JVC XM-PX70BU, Руководство по обслуживанию

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XM-PX70WT/BU/PN
1-12
36 35 34 33 32 29 28 26
PEAK 37
RF 38
RFAGC 39
AGCI 40
NC 41
NC 42
ADDC 43
NC 44
TEGC 45
RFO 46
MORFI 47
MORFO 48
24 Vcc
23 3TADJ
22 EQADJ
21 VREF
20 F0CNT
19 XSTBY
18 XLAT
17 SCLK
16 SWDT
15 OP IN
14 OP OUT
13 GND
I
J
VC
A B
C D
E F
PD
APC
APCREF
1 2 3 4 5 6 7 8 9 10 11 12
31 30 27 25
BO
TM
ABCD FE AU
X
ADFG AD
A
GC
ADIN ADFM SE CSLED TE WBLADJ
AG
C,
E
Q
P
eak,Bottom Detector
ADIP Amp
CPU
Command
I/F
I-V
Amp
I-V Amp APC
ABCD Amp 3T Detector
RF Amp
0/-2dB
FE Amp
OP
Amp
TE/SE Amp
CXA2588R (IC300) : RF amp.
1. Pin layout & block diagram
2.Pin function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
I
I
O
I
I
I
I
I
I
I
O
I
-
O
I
I
I
I
I
I
O
I/O
I/O
-
I-V converted RF signal I input
I-V converted RF signal J input
Vcc/2 voltage output
A current input for main beam servo signal
B current input for main beam servo signal
C current input for main beam servo signal
D current input for main beam servo signal
E current input for side beam servo signal
F current input for side beam servo signal
Reflection light q'ty monitor signal input
Laser APC output
Ref. voltage input for laser power intensity setting
Ground
Ope. amp output terminal
21dB ope. amp input terminal
Serial data input terminal
Shift clock input terminal
Latch input terminal
Stand by setting terminal
F0 count setting terminal
Reference voltage output terminal
EQ IF setting terminal
BPF3T IF setting terminal
Power supply
BPF3T IF setting terminal
Tracking error signal output terminal
Sled error signal LPF capacitor connect terminal
Sled error signal output terminal
ADIP FM signal output terminal
ADIP signal completer input terminal
ADIP AGC capacitor connect terminal
ADIP binary signal output
I3 output/temp.signal output
Focus error signal output
Reflection light q'ty signal output for main beam servo detector
RF/ABCD bottom-hold signal output
RF/ABCD peak-hold signal output
RF equalizer output
RFAGC capacitor connection
RFAGC input
Non connect
Non connect
ADIP amp. feedback circuit capacitor connection
Non connection
TE amp. gain switching
RF amp. output
Groove RF signal AC-coupled input
Groove RF signal output
I
J
VC
A
B
C
D
E
F
PD
APC
APCREF
GND
OPOUT
OPIN
SWDT
SCLK
XLAT
XSTBY
F0CNT
VREF
EQADJ
3TADJ
Vcc
Pin
No.
Symbol
I/O Function
Pin
No.
Symbol
I/O Function
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
I/O
O
-
O
O
I
-
O
O
O
O
O
O
O
-
I
-
-
I/O
-
I
O
I
O
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
NC
NC
ADDC
NC
TEGC
RFO
MORFI
MORFO