Sony MDS-JA20ES Service Manual ▷ View online
– 75 –
– AU Board –
IC100
CXD8607N-T6
IC101
CXA8054M
IC203, 204
CXA8042AS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
INRP
INRM
REFI
AVDD
AVSS
APD
NU
NU
TEST1
LRCK1
BCK1
ADDT
V35A
VSS1 (LF)
MCKI
DPD
VSS2(LF)
INIT
MODE
SHIFT
LATCH
256CK
V35D
VSS2
512CK
BCK2
DADT
LRCK2
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
INLP
INLM
REFO
LVSS
LVDD
AVSS(LF)
NU
NU
VSS1(LF)
TEST3
TEST2
VSS1
VDD1
VDD1
VDD2
L1
AVDDL
L2
AVSSL
XVSS
XIN
XOUT
XVDD
AVSSR
R2
AVDDR
R1
VDD2
MODULATOR
MODULATOR
DECIMATION
FILTER
DECIMATION
FILTER
LOW CUT
FILTER
LOW CUT
FILTER
VOLTAGE
REFERENCE
I/O
I/O
ATT
PLM
OVER
SAMP
FILTER
MOIZE
SHAPER
CPU
INTERFACE
+
–
+
–
ATT
PLM
OVER
SAMP
FILTER
NOIZE
SHAPER
20
VREF
AINR+
AINR–
OUTR
VREFR
OUTR–
OUTR+
AVDD
VREF
AVSS
AINL+
AINL–
OUTL
VREFL
OUTL–
OUTL+
11
19
18
17
16
15
14
13
12
1
10
2
3
4
5
6
7
8
9
+
–
+
+
–
–
+
–
–
1
2
3
4
4
5
6
7
8
9
10
11
12
13
14
13
14
28
27
26
25
25
24
23
22
21
20
19
18
17
16
15
15
SWITCHING
CIRCUIT
CONSTANT
CURRENT
CIRCUIT
REFERENCE
VOLTAGE
CIRCUIT
CONTROL
CIRCUIT
I01+
IN2–
IN2+
NC
IN1+
IN1–
IN1–
NC
C4
C4
C3
GND2
GND2
VEE2
VEE1
C6
C5
CIREF
I02–
NC
I01–
I02+
NC
VCC2
C2
C1
C1
VCC1
VREF
VCNT
GND1
RIREF
– 76 –
IC200
CXD8735N-TP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
INVI
128FsO
TEST
DINIT
MUTEL
OVFLAG
MUTER
MCKIN
DVSS1
DVDD1
64FSI
NU
XIN
XVSS
AVDDR2
AVSSR2
AVDDR1
64FSO
DVSS2
LVCKO
CKVdd
256FSO
DVDD2
R1(–)
R1(+)
R2(+)
R2(–)
AVSSR2
INVO
BCKI
DATA1
LRCKI
INIT
ATT
SHIFT
LATCH
SYSM
NU
NU
NU
DVSS1
DVDD1
XVDD
AVDDL2
L2(–)
L2(+)
AVSSL2
AVSSL1
L1(+)
L1(–)
AVDDL1
SYNC
VSUB
CKCTL
MUTE
XVDD
S/P
AT
T
MODE
AT
T
REGISTER
D/F
TIMNG
CIRCUIT
“0” DETECT
MUTE
CIRCUIT
1024Fs-CLOCK
BUFFER
Buffer(–)
Buffer(+)
Buffer(+)
Buffer(–)
PLM-R2
PLM-R1
Buffer(–)
Buffer(+)
Buffer(+)
Buffer(–)
PLM-L1
PML-L2
CLOCK
GENERA
TOR
CLOCK
BUFFER
IIR
FIR1
OVERFLOW DETECTER
OR
FIR2
FIR4
FIR3
IIR
ATT
X0.75
FIR1
OVERFLOW DETECTER
FIR2
FIR4
L.I.P
3rd order
NOISE
SHAPER
FIR3
ATT
X0.75
L.I.P
DITHER
3rd order
NOISE
SHAPER
– 77 –
– DIGITAL Board –
IC300
IC300
SN74HC153ANS
IC700
LA5632
– POWER Board –
IC400
IC400
LB1641
IC701
M5293L
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3
2C2 2C1 2C0
2Y
VCC
2C3
2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2
1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2
1C1
1C0
OUTPUT
1Y
GND
DATA INPUTS
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
1
–
+
12
DELAY
CIRCUIT
VREF
DELAY
CIRCUIT
3.3V
PH5
STBY
V
CC
ANA5
SYS3.3
B.BAK
AC
CD1
P. DOWN
GND
CD2
S. RESET
–
+
–
+
–
+
–
+
–
+
2
3
4
5
6
7
8
9
10
11
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
REFERENCE
VOLTAGE
VOLTAGE
OUT
3
4
1
– 78 –
6-20. IC PIN FUNCTION DESCRIPTION
•
BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No.
Pin Name
I/O
Function
1
I
I
I-V converted RF signal I input from the optical pick-up block detector
2
J
I
I-V converted RF signal J input from the optical pick-up block detector
3
VC
O
Middle point voltage (+1.65V) generation output terminal
4 to 9
A to F
I
Signal input from the optical pick-up detector
10
PD
I
Light amount monitor input from the optical pick-up block laser diode
11
APC
O
Laser amplifier output terminal to the automatic power control circuit
12
APCREF
I
Reference voltage input terminal for setting laser power
13
GND
—
Ground terminal
14
TEMPI
I
Connected to the temperature sensor
15
TEMPR
O
Output terminal for a temperature sensor reference voltage
16
SWDT
I
Writing serial data input from the CXD2654R (IC121)
17
SCLK
I
Serial data transfer clock signal input from the CXD2654R (IC121)
18
XLAT
I
Serial data latch pulse signal input from the CXD2654R (IC121)
19
XSTBY
I
Standby signal input terminal “L”: standby (fixed at “H” in this set)
20
F0CNT
I
Center frequency control voltage input terminal of internal circuit (BPF22, BPF3T, EQ) input
from the CXD2654R (IC121)
from the CXD2654R (IC121)
21
VREF
O
Reference voltage output terminal Not used (open)
22
EQADJ
I
Center frequency setting terminal for the internal circuit (EQ)
23
3TADJ
I
Center frequency setting terminal for the internal circuit (BPF3T)
24
VCC
—
Power supply terminal (+3.3V)
25
WBLADJ
I
Center frequency setting terminal for the internal circuit (BPF22)
26
TE
O
Tracking error signal output to the CXD2654R (IC121)
27
CSLED
I
Connected to the external capacitor for low-pass filter of the sled error signal
28
SE
O
Sled error signal output to the CXD2654R (IC121)
29
ADFM
O
FM signal output of the ADIP
30
ADIN
I
Receives a ADIP FM signal in AC coupling
31
ADAGC
I
Connected to the external capacitor for ADIP AGC
32
ADFG
O
ADIP duplex signal (22.05 kHz
±
1 kHz) output to the CXD2654R (IC121)
33
AUX
O
Auxiliary signal (I
3
signal/temperature signal) output to the CXD2654R (IC121)
34
FE
O
Focus error signal output to the CXD2654R (IC121)
35
ABCD
O
Light amount signal (ABCD) output to the CXD2654R (IC121)
36
BOTM
O
Light amount signal (RF/ABCD) bottom hold output to the CXD2654R (IC121)
37
PEAK
O
Light amount signal (RF/ABCD) peak hold output to the CXD2654R (IC121)
38
RF
O
Playback EFM RF signal output to the CXD2654R (IC121)
39
RFAGC
I
Connected to the external capacitor for RF auto gain control circuit
40
AGCI
I
Receives a RF signal in AC coupling
41
COMPO
O
User comparator output terminal Not used (open)
42
COMPP
I
User comparator input terminal Not used (fixed at “L”)
43
ADDC
I
Connected to the external capacitor for cutting the low band of the ADIP amplifier
44
OPO
O
User operational amplifier output terminal Not used (open)
45
OPN
I
User operational amplifier inversion input terminal Not used (fixed at “L”)
46
RFO
O
RF signal output terminal
47
MORFI
I
Receives a MO RF signal in AC coupling
48
MORFO
O
MO RF signal output terminal
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