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WF-CD77H/E
CP-CD77
©
ADJUSTMENT
As for adjusting method refer to the relevant explanation in
TAPE
SECTION
Service
Manual
"ADJUSTMENT
PROCEDURES
OF AUDIO
—
-
PRODUCTS".
Position of each switch or control
Volume
Max
Beat cancel switch
|
A
MECHANISM
SECTION
Graphic equalizer
Center
Tape selector switch
Normal
: Driving Force check
Function
Tape
J stale Meter
ppecitied.value
' Bias Oscillation Frequency/Bias
Current check
Play:
TW-2412
Over 140g
Reverse play: TW-2422
Over 140 g
Specified value
A: 97 + 4 kHz
- Torque
Check
Beat cancel
B: 6 + 1.5 kHz for A
C:
4 + 2 kHz for B
Specified value
Torque Meter
Tape 1
Tape 2
+ Erase Current check
L
Play:
TW-2111
35 to 60 g.cm
35 to 60 g.cm
Specitiod vali
Reverse play:
TW-2121
35 to 60 g.cm
35 to 60 g.cm
Resistor for measurement:
1 ohm
100 + 15mA
Fast forward:
TW-2231
85 to 170 g.cm
85 to 170 g.cm
Rewind:
TW-2231
85 to 170 g.cm
85 to 170 g.cm
- Playback Amplifier Sensitivity check
- Head Azimuth
Test Tape
Specified value
Instrument Connection
J261
Test Tape
Instrument Connection
MTT-118
1.5 V + 3 4B
| (Load resistance:
4 ohms)
J261
pili
{Load resistance:
4 ohms)
- Tape Speed
taps
:
r
Instrument
MTT-111}
Tape 2: —
{6,000 + 700 Hz} J261
{Load
resistance:
pl
MTT-111 | Tape 2: VR9O1 .000 + 60 Hz|-4 ohms!
To set high speed, short-circuit Pin 12 of CNP801
and earth.
Cassette
Holder
Cover
Remove
the
cassette
holder
cover
from
the
l!ower
hook.
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