Sony CDP-EX77 / CDP-EX770 / DHC-EX77MD / DHC-MD77 / MHC-EX66 Service Manual ▷ View online
– 22 –
•
Waveforms
– BD Section –
1
IC101
#¡
(RFO) (PLAY Mode)
500 mV/DIV, 500 ns/DIV
6
IC103
@∞
(XPCK)
– MAIN/PANEL/MOTOR Section –
1
IC501
!¡
(X2)
3 Vp-p
10 MHz
5.3 Vp-p
14 ns
2
IC101
$¢
(TEI) (PLAY Mode)
50 mV/DIV, 1 µs/DIV
7
IC103
@™
(BCLK)
5 Vp-p
474 ns
3
IC101
2
(FEI) (PLAY Mode)
50 mV/DIV, 1 µs/DIV
8
IC103
@º
(LRCK)
5.1 Vp-p
22.8
µ
s
4
IC103
3
(MDP) (PLAY Mode)
9
IC104
6
(XTO)
4.6 Vp-p
16.9344 MHz
5
IC103
@•
(RFCK)
Approx. 150 mVp-p
Approx. 100 mVp-p
2.6 Vp-p
7.6
µ
s
5.1 Vp-p
136
µ
s
1.3
±
0.3 Vp-p
– 31 –
•
IC Block Diagrams
– BD Section –
IC101
CXA1782BQ
36
PHD2
PHD1
PHD
33
LD
32
RF M
31
RF O
30
RF I
29
CP
28
CB
27
CC1
26
CC2
25
FOK
24 SENS
23 C. OUT
22 XRST
21 DATA
20 XLT
19 CLK
18 VCC
17 ISET
16 SL 0
15 SL M
14 SL P
13
12
TA O
TA M
11
FSET
10
TG2
9
TGU
8
SRCH
7
FE M
6
FE O
5
FLB
4
FGD
3
FDFCT
2
FEI
1
FEO
48
VC
47
TDFCT
46
TZC
45
ATSC
44
TEI
43
LPFI
42
TEO
41
VEE
40
EI
39
E
38
F
37
FE BIAS
+
+
–
+
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
–
+
+
–
–
+
+
–
+
–
+
–
+
–
+
–
APC
–
–
–
–
LEVELS
FOK
MIRR
DFCT
RF IV AMP2
RF IV AMP1
FE AMP
F IV AMP
E IV AMP
TE AMP
FZC COMP
BAL1
BAL2
BAL3
TOG1
TOG2
TOG3
TTL
IIL
IIL
TTL
TTL
IIL
• IIL DATA RESISTOR
• INPUT SHIFT RESISTOR
• ADDRESS DECODER
• OUTPUT DECODER
HPF COMP
LPF COMP
TZC COMP
DFCT
DFCT
TM1
FS4
ATSC
• WINDOW COMP
• FCS PHASE
COMPENSATION
COMPENSATION
• TRACKING
• PHASE
COMPENSATION
COMPENSATION
• ISET
FS1
FS2
TM4
TM5
TM6
TM3
TM7
TG2
• F SET
TG1
TM2
+
–
TOG1-3
FS1-4
TG1-2
TM1-7
PS1-4
BAL1-3
35
34
– 32 –
IC102
BA6397FP
1
2
3
4
7
8
9
10
11
12
13
14
28
27
26
24
22
21
20
19
18
17
DRIVE
BUFFER
DRIVE
BUFFER
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT DOWN
REGULATOR
DRIVER MUTE
LEVEL
SHIFT
DRIVE
BUFFER
DRIVE
BUFFER
DRIVE
BUFFER
DRIVE
BUFFER
LEVEL
SHIFT
DRIVE
BUFFER
DRIVE
BUFFER
15
16
23
25
5
6
OUT1A
OUT1B
IN1A
IN1B
TR-B
REG 0
XRST
GND
IN2A
IN2B
OUT2A
OUT2B
GND
OP-OUT
GND
OUT4A
OUT4B
IN4A
IN4B
VC
V
CC
V
CC
V
CC
V
CC
IN3B
IN3A
OUT3B
OUT3A
OP+
OP–
IC103
CXD2507AQ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
52
53
54
55
56
57
58
59
60
61
62
63
64
19
FOK
MON
MDP
MDS
LOCK
TEST
FILO
FILI
PCO
VSS
AVSS
CLTV
AVDD
RF
BIAS
ASYI
ASYO
ASYE
WDCK
DATA
XRST
SENS
MUTE
SQCK
SQSO
EXCK
SBSO
SCOR
V
SS
WFCK
EMPH
DOUT
C4M
FSTT
XTSL
XTAO
XTAI
MNTO
SERVO AUTO
SEQUENCER
CPU
INTERFACE
DIGITAL
CLV
SUB CODE
PROCESSOR
EFM
DEMODULATOR
DIGITAL
PLL
ASYMMETRY
CORRECTOR
D/A
INTERFACE
ERROR
CORRECTOR
16K
RAM
DIGITAL
OUT
CLOCK
GENERATOR
LRCK
PCMD
BCLK
GTOP
XUGF
XPCK
V
DD
GFS
RFCK
CZPO
XROF
MNT3
MNT1
XLON
SPOD
SPOC
SPOB
SPOA
CLKO
V
DD
XLTO
DATO
CNIN
SEIN
CLOK
XLAT
3
5
14
4
5
3
6
– 33 –
IC104
PCM1710U-B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
28
INPUT
INTERFACE
DIGITAL
FILTER
NOISE
SHAPER
5-LEVEL DAC
RIGHT
LOW-PASS FILTER
RIGHT
3-STAGE AMP
RIGHT
LOW-PASS FILTER
LEFT
3-STAGE AMP
LEFT
5-LEVEL DAC
LEFT
MODE
CONTROL
TIMING
CONTROL
LRCIN
DIN
BCKIN
CLKO
XTI
XTO
DGND
V
DD
V
CC
2R
GND2R
EXT1R
EXT2R
VOUTR
GND1
ML/DSD
MC/DM2
MD/DM1
MUTE
MODE
CKSL
DGND
V
DD
V
CC
2L
V
CC
1
GND2L
EXT1L
EXT2L
VOUTL
IC701
M54641L
– MAIN/PANEL/MOTOR Section –
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
2
3
4
5
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
REFERENCE
GND
IN1
OUT2
VCC
POWER
SAVE
CONTROL
LOGIC
TSD
1
2
3
4
5
6
7
8
9
10
GND
RIN
VREF
OUT2
RNF
GND
OUT1
VM
VCC
FIN
IC801
BA6286N
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