![background image](http://html.mh-extra.com/html/sony/xgr600/xgr600_service-manual_1329685046.webp)
HCD-XGR66/XGR600
46
46
T331
r
WAVEFORMS
1
IC501
qa
XC-OUT
2
3
IC501
qd
X-OUT
T331
4
– MAIN BOARD –
– BD BOARD –
IC101
el
FE
1
IC101
ra
TE
2
IC101
rd
RFDC
3
IC101
yj
XTAO
4
– PANEL FL BOARD –
IC601
is
X OUT
1
3.0Vp-p
32KHz
VOL/DIV : 1V AC
TIME/DIV : 10
µ
sec
VOL/DIV : 1V AC
TIME/DIV : 50nsec
2.0Vp-p
16MHz
240Vp-p
13
µ
sec
VOL/DIV : 50V AC
TIME/DIV : 10
µ
sec
TAPE REC only
VOL/DIV : 50V AC
TIME/DIV : 10
µ
sec
TAPE REC only
64Vp-p
13
µ
sec
4MHz
2.4Vp-p
VOL/DIV : 1V AC
TIME/DIV : 0.2
µ
sec
VOL/DIV : 0.1V AC
TIME/DIV : 1msec
VOL/DIV : 0.2V AC
TIME/DIV : 0.2msec
VOL/DIV : 0.2V AC
TIME/DIV : 0.5
µ
sec
VOL/DIV : 0.2V AC
TIME/DIV : 50nsec
0.15Vp-p
0.4Vp-p
0.62Vp-p
0.8Vp-p
16.9344MHz
6-26. IC PIN FUNCTIONS
1
SOSQ
O
Sub-Q serial output
2
SQCK
I
Clock input for SQSO read-out
3
XRST
I
System reset
4
SYSM
I
Muting input
5
DATA
I
Serial date input,supplied from CPU
6
XLAT
I
Latch input,supplied from CPU
7
CLOK
I
Serial date transfer clock input,supplied from CPU
8
SENS
O
SENS output
9
SCLK
I
SENS serial data read-out clock
10
VDD
—
Power supply (+3.3V)
11
ATSK
—
Input pin for anti-shock (Ground)
12
SPOA
—
Ground
13
SPOB
—
Ground
14
XLON
O
Not used (open)
15
WFCK
O
Not used (open)
16
XUGF
O
Not used (open)
17
XPCK
O
Not used (open)
18
GFS
O
Not used (open)
19
2SPO
O
Not used (open)
20
SCOR
O
Sub-code sync output
21
COUT
I/O
Not used (open)
22
MIRR
I/O
Not used (open)
23
DFCT
I/O
Not used (open)
24
FOK
I/O
Not used (open)
25
LOCK
I/O
Not used (open)
26
MDP
O
Output to control spindle motor servo
27
SSTP
I
Input signal to detect disc inner most trak
28
SFDR
O
Sled drive output
29
SRDR
O
Sled drive output
30
TFDR
O
Tracking drive output
31
TRDR
O
Tracking drive output
32
FFDR
O
Focus drive output
33
FRDR
O
Focus drive output
34
VSS
—
Ground
35
TEST
I
TEST pin (connected to ground)
36
TES1
I
TEST pin (connected to ground)
37
XTSL
I
X’tal selection circuit input (connected to ground)
38
VC
I
Center voltage input
39
FE
I
FOCUS error signal input
40
SE
I
Sled error signal input
41
TE
I
Tracking error signal input
42
CE
I
Center servo analog input
43
RFDC
I
RF signal input
44
ADIO
O
Not used (open)
45
AVSS0
—
Analog ground
46
IGEN
I
Power supply pin operational amplifiers
47
AVDDO
—
Power supply (+3.3V)
48
ASYO
O
EFM full swing output
49
ASYI
I
Asymmetry comparator voltage input
50
BIAS
I
Asymmetry circuit constant current input
51
RFAC
I
EFM signal input
52
AVSS3
—
Ground
Description
Pin Name
Pin No.
I/O
• IC101 DIGITAL SIGNAL PROCESSOR (CXD3017Q) (BD Board)