Sony DHC-MD313 / HCD-MD313 (serv.man2) Service Manual ▷ View online
– MAIN Section –
–B
VF
–
–
+
+
R-CH
L
A
R
R
J402
TAPE
OUTPUT
R-CH
48
47
46
45
35
37
36
41
38
20
5
MNT1
MNT2
MNT3
SWDT
SCLK
SRDT
SENS
XLAT
DQSY
SQSY
XBUSY
SLOCK
23
42
XINT
SCTX
MNT1
MNT2
MNT3
SWDT
SCLK
SRDT
SENS
XLAT
DQSY
SQSY
XINT
SCTX
MNT0
MNT0
57
58
54
55
60
61
59
CHUCK-IN
PROTECT
REFLECT
REC.P
PB.P
LIMIT-IN
CHUCK-IN
PROTECT
REFLECT
REC-R
PB-R
LIMIT
PACK-OUT
PACK-OUT
44
49
50
WRPWR
LDON
MOD
WRPWR
LDON
MOD
40
80
79
DIG-RST
SCL
SDA
XRST
SCL
SDA
51 LDIN
LOAD-IN
52 LDOUT
LOAD-OUT
53 LD-LOW
DRIVE
4
2
9
10
DRIVE
4
LOADING SW
Q350
13
XOUT
15
XIN
X302
7 MHz
PWR-DWN
12
SYSTEM-
RST
MD SYSTEM
CONTROL
IC316
34
MAS-BUSY
33
CLK
32
RXD
25
AD-EN
24
DA-EN
7
EMP
26
MEC-BUSY
31
TXD
D
MD
SECTION
(Page 30)
1
2
3
4
13
12
11
10
LEVEL CONVERT
IC840
12
11
10
8
13
9
(OPEN)
OPTICAL SELECTOR
IC842
PDAD
PDDA
DEMO
24
23
16
MCLK
15
FS256
11
12
13
14
DIN
LRCK
BCK
DADT
ADDT
LRCK
SCLK
SDTI
SDTO
C
CD SECTION
(Page 28)
CLOCK
DIVIDER
8X
INTERPOLATOR
∆∑
MOD
LPF
26
AOUTL
8X
INTERPOLATOR
∆∑
MOD
LPF
27
AOUTR
R-CH
DECIMATION
FILTER
∆∑
MOD
5
AINL
DECIMATION
FILTER
∆∑
MOD
3
R-CH
SERIAL I/O
INTERFACE
A/D, D/A CONVERTER
IC201
STEREO
82
TUNED
83
DO
84
DI
85
CLK
86
CE
87
MUTE
88
RDS
R-CH
TUNER
UNIT
AM
FM 75
Ω
FM 300
Ω
L
B
R
R
J401
TAPE
INPUT
R-CH
GAIN
CONTROL
Q400
GAIN
CONTROL
DRIVER
Q872
R-CH
36
37
38
39
35
30
29
25
7
6
5
4
8
R-CH
SOUND PROCESSOR
IC701
A
CD SECTION
(Page 28)
REC MUTE
DRIVER
Q871
REC MUTE
Q410
R-CH
76
DBFB
MUTE
82 83
STEREO
TUNED
84 85
DATA-IN
DATA-OUT
86 87
CLOCK
CE
88 34
ST-MUTE
POWER-ON
82
83
84
85
86
87
88
+
–
–
1
2
+
–
–
18
17
13
POWER AMP
IC1201
+
–
–
18
DBFB
SW
Q701
5
6
7
AMP
IC702
MUTE
SW
Q703
R-CH
MUTE
Q702
Q702
POWER SW
Q1202
6
16
OVER LOAD DET
Q1201
OVER LOAD DET
Q1251
HEAT SENSOR SW
Q1231, 1232
OVER LOAD DETECT SW
Q434
THP1230
R-CH
POWER SW
Q431
(AEP, UK, G, AED)
IC1501
BUFFER
RDS DECODER
IC1500
4 MUX
13
14
X1501
4.332 MHz
4.332 MHz
74
XI
XO
RDATA RCLK
77
ATT/6DB
75
REC OUT.MUTE
63
D.IN.SELECT
37
RXD
41
MECHA BUSY
38
TXD
31
MASTER BUSY
39
MD-CLK
100
AC-CUT
45
RESET
35
MD-OEM/REST
44
CS
42
DATA
43
CLOCK
61
CD-POWER
21
RDS/DATA
20
RDS/CLK
2
16
22 46
SCOR (BD)
SUBQ
48 49
SQCLK
CLOCK
50 51
DATA
XLT
52 53 59
SENCE
FOCUS-SW
60 55
BD-REST
IN-SW
56 57
OUT-SW
LOAD-OUT
58
DF.LAT
LOAD-IN
CD SECTION
(Page 28)
B
DC DETECT
SW
Q433
RELAY
DRIVE
Q435, 436
RELAY
SW
Q432
R-CH
R-CH
L
R
TM440
SPEAKER
R-CH
FAN DRIVE
Q591, 592
FAN901
+
R-CH
R-CH
+B
J1400
PHONES
RY430
ANTENNA
18
ECN/A
19
ECN/B
ROTARY
ENCODER
S901
VOLUME
90
SIRCS
IC902
25 – 27
S902 – 916
SIRCUS
KEY-0
ı
KEY-2
66 – 70 • 72 • 73
LED
LED DRIVE
Q904 – 910
D902 – 908
MASTER CONTROL
IC601
AU BUS
SW
Q420
16
AU-BUS IN
17
AU-BUS OUT
CN402
AU BUS
10
11
X601
5 MHz
X2
X1
13
14
X602
32 kHz
XT2
XT1
RESET
SW
Q602
15
RESET
RESET
IC602
3
1
+5V
DISPLAY DRIVER
IC901
1
ı
10
•
62
ı
64
DIG11
ı
DIG2
•
DIG14
ı
DIG12
24
ı
31
•
33
ı
59
SEG35
ı
SEG27
•
SEG27
ı
SEG0
15
SCK
14
CS
13
RST
16
SDATA
61
DIG15
11
DIG1
FLUORESCENT
INDICATOR
TUBE
FL901
SW
Q901
SW
Q902
VF
M+5V
5
+3.3V REG.
SYS+3.3V
4
+5V REG.
ANA+5V
6
BACK UP
B.UP
+3.3V
HCD-MD313 (3/3)
MAIN Section
MAIN Section
• R CH
: Same as L CH
• SIGNAL PATH
: FM
: PB
: REC
: CD
: digital out (CD)
: TAPE
• Abbreviation
G : German
SP : Singapore
MY : Malaysia
HK : Hong Kong
AED : North European
7
8
9
PDOWN
MD REG.
IC570
19
POWER
ON/OFF SW
Q571, 572
2
MD
RESET
IC603
3
5
DRIVER
Q601
+3.3V REG.
IC192
3
1
+3.3V
(BD)
+10V
M+7V
+7.5V REG.
Q510
+7.5V
–7.5V REG.
Q520, 521
–7.5V
+10V REG.
IC510
3
1
+7V REG.
IC511
3
1
T1600
POWER
TRANSFORMAER
RECT
D1300
RECT
D501
D501
ı
D504
+B
(AC IN)
–29V REG.
Q530
–VG
RECT
D551
D551
ı
D554
+5V REG.
IC560
+5V
3
1
1
3
+5V REG.
CD+5V
CP POWER
SW
Q561, 562
VF
VOLTAGE
SELECTOR
S1600
(MY, SP, HK)
LOADING MOTOR
DRIVE
IC153
10
22
46
48
49
50
51
52
53
59
60
55
56
57
58
HCD-MD313
– 31 –
– 32 –
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