Sony CMT-EP313 / HCD-EP313 Service Manual ▷ View online
17
17
HCD-EP313
6-1. Block Diagram
: FM
: CD
• Signal Path
• RCH is omitted due to same as L-CH.
: MD
: PB (TAPE)
: REC (TAPE)
R-CH
+VM
ERASE
HEAD
REC/PB
HEAD
DECK BLOCK
REC/PB
SWITCH
DATA
79
PLL CLK
78
PLL CE
27
µ
CON
IC301
IFC
75
L
R
MD
J201
MUTE CONT
Q403
J202
PHONES
R CH
L
R
FUCTION
KEY
REMOTE
CONTROL
RECEIVER
IC303
S302,304,306
S308,310-312
S308,310-312
LED302-307
(BACK RIGHT)
TUNER UNIT
L-CH
R-CH
R-CH
D OUT
D IN
CLK
CE
TUNED
R-CH
TUNED
76
Q504-511
L451
BIAS
BIAS
Q450,451
MECHA BLOCK
MOTOR
DRIVE
Q501,502
BIAS
53
XT1
6
XT2
7
X301
32.768kHz
X IN
19
X OUT
10
X302
8.64MHz
MUTE
Q401
22
DSG
Q601
23
RMC
FUCTION
KEY
S301,303,305,307
S309,313,314
16
KEY2
55
BK LED
3
1
RESET
SWITCH
Q302
5
RESET
RESET
IC302
2
1
59
POWER DOWN
D901-904
RELAY
DRIVE
AC
IN
PT902
SUB TRANS
POWER
CONTROL
Q404,405
Q200
RY901
17
KEY1
REG
Q701
+10V
+VM
PB/REC EQ AMP
IC601
AUX L
19
18
OUT L
TU L
23
TAPE L
2
CD L
21
16
OUT R
R-CH
13
CONT
28
REC OUT
TU MUTE
49
STEREO
74
STEREO
MUTE
R-CH
DECK
MOTOR
DECK1
50
MOTOR
52
CD DATA
80
OPEN
CLOSE
CD OPEN/CLOSE
POWER AMP
IC204
R CH
J203
SPEAKER
SEG0
SEG20
61
63
COM0
COM2
LIQUID CRYSTAL
DISPLAY
LCD301
VOL
ENCODER
S315
13
VOL ENC
+5V
REG
Q303,304
µ
CON +B
VM
D301
LINE
FILTER
L901
V ECO
PT901
POWER
TRANS
+7V
REG
Q402
CD +7V
+VM
REG
IC200
+VM
AC
DET
Q206
HOLD
Q205
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
IC103
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
MOTOR/COIL DRIVE
IC102
CH1RO
13
CH1FO
14
CH2RO
11
CH2FO
12
CH3RO
18
CH3FO
17
M
M101
SLED
SLED
MOTOR
CH4RO
16
CH4FO
15
M
M102
SPINDLE
MOTOR
F+
F-
T-
T+
3
CH1RI
2
CH1FI
6
CH2RI
5
CH2FI
23
CH3RI
24
CH3FI
25
CH4INS
20
MUTE
MDP
26
SFDR
28
SRDR
29
TRDR
31
TFDR
30
FRDR
33
FFDR
32
DIGITAL SERVO
IC101
RFDC
43
17
FEI
28
RFDCO
16
FE
18
TE
29
RFDCI
12
SW
FE
39
TE
41
SE
40
72
L OUT
75
R OUT
5
DATA
R-CH
7
CLOK
6
XLAT
2
SQCK
9
SCLK
20
SCOR
1
SQSO
27
SSTP
66
XTAI
67
XTAO
3
XRST
S101
LIMIT
IN SW
X101
16.9344MHz
8
SENS
RFAC
51
15
RFAC
+3.3V
REG
Q102,D101
+3.3V
+5.5V
M
REC
PLAY
DECK
POWER
BIAS
OSC
Q453
Q454
Q454
P CONT
Q702
TU ON
71
DECK3
58
DECK2
51
CD CLK
1
LATCH
70
C SQCK
72
SCOR
20
SQSO
2
SENS
73
XRST
69
PWM1
3
PWM2
65
PWM3
68
LDON
4
T SW
18
12
HOLD
71
CD ON
24
38
41
46
.
LED
DRIVE
Q301
56
STBY LED
LED
DRIVE
Q306
LED301
ECO LED
D306
D305
14
MUTE
48
AMP STBY
8
L OUT +
STBY
5
L IN
4
9
L OUT -
MUTE
6
D211
3
1
IC800
D201-204
IC601 VSS
D213
D212
D206
D205
POWER AMP
VCC
+5.5V
REG
Q406
CD +5.5V
21
POWER
V ECO
18
18
HCD-EP313
6-2. Printed Wiring Board – CD Section –
Ref. No.
Location
D101
F-5
IC101
E-4
IC102
C-5
IC103
D-2
Q101
C-2
Q102
G-5
• Semiconductor
Location
• See page 16 for Circuit Boards Location.
IC102
IC101
IC103
TP (VC)
TP (RFAC)
TP (DVC)
CN301
(Page 23)
1-680-849-
B
M101
TP(RF)
M102
KSS-213E/C2N
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
CONTROL
19
19
HCD-EP313
6-3. Schematic Diagram – CD Section –
• See page 16 for Waveforms.
• See page 28 for IC Block Diagrams.
K S S - 2 1 3 E / C 2 N
CN301
(Page 25)
0uH
0uH
B
CONTROL
TP
(RF)
TP(VC)
M 1 0 2
M 1 0 1
C199
470p
470p
C150
0.1
20
20
HCD-EP313
6-4. Printed Wiring Board – MAIN Section (COMPONENT SIDE) –
• See page 16 for Circuit Boards Location.
IC800
IC204
IC200
TO
DECK BLOCK
(HEAD)
J202
PHONES
TO
DECK BLOCK
(MOTOR)
J203
SPEAKER
IMPEDANCE
USE 6-16
Ω
J201
MD
L
R
(TO TUNER UNIT)
ANTENNA
TO
(CD DOOR)
1
2
4
5
9
11
10
8
7
6
3
1-688-567
MAIN BOARD
(COMPONENT SIDE)
L
R
C
TO
TRANSFORMER
BOARD
CN901
(Page 26)
A
TO CONTROL
BOARD
CN302
(Page 23)
1
2
A
E
D
C
B
F
G
H
3
4
5
6
8
7
9
10
Ref. No.
Location
D200
H-4
D201
H-6
D202
G-7
D203
H-6
D204
G-7
D205
G-6
D206
G-7
D207
F-6
D209
C-2
D210
C-2
D211
E-6
D212
H-6
D213
H-6
D403
F-6
D404
F-6
D405
F-5
D501
C-7
D602
C-5
D603
C-5
D801
F-4
D802
D-9
D803
F-3
D804
D-8
IC200
G-6
IC204
H-4
IC800
F-4
Q205
C-4
Q206
B-4
Q402
F-6
Q404
F-6
Q405
F-6
Q406
F-5
Q451
D-6
Q453
D-7
Q454
D-7
Q502
F-6
• Semiconductor
Location
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