Service Manual

MM-E 2072-09333-00
B-111
Table B-11. CONTROL HEAD Module (Trunk Mount Version), Parts List (Cont’d)
Ref. Des. Mfg. Catalog No. Description Qty.
U504 4021-70098-54 LINE TRANSCEIVER, RS-485 1.0
U505 4021-70098-54 LINE TRANSCEIVER, RS-485 1.0
U506 4021-70098-54 LINE TRANSCEIVER, RS-485 1.0
U507 4021-70697-64 RS232, 2TX+2RX 1.0
VR1 4021-10471-35 ZENER, 4.3V 1.0
VR2 4021-10471-35 ZENER, 4.3V 1.0
VR501 4021-10810-35 ZENER, 3.6V 1.0
VR502 4021-10471-35 ZENER, 4.3V 1.0
VR503 4021-10471-35 ZENER, 4.3V 1.0
VR504 4021-10471-35 ZENER, 4.3V 1.0
VR505 4021-10471-35 ZENER, 4.3V 1.0
VR506 4021-10471-35 ZENER, 4.3V 1.0
VR507 4021-10471-35 ZENER, 4.3V 1.0
VR508 4021-10471-35 ZENER, 4.3V 1.0
VR509 4021-10471-35 ZENER, 4.3V 1.0
VR510 4021-10471-35 ZENER, 4.3V 1.0
VR511 4021-10471-35 ZENER, 4.3V 1.0
Y1 4022-50026-00 CRYSTAL QUARTZ, 7.3728 MHz 1.0