Sony HCD-VX555J Service Manual page 57

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Pin No. Pin Name
52 OUTSW
53 MODEL1
54 MODEL2
55 TBLL
56 TBLR
57 to 59 ENC1 to ENC3
60, 61
62 VCC
63
64 VSS
65 V.MUTE
66 DAC RESET
67 to 72 A5 to A0
73 TEST LED
74 TEST1
75 TEST2
76 TEST3
77 DEVICE RESET
78 STANDBY
79 FL CS
80 FLBLK
81 LPH
TE
L 13942296513
82 LD ON
83 SUBQ CLK
84 SUBQ DATA
85 CL680 HRDY
86 680 RESET
87 CL680 HSEL
88 DF LATCH
89 MIC CTRL
90 to 92 KEY1 to KEY3
93 NT/PAL
94 MUSIC VOL
95 DSP DATA
96 AVSS
97 DSP LATCH
98 VREF
99 AVCC
100 AMP ON
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I/O
— Not used (open)
I Not used (open)
I Not used (open)
— Not used (open)
— Not used (open)
— Not used (open)
— Not used (open)
— Power supply terminal (+5V)
— Not used (open)
— Ground terminal
O Video muting on/off control signal output
O Audio DAC reset signal output (H:Active)
O Not used (open)
O LED drive signal output for MPEG1 decoder test "H" (LED on)
I Not used
I Not used
I Terminal for Test Mode 3 VCD check
O System reset signal output "L":reset
— Not used (open)
— Not used (open)
— Not used (open)
— Not used (open)
O Laser power selection signal output to the CXA2581N (IC103) "H": laser on
O Sub-code Q data reading clock signal output to the CXD3068Q (IC101)
I Sub-code Q data input from the CXD3068Q (IC101)
I HRDY serial signal input from the CL680 (IC505)
O Reset signal output to the CL680 (IC505) "L": reset
O HSEL serial signal output to the CL680 (IC505)
O Serial data latch pulse output to the D/A converter (IC509) "L" active
— Not used (open)
— Not used (open)
— Not used (open)
— Not used (open)
O Serial data output to the CXD3068Q (IC101)
— Ground terminal (for A/D conversion)
O Serial data latch pulse output to the CXD3068Q (IC101)
I Reference voltage (+5V) input terminal (for A/D conversion)
— Power supply terminal (+5V) (for A/D conversion)
— Not used (open)
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Description
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HCD-VX555/VX555J
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