Read Sony HCD-RV660D / HCD-RV990D Service Manual online
24
HCD-RV660D/RV990D
• IC901 CXP973064-226R (MECHANISM CONTROL) (DMB03 Board (5/8))
Pin No.
Pin Name
I/O
Pin Description
1
NO_USE
O
Not used (Open)
2
SDEN
O
Serial data enable signal output to CD/DVD/SACD RF amp, focus/tracking error amp
IC.
3
DOCTRL/ISBTEST
O
Digital out ON/OFF control signal output to CD decoder, digital servo processor IC.
4
XRST_2753
O
Not used (Open)
5
SDA_EEP
I/O
Data bus signal input from/output to EEPROM IC.
6
MNT1
I
EEPROM ready signal input from DVD decoder IC.
7
FCS_JMP_1
O
Focus jump 1 signal output to focus/tracking coil driver, spindle/sled motor driver IC.
8
FCS_JMP_2
O
Focus jump 2 signal output to focus/tracking coil driver, spindle/sled motor driver IC.
9
SENS_CD
I
Internal status (SENSE) signal input from CD decoder, digital servo processor IC.
10
CDSP2
O
CD spectrum signal output to CD decoder, digital servo processor IC.
11
CDSP4
O
Not used (Open)
12
XCS_DVD
O
Chip select signal output to DVD decoder IC.
13
VSS
—
Ground
14 to 21
D0 to D7
I/O
Two-way data bus signal input from/output to DVD decoder IC.
22, 23
INIT0_DVD, INIT1_DVD
I
Interrupt signal input from DVD decoder IC.
24
MSCK_SAMBA
O
Not used (Fixed at L)
25
XRST_1882
O
Reset signal output to DVD decoder IC.
26
SCOR
I
Subcode sync (S0+S1) detection signal input from CD decoder, digital servo processor
IC.
27
LAT_CD
O
Serial data latch pulse signal output to CD decoder, digital servo processor IC.
28
LDON
O
Laser diode ON/OFF control signal output to CD/DVD/SACD RF amp, focus/tracking
error amp IC.
29
MIRR
I
Mirror signal input from CD/DVD/SACD RF amp, focus/tracking error amp IC.
30
COUT_CD
I
Numbers of track counted signal input from CD/DVD/SACD RF amp, focus/tracking
error amp IC.
31
INLIM
I
Detection signal input from limit in switch. The optical pick-up is inner position when
H.
32
CS_ZIVA
O
Chip select signal output to DVD system processor IC.
33
SI_ZIVA
I
Serial data input from DVD system processor IC.
34
SO_ZIVA
O
Serial data output to DVD system processor IC.
35
SCK_ZIVA
O
Serial data transfer clock signal output to DVD system processor IC.
36
DRVIRQ
O
Interrupt request signal output to DVD system processor IC.
37
DRVRDY
O
Ready signal output to DVD system processor IC.
38
RST
I
System reset signal input from DVD system processor IC.
39
VSS
—
Ground
40
XTAL
I
System clock input (20 MHz)
41
EXTAL
O
System clock output (20 MHz)
42
VDD
—
Power supply pin (+3.2 V)
43, 44
SLED_A, SLED_B
O
Sled motor drive signal output to focus/tracking coil driver, spindle/sled motor driver
IC.
45
SCK_DSD
O
Clock signal output to DVD decoder IC.
46
SDOUT_DSD
O
Not used (Open)
47
SDIN_DSD
I
Not used (Open)
48
READY_DSD
I
Not used (Open)
49
DATA_CD
O
Serial data output to CD decoder, digital servo processor IC.
50
CLOK_CD
O
Serial data transfer clock signal output to CD decoder, digital servo processor IC.
51
XMSLAT
O
Not used (Open)
52
SQSO
I
Subcode Q data input from DVD decoder IC.
53
MUTE_DSD
O
Not used (Open)
54
SQCK
O
Subcode Q data reading clock signal output to DVD decoder IC.
55
VSS
—
Ground
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