PIONEER CT-L5
Manual de Servicio

CT-L5

6. ADJUSTMENT
For adjustment, use the CD RECEIVER (XC-L5).

6.1 Test Mode
There are two test mode: test mode 1 for execution of special operations and test mode 2 with LINE MUTE operation in the same way as for the deck by itself.
REAR

6.1.1 Test Mode 1
7 How to enter into Test Mode 1
In case of system operation ........
Receive �A15F� (bus data 1C5F) with the remote control or switch on the power with the TEST MODE JP [W101 (GNDD) and W103 (TEST)] of the MAIN UNIT short-circuited (pin 44 of the microcomputer connected to GND). (Refer to Fig. 6-1.)
+5.6V �10V +10V

B
CN2601

A

In case of single operation ........
Connect part A of the MAIN UNIT [W107,W113 (GNDA), W112 (GNDD) and chassis (KN2001)], short-circuit the TEST MODE JP [W101 GNDD) and W103 (TEST)] (pin 44 of the microcomputer connected to GND), and supply DC power to part B [TC+ (10 V), TC- (-10 V) and V+5.6 (+5.6 V) of CN2601]. (Refer to Fig. 6-1.)
TEST MODE W101 W103
Short point

CN2601 Pin 7 ...... +5.6V Pin 9 ...... �10V Pin10 ...... GND Pin11 ...... +10V

MAIN UNIT

When test mode is entered, �TEST3� is displayed and the �PLAY� and �REC� LEDs flash.

Fig. 6�1

7 Operation of test mode 1
(1) When the power is switched on, cassette mechanism switch check mode is entered and the CD RECEIVER (XC-L5) on the displays the following. 1 FUNCTION is set to AUX. 2 FWD recording is performed for 4 sec. 3 REV recording is performed for 4 sec. 4 FWD playback is performed for 4 sec. (Function becomes TAPE), and the unit stops. LINE MUTE opens in REC condition. (3) The keys �PLAY�, �FF�, �RWD� and �STOP� operate normally, and return to cassette mechanism switch check mode is made with the �OPEN/CLOSE� key. (4) �DOLBY� ON/OFF check mode is made with the �ASES� key. (5) When abnormal operation is detected, the corresponding code will be displayed on the

REV REC SW
ON: REV recording OFF: possible R Impossible �

FWD REC SW
ON: FWD recording possible F OFF: Impossible �

HALF SW
ON: Tape present OFF: Absent H �
Error Code

TAPE TYPE
NORMAL CrO2 (TYPE I) (TYPE II) 1 2

(2) When the �RECORDING PAUSE� key is pressed, the mode for opening of LINE MUTE is reached, and when it is pressed again, automatic recording and playback mode is reached and the following operation is performed.

01 ........ The head does not move up. 02 ........ The head does not move down. 03 ........ The tray does not close. 04 ........ The tray does not open.

7 Cancellation of test mode 1
Press the �STANDBY/ON� key or disconnect the AC power supply.

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