Sony HCD-RG88 Service Manual page 52

HCD-RG88
Pin No. Pin Name
48
BU UP/DOWN-SW
49 TBL-SENS
50 CD-MUTE
51 A-TRIG
52 B-TRIG
53 AMS-IN
54 CAPM-H/L
55 CAPM-CNT1
56 A-PLAY
57 B-PLAY
58 TC-MUTE
59 SW-ON-LED
SW-MATRIX-
60
SURR-2-LED
61 REC-MUTE
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 SW-LINK-LED
SW-MATRIX-
72
SURR-1-LED
73 DISPLAY-KEY
74 POWER-KEY
75 STBY-LED
AUDIO-OUT
76
GAME/VCD
AUDIO-OUT
77
ON/OFF
78
HP MUTE
79 HP-DETECT
80 LINE-MUTE
81 GEQ DATA
82 GEQ CLK
83 STK-MUTE
84 STBY-RELAY
85 NO-USE
86 LINK-RELAY
52
I/O
I
Optical pick-up up/down detection signal input terminal
I
Disc tray status detection signal input
O CD analog signal muting on/off control signal output " H " : muting on
O
Deck-A side trigger plunger drive signal output " H " : plunger on
O Deck-B side trigger plunger drive signal output " H " : plunger on
Whether a music is present or not from the automatic music sensor circuit
I
" L " : music is present, " H " : music is not present
O
High/normal speed selection signal output " L " : high speed, " H " : normal speed
O Capstan motor drive signal output
I
Deck-A play detection signal input terminal " H " : deck-A play
I
Deck-B play detection signal input terminal " H " : deck-B play
O
Playback muting on/off control signal output " H " : muting on
LED drive signal output of the SUBWOOFER ON/OFF indicator at the SS-WGV8
O
" H " : LED on
O
LED drive signal output of the MATRIX SUR2 indicator at the SS-WGV8
O Recording muting on/off control signal output " L " : muting on
—
Power supply terminal (+3.3V)
O Output terminal for the software test
—
Ground terminal
O
Recording bias on/off control signal output " H " : bias on
O
Normal/high speed selection signal output " L " : normal speed, " H " : high speed
O
Deck-A/B selection signal output " L " : deck-B, " H " : deck-A
O
Automatic limiter control signal output " H " : limiter on
O
Recording/playback selection signal output " L " : playback, " H " : recording
I Deck-A cassette detection signal input terminal " L " : no cassette, " H " : cassette in
O
LED drive signal output of the LINK indicator at the SS-WGV8
O
LED drive signal output of the MATRIX SUR1 indicator at the SS-WGV8
I
DISPLAY key input terminal
I
I/1 key input terminal
O LED drive signal output of the I/1 indicator " H " : LED on
Video out game/video CD selection signal output terminal " L " : video CD, " H " : game
O
Not used
O
Audio out on/off control signal output terminal " H " : audio out on Not used
O
Headphone muting on/off control signal output " L " : muting on
Connection detection signal input of the headphone jack
I
" L " : no connected, " H " : headphone connected
O
Line muting on/off control signal output " H " : muting on
O
Serial data output to the audio signal processor
O
Serial data transfer clock signal output to the audio signal processor
Power amplifier and sub woofer amplifier on/off control signal output
O
" L " : standby mode, " H " : power amplifier and sub woofer amplifier on
O
Main power on/off control signal output " H " : power on
—
Not used
O
Relay drive signal output for the surround speaker protect " H " : relay on
Description
" H " : LED on
" H " : LED on
" H " : LED on