Table Of Contents; General; Servicing Notes - Sony TCM-500DV Service Manual

TCM-500DV

TABLE OF CONTENTS

1. GENERAL
................................................................... 2
2. SERVICING NOTES
3. DISASSEMBLY
......................................................... 3
3-1. Cabinet Rear Assy (500), Lid Assy (500),
Cassette .................................................................. 3
3-2. MAIN Board .......................................................... 4
3-3. Mechanism Deck ................................................... 4
3-4. Head, Magnetic (Rec/PB/Erase) (HRPE901),
Belt (AR), Capstan/Reel (M601) .......................... 5
3-5. LED Board ............................................................. 5
3-6. SP Board ................................................................ 6
4. MECHANICAL ADJUSTMENTS
5. ELECTRICAL ADJUSTMENTS
6. DIAGRAMS
6-1. Block Diagrams ...................................................... 8
6-2. Printed Wiring Board -MAIN Board (Side A) - ... 9
6-3. Printed Wiring Board -MAIN Board (Side B) - ... 10
6-4. Schematic Diagram -MAIN Board (1/2) - ........... 11
6-5. Schematic Diagram -MAIN Board (2/2) - ........... 12
6-6. Printed Wiring Board -LED, SP Board - .............. 13
6-7. IC BLOCK DIAGRAMS ....................................... 14
MIC (PLUG IN POWER)
VOL
z REC
x STOP
nN PLAY
REW/REVIEW
FF/CUE
n DIR N
PAUSE .
In this set, the S102 (POWER) detects REC/PLAYBACK on.
It is mounted on the MAIN board, and therefore the REC/PLAYBACK on cannot be detected with the MAIN board removed.
When making an operation check and voltage check of mechnical deck with the MAIN board removed, fix the S102 at turn on.
Also, soldering the lands SL101 bridge makes S102 to turn on.
-MAIN BOARD (side A) -
ON
S102
2
................................................ 2
....................... 7
......................... 7
SECTION 1

GENERAL

EAR
TAPE COUNTER
Flat Mic
Microphone affleurant
REC TIME/PLAY MODE
VOR
REC, BATT, E lamps
Témoins REC, BATT, E
SECTION 2

SERVICING NOTES

*
7. EXPLODED VIEWS
7-1. Cabinet Section ...................................................... 15
7-2. Cassette Holder Section ........................................ 16
7-3. Mechanism Deck Section-1 (MT-500-175) .......... 17
7-4. Mechanism Deck Section-2 (MT-500-175) .......... 18
8. ELECTRICAL PARTS LIST
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
-MAIN BOARD (side B) -
................................................ 15
............................... 19
This section is extracted from
instruction manual.
SPEED CONTROL
SL101