Sony CMT-E301 / HCD-E301 Service Manual ▷ View online
HCD-E301
21
21
4.4 Vp-p
167 ns
0.8 Vp-p
12.4
µ
s
1.3 Vp-p
12.4
µ
s
47.2 Vp-p
11.8
µ
s
3.1 Vp-p
139 ns
POWER BOARD
+
+
A
K
A
K
K
A
K
A
A
K
A
K
A
A
K
K
A
A
K
K
MAIN
BOARD
K
A
K
A
A
K
A
K
+
+
+
+
B C E
B C E
E C B
B C E
AC IN
TR402
POWER
TRANSFORMER
TR401
POWER
TRANSFORMER
E
A
B
C
D
E
1
2
3
4
5
6-10. PRINTED WIRING BOARD – POWER Board –
•
See page 13 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D401
D-1
D402
C-1
D403
D-1
D404
C-1
D405
B-2
D406
C-2
D407
B-2
D408
B-2
D409
C-3
D411
C-3
D412
D-3
D413
C-3
D414
D-3
Q401
B-3
Q402
B-3
Q403
B-3
Q404
B-3
ZD401
B-3
•
Waveforms
– MAIN Board –
1
IC102
ws
(XOUT)
– CASSETTE Board –
1
Q705 (Collector)
(RECORD (ISS 2) mode)
(RECORD (ISS 2) mode)
2
Q706 (Base) (RECORD mode)
3
Q706 (Collector, Emitter)
(RECORD mode)
(RECORD mode)
– DISPLAY Board –
1
IC601
tl
(X2)
(Page 16)
HCD-E301
22
22
RIPPLE FILTER
ALC
14
13
12
1
2
3
11
10
9
AMP. CH2
AMP. CH1
8
4
5
6
7
VCC
RF
ALC IN2
OUT2
PC2
NF2
IN2
GND
ALC CONST
ALC IN1
OUT1
PC1
NF1
IN1
+
–
3
6
9
12
15
2
5
8
11
14
1
4
7
10
13
28
25
22
19
16
29
26
23
20
17
30
27
24
21
18
+
–
+
–
–
+
–
–
LATCH
DECODER
CONTROL
SHIFT
REGISTER
–
+
LVROUT
LVRIN
LTOUT
LTCOM
LT4
LT3
LT2
LT1
L4
L3
L2
L1
VDD
CL
DI
RVROUT
RVRIN
RTOUT
RTCOM
RT4
RT3
RT2
RT1
R4
R3
R2
R1
VREF
VSS
CE
24
23
FM
RF
1
AM
RF
GND2
2
VCC2
REG
3
AM
MIX
AM
OSC
OSC
BUFFER
4
22
21
VCC1
20
FM
OSC
PHASE
COMP
FM
MIX
DECODER
5
6
19
GND1
7
MUTE
8
18
17
16
9
15
PILOT
DET
14
FM
DET
13
10
FM
S-METER
11
12
ST
ST SW
FF
VCO
FF
FF
TRIG
AM
IF
AM
DET
AGC
FM
IF
SD
IF
BUFFER
FMRF IN
RF GND
FMRF OUT
VCC2
FM OSC
DET OUT
MUTE
R
L
AM/FM
MO/ST
FM DET
AMRF IN
REG
AM OSC
VCC1
FM MIX
GND
FM BUFFER
AM OSC BUFFER
AM MIX
QUAD
AMIF
SD
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
3 4 5 6
7 8 9 10
18
17
16
15
13
12
11
19
20
21
22
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
14
NC
XIN
DO
CL
DI
CE
2
NC
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
IC102
LC72131
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC101
LA1823
IC203
LC75392
– CASSETTE Board –
IC701
AN7312
23
HCD-E301
6-11.
IC PIN FUNCTION DESCRIPTION
•
DISPLAY BOARD IC601
µ
PD753016AGC-F31-3B9 (SYSTEM CONTROLLER, LIQUID CRYSTAL DISPLAY DRIVER)
Pin No.
Pin Name
I/O
Description
1 to 20
S12 to S31
O
Segment drive signal output to the liquid crystal display (D621)
21 to 24
COM0 to COM3
O
Common drive signal output to the liquid crystal display (D621)
25
BIAS
O
Bias output for the liquid crystal display drive
26 to 28
VLC0 to VLC2
I
Input terminal for doubler circuit capacitor connection to develop liquid crystal display drive
voltage
voltage
29
TUNER
O
Power on/off control signal output for the tuner section “L”: power on
30
TAPE
O
Audio line muting on/off control signal output “L”: muting on
31
CD
O
Power on/off control signal output for the CD section “L”: power on
32
TIMER STATUS
O
LED drive signal output of the TIMER indicator (D619) “L”: LED on
33
VSS
—
Ground terminal
34
CD-RESET
O
Reset signal output to the CD section “L”: reset
35
SURROUND
O
Not used (pull up)
36
PLL CL
O
PLL serial data transfer clock signal output to the FM/AM PLL (IC102)
37
PLL DI
O
PLL serial data output to the FM/AM PLL (IC102)
38
TUNER SD
I
FM and AM signal meter voltage detection input from the LA1823 (IC101)
39
CLOCK
O
Serial data transfer clock signal output to the LC75392 (IC203)
40
DATA
O
Serial data output to the LC75392 (IC203)
41
STEREO
I
FM stereo detection signal input from the LA1823 (IC101) “L”: stereo
42
CD CLOCK
I
Serial data transfer clock signal input from the CD section
43
RDS CLOCK
I
Serial data transfer clock signal input from the RDS decoder Not used (open)
44
REMOTE
I
Remote control signal input from the remote control receiver (RM601)
45
SYNCRO
I
Recording on detection signal input
46
MUTE
O
Audio line muting on/off control signal output “H”: muting on
47
PLLCE
O
PLL chip enable signal output to the FM/AM PLL (IC102) “H” active
48
CE
O
Chip enable signal output to the LC75392 (IC203) “H” active
49
SHRST
O
Not used (open)
50
RDS DATA
I
Serial data input from the RDS decoder Not used (open)
51
PSW
O
System power on/off control signal out “H”: power on
52
BASS BOOST
O
Mega bass on/off selection signal output “H”: mega bass on
53
DPSW2/SLEND
I
CD lid open/close detection switch (SW600) input terminal “L”: CD lid is closed
54
VDD
—
Power supply terminal
55
XT1
I
Power failure detection input terminal “L”: power failure, “H”: power on
56
XT2
O
Not used (open)
57
IC
—
Internal connection terminal (connected to power supply)
58
X1
I
Main system clock input terminal (6 MHz)
59
X2
O
Main system clock output terminal (6 MHz)
60
PLLDO SELECT
I
PLL serial data input from the FM/AM PLL (IC102)
61
CD DATA
I/O
Two-way data bus with the CD section
62
NC
—
Not used (open)
63
12/24H SELECT
I
Not used (fixed at “H”)
64 to 67
KEY R0 to
KEY R4
I
Key return signal input from the key matrix “L” input when key pressing
68
CPU RESET
I
System reset signal input from the reset signal generator (IC603) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
69 to 80
S0 to S11
O
Segment drive signal output to the liquid crystal display (D621)
24
HCD-E301
12
3
5
1
2
11
10
9
8
7
6
#1
#1
#4
#2
#2
#2
#2
#3
#5
Front panel section
CD cabinet section
#3
#3
#1
TR401
7-1. CABINET SECTION
SECTION 7
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-451-162-00 WASHER
2
4-235-952-01 AC CORD HOLDER
3
4-236-194-01 EMBLEM BADGE
5
A-4726-786-A MAIN BOARD, COMPLETE
0 6
1-555-750-00 CORD, POWER, EURO PLUG
7
4-235-974-01 CAB, ANTENNA COVER
8
1-823-170-11 CORD (WITH CONNECTOR) (FM ANT)
9
4-235-972-01 REAR CABINET
10
4-235-995-01 RUBBER FOOT
11
4-235-944-01 POWER PWB MOUNTING BKT
12
A-4726-715-A POWER BOARD, COMPLETE
0 TR401
1-437-463-11 TRANSFORMER, POWER
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Click on the first or last page to see other CMT-E301 / HCD-E301 service manuals if exist.