Sony CCD TRV16 Service Manual - Page 6

SELF-DIAGNOSIS FUNCTION 1. Self-diagnosis Function When problems occur while the unit is operating, the self-diagnosis function starts working, and displays on the viewfinder or Dis- play window what to do. This function consists of two display; selfdiagnosis display and service mode display. Details of the self-diagnosis functions are provided in the Instruc- tion manual. Viewfinder Display window 2. Self-diagnosis display When problems occur while the unit is operating, the counter of the viewfinder or Display window shows a 4-digit display consisting of an alphabet and numbers, which blinks at 3.2 Hz. This 5-character display indicates the "repaired by:", "block" in which the problem occurred, and "detailed code" of the problem. C : 3 1 : 1 1 C : 3 1 : 1 1 Blinks at 3.2 Hz C 31 11 Display window Repairede by : Block Detailed Code Refer to page7 Self-diagnosis Code table C : Corrected by customer Indicates the appropriate step to be taken H : Corrected by dealer E. g. E : Corrected by service engineer 31 ... Reload the tape. 32 ... Turn on power again. 3. Service Mode Display The service mode display shows up to six self-diagnosis codes shown in the past. 3-1. Display Method While pressing the "STOP" key, set the switch from OFF to "VTR or PLAYER", and continue pressing the "STOP" key for 5 seconds continuously. The service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes. Viewfinder [3] C : 3 1 : 1 1 Display window 3 C : 3 1 : 1 1 Lights up [3] C : 3 1 : 1 1 Backup No. Self-diagnosis codes Order of previous errors Control dial 3-2. Switching of Backup No. By rotating the control dial, past self-diagnosis codes will be shown in order. The backup No. in the [] indicates the order in which the problem occurred. (If the number of problems which occurred is less than 6, only the number of problems which occurred will be shown.) [1] : Occurred first time [4] : Occurred fourth time [2] : Occurred second time [5] : Occurred fifth time [3] : Occurred third time [6] : Occurred the last time 3-3. End of Display Turning OFF the power supply will end the service mode display. Note: The self-diagnosis display data will be backed up by the coin-type lithium battery. When this coin-type lithium battery is disconnected, the self-diagnosis data will be lost by initialization.