Panasonic SL-SV550GT, Service Manual

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MN6627911AC1
IC501
SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR
DIGITAL FILTER & D/A CONVERTER
39
ARF
DSL/PLL VCO
61
63
MLD
MCLK MCLK
MLD
40
IREF
42
DSLF
45
VCOF
44
PLLF
EFM
DEMODULATION/
SYNC
INTERPOLATION/
SUBCODE
DEMODULATION
73
74
64
SUBC SBCK
BLKCK
16K SRAM
CIRC ERROR
CORRECTION
DEINTERLEAVE
55
FLAG
62
MDATA MDATA
68
STAT
STAT
MICRO
COMPUTER
INTERFACE
37
INPUT
PORT
36
35
BDO
NRFDET
OFTR
BDO
NRFDET
OFT
A/D
CONVERTER
33
34
FE
TE
RFENV
FE
TE
RFENV
32
BLKCK
D/A CONVERTER
OUTPUT
PORT
(DIRECT PWM)
26
TIMING
GENERATOR
FCLK
SMCK
66
X2
PMCK
77
76 56 71
X1
SERVO
TIMING
GENERATOR
ANTI SHOCK
MEMORY
CONTROLLER
A0~9
10~19 2,3,
6,7
SMCK PMCK
DIGITAL
DEEMPHASIS
INTER
POLATION
4TIMES
OVER SAMPLING/
DIGITAL FILTER/
SOFT MUTING/
DIGITAL
ATTENUATION
1 BIT
DAC
PWM
LOGIC
PWM
(L)
PWM
(R)
L.P.F.
L.P.F.
OUTL
OUTR
48
50
67
DMUTE
DIGITAL
AUDIO INTERFACE
60
TX
49 47
A
Vss1
A
Vss2
20
Vss2
78
DVss1
79
DV
DD
1
51
AV
DD
1
+B6
DV
DD
2
21
52 54
DVss3
TMOD2
75
NTEST
C3ABMB000027
IC502
16M DRAM
X501
(16.9MHz)
A0~9
23
DQ0~3
9~12,
15~19,
21
4 5 9 8
NCAS0 NCAS1 NRAS NWE
NCAS
NWE
5
4
NRAS
+B3
1,13
V
DD
V
SS
14,26
SERVO
CPU
CLV
SERVO
SPPOL
70
SPPOL
TR-
TR+
25
RI2
SPOUT
22
SPOUT
TBAL FBAL
FO+
FO-
30 31 27 28
TR
V
-
TR
V+
LDON
24 23 38
FI1
FBAL
TBAL RI1
FI3
RI3
LDON
D0~3
2,3,
24,25
46
AV
DD
2
+B5
MON AD PVcc
41
FI2
NRST
69
DRF
43
EXT0~2
57,58,
80
IO
V
DD
1
IO
V
DD
2
29 59 1
DV
DD
3V
RESET
CD
NOE
22
A10
8
R ch
ICP11
DC IN
4.5V
+B1
+B2
REGB
Q11
REGULATOR
/RESET
25
RESET
CD
19 16
MDA
T
A
M
D
ATA
TCLK
TCLK
MLD
17
MLD
ST
A
T
20
S
TAT
MUTE
S202
(REST
SWITCH)
REST
31
Vss
30
T
D
ATA
15
INT
12
INT
BLKCK
21
BLKCK
T
D
ATA
7
PDOWN
BUSY
1
B
USY
VREF
+B3
72
V
CC
+B3
71
TREBLE
BASS
0/-10dB
-63dB
CONTROL
x1
x5
RB
I
2
C BUS D LATCHES
BASS ALC
CONTROL
HALF WAVE
RECTIFIER
R ch
SUPPLY Vref
VS
1
CREF
10
GND
9
OUT-L
(OUT-R)
6
(11)
BASSO-L
(BASSO-R)
5
(12)
BASSI-L
(BASSI-R)
4
(13)
2
(15)
IN-L
(IN-R)
ALC 16
TREBLE-L
(TREBLE-R)
3
(14)
50K
SCL SDA
7 8
+B10
HEADPHONE
Q731
SWITCH-
ING
HEADPHONE
AMP
C1BB00000786
IC701
R ch
A
MUTING
CONT.
28
X
OSC
IN
SMCK
X
OSC
OUT
29 38
TMUTE
Q902
POWER
SUPPLY
Q102
CHARGE2
11
CHARGE2
RW
43
RW
RESET
XC61CN2102MR
IC303
C2BBGE000658
IC301
SYSTEM CONTROL
A
Vss
73
+B3
+B3
DV
DD
3
53
+B4
Q1503
(Q1504)
SWITCH-
ING
Q703
VOICE
GAIN-UP
VRCLK BUSY
SL-SV550(GK) BLOCK DIAGRAM
GUP
42
C0ZBZ0000515
IC1500
TONE CONTROL
ECS
14
MCLK
18
1
CS
2
CLK
3
DI
4
DO
+B3 Vcc
8
GND
5
AK93C45BH-L
IC302
EE PROM
TSENSE
13
+B3 +B12
PDOWN
SWITCH-
ING
Q302
TCS
OPEN
8
OPEN
+B8
POWER
SUPPLY
CONT.
POWER
SUPPLY
Q1500
+B11
POWER
SUPPLY
Q1501
+B10
Q1502
+B8
RESET
Q18
RESET1
RESET
Q301
RESET
Q19
RESET
TU
MCLK
+B2
+B3
X2
45
X2
+B3
S201
(LASER SW)
INTERFACE
Q303
TSENSE
2 R6/LR6(UM-3)
BATTERIES
3V
CHARGE
CONT.
+B3
QY12~QY14
DC IN
DET.
CHARGE1
9
CHG
35
QY16
DY22
SWITCHING
(BEEP)
QY903,904
+B11
BUZ 6KEY
NOTE : CD PLAYBACK SIGNAL LINE
: MAIN SIGNAL LINE
: FM SIGNAL LINE
( ) indicates pin No. Right channel.