NEC MultiSync 4FGe, Service Manual

Page: 16 / 192

ADJUSTMENT CONTROLS LAYOUT
UR854 (2.85V ADJ)
cl
VR851 (0.96V ADJ)
c l
VR852 (OV ADJ)
UR403 (SIDEPIN)
VR401 ( V SuB HEIGHT) VR503 (H SIZE)
c l
VR402 (V LINER)
VR431 ( P A R A L L E L O ADJ)
VR404 (TRAP
ADJ
)
U N I T PWB ASSY(PWB-366B)
UNIT PWB ASSY(PWB-366A)
(DISTORTION UNIT)
(H OSC UNIT)
VR551 (6V ADJ)
VR505 (HV ADJ)
UNIT 2 (HV PRORECTOR)
M A I N P W B A S S Y ( P W E - 3 6 5 )
TP-AUTO
TEST PIN ASSIGNMENT
01 0 3 0 5 0 7 09 0 0 0 0 17
02 0 4 0 6 08 0100 0 0 0 18
PIN NO
1 MEMORY RECALL 10 N C
2 AUTO ADJUSTMENT PULSE OUT 11 CONTROL DOWN
CONTROL SELECT O(H S)
12 USER LEVEL ID
TEST POINT TP-3 13 CONTROL UP
5 CONTROL SELECT
l(H P) 14
COLOR N
TEST POINT TP-2 15 +5v
CONTROL SELECT 2(V S) 16 COLOR 1
8 TEST POINT TP-1 17 GND
9 CONTROL SELECT 3(V P) 18 COLOR 2
8
7 6 5 4 3 2 1
TP-A
0 0 0 0 0 0 0 0 0 0 0
PIN NO
TEST POINT TP-1
TEST POINT TP-2
7
H V PROTECTOR (10)
8 H V PROTECTOR (8)
3 + 5v 9 H SYNC OFF
4 T E S T POINT TP-3 10 Ov ADJ
H V PROTECTOR (9)
H V PROTECTOR (7)
11
GND
6 5 4 3 2 1
TP-B
0 0 0 0 0 0
PIN NO
GND
2.85v ADJ
3 5.14v ADJ
VERTICAL HEIGHT)
6 CUT OFF (FAINT ADJUST)
15
TP AUTO
-TP-A
VR502(H HOLD 2)
VR501(H HOLD 1)
_--FOCUS,
-SCREEN