Sanyo DC-S800, Руководство по обслуживанию

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IC102 LC78622NE (Digital Signal Processor)
No. Pin Name I/O Function
32 TEST3 I Test pin.
33 TEST4 I Test pin.
34 NC - Non connection.
35 MUTEL O Mute output terminal for L-ch
36 LVDD - Power supply for L-ch
37 LCHO O Output terminal for L-ch
38 LVSS - GND for L-ch
39 RVSS - GND for R-ch
40 RCHO O Output terminal for R-ch
41 RVDD - Power supply for R-ch
42 MUTER O Mute output terminal for R-ch
43 XVDD - Power supply of crystal oscillation
44 XOUT O Connection terminal of crystal oscillation (16.9344MHz)
45 XIN I Connection terminal of crystal oscillation (16.9344MHz)
46 XVSS - GND of crystal oscillation
47 SBSY O Output terminal for synchronizing signal of
sub-cord block
48 EFLG O Output terminal for correction monitor of C1, C2,
Single and Double
49 PW O Output terminal for sub-cord of P, Q, R, S, T, U and W
50 SFSY O Output terminal for synchronizing signal of
sub-cord frame
51 SBCK I Input terminal for readout clock of sub-cord
52 FSX O Output terminal of Synchronizing signal (7.35kHz)
53 WRQ O Output terminal for standby of sub-cord Q output
54 RWC I Input terminal of read / write control
55 SQOUT O Output terminal of sub-cord Q
56 COIN I Input terminal of command from micro processor
57 CQCK I Clock input for reading sub-cord from SQOUT
58 RES I Reset (turn on : L)
59 TST11 O Test pin
60 16M O 16.9344MHz
61 4.2M O 4.2336MHz
62 TEST5 I Test pin
63 CS I Chip select terminal
64 TEST1 I Test pin
No. Pin Name I/O Function
1 DEFI I Input terminal for detect signal of defect
2 TAI I Input terminal for test.
3 PDO O The phase comparison output terminal for
external VCO control.
4 VVSS - Ground terminal for built-in VCO
5 ISET I Resistance connection terminal for
electric current adjustment of PDO output.
6 VVDD - Built-in VCO power supply terminal.
7 FR I VCO frequency range adjustment.
8 VSS - Ground for Digital
9 EFMO O EFM signal output terminal for slice level control.
10 EFMIN I EFM signal input terminal for slice level control.
11 TEST2 I TEST pin. Normal time is non connection.
12 CLV+ O Output terminal for Disc motor control.
13 CLV- O Output terminal for Disc motor control.
14 V/P O Change of rough servo / phase control
Rough servo : "H", Phase control : "L"
15 HFL I Input terminal of track search signal.
16 TES I Input terminal of tracking error signal.
17 TOFF O Output terminal of tracking off.
18 TGL O Output terminal for change of tracking gain.
19 JP+ O Output terminal for tracking jump control.
20 JP- O Output terminal for tracking jump control.
21 PCK O Clock monitor output terminal for EFM data
playback. (4.3218 MHz)
22 FSEQ O Output terminal for detect of SYNC signal.
23 DVDD - +5V
24 CONT1 I/O
25 CONT2 I/O This output can control at serial control from
26 CONT3 I/O micro processor.
27 CONT4 I/O
28 CONT5 I/O
29 EMPH O Output terminal of de-emphasis monitor .
"H" : de-emphasis
30 C2F O Output terminal of C2 flag
31 DOUT O Output terminal of digital out
IC BLOCK DIAGRAM & DESCRIPTION
EFMO VV
DD
VV
SS
PDO ISET FR PCK TAI
TST11
TEST1 TEST3 TEST5
TEST2 TEST4
V
DD
V
SS
C2F
DOUT
(NC)
LV
DD
LV
SS
MUTEL LCHO
MUTER
RV
DD
RV
SS
RCHO XV
DD
XOUT
XIN FSX
XV
SS
4.2M 16M EFLG EMPH CONT5
CONT4
CONT3
CONT2
CONT1 TGL RES JP+ JP- TOFF TES HFL
RWC
COIN
CQCK
SQOUT
WRQ
CS
SFSY
SBSY
SBCK
PW
V/P
CLV-
CLV+
FSEQ
EFMIN
DEFI
10
22
1
12
13
14
49
51
47
50
63
53
55
57
56
54
15 16 17 20 19 58 18 24 25 26 27 28 29 48 60 61 46 52 45 44 43 39 41 42 40 37 35 38 36
34
31
30
9 21 6 4 3 5 7 2 59 64 11 32 33 62 8 23
Slice level
Control
Subcode Dxract
QCRC
Syncrnous Detect
EFM Demodulation
VCO Clock Oscillator
& Clock Control
X'tal Root
Timing Generator
RAM Address
Generatorl
2K ~8bit
RAM
Billingual
Digital Out
General Ports
Digital Attenuator
Quadruple Over Sampling
Digital Filter
Interpolalation Mute
C1 C2 Error Detect &
Correct Control Flag
1bit DAC
L.P.F
CLV
Digital Servo
µ
COM
Inter Fase
Servo Commander