Sony HCR-S7AV Service Manual page 27

Pin No. Pin Name
50
T-SENS3
51 —
52 DISC-SENS
53 B-TRIG
54
ECO CHECK
55 A-TRIG
56 to 58 —
59
R/PB/PASS
60, 61
—
62 VCC
63
SOFT-TEST
64 VSS
65 to 68
LED_DISC1
69 to 72
LED_DISC2
73 to 76
LED_DISC3
77 to 80 LED_PLAY
81 to 83
LED_PAUSE
84
EXP-IN DATA
85 EXP-OUT DATA
86 EXP-LAT
87
EXP-CLK
88
LED_PAUSE
89 A-SHUT
90 B-SHUT
91
B-HALF
92
MODEL-IN
93
KEY3
94 KEY2 (TC)
95
KEY1 (CD)
96 AVSS
97
KEY1 (CD)
98
VREF
99 AVCC
100
—
I/O
Detection input from the disc tray 3 height sensor (IC733)
I
"H": disc tray 3 position is chucking position
— Not used (fixed at "H")
I
Detection input from the disc in detect sensor (IC751)
Deck-B trigger plunger drive signal output to the tape deck unit (TC-S3)
O
"H": trigger plunger on
— Not used (fixed at "H")
Deck-A trigger plunger drive signal output to the tape deck unit (TC-S3)
O
"H": trigger plunger on
— Not used (open)
Recording/playback/pass selection signal output to the tape deck unit (TC-S3)
O
"L": recording, center voltage: playback, "H": pass
— Not used (open)
—
Power supply terminal (+5V)
O
For software check terminal
— Ground terminal
O LED drive signal output of the 1 indicator (D705) "L": LED on
O LED drive signal output of the 2 indicator (D704) "L": LED on
O LED drive signal output of the 3 indicator (D703) "L": LED on
O LED drive signal output of the N indicator (D702) "L": LED on
O LED drive signal output of the X indicator (D701) "L": LED on
I Serial data input from the tape deck unit (TC-S3)
O Serial data output to the tape deck unit (TC-S3)
O Serial data latch pulse signal output to the tape deck unit (TC-S3)
O Serial data transfer clock signal output to the tape deck unit (TC-S3)
O LED drive signal output of the X indicator (D701) "L": LED on
I
Shut off (desk-A) detection signal input from the tape deck unit (TC-S3)
I Shut off (desk-B) detection signal input from the tape deck unit (TC-S3)
Detection input from the deck-B cassette detect switch of the tape deck unit (TC-S3)
I
"L": cassette in
I Model destination setting terminal
— Not used (open)
I Key input from the tape deck unit (TC-S3) (A/D input)
I Key input terminal (A/D input) (S711 to S717) m, M , ., >, x, X, N keys input
—
Ground terminal (for A/D conversion)
Key input terminal (A/D input) (S701 to S708) DISC 3, DISC 2, DISC 1, Z (DISC1), Z
I
(DISC2), Z (DISC3), REPEAT, PLAY MODE keys input
I
Reference voltage (+5V) input terminal (for A/D converter)
— Power supply terminal (+5V) (for A/D conversion)
— Not used (open)
Description
CDP-S3
25