Sony DHC-MD313 / HCD-MD313 (serv.man2) Service Manual ▷ View online
– 25 –
A
B
VC
specification: A=B
Traverse waveform
level: 300 ± 100 mVp-p
7. After check, remove the lead wire connected in step 1.
Focus/Tracking Gain Adjustment (RV102, RV103)
This gain has a margin, so even if it is slightly off. There is no
problem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical center position
when you moved and do not know original position.
problem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical center position
when you moved and do not know original position.
Adjustment Location :
[BD (CD) BOARD] – Side B –
specified value:
2 (A+B)
A-B
×
100 = less than ± 7%
• A+B = 300 ± 100 mVp-p
•
RF
TEI
FEO
FOK
IC102
PCK
FEI
RV101
RV103
TEO
VC
RV102
IC101
GND
IC104
IC840
IC601
TP100
(ADJ)
(ADJ)
[MAIN BOARD] (1/3) – Conductor Side –
– 26 –
SECTION 6
DIAGRAMS
• Circuit Boards Location
TRANSFORMER board
ST TERMINAL board
BD (CD) board
LOADING board
BD (MD) board
SW board
JACK board
MAIN board
PANEL board
MD-LED board
AUDIO board
POWER AMP board
ENCAPSULATED COMPONENT
(Canadian, Malaysia, Singapore, HongKong)
TUNER (FM/MW/LW)
(AEP, UK, German, North European)
(Canadian, Malaysia, Singapore, HongKong)
TUNER (FM/MW/LW)
(AEP, UK, German, North European)
– 27 –
– 28 –
HCD-MD313
6-1.
BLOCK DIAGRAM
– CD Section –
– CD Section –
25
SLED MOTOR
DRIVE
26
•
27
16
M
SLO
M102
SLED MOTOR
4
SPINDLE MOTOR
DRIVE
1
•
2
M
M101
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
14
SL+
SLED
SERVO
IC101 (2/2)
19
TRACKING
COIL DRIVE
18
17
T+
T–
9
FOCUS
COIL DRIVE
12
11
F–
F+
2-AXIS
DEVICE
TRACKING
COIL
FOCUS
COIL
TRACKING/FOCUS
COIL DRIVE
IC102 (1/2)
7
XRST
22
XRST
TRACKING/FOCUS SERVO,
RF AMP
IC101 (1/2)
PD1
PD2
35
36
4
2
1
5
10
6
F
E
38
39
E
A
B
C
D
F
B+
K
A
D
C
B
DETECTOR
OPTICAL PICK-UP
(KSS-213B)
FEI
2
FEO
1
RV102
FOCUS
GAIN
TEO
42
TEI
44
RV103
TRACKING
GAIN
LD
33
PHD
34
LD DRIVE
Q101, 102
PD
LD
LASER
DIODE
DIODE
31
RFO
30
RFI
RF
14
23
C.OUT
CNIN
55
24
SENS
SEIN
54
FE BIAS 37
RV101
FOCUS
BIAS
+5V
6
FE-O
7
FE-M
12
TA-M
13
TAO
21
DATA
20
XLT
19
CLK
4
FGD
25
FOK
FOCUS SW
Q103
DATAO
56
XLTO
57
CLKO
59
MDP
3
FOK
1
XLON
64
05
PCMD
LRCK
DATA
2
LRCK
1
21
20
BCLK
BCLK
3
22
LOUT 16
ROUT 13
•
SIGNAL PATH
:digital out (CD)
:CD
A
HCD-MD313 (1/3)
CD Section
CD Section
MAIN
SECTION
SECTION
(Page 31)
DIGITAL FILTER
D/A CONVERTER
IC104
DATA
51
XLAT
52
CLOK
53
SCOR
43
SQSO
46
SQCK
47
SENS
49
XRST
50
D OUT
39
DATA
26
MLAT
28
CLOK
27
C
MAIN
SECTION
SECTION
(Page 31)
D OUT
CLK
49
DATA
50
XRST
60
SCOR
22
SENS
53
SQCK
48
SQSO
46
DF LATCH
52
XLAT
51
FOCUS SW
59
5
DRIVE
6
M
M903 (CD)
LOADING
MOTOR
MOTOR
DRIVER
DRIVER
IC801
2
10
DRIVE
LOAD-OUT
57
LOAD-IN
58
OUT-SW
56
IN-SW
55
S292
(LOAD IN)
S291
(LOAD OUT)
B
MAIN
SECTION
SECTION
(Page 32)
DIGITAL SIGNAL PROCESSOR
IC103
XTAI
34
CKO
4
XTI
•
XTO
5 • 6
X101
16.9344 MHz
16.9344 MHz
SPOD
63
S101
(LIMIT)
– MD Section –
HCD-MD313
OVER WRITE
HEAD DRIVE
Q181, 182
HR901
OVER WRITE
HEAD
DETECTOR
ABCD
ABCD
34
65
FE
FE
26
74
TE
TE
28
73
SE
SE
4
5
8
9
A
B
C
D
35
ABCD
AMP
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
64
32
78
ADFG
ADFG
6
7
E
F
IV AMP
IV AMP
1
2
I
J
48 47
MORFO
MORFI
RFO
AGCI
J
I
F
E
A
B
C
D
A
B
C
D
E
F
I
J
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
• SIGNAL PATH
: PB
: REC
: digital out (CD)
PD
PD
TEMP
AMP
33
66
AUX
AUX1
15
14
VCC
TEMPR
TEMPI
D101
36
63
BOTM
BOTM
37
62
PEAK
PEAK
PEAK &
BOTTOM
RF AGC & EQ
38
RF
55
RFI
BPF
P-P
30
ADIN
29
ADFM
31
VC
AT
AMP
BPF
16
82
SWDT
DTRF
17
81
SCLK
CKRF
18
80
XLAT
XLRF
SERIAL
↓
PARALLEL
DECODER
VC
27
CSLED
VC
22
EQADJ
23
3TADJ
25
WBLADJ
VICONV
FOCNT
FOCNT
20
79
E-F
BALANCE
CVB
3
VC
VC
VC
11
APC
APCREF
12
LASER ON
SW
Q101
10
PD
LD
ILCC
+
–
APC
Q162, 163
HF MODULE
SW
IC103, Q102-104
HF
MODULE
MOD
05
LASER
DIODE
SLED/SPINDLE MOTOR DRIVE
FOCUS/TRACKING COIL DRIVE
IC152
TRK–
TRK+
12
TRACKING
COIL
TRDR
TFDR
14
DRIVER
FSC+
21
FSC–
23
FOCUS
COIL
FFDR
19
FRDR
18
DRIVER
SLED+
27
SLED–
25
SFDR
29
SRDR
30
M
M902
SLED MOTOR
DRIVER
SPDL+
6
SPDL–
8
SPRD
4
SPFD
3
M
M901
SPINDLE MOTOR
16
PSB
XRST
CLTV
FILO
FILI
61
60
59
58
PLL
FILTER
PCO
67
VC
ANALOG
MUX
VC
93
SPRD
ADIP
DEMODULATOR/
DECODER
94
SPFD
95
FG IN
SPINDLE
SERVO
91
SRDR
92
SFDR
85
TRDR
86
TFDR
89
FRDR
88
FFDR
83
APCREF
PWM
GENERATOR
A/D
CONVERTER
10
XRST
13
RECP
APC
SERVO
DSP
47 • 46 • 48 • 49
D0 –––––––– D3
32–29 • 34–38 • 43
A0 –––––––––– A9
6
ı
9
•
11
ı
15
•
5
1
•
2
•
18
•
19
DQ1
|
|
|
|
DQ4
A0
|
|
||
|
|
|
A9
41
16
XOE
XOE
42
17
XCAS
XCAS
44
4
XRAS
XRAS
45
3
XWE
XWE
DRAM
IC124
CPU
I/F
MONITOR
CONTROL
CONTROL
MNT0
MNT1
MNT2
1
2
3
4
MNT3
SWDT
SCLK
SRDT
5
6
8
9
SENS
XLAT
7
DQSY
12
11
SQSY
SUBCODE
PROCESSOR
MNT0
MNT1
MNT2
MNT3
SWDT
SCLK
SRDT
SENS
XLAT
DQSY
SQSY
AUTO
SEQUENCER
CLOCK
GENERATOR
OSCI
LRCK
XBCK
16
25
26
27
FS256
OSCO
17
LRCK
BCK
FS256
X101
22 MHz
22 MHz
22
DOUT
SAMPLING
RATE
CONVERTER
20
3
DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR
EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M-BIT DRAM
IC121
46 40
RF AMP
15
TX
XINIT
24
DADT
DADT
23
ADDT
ADDT
DIN
DIN
XINT
SCTX
DIGITAL
AUDIO
I/F
BUFFER
IC401
14
D
MAIN
SECTION
(Page 31)
CHUCK IN
PROTECT
REFLECT
LIMIT
REC P
PB P
PACK OUT
LOAD-OUT
LOAD-IN
XRST
M
M903 (MD)
LOADING MOTOR
SCL
SDA
MOD
WRPWR
LDON
DETECT SW
S681 - 683,
S685 - 688
5
6
SCL
SDA
EEP ROM
IC171
HCD-MD313 (2/3)
MD Section
MD Section
IC181 (2/4)
4
5
5
6
IC181 (1/4)
1
2
2
3
IC181 (3/4)
9
10
8
IC181 (4/4)
12
13
13
11
21
ATRAC
ENCODER/
DECODER
EFM,
ACIRC,
ENCODER/
DECODER
SHOCK
RESISTANT
MEMORY
CONTROLLER
7
1
100
EFMO
RF AMP
IC101
DRIVER
10
15
OVER WRITE HEAD DRIVE
– 29 –
– 30 –
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