Read Sony HCD-RV660D / HCD-RV990D Service Manual online
25
HCD-RV660D/RV990D
Pin No.
Pin Name
I/O
Pin Description
56, 57
CONTROL_2, CONTROL_1
I
Not used (Open)
58
GFS_DVD
I
Guard frame sync signal input from DVD decoder IC.
59
MUTE_CD
O
Muting ON/OFF control signal output to CD decoder, digital servo processor IC.
60
MUTE_2D
O
Muting ON/OFF control signal output to focus/tracking coil driver, spindle/sled motor
driver IC.
61
SLED
I
Sled motor servo drive PWM signal input from CD decoder, digital servo processor IC.
62
FG
I
Spindle motor control signal input from CD/DVD/SACD RF amp, focus/tracking error
amp IC.
63
SP_ON
O
Muting ON/OFF control signal output to focus/tracking coil driver, spindle/sled motor
driver IC.
64
JIT
I
Jitter signal input
65
TE
I
Tracking error signal input from CD/DVD/SACD RF amp, focus/tracking error amp
IC.
66
PI
I
Pull in signal input from CD/DVD/SACD RF amp, focus/tracking error amp IC.
67
FE
I
Focus error signal input from CD/DVD/SACD RF amp, focus/tracking error amp IC.
68
AVSS
—
Ground
69
AVREF
I
Reference voltage input (for A/D converter)
70
AVDD
—
Power supply pin (+3.2 V) (for A/D converter)
71
GFS_CD
I
Guard frame sync signal input from CD decoder, digital servo processor IC.
72
SCLK_CD
O
SENSE serial data reading clock signal output to CD decoder, digital servo processor
IC.
73
TSD-M
O
Thermal shut down signal output to focus/tracking coil driver, spindle/sled motor
driver IC.
74
FOK_CD
I
Focus OK signal input from CD decoder, digital servo processor IC.
75
LOCK_CD
I
GFS is sampled by 460 Hz. (H input when GFS is H)
76
LDSEL
O
Laser diode selection signal output
77
SACD/DVD
O
SACD/DVD selection signal output
78
I2C_SIO
I/O
Communication data bus signal input/output
79
I2C_SCL
I/O
Communication data reading clock signal input/output
80
RXD
I
Serial data input from RS-232C. (for check)
81
TXD
O
Serial data output to RS-232C. (for check)
82
SDCLK_RF
O
Serial data transfer clock signal output to CD/DVD/SACD RF amp, focus/tracking
error amp IC.
83
SDATA_RF
I/O
Two-way data bus signal input from/output to CD/DVD/SACD RF amp,
focus/tracking error amp IC.
84
XWR
O
Write strobe signal output to DVD decoder IC.
85
XRD
O
Read strobe signal output to DVD decoder IC.
86
(PWE)
—
Not used (Fixed at H)
87
VDD
—
Power supply pin (+3.2 V)
88
VSS
—
Ground
89 to 96
A0 to A8
O
Address signal output to DVD decoder IC.
97
A8
O
Power save control signal output to focus/tracking coil driver, spindle/sled motor
driver IC.
98
XDRST
O
Reset signal output to CD decoder, digital servo processor IC.
99
WP_EEP
O
Write protect signal output to EEPROM IC.
100
SCL_EEP
O
Clock signal output to EEPROM IC.
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