Sony CMT-EP313 / HCD-EP313 Service Manual ▷ View online
29
HCD-EP313
REC-O_L
REC-O_R
TUNER-R
TUNER-L
CD-L
A
UX-L
OUT
-L
OUT
-R
T
ON_L-L
T
ON_L-R
A
UX-R
CD-R
VSS
T
ON_H-R
T
ON_H-L
T
APE-L
T
APE-R
IC601
BD3881FV
– MAIN Board –
IC204
LA4636
1
DC
2
IN1
3
PRE GND
4
IN2
5
STBY
MUTE
6
VCC
7
8
–OUT2
+OUT2
PWR GND
+OUT1
–OUT1
9
11
10
12
+
–
+
–
INPUT
AMP
INPUT
AMP
OUTPUT
AMP
OUTPUT
AMP
30
HCD-EP313
6-12. IC Pin Function Description
• IC301
LC877140A (SYSTEM CONTROLLER)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 to 38
39
40
41 to 46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
I/O
O
I
O
O
I
I
O
—
I
O
—
I
I
O
I
I
I
I
O
I
O
O
I
O
—
—
O
—
O
O
I
I
O
O
O
O
O
O
I
I
—
O
O
O
—
O
—
—
O
O
Pin Name
O-CLOCK
I-SQSO
O-PWM1
O-LDON
I-RESET
32KHz IN
32KHz OUT
VSS1
8.64MHz IN
8.64MHz OUT
VDD1 +5V
I-HOLD
I-VOL
O-MUTE
I-SUFFIX
I-KEY2
I-KEY1
I-CDTSW
O-CLKSHIFT
I-SCOR
O-POWER
O-DSG
I-RMC
SEGMENT 0 to 14
VDD2 +5V
GND
SEGMENT 15 to 20
NC
AMP STBY
O-TUMUTE
I-DECK1
I-DECK2
O-MOTOR
O-BIAS
TU-ON
O-BKLED
O-STBYLED
O-KSCAN
I-DECK3
I-POWERDOWN
NC
COM0/PL0
COM1/PL1
COM2/PL2
NC
PWM2
VSS3
VDD3 +5V
O-PWM3
O-XRST
Description
Clock output to the CD unit
SUB-Q data input from the CD unit
PWM1 signal output to the CD unit
LD ON signal output to the CD unit
Reset signal input from the reset IC (IC302)
Resonator terminal (32.768kHz)
Resonator terminal (32.768kHz)
Ground terminal
Resonator terminal (8.64MHz)
Resonator terminal (8.64MHz)
Power supply terminal
Voltage detection signal input
Volume signal input from the encoder
Muting signal output
Model setting input terminal
Key input 2
Key input 1
CD door open/close switch signal input
Clock shift control signal output
SCOR signal input from the CD unit
Power relay control signal output
DSG signal output
Remote sensor signal input from the IC303
Segment signal output to the liquid crystal display module
Power supply terminal
Ground terminal
Segment signal output to the liquid crystal display module
Not used (open)
Standby control signal output to the power amplifier
Muting signal output to the tuner
Tape switch status signal input from the tape deck
Tape switch status signal input from the tape deck
Motor control signal output to the tape deck
Bias control signal output to the bias oscillation circuit
Tuner power supply control signal output
Back light control signal output
STANDBY LED control signal output
Not used (open)
Tape switch status signal input from the tape deck
Power down detection signal input
Not used (open)
Common signal output to the liquid crystal display module
Common signal output to the liquid crystal display module
Common signal output to the liquid crystal display module
Not used (open)
PWM2 signal output to the CD unit
Ground terminal
Power supply terminal
PWM3 signal output to the CD unit
Reset signal output to the CD unit
31
HCD-EP313
Pin No.
70
71
72
73
74
75
76
77
78
79
80
I/O
O
O
O
I
I
I
I
O
O
O
O
Pin Name
O-XLAT
O-CDON
O-SQCK
I-SENS
I-STEREO
I-IFC
I-TUNE
O-PLLCE
O-PLLCLK
O-MADATA
O-DATA
Description
Latch signal output to the CD unit
CD power supply control signal output
SUBQ clock output to the CD unit
SENS signal input from the CD unit
Stereo/mono detection signal input from the tuner
Data input from the tuner
Tuner tuned status signal input
Tuner chip enable signal output to the tuner
Clock signal output to the tuner
Data output to the tuner
Data output to the CD unit
SECTION 7
EXPLODED VIEWS
32
HCD-EP313
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Abbreviation
CND
CND
: Canadian model
SP
: Singapore model
TW
: Taiwan model
#3
#2
#1
#1
#2
#2
#5
#2
Front panel section
CD cabinet section
#1
#1
#4
#2
#2
#2
#5
8
not
supplied
T901
not
supplied
2
3
5
1
10
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
4
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1. Overall Section
1
1-827-714-11 WIRE (FLAT TYPE)(21 CORE)
2
A-4732-945-A MAIN BOARD, COMPLETE (AEP,UK)
2
A-4732-950-A MAIN BOARD, COMPLETE (US,CND,SP,TW)
3
1-693-620-11 TUNER UNIT (SP, TW)
3
1-693-622-11 TUNER UNIT (AEP, UK)
3
1-693-624-11 TUNER UNIT (US, CND)
4
1-775-430-11 WIRE (FLAT TYPE)(11 CORE)
5
4-245-240-01 CABINET,REAR
0 8
1-555-795-00 CORD, POWER (AEP,UK,SP)
0 8
1-783-531-32 CORD, POWER (TW)
0 8
1-783-532-11 CORD, POWER (US,CND)
10
1-688-570-11 TRANSFORMER BOARD
0 T901
1-439-655-11 TRANSFORMER, POWER (TW)
0 T901
1-439-656-11 TRANSFORMER, POWER (US,CND)
0 T901
1-439-657-11 TRANSFORMER, POWER (AEP,UK,SP)
#1
7-685-248-14 SCREW +KTP 3X12 TYPE2 NON-SLIT
#2
7-685-646-14 SCREW +BVTP
3X8 TYPE2 N-S
#3
7-685-661-79 SCREW +BVTP
4X12 TYPE2 SLIT
#4
7-685-647-14 SCREW +BVTP
3X10 TYPE2 N-S
#5
7-685-546-14 SCREW +BTP
3X8 TYPE2 N-S
Ver. 1.4
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