAX-IN
I
Fix the maximum input voltage each input terminal and in/out terminal
62 to 64
NC
O
Not used (open)
65
AGND-DAC
Ground terminal (for D/A converter)
66
AVDD-DAC
Power supply terminal (+3.3V) (for D/A converter)
67
COMPOS OUT
O
Composite video signal output terminal    Not used (open)
68
AGND-DAC
Ground terminal (for D/A converter)
69
Y-OUT
O
Luminance video signal output terminal
70
AVDD-DAC
Power supply terminal (+3.3V) (for D/A converter)
Page of 52
Display

Click on the first or last page to see other MCE-SV7 / MHC-SV7AV service manuals if exist.