Block Diagram - Panasonic SA-AK640GCP Service Manual

16 Block Diagram

OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q7601
LASER
POWER DRIVE
B
PHOTO DETECTOR
A
B
B
B
F
B
E
B
IC7002
BA5948FPE2
4 CH DRIVE
F- 16 D3-
[CH3]
FOCUS COIL
F+ 15 D3+
18 D4-
T-
[CH4]
TRACKING
COIL
T+ 17 D4+
TRV+ 14 D2+
M
M7302
[CH2]
SPINDLE
TRV- 13 D2-
MOTOR
SP+
12 D1+
M
M7301
TRAVERSE [CH1]
MOTOR SP- 11 D1-
LPD
LD
B
A
C
B
D
F
E
VREF 26
B
IN3 28 FOP
LEVEL
SHIFT
IN4 27 TRP
LEVEL
SHIFT
IN2 1 TRVP
LEVEL
SHIFT
IN1 3 SPOUT
LEVEL
SHIFT
MUTE PC1 4 PC
[CH1]
PC2 2
MUTE
[CH2]
X7201
81 80 70
79 NTEST2
B
82
B NTEST
61 NSRVMONON
/RST 72 TIMING MICRO COMPUTER
NRST
GENERATOR
B [GEN]
47
B AVDD2
31 AVSS2
A, B, C, D, E, F
35~40 A,B,C,D,E,F
LD 42 LD
LPD 41 PD
ARFF 50 ARFFB
ARFF 49 ARFOUT
CMOS
RF
48 ARFDC
AMPLIFIER
RFOUT
45
46 RFIN
43 CENV
33 CTRCRS
B
32
OSCIN
B
34 VREF
B
44 RFENV
A/D
DECORDER
CONVERTER
PC
22 PC
CONVERTER
SPOUT
21 SPOUT
TRVP 23 TRVP
TRP 24 TRP OUTPUT
PORT
FOP
25 FOP
SRVMON0
29
SRVMON1
30
DIGITAL
OUT
66
IC7001
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNAL
PROCESSOR/
DIGITAL FILTER
D/A CONVERTER
53
B B
69 67 68 51 53 52 54 55
TXTCK
DSL/PLL/VCO
INTERFACE
[DSLPLL]
[MCIF]
TXTD
DQSY
SPINDLE
EFM DEMODUALTION
CPU
SYNC INTERPOLATION
[DSV]
CIRC ECC (SBCK)
SUBCODE
CDROM ECC
INTERFACE
[DEMECC]
[DEMECC]
(SUBC)
CIRC RAM
(TXNCLDCK)
SERVO
FLAG
CPU 65
[DSV]
BLKCK 71
BUS CONTROL UNIT
PRAMVDD33 20
[BCU]
1Mbit
PRAMVSS33 18
DRAM
D0~D15 83~92,94~99
A0~A11 1~7,11~15
BA0,BA1 16,17
MP3/WMA
NWE,NCAS 8,9
10,100
NRAS,SDRCK
FS SERIAL OUTPUT EXT0
62
INTERFACE
EXT1
[FSC] [DAO]
63
EXT2
64
(LRCK)
DIGITAL FILTER
1bitDAC
(BCLK)
PWM LOGIC
[DF, MASH]
(SRDATA)
(DVDD2) 76
REGULATOR
ANALOG
LOWPASS
FILTER
57 58 59 56 60 78 26 76 28 93 27 77
CD SIGNAL
B B B B B
RCH
SA-AK640GCP
TOMAINBLOCK
A
B
B