Fisher CR 5120 Service Manual

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6524/. 7816

SERVICE MANUAL

fr FISHER
CR-5120

Stereo Cassette Tape Deck

With DOLBY Noise Reducer
(EUROPE)

THE FIRST NAME IN HIGH FIDELITY

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SPECIFICATIONS

cording System ...... AC Bias

asing System . . . _ . AC Erming

peSpeed .. , ,, 1-7/8ips. :196

st Forward Time . . . loosec. lC-BO cagette)

swihd Time . . . 100 sec. (C60 cassette)
)w 54 Flutter. ..... 0.07% RMS

equencv Response I(Flecord/Playback)

.HROME . ..... 30-16DOOH1
IOHMAL ,. ............ 30-14,000H1

ml to Noise Ratio (Tape

vlthout DOLEV .......... . Better than 52:15

vlth DOLBY . . . . ......... Better than 62113
osstalk
"rack to Track .............. Better than 70dB

Ihannel to Channel ..... Better than 40 dB

Distortion (3rd harmonic)

CHROME ..... . . 2.5%
NORMAL ..... . 15%
Terminal Impedance
MIC .................. . . 10 k-ohrrl
DIN INPUT ..... . 20 kchm
DIN OUTPUT , . . . . , 2 kohm
LINE III ............ . 100 k-ohm
LINE OUT . 2 kohrn
Headphone . 8 ohm
Power Cansumption . 24W

Pcrwer Swrce

Ac1 10/1251220v (50/50 Hz)

AMiIi-tions suhiect to change without notice.-

DISASSEMBLY

C. FRONT PANEL ASSEMBLY REMOVAL

BINET DISASSEMBLY

WOODEN CABINET ASSEMBLY REMOVAL

Unscrew the four screws (1 A 4) fastening the Wooden
Cablnet assembly and remove the four washers.

Remove the Wooden Cabinet assembly by lifting it

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it
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ANEL SHEET REMOVAL

Turn the unit upside down on a clean soft surface.

Remove the Panel Sheet bv unscrewing the seven screws
(5 - 11) fastening it.

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2, Unscrew the two screws (12v

1. Pullout the four knobs (A - D] from the unlt.

l3) fastening the lower slde
ot the Front Panel assemblv

Therr,p|ace the unit in an upright position.

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(95 BE)

3. Unscrew the three screws (14 - lfil fastening the uppersict
of the Front Panel assembly.
Pull out the connector (CN24) from the PrerAmplifler
PCB.

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4. Remove the lead wires which connect the Connector (CN24)
with the Peak Indicator from the wire-clamps.

5. Remove the Front Panel assembly and the three spacers
from the unit

DI SASSEM B LY (Continued)

D BACK PANEL REMOVAL

1 Pull out the connector (CN271 connecting the RECEIVER
DEVEMPHASIS Switch P.C.B. from the Switch P.C.B.

2. Pull out the connectors (CN17, CN34 and CN351connecting
the DIN socket from the Pre-Amplifier P,C.B.

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£73,355

3. Loosen the nut (M) of the Eushlng and remove the Back
Panel from the unit by unscrewrng the live screws (17 - 21)
fastening it.

. Reassemble the Cabinet in the reverse order.

PRE-AMPLIFIER P.C.B. ASSEMBLY REMOVAL

1, Follow the instructions for the Cabinet Disassemblv,

2, Pull out the five knobs (E r l) of the switches attached to
the PreAmplifier P. and unscrew the five screws
(22 - 26) fastening the switches.

3. Pull out the connector (CNS) from the Power Supply P,c.B,
and remove the lead wires from the Wire clamps.

4. Pull out all connectors (CNI2,13, 14, 15,16,18,19,20.
21, 22, 23, 24, 28, 29, 35, 40, 41) and the HT Pin sockets
(CN51, CN52 and CN53) Wllth are necessary for the
removal of the Pre~Amplifler P.C.B.

5, Unscrew the two screws (27728) fastening the Record
Lever Bracket and remove the Bracket

6. Unscrew the five screws (29 - 331 and the three fiber
washers (34-36) fastening the Pre-Amplifier P.C.B. and
remove the PCB. from the unit.

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7. Reassemble 1n the reverse order.

JACK P. C. B. ASSEMBLY REMOVAL

1. Follow the instructions for the Cabinm Disassemblv.

2. Turn the unit upside down and pull out the connectors
(CNEO, 31, 32, 33) from the Jack P.C.E.

3. Remove the spacer (Ll and the nut (39) of the Headphone
Jack.

4. To remove the P.C.B,, unscrew the two screws (40741)
fastenan the INPUT Selector,

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(D

5. Reassemble In the reverse order.

SWITCH P.C.B. ASSEMBLY REMOVAL

(MEMORY & LIMITER SWITCHES)

, Follow me instructions for the Cabinet Disassemblv.

2 Pull out the two knobs (J - K) of the switches attached to
the Switch P.C,B.

3. Pull out the connector (CNZBI and the RT Pin socket
(CN44) from the PreAAmpllher P CB and the Control
Circuit PCB.

4. Pull out the two FIT Pin sockets (CN42 and CN43l frorn the
SWItch P CB.

5, Unscrew the two screws (37 e 38) fastening the switches
and remove the PCB. from the unit

D

6. Reassemble in the reverse order.