Sony HCD-GRX50 Service Manual page 47

Pin No. Pin Name
74 CAPM-CNT2
75 CAPM-CNT1
76 CAP-M-H/L
77 AMS-IN
78 TC-MUTE
79 R/P-PASS
80 NR-ON/OFF
81 REC-MUTE
82 BIAS
83 EQ-H/N
84 PB-A/B
85 ALC-ON/OFF
86 B-PLAY-SW
87 A-PLAY-SW
88 A-HALF
89 B-HALF
90 B-SHUT
91 A-SHUT
92 SOFT-TEST
HEADPHONE
93
MUTE
94 KEY/CD ADJ
95 MODEL-IN
96 AVSS
97 SPEC-IN
98 AVREF
99 AVCC
100 TC-RELAY
*3 Capstan motor (M1) control
Mode
Stop
Terminal
CAPM-CNT1 (pin &∞) "L"
CAPM-CNT2 (pin &¢)
"L"
I/O
O Capstan motor (M1) drive signal output terminal "H" active *3
O
Capstan motor (M1) drive signal output terminal "H" active *3
High/normal speed selection signal output of the capstan motor (M1)
O
"L": normal speed, "H": high speed
Whether a music is present or not from HA12215F (IC301) is detected at automatic music sensor
I
"L": music is present, "H": music is not present
Line muting on/off selection signal output to the HA12215F (IC301)
O
"L": muting off, "H": muting on
Recording/playback/pass selection signal output to the HA12215F (IC301)
O
"L": recording mode, "H": pass, "Hi-z": playback mode
Dolby NR on/off selection signal output to the HA12215F (IC301)
O
"L": dolby off, "H": dolby on
Recording muting on/off selection signal output to the HA12215F (IC301)
O
"L": muting on, "H": muting off
Recording bias on/off selection signal output to the HA12215F (IC301)
O
"L": bias off, "H": bias on
Normal/high speed selection signal output to the HA12215F (IC301)
O
"L": normal speed, "H": high speed
O
Deck-A/B selection signal output to the HA12215F (IC301) "L": deck-A, "H": deck-B
O
Automatic limiter control signal output to the HA12215F (IC301) "L": limiter on
I
Detection input from the deck- B play detect switch (S1002) "H": deck-B play
I
Detection input from the deck- A play detect switch (S1001) "H": deck-A play
Detection input from the deck-A cassette detect switch (S1003)
I
"L": cassette in, "H": no cassette
I
Detection input from the deck-B half detect switch (S1006)
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
I Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
O
Output terminal for the software test (open)
O
Muting on/off control signal output terminal "L": muting on Not used (open)
I
Setting terminal for the CD adjustment mode Not used (open)
I
Destination setting terminal
— Ground terminal (for A/D conversion)
I
Setting terminal for the version
I
Reference voltage (+5V) input terminal (for A/D conversion)
—
Power supply terminal (+5V) (for A/D conversion)
Recording/playback select signal output to the REC/PB switch (IC602)
O
"L": playback, "H": recording
Forward Reverse
Brake
Direction Direction
"L" "H" "H"
"H" "L" "H"
Function
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