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Schematic Diagrams/printed Wiring Boards; G Board - Sony TRINITRON PVM-8042Q Service Manual

S mic chassis color video monitor.
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10-2. SCHEMATIC DIAGRAMS/PRINTED WIRING BOARDS

1
Note:
All capacitors are in µF unless otherwise noted.
.
PF: 50 WV or less are not indicated except for electorlytics.
.
All electrolytics are in 50 V unless otherwise specified.
.
All resistors are in ohms, 1/4 W in resistance, 1/10 W in chip
resistance.
kZ = 100, MZ = 1000 kZ
.
: nonflammable resistor.
¢
.
: internal component.
.
: panel designation, or adjustment for repair.
.
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
.
The "4-1. +B Voltage Check" and "4-2. Protection Circuit (Hold-down
2
circuit) Check" should always be performed when replacing the
following components (marked
on the schematic diagram).
Board
Parts
D
C519, C843, C844, C845, C846,
RV833, RV1603
C847, C848, C1601, C1602,
D835, D836, D1601, D1603,
IC502,
Q833,
Q834,
Q835,
Q836, Q1601, Q1602, Q1603,
R523, R850, R851, R852, R853,
R854, R855, R856, R857, R858,
R859, R860, R861, R862, R863,
3
R1601, R1602, R1603, R1604,
R1605, R1606, R1607, R1608,
R1628, R1629, R1630, RV833,
RV1601, RV1603
G
C654, IC601, IC651, PH601,
RV651
R653, R655, R656, R657, RV651
P
C814, NL801, T802 (FBT)
.
Readings are taken with a color-bar signal input.
no mark
: With PAL color-ber signal receved or common voltage.
(
)
: With SECAM color-ber signal receved.
4
<
> : With NTSC (3.58, 4.43) color-ber signal receved.
.
Readings are taken with a 10 MZ digital multimeter.
.
Voltage are dc with respect to ground unless otherwise noted.
.
Voltage variations may be noted due to normal production
tolerances.
.
All voltages are in V.
.
Circled numbers are waveform reference.
.
: B+ bus.
V
.
: B_ bus.
V
.
: signal path.
.
: Measurement impossibility.
*
5
A
B
!
The components identified by mark
are critical for safety.
Replace only with part number specified.
!
Les composants identifies par une marque
sont critiques
pour la securite. Ne les remplacer que par une piece portant
le numero specifie.
Reference information
RESISTOR
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
Parts
: RW NONFLAMMABLE WIREWOUND
COIL
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
C
G
G

G BOARD

CN610
3P
:MINI
AC OUT
1
L601
2
AC OUT
3
TO FA BOARD CN602
C604
1000p
400V
C608
4700p
C609
4700p
G
(SWITCHING REGULATOR)
10-4
10-4
D
E
R652
100
2W
R601
R602
C611
R613
1.5
1.5
0.033
100k
T601
+40V
5W
5W
630V
2W
6
C603
R607
D601
D602
D603
1000p
R603
R605
270k
R609
400V
D3SB60
100k
22
1SS119
1/2W
100k
ERA38
C610
2W
2W
L602
100
R608
Q601
8
400V
R604
270k
2SK1402A
100k
1/2W
REG OUT
2W
C602
2.4
R606
0.22µ
R610
82
0
250V
0.22
1/2W
C605
R611
1000p
15
4
400V
D605
C613
0.22
C616
RD20
-46.2
4700p
2
D604
R614
C612
R612
C614
IC601
220
47
ERA38
33
0.22
CH-1018
OVP
POWER CONT
NC
V
CC
OUT
OCP
1
6
5
4
7
1
PH601
-58.6
PS2652
-63.8
-63.6
R620
8.2M
C
V
CC
2200P
1W
2200P
E
OUT
OCP
1K
100K
22
C615
3
E
GND
1000p
-63.7
OVP T
off
18K
F/B
CF
300P
DET Ton
SOFT
F/B
22K
2200P 2200P
22K
2
-57.0
8
9
GND
-55.0
-63.7
F
G
G
-B SIDE-
SUFFIX: -12
R651
100 2W
C651
220p
500V
10
D201
L651
CN651
ESAC39M
10µH
11
3P
L652
C652
C653
1
+40A
680
220
2
3
E
TO D(2/2) BOARD CN505
12
13
R653
4.7k
1/2W
R655
C654
R656
33k
0.01
33k
R658
33k
R654
RV651
IC651
4.7k
1k
1/2W
TL431
R657
1.8k
B-¥SV9605<U/C>-G
S
MIC
Chassis
H

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