Sony HCD-MC1 / MHC-MC1 Service Manual ▷ View online
HCD-MC1
6-2. CIRCUIT BOARD LOCATION
For schematic diagrams.
Note:
Note:
• 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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• 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.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
g
: VIDEO/MD
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: CD DIGITAL
• Abbreviation
CND : Canadian
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
TABLE SENSOR board
DISC SENSOR (R) board
DOOR SW board
BD board
CD LED board
AUDIO board
LEAF SW board
CD MOTOR board
DISC SENSOR (S) board
FUNC board
HP/MIC board
POWER AMP board
CD DOOR board
DOOR LED board
SW/POWER board
PANEL board
TRANS board
MAIN board
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
— 33 —
— 34 —
HCD-MC1
6-3. PRINTED WIRING BOARD BD SECTION
• See page 33 for Circuit Boards Location.
Ref. No.
Location
D151
B-4
IC101
E-4
IC102
E-7
IC103
B-8
IC104
C-8
Q101
H-6
Q102
G-6
Q103
B-2
• Semiconductor
Location
M
TO
MAIN BOARD
CN402
(Page 52)
N
TO
MAIN BOARD
CN401
(Page 52)
1-664-
353-
12
(12)
BD BOARD
M
M
M101
SPINDLE
MOTOR
M102
SLED
MOTOR
OPTICAL
PICK-UP
E
E
E
(LIMIT)
TP
(DVDD)
TP
(FE)
TP
(TE)
TP
(VC)
TP
(RF)
TP
(PLCK)
JW135
TP
(TOFF)
1
2
A
B
C
D
E
F
G
H
I
J
3
4
5
6
7
8
9
10
16
14
8
7
1
— 35 —
— 36 —
HCD-MC1
6-4. SCHEMATIC DIAGRAM BD SECTION
• See page 71 for Waveforms. • See page 72 for IC Pin Functions.
1SS133T
1
2
3
7
6
4
5
BA/F-NP
CD
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
— 37 —
— 38 —
HCD-MC1
6-5. PRINTED WIRING BOARD CD MOTOR SECTION •
See Page 33 for Circuit Boards Location.
J
I
TO
MAIN BOARD
CN451
(Page 52)
TO
MAIN BOARD
CN453
(Page 52)
L
TO
MAIN BOARD
CN461
(Page 52)
K
TO
MAIN BOARD
CN454
(Page 52)
CD MOTOR BOARD
TABLE SENSOR BOARD
DOOR SW BOARD
DISC SENSOR (S)
BOARD
BOARD
M
M
M62
TABLE MOTOR
M61
LOADING MOTOR
1-663-973-
11
(11)
1-663-975-
11
(11)
1-663-974-
11
(11)
1-663-971-
11
(11)
1-663-972-
11
(11)
1
DISC SENSOR (R)
BOARD
BOARD
Q51
(DOWN)
(UP)
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
13
16
— 39 —
— 40 —
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