Sony CMT-EP414 / HCD-EP414 Service Manual ▷ View online
9
HCD-EP414
3-3. Base Unit (BU-K7BD44B)
3-4. CONTROL Board, BACK LIGHT Board
1
two screws
(+PWH 2.6
(+PWH 2.6
×
10)
4
two vibration proof rubbers (GRN)
5
base unit
(BU-K7BD44B)
3
two vibration proof rubbers (PNK)
2
two screws
(+PWH 2.6
(+PWH 2.6
×
10)
1
knob volume
4
CONTROL board
7
BACK LIGHT board
2
four screws
(+BVTP 3
(+BVTP 3
×
10)
3
five screws
(+BVTP 3
(+BVTP 3
×
10)
5
Remove two solderings.
6
two claws
10
HCD-EP414
3-6. Cassette Door Assy
1
Open the cassette door assy.
3
cassette door assy
claw
2
3-5. Tape Mechanism Deck (CMAL1Z240A)
1
wire (flat type) 8p
2
three screws
(+BVTP 3
(+BVTP 3
×
10)
3
tape mechanism deck
(CMAL1Z240A)
11
HCD-EP414
3-7. POWER Board, MAIN Board
1
connector
(AC IN)
(AC IN)
2
connector
(CN901)
(CN901)
5
two screws
(+BVTP 3
(+BVTP 3
×
10)
3
four screws
(+BVTP 4
(+BVTP 4
×
12)
6
MAIN board
4
POWER board
12
HCD-EP414
3.04 – 6.96 mN • m
(31 to 71 g • cm)
(0.43 – 0.98 oz • inch)
0.20 – 0.58 mN • m
(2 to 6 g • cm)
(0.02 – 0.08 oz • inch)
3.04 – 6.96 mN • m
(31 to 71 g • cm)
(0.43 – 0.98 oz • inch)
0.20 – 0.58 mN • m
(2 to 6 g • cm)
(0.02 – 0.08 oz • inch)
6.97 – 14.02 mN • m
(71 to 143 g • cm)
(0.98 – 1.99 oz • inch)
9.8 mN • m or more
(100 g • cm or more)
(1.4 oz • inch or more)
9.8 mN • m or more
(100 g • cm or more)
(1.4 oz • inch or more)
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Precaution
1.
Clean the following parts with a denatured alcohol-moistened
swab:
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2.
Demagnetize the record/playback head with a head demag-
netizer.
netizer.
3.
Do not use a magnetized screwdriver for the adjustments.
4.
After the adjustments, apply suitable locking compound to the
parts adjusted.
parts adjusted.
5.
The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
supply voltage unless otherwise noted.
Torque Measurement
SECTION 4
MECHANICAL ADJUSTMENTS
Mode
FWD
FWD
back tension
back tension
REV
REV
back tension
back tension
FF/REW
FWD tension
REV tension
Torque meter
Meter reading
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