Sony HCD-VP1 Service Manual ▷ View online
17
17
HCD-VP1
5-3.
BLOCK DIAGRAM – MAIN Section –
05
A
(Page 16)
•
SIGNAL PATH
: TAPE RECORD
: TAPE PLAY
: CD PLAY (ANALOG OUT)
: MIC IN
: TUNER
TX
TEX
MD/VIDEO-ON
D304
SYSTEM CONTROLLER
IC801 (3/4)
X802
32.768kHz
LIN4
LIN1
INL
R-CH
PJ301 (1/2)
REC-L
B
(Page 16)
PB-L
SDA
SCL
92
93
XTAL1
EXTAL1
X801
4.19MHz
40
39
24
LINE OUT-MUTE 97
HP-CHK 31
AMP-STBY 23
AMP-MUTE 22
1 30
STBY
MUTE
9
10
15
11
SCK
28
TU-CLK
29
TU-CE
TU-DATA/SDA
4
TUNED
9
14
LIN3
13
11
LIN2
MOL
16
12
D
(Page 18)
CD-ON
L
MD IN
R
L
R
L
R
L
R
R-CH
D302
R-CH
6
LOUT
5
ROUT
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
Q808
TUNER ON SWITCH
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC301
IN+
3
OUT 14
POWER AMP
IC101
L-CH
10
3
R-CH
TUNER PACK
R-CH
VIDEO IN
MUTING
Q102, 103
LINE AMP
IC307
HEADPHONE
AMP
IC303
MUTING
CONTROL SWITCH
Q317, 318
LED DRIVE
Q853
MUTING
CONTROL SWITCH
Q303, 304
STANDBY ON/OFF
CONTROL SWITCH
Q305, 306
MUTING
CONTROL SWITCH
Q308, 320
MUTING
Q106
MUTING
Q101
VOLUME
CONTROL
CIRCUIT
TONE
CONTROL
CIRCUIT
ATT
MUTING
Q132
R-CH
PJ301 (2/2)
LINE OUT
J301
PHONES
SJ301
SPEAKER
IMPEDANCE
USE 6-16
Ω
D853
MD/VIDEO
+
Q808
DI
4
CK
2
CE
5
DO
8
TUNED
ANTENNA
FM ANT
ANT GND
ANT GND
AM ANT
FM
75
Ω
AM
+
+
–
–
INPUT SELECT SWITCH
19
TU-COUNT
18
E
(Page 18)
1
3
7
5
RV401
MIC VOL
MIC AMP
IC401
J402
MIC IN
F
(Page 15)
CD L-CH
TU-ON
18
HCD-VP1
18
5-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
05
SYSTEM CONTROLLER,
LCD DRIVER
IC801 (4/4)
C
(Page 16)
REC/PB
D
(Page 17)
CD-ON
MUTING
CONTROL SWITCH
Q311, 312
+12V
REGULATOR
IC306
+5V
REGULATOR
Q310
+8V
REGULATOR
IC304
+8V
REGULATOR
IC311
–8V
REGULATOR
IC305
–5V
REGULATOR
IC312
RECT
D911 – 914
RECT
D907 – 910
POWER TRANSFORMER
T901
VOLTAGE
SELECTOR
S901
LINE
FILTER
LF901
+10V
REGULATOR
Q313
AC IN
B+
B–
+5V
CD BLOCK B+
+12V
TDA7439 (IC301) B+
+10V
TUNER PACK B+
–8V
AUDIO
CIRCUIT
POWER AMP
(IC101, 201)
D315
E
(Page 17)
TU-ON
REGULATOR
CONTROL SWITCH
Q321, 322
LED DRIVE
Q852
D814
D815
D813
D812
D802
Q655
CD
D852
CD-ON 94
VCD
8
TU-ON 25
TC-ON
REG-CON
98
26
RESET 38
+7.5V
REGULATOR
Q314
RESET SIGNAL
GENERATOR
IC803
FM 7.5V
FM CIRCUIT B+
B+ SWITCH
Q661, 662
B+ SWITCH
Q653, 654
B+ SWITCH
Q651, 652
LED B+
REGULATOR
CONTROL SWITCH
Q315, 316
LED DRIVE
Q500
VCD ON
D500
PBC 16
LED DRIVE
Q501
PBC
D501
LED DRIVE
Q855
TUNER
D855
LED DRIVE
Q854
LED DRIVE
Q856
LED DRIVE
Q858
TAPE
D854
DSG
D856
D858
(DISC TRAY ILLUMINATION)
STANDBY
I/u
D851
D657 – 660
(LCD BACK LIGHT)
BACK UP +5V
SYSTEM CONTROLLER (IC801) B+
Q859
REMOTE CONTROL
RECEIVER
IC802
3
REMOCON
D.S.G.
27
LED DRIVE
Q857
CD SYNC
D857
CD-SYNC
ROTARY
ENCODER
RV801
JOG-A
21
JOG-B
20
36 – 33
SEG0 – SEG31
KEY1 – KEY4
54 – 85
COM0 – COM3
50 – 53
S801 – 822, 824-829
RV801
VOLUME
LIQUID CRYSTAL
DISPLAY
LCD801
CASSETTE HOLDER
BACK LIGHT
7
–5V
CD BLOCK B–
+8V
AUDIO CIRCUIT
+8V
CD BLOCK, DISC TRAY OPEN/
CLOSE MOTOR DRIVER (IC306) B+
19
19
HCD-VP1
5-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Circuit Boards Location
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• b
: Pattern from the side which enables seeing.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
2
: nonflammable resistor.
•
C
: panel designation.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• 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.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: TUNER
E
: TAPE (PLAY)
a
: TAPE (REC)
J
: CD (AUDIO)
L
: CD (VIDEO)
c
: DIGITAL OUT
N
: MIC IN
LCD board
POWER board
VIDEO SW board
MAIN board
HP/MIC board
LOADING board
CD board
CONTROL board
20
HCD-VP1
20
5-6.
PRINTED WIRING BOARD – CD Board –
•
See page 19 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC701
B-5
IC702
F-3
IC703
E-6
IC704
B-3
Q701
E-5
Q702
D-6
(Page 26)
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