Sony HCD-LX10000 Service Manual page 54

HCD-LX10000
Pin No. Pin Name
50 SW LED2
51 B-PLAY
52 THERMAL VACS
53 A-TRIG
54 CAPM-CONT
55 B-TRIG
56 REC BIAS
57 TC-RELAY
58 ALC
59 PB-AB
60 AMS-IN
61 UNDER VOLTAGE DET
62 VCC
63 OVER VOLTAGE
64 VSS
65 TC MUTE
66 LINE MUTE
67 REC MUTE
68 SW RY
69 STBY-RLY
70 PROT
71 GC-RESET
72 STBY-LED/FAN CTRL
73 DISPLAY-KEY
74 POWER-KEY
75 HP-MUTE
76 FR RELAY
77 LINK/SURR-RLY
78 STK-MUTE
79 M61530-DATA
80 M61530-CLK
81 M61529-DATA
82 M61529-CLK
83 SW ON LED
84 ST-CE
85 MC DIN (ST)
86 ST-CLK
87 MC DOUT (ST)
88 TUNED
89 A SHUT
90 B SHUT
91 SW AD KEY
92 MODEL-IN
93 DEST-IN
94 B-HALF
95 SW VOL IN
96 AVSS
97 BPF DET
98 VREF
99 AVCC
100 HP DET
54
I/O
O Not used (Open)
I Deck B playback detection signal input
I Thermal VACS detection input
O Deck A side trigger plunger drive signal output
O Capstan motor drive signal output
O Deck B side trigger plunger drive signal output
O Recording bias on/off control signal output
O Recording/playback selection signal output
O Automatic limiter control signal output
O Deck A/B playback selection signal output
I Not used.
I Under-voltage protection detection input (Connected to ground)
— Power supply(+3.3V)
I Over-voltage protection detection input (Not used)
— Ground
O Tape playback muting on/off signal output
O Line muting on/off signal output
O Recording muting on/off signal output
O Not used (Open)
O Main power on/off signal output
I Speaker protect detection signal input
O GC reset signal output
O POWER indicator LED drive signal output
I DISPLAY key press detection Interrupt signal input
I POWER key press detection Interrupt signal input
O Headphone muting on/off signal output
O front speakers relay drive signal output
O Surround speaker mode control signal output
O Power amplifier and sub woofer amplifier on/off control signal output
O Not used (Open)
O Not used (Open)
O Serial data output to M61529FP
O Serial transfer clock signal output to M61529FP
O Not used (Open)
O PLL chip enable signal output to the tuner unit
O PLL serial data output to the tuner unit
I PLL serial transfer clock signal output to the tuner unit
I PLL serial data input from the tuner unit
I Tuning detection signal input from the tuner unit
I Shut off detection signal input from deck A side reel pulse detector
I Shut off detection signal input from deck A side reel pulse detector
I Not used (pull up)
I Model setting input
I Destination input
I Deck B cassette , forward side recording tab and reverse side recording tab detection signal input
I Subwoofer on/off signal input
— Ground
I Low frequency signal input from NJM2760 for RANDOM mode
I A/D reference voltage input
— Power supply (+3.3V)
I Headphone connection detection signal input
Description