Philips 411EXP, Руководство по обслуживанию

Страница: 16 / 40

3-2
23
19
18
21
20
EFM
DEMODULATOR
MICROCONTROLLER
INTERFACE
CONTROL
PART
V
ref
GENERATOR
V
RIN
ADC
PRE-
PROCESSING
CONTROL
FUNCTION
OUTPUT
STAGES
R1
R2
12
D1 D2 D3 D4
SCL
SDA
FRONT
END
HFIN
HFREF
ISLICE
I
ref
13
7
40
39
2
1
3
6
TEST
TEST1
25
TEST2
31
TEST3
44
TIMING
SELPLL
24
CRIN
16
CROUT
15
CL16
26
CL11/4
49
8 9 10
V
SSA1
V
SSA2
V
DDA1
V
DDA2
V
SSD1
V
SSD3
V
SSD2
V
DDD1(P)
V
DDD2(C)
4 14 5 17 33 50 58 52 57
RA
FO
SL
54
55
56
LDON
64
DIGITAL
PLL
SRAM
RAM
ADDRESSER
SUBCODE
PROCESSOR
SBSY
48
SFSY
47
SUB
46
RCK
45
STATUS
43
DECODER
MICRO-
CONTROLLER
INTERFACE
RESET
38
VERSATILE PINS
INTERFACE
KILL
BITSTREAM
DAC
RP
RN
22
LP
LN
V
pos
V
neg
36
SDI
35
WCLI
37
SCLI
SERIAL
DATA
(LOOPBACK)
INTERFACE
30
EF
27
DATA
28
WCLK
29
SCLK
SERIAL
DATA
INTERFACE
PEAK
DETECT
EBU
INTERFACE
AUDIO
PROCESSOR
ERROR
CORRECTOR
FLAGS
MOTOR
CONTROL
51
DOBM
53
CFLG
MOTO1
59
MOTO2
60
V1 V2/
V3
V4 V5 KILL
63 34 61 62 32
SILD
42
RAB
41
11
SYMBOL PIN DESCRIPTION
HFREF 1 comparator common mode input
HFIN 2 comparator signal input
ISLICE 3 current feedback output from data slicer
V
SSA1
4
(1)
analog ground 1
V
DDA1
5
(1)
analog supply voltage 1
I
ref
6 reference current output pin
V
RIN
7 reference voltage for servo ADC’s
D1 8 unipolar current input (central diode signal input)
D2 9 unipolar current input (central diode signal input)
D3 10 unipolar current input (central diode signal input)
D4 11 unipolar current input (central diode signal input)
R1 12 unipolar current input (satellite diode signal input)
R2 13 unipolar current input (satellite diode signal input)
V
SSA2
14
(1)
analog ground 2
CROUT 15 crystal/resonator output
CRIN 16 crystal/resonator input
V
DDA2
17
(1)
analog supply voltage 2
LN 18 DAC left channel differential output - negative
LP 19 DAC left channel differential output - positive
V
neg
20
(1)
DAC negative reference supply (equivalent to DAC V
SS)
V
pos
21
(1)
DAC positive reference supply (equivalent to DAC V
DD
)
RN 22 DAC right channel differential output - negative
RP 23 DAC right channel differential output - positive
SELPLL 24 selects whether internal clock multiplier PLL is used
TEST1 25 test control input 1; this pin should be tied LOW
CL16 26 16.9344 MHz system clock output
DATA 27 serial d4(1)ata output (3-state)
WCLK 28 word clock output (3-state)
SCLK 29 serial bit clock output (3-state)
EF 30 C2 error flag output (3-state)
TEST2 31 test control input 2; this pin should be tied LOW
KILL 32 kill output (programmable; open-drain)
V
SSD1
33
(1)
digital ground 2
V2/V3 34 versatile I/O: input versatile pin 2 or output versatile pin 3 (open-drain)
WCLI 35 word clock input (for data loopback to DAC)
SDI 36 serial data input (for data loopback to DAC)
SCLI 37 serial bit clock input (for data loopback to DAC)
RESET 38 power-on reset input (active LOW)
SDA 39 microcontroller interface data I/O line (open-drain output)
SCL 40 microcontroller interface clock line input
Note
1. All supply pins must be connected to the same external power supply voltage
RAB 41 microcontroller interface R/W and load control line input (4-wire bus mode)
SILD 42 microcontroller interface R/W and load control line input (4-wire bus mode)
STATUS 43 servo interrupt request line/decoder status register output (open-drain)
TEST3 44 test control input 3; this pin should be tied LOW
RCK 45 subcode clock input
SUB 46 P-to-W subcode bits output (3-state)
SFSY 47 subcode frame sync output (3-state)
SBSY 48 subcode block sync output (3-state)
CL11/4 49 11.2896 MHz or 4.2336 MHz (for microcontroller) clock output
V
SSD2
50
(1)
digital ground 3
DOBM 51 bi-phase mark output (externally buffered; 3-state)
V
DDD1(P)
52
(1)
digital supply voltage 2 for periphery
CFLG 53 correction flag output (open-drain)
RA 54 radial actuator output
FO 55 focus actuator output
SL 56 sledge control output
V
DDD2(C)
57
(1)
digital supply voltage 3 for core
V
SSD3
58
(1)
digital ground 4
MOTO1 59 motor output 1; versatile (3-state)
MOTO2 60 motor output 2; versatile (3-state)
V4 61 versatile output pin 4
V5 62 versatile output pin 5
V1 63 versatile input pin 1
LDON 64 laser drive on output (open-drain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
51 49 50 52 53 54 55 56 57 58 59 60 61 62 63 64
HFREF
HFIN
ISLICE
V
SSA1
V
DDA1
I
ref
V
RIN
D1
D2
D3
D4
R1
R2
V
SSA2
CROUT
CRIN
VDDA2
LN LP
V
neg
V
pos RN RP
SELPLL
TEST1
CL16
RA FO SL DOBM
SAA7324 M2
V
SSD3
MOT
O1
SFSY
SBSY
RCK
SUB
V
SSD1
V5 V4
V2/V3
KILL
EF
D
ATA
WCLK
V
DDD1(P)
SCLK
TEST3
CL1
1/4
RAB
SCLI
TEST2
SDI
WCLI
V
SSD2
SILD
MOT
O2
STATUS
V
DDD2(C)
CFLG V1
RESET
LDON
SDA
SCL
7850 : SAA7324H/M2B