Sony MDS-JE640 Service Manual ▷ View online
MDS-JE640
45
45
6-13. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 34 for Waveforms.
46
46
6-14. IC BLOCK DIAGRAMS
IC101 CXA2523AR (BD BOARD)
–1
–2
+
–
IVR
BB
+
–
IVR
AA
+
–
IVR
CC
+
–
IVR
DD
+
–
IVR
+
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
IVR
GSW
+
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
USROP
+
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
100 99 98 97 96 95
94 93
EFMO
DVSS
TEST3
TEST2
TEST1
TEST0
SPFD
SPRD
92
SFDR
91
SRDR
90
FS4
89
FRDR
88
FFDR
87
DVDD
86
TFDR
85
TRDR
84
LDDR
83
APCREF
82
DTRF
81
CKRF
80
XLRF
79
F0CNT
78
ADFG
77
APC
76
DCHG
75 TE
74 SE
73 AVSS
72 ADRB
71 ADRT
70 AVDD
69 ADIO
62 CLTV
61 FILO
60 FILI
59 PCO
57 RFI
58 AVSS
56 BIAS
55 AVDD
54 ASYI
53 ASYO
52 MVCI
51 D3
68 VC
67 AUX1
66 FE
65 ABCD
64 BOTM
63 PEAK
50
D2
49
D0
48
D1
47
XWE
46
XRAS
45
A09
44
XCAS
43
XOE
42
DVSS
41
A11
40
A08
39
A07
38
A06
37
A05
36
A04
35
A10
34
A00
33
A01
32
A02
31
A03
30
DVDD
28
XBCK
29
FS256
26
DADT
27
LRCK
24
XBCKI
25
ADDT
23
LRCKI
22
DATAI
21
DOUT
20
DIN1
19
DIN0
18
XTSL
17
OSCO
16
OSCI
15
TX
14
XINT
13
RECP
12
DQSY
11
SQSY
10
XRST
9
SENS
8
SRDT
7
XLAT
6
SCLK
5
SWDT
4
MNT3
3
MNT2
2
MNT1
1
MNT0
PWM
GENERATOR
AUTO
SEQUENCER
SERVO
DSP
CPU I/F
MONITOR
CONTROL
CONTROL
SPINDLE
SERVO
EACH
BLOCK
BLOCK
EACH
BLOCK
BLOCK
DIGITAL
AUDIO
I/F
SAMPLING
RATE
CONVERTER
CLOCK
GENERATOR
SUBCODE
PROCESSOR
EACH
BLOCK
BLOCK
A/D
CONVERTER
ANALOG
MUX
EFM/ACIRC
ENCODER/
DECODER
APC
PLL
SHOCK RESISTANT
MEMORY CONTROLLER
ATRAC/ATRAC3
ENCODER/DECODER
DRAM
ADIP
DEMODULATOR/
DECODER
COMP
ADDRESS/DATA BUS A00 - A11, D0 - D3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA
–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVE
PREDRIVE
PREDRIVE
PREDRIVE
AMP
INTERFACE
AMP
AMP
AMP
V
DD
PSB
AMP
IC151 CXD2662R (BD BOARD)
IC141 BH6511FS (BD BOARD)
47
IC400 LA5643 (MAIN BOARD)
12
11
10
13
1
2
3
4
8
7
6
5
9
- +
-
+
DELAY
RESET CIRCUIT
- +
- +
-
+
VREF1
VREF3
VREF2
DELA
Y
-
+
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
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
IN
REFERENCE
VOLTAGE
VOLTAGE
OUT
3
4
1
VCOM
AINR
AINL
2
1
3
VREF
4
TEST
7
XTAI
9
XTALE 10
XTAO
8
SDTI 14
LRCK 11
BICK 12
SDTO 13
AGND
5
VA
6
A/D
CONVERTER
BLOCK
D/A
CONVERTER
BLOCK
CLOCK
GENERATOR
& DIVIDER
AUDIO
INTERFACE
CONTROLLER
CDTI
15
CIF
18
CLKO
21
AOUTL+
26
AOUTL–
25
DGND
24
VD
23
VT
22
AOUTR+
28
AOUTR–
27
PD
19
M/S
20
CS
17
CCLK
16
CONTROL
REGISTER
INTERFACE
H.P.F.
D-ATT
D-ATT,
S-MUTE
IC440 LB1641 (MAIN BOARD)
IC480 M5293L (MAIN BOARD)
IC500 AK4524-TP (MAIN BOARD)
48
6-15. IC PIN FUNCTIONS
• IC101 CXA2523AR RF Amplifier (BD BOARD)
Pin No.
Pin Name
I/O
Function
I
J
VC
A to F
PD
APC
APCREF
GND
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
F0CNT
VREF
EQADJ
3TADJ
Vcc
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
COMPO
COMPP
ADDC
OPO
OPN
RFO
MORFI
MORFO
I
I
O
I
I
O
I
—
I
O
I
I
I
I
I
O
I/O
I/O
—
I/O
O
—
O
O
I
—
O
O
O
O
O
O
O
—
I
O
I
I/O
O
I
O
I
O
I-V converted RF signal I input
I-V converted RF signal J input
Middle point voltage (+1.5V) generation output
Signal input from the optical pick-up detector
Light amount monitor input
Laser APC output
Reference voltage input for setting laser power
Ground
Temperature sensor connection
Reference voltage output for the temperature sensor
Serial data input from the CXD2662R
Serial clock input from the CXD2662R
Latch signal input from the CXD2662R
“L”: Latch
Stand by signal input
“L”: Stand by
Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2662R
Reference voltage output (Not used)
Center frequency setting pin for the internal circuit EQ
Center frequency setting pin for the internal circuit BPF3T
+3V power supply
Center frequency setting pin for the internal circuit BPF22
Tracking error signal output to the CXD2662R
External capacitor connection pin for the sled error signal LPF
Sled error signal output to the CXD2662R
FM signal output of ADIP
ADIP signal comparator input
ADFM is connected with AC coupling
External capacitor connection pin for AGC of ADIP
ADIP duplex signal output to the CXD2662R
I
3
signal/temperature signal output to the CXD2662R
(Switching with a serial command)
Focus error signal output to the CXD2662R
Light amount signal output to the CXD2662R
RF/ABCD bottom hold signal output to the CXD2662R
RF/ABCD peak hold signal output to the CXD2662R
RF equalizer output to the CXD2662R
External capacitor connection pin for the RF AGC circuit
Input to the RF AGC circuit
The RF amplifier output is input with AC coupling
User comparator output (Not used)
User comparator input (Fixed at “L”)
External capacitor pin for cutting the low band of the ADIP amplifier
User operation amplifier output (Not used)
User operation amplifier inversion input (Fixed at “L”)
RF amplifier output
Groove RF signal is input with AC coupling
Groove RF signal output
1
2
3
4 to 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control
AGC: Auto Gain Control
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