Sony HCD-M80 Service Manual ▷ View online
SERVICE MANUAL
HCD-M80
SUPPLEMENT-1
File this supplement with the service manual.
(ECN-SMB00462/SMB00463/SMB00470/SMB00472/SMB00496/SMB00497)
E Model
Ver 1.1 2002.12
In this set, TC, MAIN, CONTROL, JACK, SWITCH, VIDEO and POWER boards have
been changed in the midway of production.
Printed wiring boards and schematic diagrams of new type, and changed parts list
are described in this supplement-1.
Refer to original service manual for other information.
been changed in the midway of production.
Printed wiring boards and schematic diagrams of new type, and changed parts list
are described in this supplement-1.
Refer to original service manual for other information.
9-874-142-81
1.
NEW/FORMER DISCRIMINATION
...................
2
2.
DIAGRAMS
2-1. Note for Printed Wiring Boards and
Schematic Diagrams .......................................................
4
2-2. Schematic Diagram – TC Board – .................................
5
2-3. Printed Wiring Board – TC Board – ..............................
6
2-4. Printed Wiring Boards – MAIN/JACK Boards – ..........
7
2-5. Schematic Diagram – MAIN Board (1/2) – ..................
8
2-6. Schematic Diagram
– MAIN (2/2)/JACK Boards – .......................................
9
2-7. Printed Wiring Boards
– CONTROL/LOADING/VIDEO Boards – .................. 10
2-8. Schematic Diagram
– CONTROL/LOADING/VIDEO Boards – .................. 11
2-9. Printed Wiring Board – SWITCH Board – ................... 12
2-10. Schematic Diagram – SWITCH Board – ...................... 13
2-11. Printed Wiring Board – POWER Board – ..................... 14
2-12. Schematic Diagram – POWER Board – ........................ 15
2-10. Schematic Diagram – SWITCH Board – ...................... 13
2-11. Printed Wiring Board – POWER Board – ..................... 14
2-12. Schematic Diagram – POWER Board – ........................ 15
3.
ELECTRICAL PARTS LIST
............................... 16
TABLE OF CONTENTS
Subject: Change of TC board (Suffix-33)
Change of MAIN board (Suffix-16)
Change of CONTROL/JACK/SWITCH boards (Suffix-12, -13)
Change of VIDEO board (Suffix-22)
Change of POWER board (Suffix-12)
2
HCD-M80
– MAIN BOARD (Component Side) –
Former : 1-684-232-15
New
New
: 1-684-232-16
1.
NEW/FORMER DISCRIMINATION
In this set, TC, MAIN, JACK, CONTROL, VIDEO, SWITCH and
POWER boards have been changed in the midway of production.
POWER boards have been changed in the midway of production.
– TC BOARD (Component Side) –
Former : 1-684-172-32
New
New
: 1-684-172-33
– JACK BOARD (Component Side) –
Former : 1-685-831-11
New
New
: 1-685-831-12, -13
3
HCD-M80
– CONTROL BOARD (Component Side) –
Former : 1-685-829-11
New
New
: 1-685-829-12, -13
– VIDEO BOARD (Component Side) –
Former : 1-685-430-21
New
New
: 1-685-430-22
– SWITCH BOARD (Component Side) –
Former : 1-685-830-11
New
New
: 1-685-830-12, -13
– POWER BOARD (Component Side) –
Former : 1-685-828-11
New
New
: 1-685-828-12
4
HCD-M80
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
• Indication of transistor.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: 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.
F
: TUNER (FM/AM)
J
: CD PLAY (AUDIO)
L
: CD PLAY (VIDEO)
E
: TAPE PLAY
a
: REC
j
: MD (VIDEO)
N
: MIC INPUT
• Abbreviation
EA
: Saudi Arabia model
SP
: Singapore model
TH
: Thai model
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
2.
DIAGRAMS
2-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
C
B
These are omitted.
E
Q
