Ic Pin Function Description - Sony HCD-XGR99AV Service Manual

HCD-XGR99AV
Q Q
3 7 6 3 1 5 1 5 0
WAVEFORMS
r
– MAIN BOARD – – BD BOARD –
1
1 IC501 qa XC-OUT
3.0Vp-p
32KHz
VOL/DIV : 1V AC
TIME/DIV : 10 µ sec
2
2 IC501 qd X-OUT
2.0Vp-p
16MHz
VOL/DIV : 1V AC
TIME/DIV : 50nsec
3 T331 3 IC101 rd RFDC
TAPE REC only
240Vp-p
13 µ sec
VOL/DIV : 50V AC
TIME/DIV : 10 µ sec
4 IC101 yj XTAO
4 T331
T E
L 1 3 9 4 2 2 9 6 5 1 3
TAPE REC only
64Vp-p
13 µ sec
VOL/DIV : 50V AC
TIME/DIV : 10 µ sec
– PANEL FL BOARD –
1
IC601 is X OUT
2.4Vp-p
VOL/DIV : 1V AC
4MHz
TIME/DIV : 0.2 µ sec
w w w
IC101 el FE
0.15Vp-p
VOL/DIV : 0.1V AC
TIME/DIV : 1msec
IC101 ra TE
0.4Vp-p
VOL/DIV : 0.2V AC
TIME/DIV : 0.2msec
0.62Vp-p
VOL/DIV : 0.2V AC
TIME/DIV : 0.5 µ sec
0.8Vp-p
16.9344MHz
VOL/DIV : 0.2V AC
TIME/DIV : 50nsec
x a o
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7-30. IC PIN FUNCTIONS
• IC101 DIGITAL SIGNAL PROCESSOR (CXD3017Q) (BD Board)
Pin No. Pin Name
1 SOSQ
2 SQCK
3 XRST
4 SYSM
5 DATA
6 XLAT
7 CLOK
8 SENS
9 SCLK
10 VDD
11 ATSK
12 SPOA
13 SPOB
14 XLON
15 WFCK
16 XUGF
17 XPCK
18 GFS
19 2SPO
20 SCOR
21 COUT
22 MIRR
Q Q
23 DFCT
3 7 6
24 FOK
25 LOCK
26 MDP
27 SSTP
28 SFDR
29 SRDR
30 TFDR
31 TRDR
32 FFDR
33 FRDR
34 VSS
35 TEST
36 TES1
37 XTSL
38 VC
39 FE
40 SE
41 TE
42 CE
43 RFDC
44 ADIO
45 AVSS0
46 IGEN
47 AVDDO
u 1 6 3
y
48 ASYO
49 ASYI
50 BIAS
51 RFAC
52 AVSS3
50 50
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2 4
8 9 9
I/O Description
O Sub-Q serial output
I Clock input for SQSO read-out
I System reset
I Muting input
I Serial date input,supplied from CPU
I Latch input,supplied from CPU
I Serial date transfer clock input,supplied from CPU
O SENS output
I SENS serial data read-out clock
— Power supply (+3.3V)
— Input pin for anti-shock (Ground)
— Ground
— Ground
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Sub-code sync output
I/O Not used (open)
I/O Not used (open)
I/O Not used (open)
3 1 5 1 5 0 8 9 2
I/O Not used (open)
I/O Not used (open)
O Output to control spindle motor servo
I Input signal to detect disc inner most trak
O Sled drive output
O Sled drive output
O Tracking drive output
O Tracking drive output
O Focus drive output
O Focus drive output
— Ground
I TEST pin (connected to ground)
I TEST pin (connected to ground)
I X'tal selection circuit input (connected to ground)
I Center voltage input
I FOCUS error signal input
I Sled error signal input
I Tracking error signal input
I Center servo analog input
I RF signal input
O Not used (open)
— Analog ground
m
I Power supply pin operational amplifiers
— Power supply (+3.3V)
c o
O EFM full swing output
I Asymmetry comparator voltage input
.
I Asymmetry circuit constant current input
I EFM signal input
— Ground
2
8 9 9
4 9 8 2 9 9