Yamaha CD-S300, Руководство по обслуживанию

Страница: 23 / 57

23
CD-S300
CD-S30
0
■
IC DATA
IC2: LC786922E-01UY-E (MAIN P.C.B.)
CMOS LSI compact disc player IC
Pin
No.
Function
Name
I/O State During a Reset Detail of Function
1 EFMlN Al Input RF signal input
2 RFOUT AO Undefined RF signal output
3 LPF AO Undefined RF signal DC level detection low-pass filter capacitor connection
4 PHLPF AO Undefined Defect detection low-pass filter capacitor connection
5 AIN AI Input A signal input
6 CIN Al Input C signal input
7 BIN AI Input B signal input
8 DIN AI Input D signal input
9 SLCISET AI Input SLCO output current setting resistor connection
10 RFMON AO Undefined IC internal analog signal monitor
11 VREF AO AVDD/2 VREF voltage output
12 JITTC AO Undefined Jitter detection capacitor connection
13 EIN AI Input E signal input
14 FIN AI Input F signal input
15 PCNCNT AI Input EFM PLL charge pump control voltage input
16 TE AO Undefined TE signal output
17 TEIN AI Input TE signal input used for TES signal generation
18 LDD AO Undefined Laser power control signal output
Laser power detection signal input
19 LDS AI Input
20 AVSS — — Analog system ground / This pin must be connected to the 0 V level
21 AVDD — — Analog system power supply
22 FDO AO AVDD/2 Focus control signal output / D/A converter output
23 TDO AO AVDD/2 Tracking control signal output / D/A converter output
24 SLDO AO AVDD/2 Sled control signal output / D/A converter output
25 SPDO AO AVDD/2 Spindle control signal output / D/A converter output
26 VVSS1 — —
For use by the EFM PLL circuit
Internal VCO ground / This pin must be connected to the 0 V level
27 PDOUT1 O Undefined Internal VCO control phase comparator output 1
28 PDOUT0 O Undefined Internal VCO control phase comparator output 0
29 PCKIST AI Input PDOUT0, 1 output current setting resistor connection pin
30 VVDD1 — — Internal VCO power supply
31 CONT5 O Low General purpose output
32 CONT3 I/O Input General purpose input/output (Built-in pull-up resistor)
33 DEFECT I/O Input Monitor output pin (Defect detection signal output : High-active)
34 FSEQ I/O Input Monitor output pin (CD sync. signal detection output : High-active)
35 C2F I/O Input Monitor output pin (C2 error signal output : High-active)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22 21
EFMIN LRSY
DATACK
DATA
TEST
STDATA
STCK
STREQ
MODE
CONT0
CONT1
CONT2
SUB_READY0
REG_READY0
RESB
DO
DI
CL
CE
RFOUT
LPF
SLICE
LEVEL
CONTROL
LPF
INTERPOLATION MUTE
SRC
PLL3
Memory I/F
CD PLL
DOUT Control
PORT CONTROL
SERVO
CONTROL
SUBCODE
DECODER
TEXT
DECODER
ROM
DECODER
MP3, WMA,
DECODER
Memory
1 M Bit
Synchronization
Detection
EFM
Demodulation
ERROR CORRECTION
PCN Output Control
Stream Control/Audio Input
CLOCK
GENERATOR
8FS DIGITAL FILTER/
1 bit DAC
Audio Control
MUTE/DEEMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC Filter
Audio Output
Control
MONITOR
RF
SIGNAL
PROCESSOR
VREF
TES, HFL,
DEFECT
JITTER
APC
D/A
A/D
PHLPF
AIN
CIN
BIN
DIN
SLCISET
RFMON
VREF
JITTC
EIN
FIN
PCNCNT
TE
TEIN
LDD
LDS
AVSS
AVDD
FDO TDO
SLDO
SPDO
VVSS1
PDOUT1 PDOUT0
PCKIST
VVDD1
CONT5 CONT3
DEFECT
FSEQ
C2F
DVDD
DVSS
DVDD15
VVDD3 VVSS3
SLCO LRVSS RCHO LRREF LCHO LRVDD XVDD XIN XOUT XVSS CONT4 DOUT DVDD DVSS DVDD15 PCMREQ PCMDATA PCMBCK PCMLRSY DVDD
DVDD
DVSS
23 24 25 27 26 30 31 32 33 34 35 36 37 38 39 40 28 29
79 80 78 77 76 74 75 71 70 69 68 67 66 65 64 63 62 61 73 72
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
System
Control
MCU
I/F
EFMlN
RFOUT
LPF
PHLPF
AIN
CIN
BIN
DIN
SLCISET
RFMON
VREF
JITTC
EIN
FIN
PCNCNT
TE
TEIN
LDD
LDS
AVSS
LC786922
6A01
LRSY
DATACK
DATA
TEST
STDATA
STCK
STREQ
MODE
CONT0
CONT1
CONT2
SUB_READY0
REG_READY0
RESB
DO
DI
CL
CE
DVSS
DVDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
AVDD
FDO TDO
SLDO
SPDO
VVSS1
PDOUT1 PDOUT0
PCKIST
VVDD1 CONT5 CONT3
DEFECT
FSEQ
C2F
DVDD
DVSS
DVDD15
VVDD3
VVSS3
SLCO LRVSS RCHO LRREF LCHO LRVDD XVDD XIN XOUT XVSS CONT4 DOUT DVDD DVSS DVDD15 PCMREQ PCMDATA PCMBCK PCMLRSY DVDD
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61