Read Sony HCD-W55 / MHC-W55 / MHC-W77AV Service Manual online
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Section
Title
Page
TABLE OF CONTENTS
Specifications ................................................................................... 1
1.
GENERAL
............................................................................... 3
2.
DISASSEMBLY
2-1. Front Panel Section Removal ............................................ 4
2-2. CD Block Removal ............................................................ 4
2-3. Cassette LID (A)/(B) Assy,
2-2. CD Block Removal ............................................................ 4
2-3. Cassette LID (A)/(B) Assy,
Mechanism Deck Removal ................................................ 5
3.
ADJUSTMENTS
3-1. Mechanical Adjustments ................................................... 6
3-2. Electrical Adjustments ....................................................... 6
3-2. Electrical Adjustments ....................................................... 6
4.
EXPLANATION OF IC TERMINALS
................................ 11
5.
DIAGRAMS
5-1. Block Diagram ................................................................ 13
5-2. Circuit Boards Location .................................................. 15
5-3. Printed Wiring Boards –Main Section– ........................... 16
5-4. Schematic Diagram–Main Section– ................................ 19
5-5. Schematic Diagram –TC Section– .................................. 23
5-6. Printed Wiring Boards–TC Section– ............................... 27
5-7. Schematic Diagram–CD Section– ................................... 29
5-8. Printed Wiring Boards –CD Section– ............................. 31
5-9. IC Block Diagrams .......................................................... 35
5-2. Circuit Boards Location .................................................. 15
5-3. Printed Wiring Boards –Main Section– ........................... 16
5-4. Schematic Diagram–Main Section– ................................ 19
5-5. Schematic Diagram –TC Section– .................................. 23
5-6. Printed Wiring Boards–TC Section– ............................... 27
5-7. Schematic Diagram–CD Section– ................................... 29
5-8. Printed Wiring Boards –CD Section– ............................. 31
5-9. IC Block Diagrams .......................................................... 35
Section
Title
Page
6.
EXPLODED VIEWS
6-1. Chassis Section ................................................................ 38
6-2. Front Panel Section ......................................................... 39
6-3. TC Mechanism Section-1 (TCM-220WR2) .................... 40
6-4. TC Mechanism Section-2 (TCM-220WR2) .................... 41
6-5. CD Mechanism Section (CDM38-5BD19) ..................... 42
6-6. Chassis Section (CDM38-5BD19) .................................. 43
6-7. Base Unit Section (BU-5BD19) ...................................... 44
6-2. Front Panel Section ......................................................... 39
6-3. TC Mechanism Section-1 (TCM-220WR2) .................... 40
6-4. TC Mechanism Section-2 (TCM-220WR2) .................... 41
6-5. CD Mechanism Section (CDM38-5BD19) ..................... 42
6-6. Chassis Section (CDM38-5BD19) .................................. 43
6-7. Base Unit Section (BU-5BD19) ...................................... 44
7.
ELECTRICAL PARTS LIST
............................................... 45
SERVICING NOTE
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Supplying power during servicing
This equipment cannot operate without using a separate power supply. Connect to the STR-W55/W77AV when performing service work.
To apply power set the SYSTEM POWER switch on the Tuner/Amp to ON.
When other units are not available use the PFJ-1 power supply jig.
When using the PFJ-1, simultaneously press the CD STOP button and the DECK A
To apply power set the SYSTEM POWER switch on the Tuner/Amp to ON.
When other units are not available use the PFJ-1 power supply jig.
When using the PFJ-1, simultaneously press the CD STOP button and the DECK A
) (fast rightward) button to turn on the power.
PFJ-1
(Power Supply Jig)
POWER SW
Set
connector cable 17P
(Supplied with set)
(Supplied with set)
CN151 17P
SYSTEM CONTROL 1
SYSTEM CONTROL 1
FH-E939,838,737,
MHC-6600, 5600,
3600, 2600
CDP/TC
MHC-6600, 5600,
3600, 2600
CDP/TC
[Connection Diagram]
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