Table 3-1. Control Board Test Connector, A2J7

PIN NO.

 

SIGNAL NAME

Vdc

WAVEFORM/CONDITIONS

SOURCE

Digital-Circuits Bias & Reference Voltages

 

 

 

24

+5V

5.0

 

A2Q9 (emitter)

22

+ 20V(5V UNREG)

20.0

with 120Hz & 40KHz ripple

A1CR2, A1CR5

14

2.5V ref

2.50

 

A2U7 (OUT)

6

0.5V ref

0.50

 

A2R84,A2R85, A2R24

Analog-Circuits Bias Voltages

 

 

 

2

+ 15V

15.0

 

A2U11 (OUT)

21

- 15V

-15.0

 

A2U12 (OUT )

Status Signals

 

 

 

 

 

 

17

 

 

 

 

 

TTL Lo

if in CV operation

A2Q2 (collector)

 

CV

16

 

 

 

 

TTL Lo

if in CC operation

A2Q1 (collector)

 

CC

13

 

 

 

 

TTL Hi

if not OVP shutdown

A2U15-13

 

OV

11

 

 

 

TTL Hi

if ac mains okay

A2U15-10

 

DROPOUT

12

 

 

 

TTL Hi

if not overtemp shutdown

A4TS1,A5TS1

 

OT

Control Signals

25PWM OFF

26PWM ON

18

Ip MONITOR

15DOWN PROGRAM

7OVP PROGRAM

19PCLR

 

10∝s TTL pulses, 20KHz

A2U16-5

 

1.7∝s TTL pulses, 20KHz

A2U15-1

 

½ sawtooth, 20KHz

A2CR27 (cathode)

TTL Hi (6010A, 6015A)

while not down programming

A2CR17, CR31(anode)

1.2-3.0 (6011A, 6012B)

 

 

1/100 OVP (6010A)

e.g.: 2Vdc if OVP set to 200

A3R97 (wiper)

1/10 OVP (6011A)

voltage output (6010A)

 

1/30 OVP (6012B)

 

 

1/100 OVP (6015A)

 

 

TTL Hi

if +5V bias OK

A2UQ11-4

Commons & Current-Monitor

 

 

 

4

L COMMON

 

common return for all bias

 

 

 

 

voltages, and status and control

 

 

 

 

signals

 

9

M COMMON

0.0

common return for 2.5V ref.

 

10

I-TEST

 

and 0.5V ref.

 

≈0.0017 ( Iout)

inboard-side monitoring res.

A1R11

 

 

 

 

AlR13 (6011A))

3

NOT USED

 

 

 

20

Ip-SET

≈0.9

 

A2R25 wiper

28

Page 28
Image 28
Agilent Technologies 6010a, 6011A, 6012B, 6015A service manual Control Board Test Connector, A2J7, Vdc

6015A, 6012B, 6011A, 6010a specifications

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