Kenwood X92-3770-00, Service Manual

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2
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
3TADJ
WBLADJ
FZC
RF AUX1 AUX2 PEAK BOTT
OM
ABCD FE VC SWDT SCLK XLA
T
FOCONT
109
108
103
104
101
100
107
106
SPFD
SPRD
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
11 14 11
9
6 13 12
MNT0
MNT1
MNT2 MNT3
XINT
SQSY SENS SRDT
SCLK
SWDT
XLA
T
XRST
36 38 39 14 57 59 58 23 22
FZC XINT SQSY SENS SRDT SCLK SWDT XLA
T
XRST
28
32
17
27
26
62
64
37
35
61
3
LDON
SDMUTE
LIMIT SW
P-ON
AMUTE
MSDA
MSCL
MSTOP
MRST
TYPE 1
TYPE 2
15 10 11 12 13 16 47 29 30
MNT
4
MNT
3
MNT
2
MNT
1
MNT
0
4M/16M
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 MST
OP
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
42
41
MORF
RFO
AUX 1
FOCONT
XSTBY
ADFG
22.58MHz
11
8
11
7
11
6
19 7 5 4 2 1 3
73 74 75 76 70
81
90 77 78 79 80 93 97 96 95 94 82 89 88
1 13 11 5 9
10
8
12
2 6
8.38MHz
4
MUTE 1
MUTE 2
1
2
MUTE 3
36
CH1,2
CH3
CH4
31 57
SW+5V
DA
VDD
AUDIO +B
JITTER
RECORD IN
VC
TE SE
VC
VC
VC
VC
PD LD
STBY
T
O
CH5 OP
S+B
SW+5V
S5V
+3.3V
BU+5V
6 5
BU+5V
1.2V rms 1KHz 0dB
SW+5V
T
O
SER
VO DRIVER
BU+5V
ILCC
LDON
RF AMP
RF
AGC & EQ
RF AMP
CXA2523AR
BPF
P-P
PEAK & BOTT
OM
ABCD AMP
IV AMP IV AMP
CVB
AMP TEMP
VICCONV
ERROR AMP FOCUS AT AMP
BPF
TRACKING ERROR AMP
SERIAL P
ARALLEL
DECODER
BALANCE E-F
FILTER
PLL
DECODER ACIRC EFM
MEMOR
Y
RESIST
ANT
SHOCK CONTROLLER DYNAMIC RAM
A
TRAC
DECODER
DIGIT
AL
FIL
TER
CONVER
TER
D/A
POST
FIL
TER
CONTROL MONIT
OR
ANALOG MUX
ADIP DEMODULA
T
O
R
DECODER SPINDLE SER
VO
GENERA
T
O
R
PWM
APC
DSP SER
VO
CONVER
TER
A/D
CLOCK GENERA
T
O
R
AUT
O
SEQUENCER
I/F
CPU
PROCESSOR SUBCODE
TC74HCT7007AF
MECHA
u-COM
UPD78015FYGC
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
A
TRAC DECODER
DET
.
REFLECT
APC
CB DA
F E
J
I
DETECT
OR
TRACKING
COIL
FOCUS
COIL
M
SLED MOT
OR
SPINDLE MOT
OR
M
LOADING/EJECT
MOT
OR
M
THERMISTER
EEPROM S-24C01B 128 8BIT
SW+5V
EFM/ACIRC DECODER SHOCK PROOF MEMOR
Y
CONTROLLER
DIGIT
AL
SER
VO PROCESSOR
DIGIT
AL
SIGNAL
PROCESSOR
1M-WORD 4BIT
DYNAMIC RAM
DIGIT
AL
FIL
TER. D/A
CONVER
TER
CDX2659R
FOCUS/TRACKING COIL
DRIVER
SPINDLE/SLED MOT
OR DRIVER
LA6552
LOADING/EJECT
MOT
OR DRIVER
IC1
Q1
IC4
Q3
IC2
IC1
1
IC9
IC5
IC8
Q10
IC12
Q13
Q7
MOT
O
R ASS'Y
KMS-242B OPTICAL
PICKUP
BLOCK
MOT
OR BLOCK
X33 UNIT
X92-3770-00,0-01/X92-3780-00,0-01
BLOCK DIAGRAM
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