Sony Vx8 Owners Manual

Ð 81 Ð
Pin No.Pin NameI/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 Ñ Analog ground
46 IGEN I Power supply pin operational amplifiers
47 AVDD Ñ 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 Ñ 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...

Ð 82 Ð
Pin No.Pin Name I/O Function ¥ IC502 MPEG DECODER, MECHANISM CONTROL (M30620MC-A05FP) (VIDEO (1/3) Board)
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 OSerial 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 Ð Ground
10 DSP MUTE O Mute output (IC101) ÒHÓ : mute
11...

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Pin NameI/O
Function
46 BUS XWRL I Not used
47 LO. BOOST I Not used
48 AUDIO MUTE O Audio mute output ÒLÓ : mute
49 LOAD OUT I Not used
50 LOAD IN I Not used
51 INSW I Not used
52 OUTSW I Not used
53 MODEL 1 I L : System input (Fixed at ÒLÓ)
54 MODEL 2 I L : System input (Fixed at ÒLÓ)
55 TBLL I Not used
56 TBLR I Not used
57 ENC 1 I Not used
58 ENC 2 I Not used
59 ENC 3 I Not used
60 Ñ I Not used
61 Ñ I Not used
62 VCC Ð +5V power supply
63 Ñ I Not used
64 VSS Ð Ground
65 A7 O Video mute output...

Ð 84 Ð
Pin No.Pin Name I/O Function ¥ IC505 CD DECODER, SYSTEM CONTROL (CL680T-D1) (VIDEO (2/3) Board)
1 NC Ð Not used
2 VSS Ð Ground
3 CD-BCK I CD Decode bit clock
4 CD-DATA I CD Decode data
5 CD-LRCK I CD Decode Left or Right channel selection clock
6 CD-C2PO I CD Decode C2 error data
7 NC Ð Not used
8 NC Ð Not used
9 NC Ð Not used
10 MD0 I/O Data bus between Microcode ROM/DRAM and CL680
11 MD1 I/O Data bus between Microcode ROM/DRAM and CL680
12 MD2 I/O Data bus between Microcode ROM/DRAM and CL680
13...

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Pin NameI/O
FunctionPin No.
46 MA8 O Address data from CL680 to Microcode ROM/DRAM
47 VSS Ð Ground
48 MA7 O Address data from CL680 to Microcode ROM/DRAM
49 VDD3 Ð +3.3V Power supply
50 MA6 O Address data from CL680 to Microcode ROM/DRAM
51 MA5 O Address data from CL680 to Microcode ROM/DRAM
52 MA4 O Address data from CL680 to Microcode ROM/DRAM
53 VSS Ð Ground
54 MA3 O Address data from CL680 to Microcode ROM/DRAM
55 VDD3 Ð +3.3V Power supply
56 MA2 O Address data from CL680 to Microcode...

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Pin NameI/O
Function
Pin No.
91 PGIO0 I/O Not used
92 PGIO8 I/O Not used
93 PGIO2/VSYNC/CSYNC O Vertical synchronized signal of video signal
94 AVDD PLL Ð +3.3V Power supply
95 NC Ð Not used
96 NC Ð Not used
97 NC Ð Not used
98 AGND PLL Ð Ground
99 VSS Ð Ground
100 NC Ð Not used
101 PGIO3/HSYNC I/O Not used
102 VDD3 Ð +3.3V Power supply
103 PGIO1/VCK-OUT I/O Not used
104 VSS Ð Ground
105 GCK I Not used
106 VCK-IN I Main clock for video signal processer
107 GCKOUT/DA-EMP O Not used
108 DA-LRCK O...

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¥ IC501 MASTER CONTROL (M30622MA-A09FP) (MAIN Board)
Pin No.Pin NameI/O Function
1 STK-MUTE O Power amp ON/OFF signal output
2 POWER O Power ON/OFF signal output
3 F-RELAY O Front speaker relay control output
4 REAR-RELAY O Rear speaker relay control output (Not used)
5 CD-POWER O CD power on signal output
6 LINE-MUTE O Line mute ON/OFF selection output
7 DBFB-H/L O DBFB H/L select signal output
8, 9 Ð Ð Not used
10 XC-IN I
11 XC-OUT O
12 RESET I Reset signal input
13 X-OUT O XÕtal (16MHz)
14 VSS...

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Pin No.Pin NameI/O Function
50 STEREO I Stereo detection for tuner
51 TUNED I Tuned detection for tuner
52 ST-CE O Tuner chip enable output
53 ST-DOUT O Tuner data output
54 ST-DIN I Tuner data input
55 ST-CLK O Tuned clock output
56 SENS I BD Condition signal input (Not used)
57 HDLD O Mode hold signal output (Not used)
58 XLT O CD latch signal output (Not used)
59 XRST O CD reset signal output
60 DISC-SENS I Slit sensor of disc table input
61 T-SENS I CD table detection signal input
62 VCC Ð...

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¥ IC601 DISPLAY CONTROL (TMP88CS76F-6005) (PANEL Board)
Pin No.Pin Name I/O Function
1 SIRCS I Remote commander signal input
2 JOG A I Rotary encoder (S601) pulse input
3 L/P SCK O LED/PAD clock output
4 LED LA O LED latch output
5 L/P DAT O LED/PAD data output
6 PAD LA O PAD latch output
7 L SEL O LED select signal
8 JOG B I Rotary encoder (S601) pulse input
9 VOL A I
10 VOL B I
11 to 14 KEY 0 to KEY 3 I Key input
15 GRADATION L O LED gradation signal (left)
16 S LOW (F01) O Sptctrum analyzer...

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SECTION  9
EXPLODED VIEWS
9-1. CASE SECTION
NOTE:
¥ Items marked Ò*Ó are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
¥ The mechanical parts with no reference number in
the exploded views are not supplied.
¥ Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
¥ Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE)
å
Cabinets color¥ Abbreviation
EA :...