JVC MX-K1 Service Manual page 36

CD servo control section
7
R673 33K
CD MECHANISM
OPTIMA - 7A
C646
2700p
33K
R672
1 10 C647
2700p
2 9
3 8
R640 6.8K
4 7
R639
1
5 6 6.8K
HDU100 B+D
6
1 1 A+C
F2
2 2
SR
3 3 E
T1
4 4
NC
5 5
F1
6 6
K
7 7 F
T2
8 8
MD
9 9
LD
1K 10 10
VR
11 11
G
12 12 F+
R633
F+
13 13 T+
T+ 10
14 14 T-
T-
15 15 F-
F-
Focusing Tracking
5
C661 1000P
C660
6 FM- 6 1000P
4
5 /REST 5
4 SM+ 4
FEED SPINDLE
3 SM- 3
+
+ 2 REST.G 2
1 FM+ 1
M
M
-
-
REST-SW
TRAY MOTOR
3
+
M
-
Pickup SW
Up
1 1
Tray SW
Open 2 2
1 3 Down 3 3
2 2 4 4
3 1 5 5
6 6 TM-
Close
7 7 TM+
Disc Count
1 1
2 2
1 1
SW704
1 1 2 2
2 2 3 3
4 4 DM-
5 5 DM+
Table Position C675
0.1
2 Turn Table Motor (Disc Motor)
1
A B
MX-K1
R646 220K
TBAL
270K
R645 FBAL
FE
TE
C644 C645
C641
0.022 NOMT
0.022
C630
R642
150K
C642 2200p
R670
C640
10p
390K
0.022
VDET
R618
GCTL
68K
R616 39K
LDON
C637
0.47
/RFDET TP2
Vref
OFT
BDO
D602 1SS133
ARF
RFENV
+
+
R649 C625
+
2.2 NOMT
C626
NOMT
TP1
Q601 0.1
GND
KTA1267 R636 R637
22K 2.2K
C627
R638
3.3K 33p
C655
C654 R658 NOMT
NOMT
R601 0.0068 R657
R666 FOD
1K 2.7K C657
R661 3.9K
C656
R668 NOMT
NOMT
0.0047 R660
2.7K
Q602 TRD
DTC114YS 10K
KICK
R659
100K
DM+
DM-
R619
C659 C658 D601
390p 390p
C662
NOMT
R651 27K ECM
FM SM TM
R652 R653 1.2K ECS
C652
1.2K
390p R654 12K TVD
R655 24K TRV
C653
390p R662 5.6K OPN
R663 5.6K CLS
+ C650
D606 D607
10V220 1N4001 1N4001
C651
25V0.022
C649
50V10
UPSW
DWSW
CLSW
OPSW
DCNT
TPSW
C D E
2-6
MX-K1
C673
100p
+
C607
0.022
TP8
PMCK
TRV 21 80
TRV SSEL
TVD 22 79
TVD MSEL
23 78
PC PSEL
ECM 24 77
ECM CSEL
ECS 25 76
ECS RSEL
R604
KICK 26 75
KICK OUTR
TRD 27 74
TRD AVSS1
R603
FOD 28 73
FOD OUTL
29 72
VREF AVDD1
IC601
FBAL 30 71
FBAL /TEST
MN662748RPM
TBAL 31 70
TBAL IOSEL
FE 32 69
FE RESY
TP9
TE 33 68
TE DEMPH
R615 DEMPH
1K
RFENV 34 67
RFENV CRC
VDET 35 66
VDET CLVS
TP10
OFT 36 65
OFT FLAG FLAG
C608
TP11
37 64
TRCRS IPFLAG IPFLAG
/RFDET 0.1 38 63
/RFDET FCLK
BDO 39 62
BDO CLDCK
LDON 40 61
LDON BYTCK/TRVSTP
R617
1M
GCTL
Bare Jumper
C609 470p JP601
ARF
TP3
ARF
100
1SS133
(DTA114YS)
NOMT
Q603
X601
16.9344MHz +
+
D604
NOMT
R627
NOMT
D603
NOMT
F G
GCTL
GCTL
SQCK
SQCK
SUBQ
SUBQ
To J-6
MLD
MLD
on page 2-5
XRST
XRST
MOMU
MOMU
STAT
STAT
MCLK To H-6
MCLK
MDATA on page 2-5
MDATA
BLKCK
BLKCLK To J-6
on page 2-5
REST
D605
CD+5V
1N4001
D.GND
C604
OUT.R
FB601
2200P
A.GND
To J-5
FB
1K
OUT.L on page 2-5
SW5V
1K
M.GND
R605 220
M+8V
+
L601
10uH
OPSW
OPSW
CLSW
CLSW
UPSW
UPSW
DWSW
DWSW
DCNT
DCNT
To H-6
TPSW
TPSW on page 2-5
OPN
OPN
CLS
CLS
CCW
CCW
CW
CW
CNTT
CNTT
CD SIGNAL
H I J