Sony MDS-M9 Service Manual page 32

Pin Name
Pin No.
48 —
SCLK
49
50 SWDT
51 SRDT
—
52
53 FLCLK
FLDATA
54
FLCS
55
56 —
57 TEST 0
TEST 1
58
59, 60 —
AFAST
61
62 SLOW
LDON
63
PIT/GRV
64
FOK
65
66 MON
LOCK
67
68 WRPWR
69 DIG RST
DA RST
70
71, 72 SCMD 1, SCMD 0
MOD
73
74 REC/PB
WR/MN
75
76 SCTX
77 XLATCH
DALAT
78
79 DF MUTE
AMUTE
80
I/O
I
Not used in this unit (Fixed at "L")
O Clock signal output to the serial bus
O
Write data signal output to the serial bus
I
Read data signal input from the serial bus
I
O
O
O
Not used in this unit (Fixed at "L")
I
I
O
Reset signal output to CXD2536R (IC221)
I
I
Not used in this unit (Fixed at "L")
I
O
Laser ON/OFF control output. "H": Laser ON.
Pit/groove detection input. "H" is input for the playback-only disc or TOC area.
I
Not used in this unit. (Fixed at "L")
FOK signal input from CXD2535BR (IC121)
I
"H" is input when focusing.
I
Not used in this unit. (Pull down when input.)
O Not used in this unit. (Pull down when output.)
O
Laser power switching signal output to the optical block and CXD2535BR (IC121)
Reset signal output to CXD1981AR (IC101) and CXD2535BR (IC121) and motor driver
O
(IC151). Reset: "L".
O
Reset signal output to the D/A converter (IC341), A/D converter (IC301). Reset: "L".
O
Serial command control mode output to CXD2536R (IC221)
Laser modulation switching signal output
Playback power: "L", stop: "H".
Recording power:
O
Record/playback switching signal output to CXD2535BR (IC121). Recording: "H", play-
O
back: "L".
O Write/monitor mode switching signal output to CXD2536R (IC221)
Write data transfer timing output to CXD2536R (IC221)
O
Also serves as ON/OFF output of the magnetic head.
O Latch signal output to the serial bus
O Latch signal output to the D/A converter (IC341).
O Not used in this unit (Fixed at "L")
O Line out muting output
— 54 —
Function
0.5S
2S