DOWNLOAD Sony CMT-DF1 / HCD-DF1 Service Manual ↓ Size: 2.64 MB | Pages: 44 in PDF or view online for FREE

Model
CMT-DF1 HCD-DF1
Pages
44
Size
2.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-df1-hcd-df1.pdf
Date

Sony CMT-DF1 / HCD-DF1 Service Manual ▷ View online

29
HCD-DF1
U3   MP1580HS-LF-Z
SYNC
8
EN
7
COMP
6
FB
5
CURRENT
SENSE
AMPLIFIER
BS 1
IN 2
SW 3
GND 4
Σ
Q
Q
S
R
CURRENT
COMPARATOR
OSCILLATOR
40/380kHz
LOCKOUT
COMPARATOR
ERROR
AMPLIFIER
SHUTDOWN
COMPARATOR
FREQUENCY 
FOLDBACK
COMPARATOR
INTERNAL
REGULATORS
1
2
5
6
7
8
9
10
11
TIMING
GENERATOR
LCD DRIVER
BIAS CIRCUIT
COMMON
COUNTER
3
4
SERIAL
INTERFACE
ADDRESS
COUNTER
COMMAND/DATA
REGISTER
COMMAND
DECODER
DISPLAY DATA RAM
(DD RAM)
LCD
SEGMENT
DRIVER
32BITS
48 – 37
17 – 24
OSC1
OSC2
V1
V2
V3
VSS
VDD
SCK
SD
C/D
CS
16
RESET
SEG31
ı
SEG20
SEG0
ı
SEG7
SEG19
ı
SEG8
14
13
15
COM3
COM2
COM1
12
COM0
36
ı
25
LCD COMMON
DRIVER 4BITS
– PANEL Board –
IC2   BU9728AKV-E2
30
HCD-DF1
IC Pin Function Description
MAIN BOARD  U1  3P70F4XZZ-S094 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
-
Ground terminal
2
XOUT
O
System clock output terminal (4.19 MHz)
3
XIN
I
System clock input terminal (4.19 MHz)
4
TEST
I
Test signal input terminal    Not used
5
REMOTE
I
SIRCS signal input from the remote control receiver
6
DVD_STB
/TU_DO
I
Strobe signal input from the DVD block
Serial data input from the tuner (FM/AM)
7
RESET
I
System reset signal input terminal    "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
8
NC
-
Not used
9
DVD_CLK
/TU_CLK
I/O
Strobe signal input from the DVD block
Serial data transfer clock signal output to the tuner (FM/AM)
10
DVD_IR/TU_DI
I/O
Interrupt request signal input from the DVD block
Serial data output to the tuner (FM/AM)
11
DVD_DATA
/TU_CE
I/O
Serial data input from the DVD block
Chip enable signal output to the tuner (FM/AM)
12
PROTECT
I
Protect signal input terminal
13 to 15
KEY_IN0 to
KEY_IN2
I
Front panel key input terminal (A/D input)
16
KEY_OUT
I
Wake up signal input terminal
17
OPTION_IN
O
System clock signal output to the liquid crystal display
18
BU9728_CLK
O
Serial data transfer clock signal output to the liquid crystal display
19
NC
-
Not used
20
BU9728_CE
O
Chip enable signal output to the liquid crystal display
21
BU9728_DATA
O
Serial data output to the liquid crystal display
22
BU9728_C/D_STB
O
Command strobe signal output to the liquid crystal display
23
MUTE
O
Muting on/off control signal output terminal    "L": muting on
24
TU_VCC_CTRL
O
Power on/off control signal output terminal    "L": power on
25
POWER_CTRL
O
Power on/off control signal output terminal for main power    "L": power on
26
24C01_CLK
/7314_CLK
I
Serial data transfer clock signal output to the electrical volume and EEPROM
27
24C01_DATA
/7314_DATA
I/O
Serial data output to the electrical volume
Two-way data bus with the EEPROM
28
DVD_VCC_CTRL
O
Power on/off control signal output terminal for DVD block    "H": power on
29
OP/CL
I
DVD lid open/close detection signal input terminal    "L": DVD lid is closed
30
STAND_BY
O
LED drive signal output terminal for STANDBY indicator    "H": LED on
31
OUT2
O
Fan motor drive signal output terminal    Not used
32
VDD
-
Power supply terminal (+3.3V)
31
HCD-DF1
1
#1
#1
#1
#1
#4
#1
PANEL board section,
TAPE deck section
cabinet rear section
DVD section
2
2
2
3
SECTION  8
EXPLODED  VIEWS
Ref. No.
Part No.
Description
Remark
8-1.
PANEL  SECTION
Ref. No.
Part No.
Description
Remark
1
3-196-179-01 PANEL LEFT
2
2-580-644-01 SCREW, +KTP2 3X8
3
3-196-180-01 PANEL RIGHT
Items marked “*” are not stocked since they
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.
Accessories are given in the last of the
electrical parts list.
Abbreviation
AUS : Australian model
HK : Hong Kong model
NOTE:
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color
Cabinet's Color
The components identified by mark 0  or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
#1
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
#4
7-685-233-19 SCREW +KTP 2.6X6 TYPE2 NON-SLIT
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TW : Taiwan model
32
HCD-DF1
8-2.
PANEL  BOARD  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-196-216-01 PLATE (OPERATION AL)
52
3-273-018-01 SHEET (OPERATION AL)
53
3-196-185-01 PANEL (FRONT)
54
3-196-196-01 MIC VOLUME KNOB
55
3-196-211-01 BUTTON (POWER)
56
3-087-053-01 +BVTP 2.6 (3CR)
57
3-196-195-01 BUTTON (FUNCTION) (FUNCTION, TUNER/
BAND, DISPLAY, PROGRESSIVE, DSGX)
51
not supplied
TAPE deck section
CON11
#5
PANEL board
not supplied
not supplied
SW1
not supplied
(MICROPHONE board)
not supplied
(POWER
SWITCH board)
52
53
54
55
56
56
56
56
56
66
56
57
68
65
67
65
A-1283-893-A PANEL BOARD, COMPLETE
66
3-273-019-01 SHEET (HEAT RESISTANT)
67
3-701-748-00 CLAMP
68
X-2187-759-1 BUTTON ASSY, OPERATION
CON11
1-831-615-21 CABLE, FLEXIBLE FLAT (12 CORE)
SW1
1-786-268-11 SWITCH, POWER (POWER)
#5
7-685-504-19 SCREW +BTP 2.6X6 TYPE2 N-S
Ver. 1.3
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