Sony HCD-RV990D Service Manual page 113

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