Sony BVM-14E1E - Page 155

I PA I (HIGH VOLTAGE SUPPLY) I PC I (F.B.T)
I C I (CRT SOCKET)
I PA, PC, C
_________ __J
PA,PC,C
PA BOARD
SEMICONDUCTOR LOCATION
- PA BOARD - <Conductor Side>
I
IC
0107
C-3
0201
D-3
0203
C-3
IC401 0-3
0204 E-3
IC501
8-2
IC502
C-1
0205
E-3
IC801
8-2
0301 8-3
IC901
A-1
0321
8-3
0322 A-4
TRANSISTOR
0401 E-2
0501
8-1
0502 8-1
0101
C-4
0505 C-1
0102
8-3
0511
C-1
0103
C-3
0512
C-1
0104
C-4
0105 D-4
0513
C-1
0107 D-3
0514 8-1
0108 D-3
0516
C-2
0109
D-3
0517 C-2
0111
8-3
0518
C-2
0112
8-3
0519 C-1
0521
A-2
0113
C-3
0801
8-1
0201 E-3
0802
C-1
0202 E-3
0901
A-2
0301 A-3
0302. A-3
0902 A-2
0303 A-3
0304 8-2
0305 8-3
VARIABLE
0321
8-4
RESISTOR
0322
A-4
RV501 8-1
0401 E-2
RV502
C-1
RV503 C-1
DIODE
TEST POINT
0101
C-4
0102 8-4
TP501 8-1
0103
C-3
0104 D-3
TP502 8-1
0105 8-2
-
TP503 8-1
0106
8-3
TP504 D-3
E
• PA BOARD Waveforms
1JU1_1LA_Ju
@20 Inch
0.8 Vp-p ( H) 510 Vp-p ( H
2
Vp-p ( V
G:)14 Inch (±)20 inch G) 14 Inch
ff?~~)
@) 0 0
YN nn_ DC
2.9Vp-p( V l 2.9Vp-p( H l 850Vp-p( V)
5-99
3
l'lll1C!U fJ201 ;JI
-" 91 , ~
i;;l-@ :/:!-clflt*'
R207 I
~-f;!i
• C BOARD Waveforms
0
0
4
nJulMl
JlJlil
38Vp-pJH l 49Vp-piHl
0
__!ULA
21Vp-p1Hl
,------.-,
(2)
~111•
J5Vp·plH!
: Pattern from the side which enables seeing.
: Pattern of the rear side.
- PC BOARD - <Conductor Side>
+B
i l I I I
0
CZ - Cl
l
r-·
1-657-328-12
L-,
--______ ....;__.:..,__...;__,/
- C BOARD - <Conductor Side>
~
r - . •
NOTE:
The circuit indic_ated as left contains high voltage of over
600 Vp-p. Care must
be paid to prevent an electric shock in
inspection or repairing.
5-100