Goldstar FFH-2165AX Service Manual ADJUSTMENT

- 8 -

ADJUSTMENTS

This set has been aligned at the factory and normally will not require further adjustment. As a result, it is not
recommended that any attempt is made to modificate any circuit. If any parts are replaced or if anyone tampers
with the adjustment, realignment may be necessary.

ADJUSTMENT & TEST POINT

Figure 1. Main P.C. Board

L140
(RECORD BIAS
ADJUSTMENT)

VR298
(MOTOR SPEED
ADJUSTMENT)

L21
(FM IF
ADJUSTMENT)

- 9 -

TAPE DECK ADJUSTMENT

1. AZIMUTH ADJUSTMENT

Figure 3. Azimuth Adjustment Connection Diagram

2. MOTOR SPEED ADJUSTMENT

Figure 4. Motor Speed Adjustment Connection Diagram

TUNER ADJUSTMENT

Figure 2. Tuner(S curve) Adjustment Connection Diagram

CH1 CH2

Speaker
Terminal

Playback Mode

Head

Test Tape
MTT-114

L ch

R ch

GND

Dual-trace
synchroscope

Electronic
Voltmeter

L out

R out

Unit

Unit

26

,

28 PIN

Signal Generator

GND

Electronic
OSCILLOSCOPE

FM Antenna
Terminal

Head

Playback Mode

Unit

Speaker Terminal

GND

L out

R out

Record/Playback
Head

Test Tape
MTT-111

Frequency Counter

Deck Mode Test Tape Test Point Adjustment Adjust for Remark

Playback MTT-114

Speaker

Head Screw R/L Maximum

Forward:Righthand Side Screw

Terminal Reverse:Lefthand Side Screw

Item Test Point Adjustment Adjust for

DC Voltage IC102

, pin L21 0V 50mV

Deck Mode Test Tape Test Point Adjustment Adjust for Remark

Playback MTT-111

Speaker VR298

3kHz

45Hz

After adjusting in forward, confirm

Terminal (MAIN PWB) the specification in reverse mode.