Sony D-E451 - Page 16

– 26 – – 27 –– 24 – – 25 – – 28 –
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Waveforms
5
IC301 !§
(XTLO)
VOLT/DIV : 1 V AC
TIME/DIV : 50 nsec
6
IC801 @º
(OSC2)
VOLT/DIV : 1 V AC
TIME/DIV : 0.2 µsec
7
IC501 @£
(RFO)
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
PLAY MODE
4
IC502 &º
(BCLK)
VOLT/DIV : 1 V AC
TIME/DIV : 0.2 µsec
3
IC502 ^•
(LRCK)
VOLT/DIV : 1 V AC
TIME/DIV : 10 µsec
2
IC502 #§
(FRCK)
VOLT/DIV : 1 V AC
TIME/DIV : 50 µsec
1
IC502 &ª
(XPCK)
SERVICE MODE
during TRK servo OFF
VOLT/DIV : 1 V AC
TIME/DIV : 0..2 µsec
8
T401 4
VOLT/DIV : 1 V AC
TIME/DIV : 2 µsec
9
T401 2
VOLT/DIV : 2 V AC
TIME/DIV : 2 µsec
10
Q402
GATE
VOLT/DIV : 2 V AC
TIME/DIV : 2 µsec
11
Q401
BASE
VOLT/DIV : 2 V AC
TIME/DIV : 2 µsec
12
IC401 @ª
(VOUT2)
VOLT/DIV : 2 V AC
TIME/DIV : 2 µsec
2.4 Vp-p
4.2 MHz
2.9 Vp-
p
136 µ sec
2.9 Vp-
p
22.7 µ sec
2.5 Vp-p
0.47
µ sec
2.6 Vp-
p
16.9 MHz
3.0 Vp-
p
4.19 MHz
0.8–1.2 Vp-
p
4.1 Vp-
p
5.8 µ sec
5.1 Vp-
p
5.8 µ sec
9.0 Vp-
p
5.8 µ sec
9 Vp-p
5.8
µ sec
5.3 Vp-
p
5.8 µ sec
r
IC Block Diagrams
IC401 MPC18A26VMEL
+
–
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
31
32
33
34
35
36
DC IN DETECT
LOW VCPU
DETECT
VCPU
SAWTOOTH
REGUL ATOR
CHARGE SW
CHARGE
AMP
VG
ERROR AMP
PWM2
PWM1
ERROR
AMP
SET-UP
DC/DC
CONVERTER
PWM4
OSC2
SYSTEM
CONTROL
SUB
REFERENCE
BANDGAP
REFERENCE
VG
VG
VG
VG
RS
DCDT
RF2
INM2
INP2
DTC3
RF1
INM1
INP1
CMP1
DTC1
VREF
SWEN
RSTB
CKOUT
SYNC
PCON
CHGON
INM3
RF3
DCIN
CHGSW
BATM
CHGOUT
VIN
VOUT2
NC
VOUT1B
VOUT1
UPCK1B
UPCK1
VG
VDO
SW
VCPU
GND
IC301 TC9438FNEL
21
222324
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
1819
20
DATA
INTERFASE
CIRCUIT
MICRO COMPUTER
INTERFASE
CIRCUIT
OSC
TIMING
GENERATOR
TEST
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
ANALOG
FILTER
DINAMIC
BASS BOOST
CIRCUIT
DIGITAL FILTER CIRCUIT
DEEMPHASIS FILTER CIRCUIT
ATTENUATER OPERATIONAL CIRCUIT
Σ-∆ MODULATION CIRCUIT
LRCK BCLK DATA DBB SDATA SHCK DACLT XVDD XTLO XTLI XGND CKO
DVDD
TEST
SPLS
AVDD
RO
AGND
VREF
AGND
LO
AVDD
µUTE-0
DGND
IC501 BA6386K
21222324
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
181920
31
32
DET BLOCK
HOLD BLOCK
LOOP ON
FOCUS
SWITCH
BAMP
OSC
SCRATCH
CONTROL
FOCUS BIAS
PS PL BL BS
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
C
B
EFM
MIRR
DEFECT
FOK
FON
TEO
DFR
FEO
D
A
FBIAS
VC
FE
EI
E
F
GND
CAGC
CAPC
LD
PD
SROCH
RF– RFO RFI VCC PLH BLH RAGC ASY
IC502 BU9326KS
IC601 SM5902AF
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
51
52
53
54
55
56
57
58
59
60
61626364656667686970
41
42
43
44
45
46
47
48
49
50
71727374757677787980
403938
37
36
3534333231302928272625242322
21
VC
AVDD
DVDD
WINDOW
CLOCK
GEN
SUB
PLL
ECC
AVDD
ASY
EYE
FCO
PCO
TEST1
VC
ADPFI
ADPFO
AGND
RVCO
FOK
FEIN
FCAPA
FON
TEIN
ATS
TZC
TCAPA
TEST2
FDOUT
TDOUT
COMPC XPLCK SENS DVDD GFS N.C SYSCKI RESET DGND CLK DOCK DOUTA LRCK DE C2F C2CLK C1F1 C1F2 C2F1 C2F2
C1FX
C2FX
C2F3
C2F4
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
TEST5
GAINUP
CK176
BUSY
RW
DOUT
DIN
MCK
SD IN
SDOUT
CLVOUT
TEST3 TEST4
CLVOPP
CLVOPN CLVOPO
MUTE1 MUTE2
SCRATCH
MIRROR
DGND
RFCK
WFCK
SUBSYQ
SUBDATA
SUBCK
16k SRAM
SERVO
FILTER
SERVO
CONTROL
CLV
uCOM
INTERFACE
2
3
4
5
6
8
9
7
34
35
36
37
38
39
40
41
42
43
44
15
16
14
21
20
22
INPUT
BUFFER
INPUT
CONTROL 2
COMPRESSION
MODE
THROUGH
MODE
GENERAL
PORT
MICRO
COMPUTER
1/F
INPUT
1/F
OUTPUT
1/F
33
32
31
30
29
28
27
26
25
24
23
DIT
1
VDD2
UC1 UC2 UC3 UC4 UC5
NTEST
CLK
VSS
YSRDATA
NWE D1 D0 D3 D2 NCAS A10/NCAS2
YMCLK YMDATA YMLD
YDMUTE
VDD1
ZSENSE
NRESET
ZSRDATA
ZLRCK
ZSCK
18
19
17
INPUT
CONTROL 1
YBLKCK
YFCLK
YFLAG
YSCK
YLRCK
NRAS
A9
A8
A7
A6
A5
A4
A0
A1
A2
A3
DRAM 1/F
DECODER
ATTENUATOR
ENCODER
10
11
13
12
IC701 MPC17A51VMEL
LOW VOLTAGE
DETECTOR
CHAGE
PUMP
SAW
GEN
ERR 1
C2H
C1H
C1L
C2L
VCG
VIN34
VIN34
OUT 3 A
PGND3
OUT 3 B
OUT 4 B
PGND4
OUT 4 A
VIN34
CF4
CLV
TED
CF3
AGND
C11
VR
OE
SAWTOOTH
PSB
OUT 1 A
OUT 1 B
ERR 2
OUT 2 B
VR
VR
OE
OE
SAWTOOTH
SAWTOOTH
PSB
PSB
VR
OE
SAWTOOTH
PSB
OUT 2 A
OUT 4 B
C14
ERR 4
OUT 4 A
OUT 3 A
OUT 3 B
ER R3
C 13
C 12
MOTOR DRIVER
CH 1
MOTOR DRIVER
CH 2
MOTOR DRIVER
CH 3
MOTOR DRIVER
CH 4
VLG VG
VLG
VG
VCG
VIN12
VLG VG VIN12
VLG VG VIN34
VLG VG VIN34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
VG
DGND
CLK
OE
VCC
VIN12
VIN12
OUT 1 A
PGND1
OUT 1 B
OUT 2 B
PGND2
OUT 2 A
VIN12
CF2
SLD
FED
CF1
VC