Sony HCD-LF1 Service Manual page 80

HCD-LF1
Pin No. Pin Name
54 SQCK
55 VSS
CONTROL_2,
56, 57
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 A7
97 DSAVE
98 XDRST
99 WP_EEP
100 SCLK_EEP
80
I/O
O Subcode Q data reading clock signal output to the DSP
— Ground terminal
I Not used
I Guard frame sync signal input from the DVD decoder
O Muting on/off control signal output to the DSP
O Muting on/off control signal output to the motor/coil driver
I Sled servo drive PWM signal input from the DSP
I Spindle motor control signal input from the motor/coil driver
O Muting on/off control signal output to the motor/coil driver
I Jitter signal input terminal
I Tracking error signal input from the CD/DVD/SACD RF amplifier
I Pull in signal input from the CD/DVD/SACD RF amplifier
I Focus error signal input from the CD/DVD/SACD RF amplifier
— Ground terminal
I Reference voltage (+3.3V) input terminal
— Power supply terminal (+3.3V)
I Guard frame sync signal input from the DSP
O SENSE serial data reading clock signal output to the DSP
O Thermal shut down signal output to the motor/coil driver
I Focus OK signal input from the DSP
I GFS is sampled by 460 Hz "H" input when GFS is "H"
O Laser diode selection signal output terminal
O SACD/DVD selection signal output terminal
I/O Two-way I2C data bus with the DVD system processor and system controller
I/O Two-way I2C clock bus with the DVD system processor and system controller
I Serial data input from the RS-232C (for check)
O Serial data output to the RS-232C (for check)
O Serial data transfer clock signal output to the CD/DVD/SACD RF amplifier
I/O Two-way data bus with the CD/DVD/SACD RF amplifier
O Write strobe signal output to the DVD decoder
O Read strobe signal output to the DVD decoder
— Not used
— Power supply terminal (+3.3V)
— Ground terminal
O Address signal output to the DVD decoder
O Power save control signal output to the motor/coil driver
O Reset signal output to the DSP
O Write protect signal output to the EEPROM
O Clock signal output to the EEPROM
Description
"H": muting on
"L": DVD, "L": SACD
"L": reset