Adjustment - Sharp QT-CD700W Service Manual

ADJUSTMENT

MECHANISM SECTION
Torque Specified Value
Play: TW-2412 Over: 80g
Torque Check
Torque Meter Specified Value
Play TW-2111 30 to 60g.cm
Fast Forward 55 to 140g.cm
Rewing: TW-2231 55 to 140g.cm
Head Azimuth
Torque Specified Value
Output: Speaker terminal
MT-114
CN6 Load resistance: 8 ohms
Tape Speed
Adjusting
Test Tape
point
Variable
Resistor in
MTT-111
MOTOR.
M601
Tape Section
Position of each switch or control
Volume control Max
Function switch Tape/Stand-by
Adjustment point Specified Value
T101 80KHz ± 6KHz
Instrument
Specified
Connection
Output: Speaker
Terminal CN6
3.000±90Hz
Load resistance:
8 Ohms
Instrument
Connection
Pin 1 CN103
TUNER SECTION
fL : Low-range frequency
fL : High-range frequency
FM IF /RF
Specified Value/
Test Stage
Adjusting Point
fL : L301
FM
fL : C2
Band Coverage
fL : 90 MHz: L303
FM Tracking
fH: 106.0 MHz: C1
AM IF /RF
Specified Value/
Test Stage
Adjusting Point
AM IF T303
fL: T301
AM
Band Coverage fL: C4
fL: 600KHz ANT
AM Tracking
fL: 1400KHz C3
Playback Amplifier Sensitivity Check
Test Tape Specified Value
MTT-118 1.5V ± 3dB
10
QT-CD700W
Instrument
Connection
Input: Antenna
Output: Speaker
Terminal (CN6
Load resistance:
8 ohms
Instrument
Connection
Input: Antena
Output: Pin 18
of IC1
Input: Antenna
Output: Speaker
Terminal CN6 Load
resistance: 8 ohms
Instrument Connection
Speaker Terminal
(Load resistance: 8 ohms)