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Technics SH-4020 Service Manual page 4

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Mi DISASSEMBLY
INSTRUCTIONS
How to remove the printed circuit board.
Remove the 2 setscrews (Fig.
1: @, @) of the cabinet.
4. Remove the 3 setscrews (Fig.
2: @ ~ ©) of the printed circuit board.
(Raise the printed circuit board when repairing.)
Cy
Rear panel
1)
Be
SS
Lift it up
S
straight
NN
ei
Cabinet
Printed circuit board
os.
\\
Printed circuit
board
FL bracket
Fig. 1
Fig. 2
M@ REPLACEMENT
PARTS
LIST .... . Electrical Parts
Notes:
1. Parts numbers are indicated on most mechanical parts. Please this part number for parts orders.
2. Important safety notice:
Components identified by AA mark have special characteristics important for safety.
When replacing any of these components use only manufacturer's specified parts.
3. The ''S"' mark is service standerd parts and may differ from production parts.
4, Unless other wise specified.
All resistors are in OHMS(Q2 ), K=100082, M=1000k{2.
All capacitors are in MICROFARADS(u F), P=MHF.
INTEGRATED CIRCUIT
TRANSFORMER
TRANSISTORS
FLUORESCENT DISPLAY TUBE
2SA733—P1
Swiching
es
ee
FUSE
SWITCHES
S1
SSR175
Mode
Example
Example
ECEA
ie
5
101
Type
Voltage
Peculiarity use
Value
eo ae en
RESISTORS
R1
ECEA
: Electrolytic
P : +100%, —O%
ECKD
: Ceramic
;
Z
: +80%, —20%
CAPACITORS
ECKD1H1032F
ECEA1VS471
ECEA1ES101
ECKD1H1032ZF
A\|
ECKDKC103PF
ERD25TJ104
ERD251.3333
ERD25FJ103
ERD25TJ563
R5

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