Schematic Diagrams And Printed Wiring Boards - Sony KV-EF29M31 Service Manual

KV-EF29M31/EF29M61/EF29M80/
RM-881
EF29M90/EF29M91EF29M80/
RM-881
6-2. CIRCUIT BOARD LOCATION
S1
V3
C1
B3
H7
VM
A5
P3
P4
A3
J
A
D
D2
DH
– 54 –
KV-EF29M31/EF29M61/EF29M80/ KV-EF29M31/EF29M61/EF29M80/
RM-881
EF29M90/EF29M91EF29M80/ EF29M90/EF29M91EF29M80/
RM-881

6-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS

Terminal name of semiconductors in silk screen
Note:
printed circuit ( )
• All capacitors are in µF unless otherwise noted. (pF: µµF) *
Capacitors without voltage indication are all 50 V. Device Printed symbol Terminal name Circuit
• Indication of resistance, which does not have one for rating
Collector
1
Transistor
electrical power, is as follows.
Base Emitter
Collector
Pitch: 5 mm
2 Transistor
Rating electrical power 1/4 W (CHIP : 1/10 W)
Base Emitter
• All resistors are in ohms. 3 Cathode
Diode
f
Anode
• : nonflammable resistor.
Ï
• : fusible resistor. Cathode
4
Diode
• ¢ : internal component. (NC)
Anode
p
• : panel designation, and adjustment for repair. Cathode
5
Diode
• All variable and adjustable resistors have characteristic curve B, Anode (NC)
unless otherwise noted.
e Common
• : earth-ground. 6 Diode
E
Anode Cathode
• : earth-chassis.
Common
• All voltages are in V. 7
Diode
• Readings are taken with a 10 M digital multimeter. Anode Cathode
Common
• Readings are taken with a color-bar signal input.
8
Diode
• Voltage variations may be noted due to normal production Anode Anode
tolerances.
Common
9
• : Can not be measured. Diode
*
Anode Anode
• NO MARK: PAL
Common
0
• < > : SECAM Diode
Cathode Cathode
• ( ) : NTSC 3.58 MHz
• Circled numbers are waveform references. Common
!¡
s Diode
• : B + bus. Cathode Cathode
S
• : B – bus. Anode Cathode
!™
÷ Diode Anode Anode
• : Signal path.
Cathode Anode
Transistor Source
Reference information !£ Drain
(FET) Gate D D
RESISTOR : RN METAL FILM
G G
Transistor Source
: RC SOLID !¢ S S
Drain
(FET) Gate
: FPRD NONFLAMMABLE CARBON
D D
Source
: FUSE NONFLAMMABLE FUSIBLE !∞ Transistor
Drain G G
: RW NONFLAMMABLE WIREWOUND (FET) Gate
S S
: RS NONFLAMMABLE METAL OXIDE Emitter
!§
Transistor Collector
: RB NONFLAMMABLE CEMENT Base
COIL : LF-8L MICRO INDUCTOR
C1 C2
!¶ C2 B1 E1
CAPACITOR : TA TANTALUM Transistor B1 B2
E2 B2 C1
E1 E2
: PS STYROL
!• C1 B2 E2
: PP POLYPROPYLENE Transistor
C1 C2
E1 B1 C2
: PT MYLAR
B1 B2
: MPS METALIZED POLYESTER C1 B2 E2
!ª Transistor E1 E2
: MPP METALIZED POLYPROPYLENE E1 B1 C2
E1 E2
: ALB BIPOLAR
@º C1 B2 E2
Transistor B1 B2
: ALT HIGH TEMPERATURE
E1 B1 C2
C1 C2
: ALR HIGH RIPPLE C1(B2) C2
E2 B1 E1
@¡ Transistor
B1
C2 C1(B2)
E2 E2
Note: The components identified by shading and mark (B2) E1(B2) E2
@™ B1 E1 E2
! are critical for safety. Replace only with part Transistor B1
C1 C2
C1 C2
number specified.
E1(B2) C2
(B2)
@£ E2 E1 B1
Transistor B1
C2 C1
C1 C2
– Discrete semiconductot
(Chip semiconductors that are not actually used are included.) Ver.1.5
– 55 –
RM-881
A
RM-881
MICON, YC/J,
AV SW
• A BOARD SEMICONDUCTOR LOCATION — A BOARD —
IC DIODE
*
IC001 B–9
IC002 C–8 D001 C–8
D002 C–10 3
IC003 C–9
D005 E–9
IC010 E–9
D101 A–7
IC080 E–2
D102 A–7
IC102 D–10
IC104 C–6 D103 A–3 3
IC201 D–9 D104 C–7 8
IC203 E–6 D105 C–7 3
IC205 C–4 D106 B–7 4
IC206 B–5 D107 C–6 4
IC301 D–2 D110 A–7 3
IC302 D–3 D111 B–7
IC351 B–6 D112 D–6 4
IC354 B–5 D117 C–6 4
IC1201 C–3 D118 C–7
IC1202 C–2 D210 E–8
D211 E–6 3
D212 E–7 3
D218 E–6 8
TRANSISTOR
D220 E–7
D301 A–7 3
*
D303 B–7 8
Q001 A–8 1 D352 B–6
Q030 C–10 1 D353 B–6
Q031 A–7 1 D1201 C–1
Q033 A–9 1 D1202 C–1
Q105 E–6 1 D1203 C–1
Q106 D–6 1 D1204 C–2
Q107 D–5 1 D1205 C–1
Q108 C–7 1 D1208 B–1
Q111 C–6 1 D1209 B–1
1
Q112 A–7 D1210 B–1
1
Q113 C–6 D1211 C–1
1
Q205 E–6 D1212 C–1
1
Q208 E–6 D1213 C–1
1
Q209 E–6 D1214 D–1
1
Q210 E–6 D1215 D–1
1
Q211 E–8 D1216 D–1
1
Q302 D–3 D1217 D–1
1
Q304 E–5 D1218 D–1
1
Q320 E–3 D1219 D–1
1
Q352 D–3 D1220 C–3
1
Q354 C–3
1
Q1201 B–3
CRYSTAL
1
Q1202 B–3
1
Q1203 C–3
Q1204 B–2 1 X101 B–10
Q1205 C–2 1 X102 C–5
Q1206 C–2 1 X103 B–5
Q1207 D–1 1 X104 D–6
Q1208 D–2 1
Q1209 D–2 1
* : Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 55)
– 56 –
KV-EF29M31/EF29M61/EF29M80/ KV-EF29M31/EF29M61/EF29M80/
RM-881 RM-881
EF29M90/EF29M91EF29M80/ EF29M90/EF29M91EF29M80/
RM-881 RM-881
– 57 – – 58 –