Sony HCD-RV777D Service Manual page 39

• IC901 CXP973064-243R (MECHANISM CONTROL) (DMB07 Board (5/8))
Pin No. Pin Name
1 NO_USE
2 SDEN
3 DOCTRL/ISBTEST
4 XRST_2753
5 SDA_EEP
6 MNT1
7 FCS_JMP_1
8 FCS_JMP_2
9 SENS_CD
10 CDSP2
11 CDSP4
12 XCS_DVD
13 VSS
14 to 21 D0 to D7
22, 23 INIT0_DVD, INIT1_DVD
24 MSCK_SAMBA
25 XRST_1882
26 SCOR
27 LAT_CD
28 LDON
29 MIRR
30 COUT_CD
31 INLIM
32 CS_ZIVA
33 SI_ZIVA
34 SO_ZIVA
35 SCK_ZIVA
36 DRVIRQ
37 DRVRDY
38 RST
39 VSS
40 XTAL
41 EXTAL
42 VDD
43, 44 SLED_A, SLED_B
45 SCK_DSD
46 SDOUT_DSD
47 SDIN_DSD
48 READY_DSD
49 DATA_CD
50 CLOK_CD
51 XMSLAT
52 SQSO
53 MUTE_DSD
54 SQCK
55 VSS
I/O
O Not used. (Open)
Serial data enable signal output to CD/DVD/SACD RF amp, focus/tracking error amp
O
IC.
O Digital out ON/OFF control signal output to CD decoder, digital servo processor IC.
O Not used in this set. (Open)
I/O Data bus signal input from/output to EEPROM IC.
I EEPROM ready signal input from DVD decoder IC.
O Focus jump 1 signal output to focus/tracking coil driver, spindle/sled motor driver IC.
O Focus jump 2 signal output to focus/tracking coil driver, spindle/sled motor driver IC.
I Internal status (SENSE) signal input from CD decoder, digital servo processor IC.
O CD spectrum signal output to CD decoder, digital servo processor IC.
O CD spectrum signal output to CD decoder, digital servo processor IC.
O Chip select signal output to DVD decoder IC.
— Ground pin
I/O Two-way data bus signal input from/output to DVD decoder IC.
I Interrupt signal input from DVD decoder IC.
O Not used in this set. (Fixed at L.)
O Reset signal output to DVD decoder IC.
Subcode sync (S0+S1) detection signal input from CD decoder, digital servo processor
I
IC.
O Serial data latch pulse signal output to CD decoder, digital servo processor IC.
Laser diode ON/OFF control signal output to CD/DVD/SACD RF amp, focus/tracking
O
error amp IC.
I Mirror signal input from CD/DVD/SACD RF amp, focus/tracking error amp IC.
Numbers of track counted signal input from CD/DVD/SACD RF amp, focus/tracking
I
error amp IC.
Detection signal input from limit in switch. The optical pick-up is inner position when
I
H.
O Chip select signal output to DVD system processor IC.
I Serial data input from DVD system processor IC.
O Serial data output to DVD system processor IC.
O Serial data transfer clock signal output to DVD system processor IC.
O Interrupt request signal output to DVD system processor IC.
O Ready signal output to DVD system processor IC.
I System reset signal input from DVD system processor IC.
— Ground pin
I System clock input (20 MHz)
O System clock output (20 MHz)
— Power supply pin (+3.2 V)
Sled motor drive signal output to focus/tracking coil driver, spindle/sled motor driver
O
IC.
O Clock signal output to DVD decoder IC.
O Not used in this set. (Open)
I Not used in this set. (Open)
I Not used in this set. (Open)
O Serial data output to CD decoder, digital servo processor IC.
O Serial data transfer clock signal output to CD decoder, digital servo processor IC.
O Not used in this set. (Open)
I Subcode Q data input from DVD decoder IC.
O Not used in this set. (Open)
O Subcode Q data reading clock signal output to DVD decoder IC.
— Ground pin
HCD-RV777D/RV888D/RV999D
Pin Description
39