Sanyo 164 081 00, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
IC902 LC78622E(Degital Signal Processor)
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
COM
Inter Fase
Servo Commander
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CCB
INTERFACE
CONTROL
CIRCUIT
15
14
16
17
18
19
20
21 22 24 25 26 23
10 9 7 6 5 8
11
L4
L3
L2
L1
NC
NC
R1
R2
R3
R4
RSELO RIN RTRE RBASS1 RBASS2 ROUT
LSELO LIN LTRE LBASS1 LBASS2 LOUT
TEST
V
SS
CE
DI
CL
V
DD
Vref
NC
12
13
1
2
30
29
28
27
4
3
LVref
RVref
IC501 LC75342(2 Band Equalizer)
IC301 LA4227(Power Amp)
+
STANDBY
SW
BIAS
CIRCUIT
Ch1
Ch2
THERMAL
SHUT DOWN
PROTECTION
-
+
-
1 2
3
4
5
6
7 8 9 10 11 12
STANDBY
OUT2
BS2 NF2 IN2 DC
(FILTER)
VCC
OUT1
BS1
NF1
IN1
PRE GND