Sony CMT-DF1 / HCD-DF1 Service Manual ▷ View online
13
13
HCD-DF1
HCD-DF1
7-1. BLOCK DIAGRAM – MAIN Section –
JAC5
SPEAKER
L
R
T101
BIAS OSC
R-CH
BIAS OSC
Q25, 27
: AUDIO
: VIDEO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: Y
: CHROMA
: COMPONENT VIDEO
: DIGITAL OUT
: TUNER (FM/AM)
: TAPE PLAY
: REC
: MIC INPUT
TAPE MECHA
DECK BLOCK
DVD BOARD
VIDEO OUT
JAC1
DIGITAL OUT
OPTICAL
S VIDEO OUT
JAC2
JAC3
COMPONENT
VIDEO OUT
Y
P
B
/C
B
P
R
/C
R
C
Y
PB
REC
SW5 (5/9)
(REC/PB)
PB
REC
SW5 (4/9)
(REC/PB)
PB
REC
SW5 (3/9)
(REC/PB)
PB
REC
SW5 (2/9)
(REC/PB)
PB
REC
SW5 (1/9)
(REC/PB)
5
2
MUTING
Q301
IN1
OUT1
7
ALC_IN
6 ALCOUT1
MUTING
Q26
BIAS
TRAP
R-CH
R-CH
PB
REC
SW5 (8/9)
(REC/PB)
B+ SWITCH
Q23, 24
+9V
D10
D9
D18
D19
FAN MOTOR
A
POWER MUTING
B
D31
D12
D301
D11
REC/PB AMP, ALC
IC4
5 SDA
6 SCL
EEPROM
U2
+
TUNER (FM/AM)
AM
FM ANT
AM ANT
TU-L
TU-R
TU-DO
R-CH
TU-DATA
TU-CLK
TU-CE
FM 75
Ω
COAXIAL
ANTENNA
6 DVD_STB/TU_DO
14
18
DVD-L
17 LIN
LOUT
23
MUTE
24
O-LCH
13 TU-L
15
26
TA-L
DATA
27
27
26
CLK
FILTER
STANDBY
VCC_CTRL
C
5
7
29 OP/CL
12 PROTECT
10 DVD_IR/TU_DI
24C01_DATA/7314_DATA
24C01_CLK/7314_CLK
9 DVD_CLK/TU_CLK
11 DVD_DATA/TU_CE
OPTICAL
TRANSCEIVER
JAC4
MUTING
CONTROL SWITCH
Q3
MUTING
SWITCH
SWITCH
Q4
LINE AMP
Q16
VR301
MIC LEVEL
JA303
MIC
MIC AMP
IC301 (2/2)
R-CH
R-CH
MIC AMP
IC301 (1/2)
MUTING
Q13
STANDBY
SWITCH
Q11
10 IN1
POWER AMP
IC101
1
OUT1
JA302
PHONES
SYSTEM CONTROLLER
U1 (1/2)
INPUT SELECTOR, ELECTRICAL VOLUME
IC102
SECTION 7
DIAGRAMS
(Page 14)
(Page 14)
(Page 14)
14
14
HCD-DF1
HCD-DF1
7-2. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
REMOTE CONTROL
RECEIVER
IC5
LCD1
LIQUID
CRYSTAL
DISPLAY
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC2
SYSTEM CONTROLLER
U1 (2/2)
RESET SWITCH
Q1
B+ SWITCH
Q5, 7
7
RESET
25
POWER_CTRL
28
DVD_VCC_CTRL
SEG1 –
SEG30
SEG30
12 – 15
17 – 46
KEY_IN0 –
KEY_IN2
KEY_IN2
13 – 15
COM1 –
COM4
COM4
30 STAND_BY
5 REMOTE
LED3
STANDBY
LED1, 2
(LCD BACK LIGHT)
2
XOUT
3
XIN
XT1
4.19MHz
SD_DATA
BU9728_DATA
9
21
SCK
BU9728_CLK
8
18
CS
BU9728_CE
10
20
C/D_STB
BU9728_C/D_STB
11
22
RESET
+4V
OPTION_IN
16
17
16 KEY_OUT
KEY1 – KEY11
(AC IN)
D4
D39
D36, 37
D17
D34
F2
RECT
D24 – 27
F3
RECT
D20 – 23
F1
DVD+5V
T1
POWER
TRANSFORMER
Abbrivation
: Hong Kong model
HK
: Singapore model
SP
: Australian model
AUS
D1
SW1
POWER
SW1
POWER
(EXCEPT AUS)
(AUS)
(E, HK, SP)
(EXCEPT E, HK, SP)
(AUS)
VOLTAGE
SELECTOR
SW2
+4V
+9V
DVD+9V
B+ SWITCH
Q21
SWITCHING
REGULATOR
U3
+9V
REGULATOR
IC1
+4V
REGULATOR
Q8
POWER OFF
MUTING
Q6
POWER OFF
MUTING
Q19
FAN MOTOR
A
POWER
CONTROL
Q9
24
TU_VCC_CTRL
VCC_CTRL
C
POWER MUTING
B
POWER
CONTROL
Q20
FAN MOTOR
DRIVE
QT2, QT4
M1
(FAN)
M
FAN MOTOR
DETECT
QT3
Q2
B+ SWITCH
Q22
(Page 13)
(Page 13)
(Page 13)
15
15
HCD-DF1
HCD-DF1
MICROPHONE board
PANEL board
DECK board
POWER SWITCH board
MAIN board
TUNER (FM/AM)
DVD board
POWER board
•
Note for Printed Wiring Boards and Schematic Diagrams
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
A
: B+ Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
) : DVD PLAY
[
] : TAPE PLAY
〈〈
〉〉
: REC
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: AUDIO
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
J
: DIGITAL OUT
f
: TUNER (FM/AM)
d
: TAPE PLAY
G
: REC
N
: MIC INPUT
•
Abbreviation
AUS
AUS
: Australian model
HK
: Hong Kong model
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TW
: Taiwan model
•
Circuit Boards Location
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Indication of transistor
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
B
These are omitted.
C
E
Q
16
16
HCD-DF1
HCD-DF1
7-3. PRINTED WIRING BOARD – DECK Board –
•
See page 15 for Circuit Boards Location.
: Uses unleaded solder.
•
Semiconductor
Location
Location
Ref. No. Location
D11
C-2
D12
C-2
D13
D-5
D14
D-5
D15
B-5
D16
B-5
IC4
C-4
Q23
A-2
Q24
B-2
Q25
E-4
Q27
E-4
ZD5
B-5
(Page 19)
J101
J102
J103
R184
R177
J111
R193
C197
W2
J112
J113
R165
J109
L101
J108
J107
C173
J106
CON101
C192
J105
J104
C178
L102
C176
C174
C172
C193
C180
C188
J110
ZD5
C194
C195
IC4
C175
C191
C177
C187
C179
J114
C230
C233
C234
C235
J115
T101
C171
R194
Q23
R195
R196
Q24
C198
R197
R188
D11
D12
R178
R186
R185
R187
R139
C237
C232
R168
Q27
R169
R181
R179
C189
RJ100
R182
C190
R176
R180
C169
R172
C203
R174
C184
C186
R183
D15
D16
C170
C183
R173
C185
R171
R175
D14
D13
R170
C231
R167
R166
Q25
C238
C9
DECK BOARD
E
E
E
E
1-874-332-
11
(11)
A
MAIN
BOARD
CON1
1
1
3
7
14
8
-1
-2
-3
-4
-5
-6
-7
-8
-9
SW5
(REC/PB)
REC
PB
1
11
(CHASSIS)
BIAS
OSC
TAPE MECHA
DECK BLOCK
(1/2)
A
B
C
D
E
F
1
2
3
4
5
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