Kenwood KMD-44, Руководство по обслуживанию

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1
2
4
5
6
7
8
9
3
15
14
I
J
A
B
C
D
E
F
11
12 22 23 25
41
42 19
APC APCREF EQADJ 3T
ADJ
WBLADJ FZC
RF
AUX1
AUX2
PEAK
BOTTOM
ABCD
FE
VC
SWDT
SCLK
XLAT
FOCONT
114 113
84 85 77 76
112 111
SPFD SPRD FFDR FRDR TFDR TRDR SFDR SRDR
25
28
5
34
15
21
20
MNT0
MNT1
MNT2
MNT3
XINT
SQSY
SENS
SRDT
SCLK
SWDT
XLAT
XRST
44
45
46
62
18
20
19
17
16
FZC
XINT
SQSY
SENS
SRDT
SCLK
SWDT
XLAT
XRST
12 56 23 11 15 13 14 43 36 59 60
LDON SDMUTE LIMIT SW P-ON AMUTE MSD
A
MSCL MST
OP
MRST TYPE 1 TYPE 2
33
7
8
HOT
ESDA
ESCL
20
19
17
16
29
30
23
22
26
25
24
32
33
TRK+
TRK-
FCS+
FCS-
SLED+
SLED-
SPDL+
SPDL-
VC
VREF0
VCC2
VCC1
LOAD
EJECT
10
11
12
13
6
7
8
9
28
27
3
14
5
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
SPFD
SPRD
REG IN
REG OUT
ENREG
LOAD
EJECT
11
10
8
13
12
19
18
14
17
4
5
1
20
21
6
7
A8V
L-CH
R-CH
MRST
MSTOP
MSCL (IIC BUS)
MSDA
AMUTE
BU5V
S5V
S5V
LOE-SW
LOS-SW
DET-SW
LOAD
EJECT
36
30
29
31
34
35
37
33
38
47 46 48 40
10
28
26
32
17
18
20
27
16
41 40
MORF RFO
AUX 1
FOCONT
XSTBY
ADFG
22.58MHz
6
7
8
35
16
14
13
10
9
11
104
105
106
107
102
84
93
80
81
82
83
67
73
72
71
70
85
92
91
5
11
13
3
1
12
2
10
6
4
8.38MHz
4
MUTE 1
MUTE 2
1 2
MUTE 3
36
CH1,2 CH3 CH4
2 1
6 7
SW+5V
DAVDD
AUDIO +B
JITTER
RECORD IN
VC
TE
SE
VC
VC
VC
VC
PD
LD
STBY
TO CH5 OP
S+B
SW+5V
S5V
+3.3V
+2.5V
6
5
BU+5V
1.2V rms
1KHz 0dB
SW+5V
TO SERVO DRIVER
BU+5V
ILCC
LDON
RF AMP
RF AGC & EQ
RF AMP
CXA2523AR
BPF P-P
PEAK &
BOTTOM
ABCD AMP
IV AMP
IV AMP
CVB
AMP
TEMP
VICCONV
ERROR AMP
FOCUS
AT
AMP
BPF
TRACKING
ERROR AMP
SERIAL
PARALLEL
DECODER
BALANCE
E-F
FIL
TER
PLL
DECODER
ACIRC
EFM
MEMORY
RESISTANT
SHOCK
CONTROLLER
DYNAMIC RAM
ATRAC3
ATRAC/
DECODER
DIGITAL
FILTER
DIGITAL
AUDIO
I/F
CONVERTER
D/A
POST FILTER
CONTROL
MONITOR
ANALOG
MUX
ADIP
DEMODULATOR
DECODER
SPINDLE
SERVO
GENERATOR
PWM
APC
DSP
SERVO
CONVERTER
A/D
CLOCK
GENERATOR
AUTO
SEQUENCER
I/F
CPU
PROCESSOR
SUBCODE
TC74HCT7007AF
MECHA u-COM
UPD780076YGK
CH2
DRIVER
CH1
DRIVER
DRIVER
CH4
DRIVER
CH3
VREF
DRIVER
CH5
NJM4565MD
LPF
SW+8V
A3.3V
REG.
LIMIT SW
LOE-SW
LOS-SW
DET-SW
ATRAC/ATRAC3 DECODER
DET.
REFLECT
APC
C B
D A
F
E
J I
DETECTOR
TRACKING
COIL
FOCUS
COIL
M
SLED MOTOR
SPINDLE MOTOR
M
LOADING/EJECT MOTOR
M
THERMISTER
EEPROM
BR24C02FV-W
256 8BIT
S-817A25ANB
SW+5V
EFM/ACIRC DECODER
SHOCK PROOF MEMORY CONTROLLER
DIGITAL SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR
1M-WORD 4BIT DYNAMIC RAM
DIGITAL FILTER. D/A CONVERTER
CDX2667R
FOCUS/TRACKING COIL DRIVER
SPINDLE/SLED MOTOR DRIVER
LA6572
LOADING/EJECT MOTOR DRIVER
IC1
Q1
IC4
Q3
REG.
2.5V
IC2
IC11
IC9
IC5
IC8
LP2982-3.3
Q10
IC12
Q13
Q7
MOTOR ASS'Y
KMS-242B
OPTICAL PICKUP BLOCK
MOTOR BLOCK
X33 UNIT
3 4
KMD-44 KMD-44
BLOCK DIAGRAM (MD)