Sony HCD-XG55 Service Manual ▷ View online
HCD-XG55
49
49
7-22. PRINTED WIRING BOARDS – TC (A)/TC (B)/CD-L/CD-R (1)/CD-R (2) Boards –
•
See page 25 for Circuit Boards Location.
CD-L BOARD
DISC 5
DISC 4
EDIT
FLASH
DISC 3
DISC 2
DISC 1
NON-STOP
D741, S745
LOOP
1-680-177-
(11)
11
LID (CD)
OPEN/CLOSE
S741,
S743 – 750
CD-R (1) BOARD
CD-R (2) BOARD
S763
ROTARY ENCODER
(JOG DIAL)
1-681-622-
(11)
11
1
3
(11)
11
S751 – 757
1-680-178-
PLAY MODE
REPEAT
x
m
M
DISC SKIP
H X
D700, S751
TC(B) BOARD
T
PANEL FL
BOARD
NO601
1
10
H
D621, S616
h
D611, S615
x
X
m
M
.
AMS >
D613, S611
z
REC
D614, S612
H SPEED DUB
S613
CD SYNC
1-680-172-
(11)
11
S611 – 619
1
7
TC(A) BOARD
S
PANEL FL
BOARD
NO602
1
9
H
D621, S621
h
x
DIRECTION
DOLBY NR
D622, S622
m
M
.
AMS >
S621 – 627
1-680-171-
(11)
11
12
1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
(Page 45)
(Page 45)
D611
B-5
D612
B-4
D613
C-5
D614
C-4
D621
B-1
D622
B-2
D700
E-9
D741
C-7
• Semiconductor
Location
Ref. No.
Location
HCD-XG55
50
50
7-23. SCHEMATIC DIAGRAM – TC (A)/TC (B)/CD-L/CD-R (1)/CD-R (2) Boards –
(Page 46)
(Page 46)
TC (B)
TC (A)
HCD-XG55
51
51
7-24. PRINTED WIRING BOARDS – TRANSFORMER Section– •
See page 25 for Circuit Boards Location.
7-25. SCHEMATIC DIAGRAM – TRANSFORMER Section –
TRANS BOARD
1
M
PA BOARD
CN801
4
1
* *
NOT REPLACE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
T951
POWER
TRANSFORMER
1-680-174-
(11)
11
SUB TRANS BOARD
T901
SUB POWER
TRANSFORMER
1
4
Q
PA BOARD
CN904
1
2
1
2
AC IN
1
1-680-175-
(11)
11
(Page 41)
(Page 41)
(Page 42)
(Page 42)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
HCD-XG55
52
52
IC101
CXD2587Q
IC102
BA5974FP-E2
7-26.
IC Block Diagrams
– BD Board –
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
AIN3
GND
IC103
CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µA
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
+
–
–
VCC
+
–
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
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