Hameg HM303-6, Service Manual

Page: 13 / 66

13
Subject to change without notice
Interconnections between:
YP-Board (J2006) and FC-Board (J7003)
Direction Pin Name
1 GND
<-- 2 CH_1/2
<-- 3 ADD
<-- 4 DUAL
<-- 5 ALT/CHOP
<-- 6 ¯TR_EX¯
<-- 7 ¯ALT_TRIG¯
8 GND
<-- 9 Y2_POS
<-- 10 Y2/100
<-- 11 Y2/10
<-- 12 Y2/2
<-- 13 Y2/1
<-- 14 Y2x5
<-- 15 Y2_VAR
16 GND
<-- 17 Y1_POS
<-- 18 Y1/100
<-- 19 Y1/10
<-- 20 Y1/2
<-- 21 Y1/1
<-- 22 Y1x5
<-- 23 Y1_VAR
--> 24 -6V
--> 25 +5V
--> 26 +12V
YP- Board (J2007) and TB- Board (J4007)
Direction Pin Name
--> 1 ¯CT¯
--> 2 ¯XY¯
--> 3 CHBL
--> 4 ¯ALT_TRG¯
5 GND
<-- 6 AMP
YP-Board (J2004) and MB-Board (P4003)
Direction Pin Name
1 GND
--> 2 SY_1
--> 3 SY_2
4 GND
YP-Board (J2008) and XY-Board (W9003)
Direction Pin Name
<-- 1 +5V
<-- 2 +12V
<-- 3 -6V
YP-Board (J2003) and XY-Board (W9005)
Direction Pin Name
-> 1 no name (Y signal
to Y fi nal amplifi er)
2 GND
--> 3 no name (Y signal
to Y fi nal amplifi er)
FC-Board (J7004) and TB-Board (P4002)
Direction Pin Name
--> 1 LEVEL
--> 2 LL_P
--> 3 LL_N
--> 4 SLOPE_P/¯N¯
--> 5 DC_ON
--> 6 TV_ON
--> 7 LF_ON
--> 8 TRIG_AT/¯N¯
--> 9 AC_ON
--> 10 TR_LED
--> 11 ¯SR1¯
--> 12 SR2
--> 13 ¯LINE¯
--> 14 ¯SR5¯
--> 15 ¯XY¯
--> 16 ¯SR10¯
--> 17 ¯SC2¯
--> 18 ¯SH0¯
--> 19 ¯SC3¯
--> 20 T_VAR
--> 21 ¯X_MAG¯
--> 22 HOFF_VAR
--> 23 nc
--> 24 X_POS
--> 25 FOCUS
--> 26 INT_S
YX-Board (W9001) and TB-Board (P4006)
Direction Pin Name
<-- 1 +5V
<-- 2 LINE_TR
<-- 3 +12V
<-- 4 -CT_V
<-- 5 -6V
6 GND
XY-Board (W9004) and TB-Board (P4005)
Direction Pin Name
<-- 1 XY_X
<-- 2 ¯XY¯
<-- 3 XPOS
<-- 4 ¯CT¯
<-- 5 AS_X
<-- 6 ¯XMAG¯
XY-Board (P9003) and CR-Board (W6001)
Direction Pin Name
--> 1 no name (to X plate 1,
CRT)
<-- 2 nc
<-- 3 +146V (YDV)
<-- 4 +175V (XDV)
<-- 5 nc
--> 6 no name (to X plate 2,
CRT)
TB-Board (P9004) and CR-Board (W6002)
Direction Pin Name
--> 1 +12V
--> 2 Blank
3 GND
--> 4 FOC_CTRL
PS-Board (J1009) and CR-Board (W6003)
Direction Pin Name
--> 1 HT-2
--> 2 HT-1
--> 3 -2kV
--> 4 FOCUS
PS-Board (J1008) and CR-Board (W6004)
Direction Pin Name
1 50V
--> 2 PUMP_VOL
3 GND
XY-Board (W9002) and PS-Board (J1002)
Direction Pin Name
<-- 1 +175V
<-- 2 +146V
3 GND
<-- 4 +5.2V
<-- 5 LINE_TR
<-- 6 +12V
<-- 7 CT_V
<-- 8 -6V
P C B I n t e r c o n n e c t i o n s