Avery Berkel CX20 SERIES, Service Manual

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1 — Introduction
1–7 CX20/CX30/CX34 Service Manual
1.2 General Data
Subject Description Notes
Power requirement 110–120/220–240 Vac +10/–15%, 50–60 Hz,
35VA (non–printing), 160VA (printing) Power not to
exceed 160 VA
(worst case)
5V regulated supply capable of providing
20mA maximum in normal operating
conditions CX30 TK
Scale range See ”Digit 1 – Capacity” in Table 6.1 for scale
ranges
Keyboard (operator
and programming) Membrane lattice (5 x 14 matrix), 69 key
positions CX20
g g)
Membrane lattice (9 x 14 matrix), 125 key
positions CX30
Membrane lattice (5 x 16 matrix), 80 key
positions CX34
Keyboard (customer
self–service) Remote or column–mounted. Comprises
individual moulded plastic keys: two sizes
available, large and small. Single keyboard:
64 large, 128 small or any combination of
keys. Two keyboards: 64 large keys each. CX30 TK
Display Two integral, four–zone displays (customer
and vendor), and one small, integral LCD
display (vendor). Customer display has option
of being column–mounted. CX20
One integral, four–zone display (vendor), and
one small, integral liquid crystal display
(vendor). CX20 W
Two column–mounted, five–zone displays
(customer and vendor) CX30
Two integral, five–zone displays (customer
and vendor) CX34
Printer Receipt printer optional
Label and receipt printer optional (always
used on CX20 W)