Sony HCD-DX50/RG80 Service Manual page 43

Pin No. Pin Name
51 A-TRG
52 B-TRIG
53 AMS-IN
54 CAPM-H/L
55 CAPM-CONTROL
56 A-PLAY
57 B-PLAY
58 TC-MUTING
59 REC/PB/PAS
60 NR-ON/OFF
61 REC-MUTING
62 VCC
63 SOFT-TEST
64 VSS
65 BIAS
66 EQ-H/N
67 PB-A/B
68 ALC
69 TC-RELAY
70 A-HALF
71 N.C.
72 N.C.
73 DISPLAY KEY
74 POWER KEY
75 STBY LED
76 N.C.
77 N.C.
78 GAME/VIDEO
79 DBFB
80 GEQ-DATA
81 GEQ CLK
82 LINE-MUTING
83 STK-MUTING
84 STBY-RELAY
85 REAR-RELAY
86 SURR-RELAY
87 FRONT-RELAY
88 PROTECT
89 A-SHUT
90 B-SHUT
91 B-HALF
92 MODEL-IN
93 SPEC-IN
94 FREQ-B
95 FREQ-A
96 AVSS
97 BOOSTER-SW
98 VREF
99 AVCC
100 AC-CUT
I/O
O A deck trigger control signal output
O B deck trigger control signal output
I AMS signal input (L=ON,H=OFF)
O Capstan motor High/Low speed control signal output
O Capstan motor REV/FWD/STOP control signal output
I A deck play detect signal input
I B deck play detect signal input
O Tape deck line muting signal output (H=ON,L=OFF)
I REC/PB/PAS select signal input (L=REC,Z=PB,H=PAS)
O DOLBY NR ON/OFF signal output (H=ON,L=OFF)
O REC MUTING ON/OFF signal output (L=ON,H=OFF)
— Power supply (+5V)
O Test point (soft check out)
— Ground
O BIAS ON/OFF signal output (H=ON,L=OFF)
O EQ High/Normal select signal output (H=High,L=Normal)
O Playback deck A/B select signal output (L=A,H=B)
O ALC ON/OFF signal output (L=ON,H=OFF)
O Tape deck relay ON/OFF signal output (H=ON,L=OFF)
I A deck half detect signal input
— Not used (connected to ground)
— Not used (connected to ground)
I Display key detect signal input
I Power key detect signal input
O Standby LED ON/OFF signal output (H=ON,L=OFF)
— Not used (connected to ground)
— Not used (connected to ground)
O GAME/VIDEO select signal output (L=GAME,H=VIDEO)
O DBFB ON/OFF signal output (L=ON,H=OFF)
O Data signal output for IC101
O Clock signal output for IC101
O LINE muting ON/OFF signal output (H=ON,L=OFF)
O Power amplifier ON/OFF signal output (H=ON,L=OFF)
O Standby relay ON/OFF signal output
O Not used
O Not used
O Front speaker relay ON/OFF signal output (H=ON,L=OFF)
I Speaker protect ON/OFF signal input (L=ON,H=OFF)
I A deck reel pulse signal input
I B deck reel pulse signal input
I B deck half detect signal input
I MODEL input
I Version select input
O Not used
O Not used
— Analog ground
I Not used
— Analog reference voltage
— Analog power supply
I AC_CUT ON/OFF check (L=ON,H=OFF)
HCD-DX50/RG80
Description
43