Sony UP895 Service Manual - Page 40
Thermal Head Structure, Structure
![]() |
View all Sony UP895 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 40 highlights
4-5. Thermal Head Section 4-5-1. Structure The thermal head consists of one-line 1280 dots (64 bits x 20). It includes the 20 pairs below. (The DATA input is ten DATA [20:1], and other terminals are common.) VH R1 R2 R3 5V R64 Output-stage transistor DR BEO STB DATA[n] CLK D1 D2 D3 D1 D2 D3 D64 Latch section D64 Shift register section Internal Circuit Configuration of Thermal Head (One-port) DATA CLK Print data (64 data) 64CLK STB Head heat time DR BEO Goes "H" during print start. Timing Chart 4-14 UP-895/(E)
![](/manual_guide/products/sony-up895-service-manual-139948a/40.png)
4-14
UP-895/(E)
4-5.
Thermal Head Section
4-5-1.
Structure
The thermal head consists of one-line 1280 dots (64 bits
x
20).
It includes the 20 pairs below.
(The DATA input is ten DATA [20:1], and other terminals are common.)
Internal Circuit Configuration of Thermal Head (One-port)
Timing Chart
VH
R1
R2
R3
R64
D1
D2
D3
D64
D64
D3
D2
D1
5V
DR
BEO
STB
DATA[n]
CLK
Output-stage
transistor
Latch section
Shift register
section
Print data (64 data)
64CLK
Head heat time
DR
BEO
DATA
CLK
STB
Goes “H” during print start.