Crt Interface; Figure 5-2 External Circuitry For Crt Interface - Epson S1D13505F00A Technical Manual

5.5 CRT Interface

The following figure shows the external circuitry for the CRT interface.
4.6mA
IREF
R
G
B
DAC V
SS
S1D13505F00A HARDWARE FUNCTIONAL
SPECIFICATION (X23A-A-001-12)
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DAC V = 3.3V
DD
1.5kΩ
1%
4.6mA
2N2222
140Ω 1kΩ
1% 1%
DAC V DAC V
SS SS
}
To CRT
150Ω 150Ω 150Ω
1% 1% 1%
DAC V DAC V
SS SS

Figure 5-2 External Circuitry for CRT Interface

EPSON
5: PINS
OR DAC V = 2.7V to 5.5V
DD
1µF
4.6mA
V+
R LM334
V-
29Ω
1%
1N457
290Ω
1%
DAC V
DAC V
SS SS
1-23