Cd Test Mode Function; Measurements And Adjustments - Panasonic SA-AK22 Service Manual

10.3. Power Supply related error detection
No. Error
1 POWER AMP
output abnormal

11 CD Test Mode Function

This CD test mode is provided to check CD unit without connecting to changer loading mechanism. This mode shall operate CD
PLAY with CD unit being connected only and CD Automatic Alignment result is shown on FL display.
11.1. How to set CD test mode
11.2. CD Automatically Adjustment result indication
Under CD test mode, pressing the numeric key '0' on the remote controller will display the auto adjustment result. FLOCK, TLOCK
and CLVS status shall be shown as below:
During the above display, executing CD PLAY will display auto adjustment result for CD PLAY mode.

12 Measurements and Adjustments

12.1. Cassette Deck Section
• • • • Measurement Condition
− − − − Tape edit: NORMAL
− − − − Record timer: OFF
− − − − Make sure head, capstan and press roller are clean.
− − − − Judgeable room temperature 20 ± 5 °C (68 ± 9°F)
• • • • Measuring instrument
− − − − EVM (Electronic Volmeter)
− − − − Digital quency counter
Error Problem condition
Display
F61 When POWER is switched on, power become off automatically.
During normal operation, if DC DET become L, PCNT shall become
L and the error display on the left shall be displayed. (IC501)
• • • • Test Tape
− − − − Tape speed gain adjustment (3 kHz, -10 dB);
QZZCWAT
12.1.1. Tape Speed Adjustment (Deck 1/2)
1. Set the tape edit button to "NORMAL" position.
2. Insert the test tape (QZZCWAT) to DECK 2 and playback
(FWD side) the middle portion of it.
3. Adjust Motor VR (DECK 2) for the output value shown
below.
Adjustment target: 2940 ~ 3060 Hz (NORMAL speed)
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SA-AK22