Sony HCD-VX880AV Service Manual ▷ View online
53
Pin No.
Pin Name
I/O
Function
41
TE
I
Tracking error signal input
42
CE
I
Center servo analog input
43
RFDC
I
RF signal input
44
ADI0
O
Test pin (Not used)
45
AVSS0
—
Analog ground
46
IGEN
I
Power supply pin operational amplifiers
47
AVDD
—
Analog power supply
48
ASYO
O
EFM full swing output
49
ASYI
I
Asymmetry comparate voltage input
50
RFAC
I
EFM signal input
51
AVSS1
—
Analog ground
52
CLTV
I
Control voltage input for master VCO
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
—
Analog power supply
57
BIAS
I
Asymmetry circuit constant current input
58
VCTL
I
Control voltage input for variable pitch PLL
59
V16M
I/O
16.9344MHz output (Not used)
60
VPCO
O
Charge-pump output for variable pitch PLL (Not used)
61
DVDD2
—
Digital power supply
62
ASYE
I
Asymmetry circuit ON/OFF
63
MD2
I
Digital-out ON/OFF control
64
DOUT
O
Digital-out output
65
LRCK
O
48-bit slot D/A interface, LR clock output
66
PCMD
O
48-bit slot D/A interface, Serial deta output
67
BCLK
O
48-bit slot D/A interface, bit clock output
68
EMPH
O
Playback disc output in emphasis mode (Not used)
69
XTSL
I
X’tal selection input pin
70
DVSS2
—
Digital ground
71
XTAI
I
X’tal oscillator circuit input
72
XTAO
O
X’tal oscillator circuit output (Not used)
73
SOUT
O
74
SOCK
O
(Not used)
75
XOCT
O
76
SQSO
O
Sub-Q serial output
77
SQCK
I
Clock input for SQSO read-out
78
SCSY
I
Sub-code input
79
SBSO
O
Sub-P through Sub-W serial output (Not used)
80
EXCR
I
Clock input for SBSO read-out
54
1
SENSE
I
Internal status (SENSE) signal input from the CXD3008Q (IC101)
2
SENSE CLK
O
Sense serial data reading clock signal output to the CXD3008Q (IC101)
3
DSP DATA
O
Serial data output to the CXD3008Q (IC101)
4
DSP LATCH
O
Serial data latch pulse output to the CXD3008Q (IC101)
5
DSP CLK
O
Serial data transfer clock signal output to the CXD3008Q (IC101)
6
LD ON
O
Laser power selection signal output to the CXA2568M (IC103) “H”: laser on
7
REMOTE IN
I
Remote control signal input terminal Not used (open)
8
BYTE
I
“External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
9
CN VSS
—
Ground terminal
10
DSP MUTE
O
Muting on/off control signal output to the CXD3008Q (IC101) “H”: mutin on
11
CTRL1
O
Clock selection signal output to the CXD3008Q (IC101)
“L”: 16.9344 MHz (double speed), “H”: 33.8688 MHz
“L”: 16.9344 MHz (double speed), “H”: 33.8688 MHz
12
XRESET
I
Reset signal input from the system controller (IC501) “L”: reset
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L”: is input, then it changes to “H”
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 (+5 V)
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 CXD3008Q (IC101)
19
CTRL2
O
AGC HOLD signal output.
20
8830 HINT
I
Interrupt request signal input from the MPEG video/audio decoder (IC506)
21
NT/PAL OUT
O
NTSC/PAL select signal output.
22
DF LATCH
O
Serial data latch pulse output to the D/A converter (IC509) “L”: activ
23
NC
—
Not used.
24
8830 RESET
O
Reset signal output to the MPEG video/audio decoder (IC506) “L”: reset
25
JOG1
I
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
26
JOG2
I
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
27
VMUTE
O
Video muting on/off control signal output terminal “L”: muting on
28
OSD CS
O
Chip select signal of D/A converter (IC511).
29
I2C/RX
I/O
I
2
C and serial data input from CD mechanism control (IC501).
30
I2C/TX
I/O
I
2
C and serial data output from CD mechanism control (IC501).
31
S-DATA O
O
Serial data output to the MPEG video/audio decoder (IC505) and D/A convertor (IC509)
32
S-DATA I
I
Serial data input from the MPEG video/audio decoder (IC505)
33
S-CLK
O
Serial data transfer clock signal output to the MPEG video/audio decoder (IC505) and D/A
converter (IC509)
converter (IC509)
34
RTS1
O
RTS signal to serial port (check connector).
35
NC
O
Not used (open)
36
SUBQ DATA
I
Sub-code Q data input from the CXD3008Q (IC101)
37
SUBQ CLK
O
Sub-code Q data reading clock signal output to the CXD3008Q (IC101)
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”)
Pin No.
Pin Name
I/O
Function
• IC505 CD MECHANISM CONTROLLER (M30624FGFP) (VIDEO BOARD (1/2))
55
Pin No.
Pin Name
I/O
Function
42, 43
BUS
O
Not used (open)
44
BUS XRD
O
Bus read signal output.
45
BUS
O
Not used.
46
BUS XWR
O
Bus write signal output.
47
8830-CS
O
Chip select signal output. (IC505)
48
AUDIO MUTE
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 (fixed at “H”)
53
MODEL1
I
Destination setting terminal (fixed at “L”)
54
MODEL2
I
Destination setting terminal (fixed at “L”)
55 to 61
A15 to A9
O
Address signal output for the external device. Not used
62
VCC
—
Power supply terminal (+5 V)
63
A8
O
Address signal output for the external device. Not used (open)
64
VSS
—
Ground terminal
65 to 72
A7 to A0
O
Address signal output for the external device.
73
TEST LED
O
LED drive signal output for the self diagnosis indicator (D502) Normally: “L” (LED on)
74
TEST1
I
Setting terminal for the test mode 1 (for VCD check)
Normally: fixed at “H” (“L”: test mode)
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)
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”)
Not used (fixed at “H”)
77
DEVICE RESET
O
System reset signal output to the CXD3008Q (IC101), BA5974FP (IC102) and D/A
converter (IC509) “L”: reset
converter (IC509) “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
FLBLK
O
Blank control signal output terminal Not used (open)
81 to 88
D7 to D0
I/O
Two-way data bus with the external device Not used (open)
89
NC
—
Not used.
90 to 92
KEY1 to KEY3
I
Key input terminal Not used (fixed at “H”)
93
NT/PAL
I
Video system select switch (S501) input terminal
“L”: PAL, “H”: NTSC, Center voltage: AUTO
“L”: PAL, “H”: NTSC, Center voltage: AUTO
94, 95
NC
—
Not used.
96
AVSS
—
Ground terminal (for A/D conversion)
97
NC
—
Not used.
98
VREF
I
Reference voltage (+5 V) input terminal (for A/D conversion)
99
AVCC
—
Power supply terminal (+5 V) (for A/D conversion)
100
NC
—
Not used.
56
1
PIO [10:0]
I/O
Programmable I/O pins.
2 to 4
HDATA [7:0]
I/O
8 bit bl-directional host data bus. Host writes data to the decoder Code FIFO via
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
5
VDD
—
3.3-V supply voltage for core logic and I/O signals.
6
HDATA [7:0]
I/O
8 bit bl-directional host data bus. Host writes data to the decoder Code FIFO via
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
7
VSS
—
Ground for core logic and I/O signals.
8 to 11
HDATA [7:0]
I/O
8 bit bl-directional host data bus. Host writes data to the decoder Code FIFO via
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes
the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
12
VDD
—
3.3-V supply voltage for core logic and I/O signals.
13
RESET
I
Hardware reset. An external device asserts RESET (active LOW) to execute a
decoder hardware reset. To ensure proper initialization after power in stable, assert
RESET for at least 20 Ms.
decoder hardware reset. To ensure proper initialization after power in stable, assert
RESET for at least 20 Ms.
14
VSS
—
Ground for core logic and I/O signals.
15
WAIT
O
Active LOW to indicate host initiated transfer is not complete. WAIT is asserted after
the falling edge of CS and reasserted when decoder is ready to complete transfer cycle.
Open drain signal, must be pulled-up to 3.3 volts. Driven high for 10 ns before tristate.
the falling edge of CS and reasserted when decoder is ready to complete transfer cycle.
Open drain signal, must be pulled-up to 3.3 volts. Driven high for 10 ns before tristate.
16
INT
O
Host interrupt. Open drain signal, must be pulled-up to 3.3 volts. Driven high for
10 ns before tristate.
10 ns before tristate.
17
VDD
—
3.3-V supply voltage for core logic and I/O signals.
19
VSS
—
Ground for core logic and I/O signals.
27
VDD
—
3.3-V supply voltage for core logic and I/O signals.
29
VSS
—
Ground for core logic and I/O signals.
36
VDD
—
3.3-V supply voltage for core logic and I/O signals.
38
VSS
—
Ground for core logic and I/O signals.
40
VDD
—
3.3-V supply voltage for core logic and I/O signals.
42
VSS
—
Ground for core logic and I/O signals.
47
VDD
—
3.3-V supply voltage for core logic and I/O signals.
49
VSS
—
Ground for core logic and I/O signals.
52
PIO [10:0]
I/O
Programmable I/O pins.
53, 54
MDATA [15:0]
I/O
Memory address.
55
VDD
—
3.3-V supply voltage for core logic and I/O signals.
56
MDATA [15:0]
I/O
Memory address.
57
VSS
—
Ground for core logic and I/O signals.
58 to 60
MDATA [15:0]
I/O
Memory address.
61
VDD
—
3.3-V supply voltage for core logic and I/O signals.
62
MDATA [15:0]
I/O
Memory address.
63
VSS
—
Ground for core logic and I/O signals.
64
MDATA [15:0]
I/O
Memory address.
65
VDD
—
3.3-V supply voltage for core logic and I/O signals.
66
MDATA [15:0]
I/O
Memory address.
67
VSS
—
Ground for core logic and I/O signals.
68
MDATA [15:0]
I/O
Memory address.
69
VDD
—
3.3-V supply voltage for core logic and I/O signals.
70
MDATA [15:0]
I/O
Memory address.
71
VSS
—
Ground for core logic and I/O signals.
72 to 74
MDATA [15:0]
I/O
Memory address.
75
VDD
—
3.3-V supply voltage for core logic and I/O signals.
Pin No.
Pin Name
I/O
Function
• IC506 MPEG VIDEO/AUDIO DECODER, VIDEO SIGNAL PROCESSOR (CL8830-PD0) (VIDEO BOARD (2/2))
Click on the first or last page to see other HCD-VX880AV service manuals if exist.