Sony HCD-ED2 Service Manual ▷ View online
HCD-ED2
25
25
6-13. PRINTED WIRING BOARD – POWER SECTION –
• See page 13 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location
D1
B-4
D2
B-5
D3
A-5
D4
D-6
D502
C-1
D503
E-1
D504
D-3
D506
C-4
D507
D-5
D515
B-3
D516
B-4
D517
B-3
D518
C-3
D519
B-2
D520
B-2
IC501
E-6
IC505
E-1
Q1
B-4
Q2
B-5
Q3
B-5
Q4
C-6
Q6
D-6
Q501
F-1
Q502
E-4
Q504
E-4
Q505
E-3
Q506
E-6
Q507
F-1
Q508
E-5
Q510
F-1
IC5
W504
14
2
15
13
1
1
POWER IC BOARD
(SIDE A)
1
09
1
2
A
POWER IC BOARD
09
1
2
A
(SIDE B)
T501
POWER TRANSFORMER
115V
230V
S501
W501
8P
FOR DOUBLE VOLTAGE MODEL
MODEL (MY, SP, TW, HK)
AC IN
8
7
6
5
4
3
2
RELAY
BOARD
W103
BOARD
W103
J
8
7
6
5
4
3
2
(Page 23)
(US, CND, AEP, UK )
1
ILLUMINATION
BLOCK, LED
Q3
E
B
TP502
C999
M502
A
L
+
–
–
+
1
8
1
TM501
RY1
D3
D2
Q3
Q1
Q2
C31
M504
R40
R42
R45
R38
C30
C44
C23
C37
C38
C35
F502
F501
C36
C39
R41
R39
C24
C32
J546
J545
J541
C26
R34
C21
R25
R28
R29
C19
D4
R24
R27
C518
C509
C508
IC501
3
E
B
E
B
E
E
B
B
2
1
Q507
J538
D507
C522
C514
R30B
R30A
M503
1
2
RY501
J504
J506
C520
C510
C511
D502
J508
J505
J509
J510
J511
J512
J513
J514
J524
J520
J518
M501
J516
J517
R506
C526
R503
Q510
E
E
Q501
J519
C530
Q508
Q504
J529
R512
R509
R508
Q505
C27
C25
C34
C33
C22
C43
C40
C28
R32
R36
R50
R49
R48
R51
R31
R47
R37
C42
R33
R35
C41
13
1
D516
D519
D520
C541
C540
C543
C542
J503
J502
C502
C503
D515
D517
D518
J550
F504
F503
F506
F505
J534
J533
J548
C539
RX1
D506
J532
R501
C524
C523
C516
R518
R571
C532
R515
R22
Q6
B
R23
R26
R44
R46
J543
R43
J539
J535
J536
J537
J526
J549
J527
J525
C517
C515
C521
J507
IC505
R504
R516
R511
R507
J521
J522
J523
R505
Q503
1
10
E
B
E
B
R502
D504
C513
R510
J530
E
B
B
E
E
B
09
1
2
3
4
5
6
F
E
D
C
B
A
POWER AMP BOARD
E
E
Q4
L2
L1
E
Q502
R
SPEAKER
C20
D1
EXCEPT US, CND
C527
C512
D503
Q506
T501
POWER TRANSFORMER
W501
8P
FOR SINGLE VOLTAGE MODEL
MODEL (US, CANADIAN, AEP, UK, KR)
AC IN
R551
AC IN BOARD
09
1
2
A
(CHASSIS)
C29
C45
C46
VOLTAGE
SELECTOR
Ver 1.1 2002.05
HCD-ED2
26
26
6-14. SCEMATIC DIAGRAM – RDS SECTION –
• See page 13 for Waveforms.
• See page 27 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
• See page 27 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
HCD-ED2
27
27
6-15. PRINTED WIRING BOARD – RDS SECTION –
• See page 13 for Circuit Boards Location.
JW410
JW408
JW406
R410
R411
C451
C403
R408
Q450
JW403
R454
R455
JW404
JW405
R402
R401
C402
JW402
R403
R405
L401
R409
C405
C401
JW401
R404
R406
C421
C423
C455
C454
C456
C457
R452
R453
JW409
L403
M451
L405
C453
C452
C404
LC451
M401
B
E
C
C
14
2
15
1
B
A
L404
L402
X451
15
14
1
2
09
1
2
3
4
B
A
RDS BOARD
8
9
1
16
EXCEPT US, CND
DISPLAY
BOARD
CON1
BOARD
CON1
K
(Page 21)
TUNER
PACK
SUPPLIED AS THE
ASSEMBLED BLOCK
HCD-ED2
28
28
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
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
CORRECTION
CORRECTION
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
6-16. IC BLOCK DIAGRAMS
• BD Board
IC101 CXD2587Q
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC103 CXA2568M-T6
• POWER AMP Board
IC505 LA5617
ON/OFF
CURRENT
LIMITER
START
CIRCUIT
VREF
OVER HEAT
PROTECT
ON/OFF
CURRENT
LIMITER
1
2
3
4
5
6
7
8
9
10
VCC
VMUTE
VCC
VREF
ERROR
AMP
VREF
ERROR
AMP
VO1
VCC
CN1
EN
EN DISPLAY
GND
NC
CN2
VEE
VO2
~
_1.8V
~_
140uA
COMPARATER
• FUNCTION Board
IC301 M62442
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
INE1
IND1
INC1
INB1
INA1
KEYOUT
AVSS
REFO1
REFIN
REFO2
A
B
C
D
E
F
AVDD
INA2
INB2
INC2
IND2
INE2
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
MICON
INTERFACE
VOLOUT1
BBA1
BBB1
BUFIN1
BUFOUT1
PORTA
DVDD
CLOCK
DATA
LATCH
DGND
BUFOUT2
BUFIN2
BBB2
BBA2
VOLOUT2
1
2
3
4
5
6
7
8
INF1
MICIN
DELAYIN
DELAYOUT
KEYIN1
DOUT1
RECA1
RECB1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
F1F1
F1O1
F1IN1
F2F1
F2O1
F2IN1
F3F1
F3O1
F3IN1
F4F1
F4O1
F4IN1
F5F1
F6F1
FOUT1
VOLIN1
64
63
62
61
60
59
58
57
INF2
LROUT
LPFIN
LPFO
KEYIN2
DOUT2
RECA2
RECB2
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
F1F2
F1O2
F1IN2
F2F2
F2O2
F2IN2
F3F2
F3O2
F3IN2
F4F2
F4O2
F4IN2
F5F2
F6F2
FOUT2
VOLIN2
5 ELEMENT
GRAPHIC EQUALIZER
SW5-2
SW15-2
SW15-1
SW13-2
SW6-2
A
BC
F
E
D
C
B
A
12k
SW14-2
C
BA
20K
20K
20K
20K
SW7-2
SW11-2
12k
10K
20K
20K
SW2-1
SW1-1
SW1-2
SW2-2
SW3-2
SW4-2
SW8
SW5-1
SW6-1
A
BC
10K
20K
20K
5 ELEMENT
GRAPHIC EQUALIZER
SW13-1
12k
SW7-1
12k
SW14-1
C
BA
A
B
SW10-2
SW10-1
SW11-1
SW3-1
SW4-1
A
B
SW12-2
B
A
SW9
A
B
B
A
A
B
SW12-1
B
A
A
B
C
SW15-2
B
A
14
1
2 3
4
5
6
7
13 12 11
10
9
8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
• RELAY Board
IC651 SN74HC74ANS
Ver 1.2
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