Circuit Boards Location; Printed Wiring Boards And Schematic Diagrams - Sony FDL-PT22/JE Service Manual

4-2. CIRCUIT BOARDS LOCATION

B
A
T
4-3. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
Note: Reference information
• All capacitors are in F unless otherwise noted. pF : F 50WV or less are not RESISTOR : RN METAL FILM
indicated except for electrolytics and tantalums. : RC SOLID
• All electrolytics are in 50V unless otherwise specified. : FPRD NONFLAMMABLE CARBON
• All resistors are in ohms. : FUSE NONFLAMMABLE FUSIBLE
k =1000 , M =1000k : RW NONFLAMMABLE WIREWOUND
• Indication of resistance, which dose not have one for rating electrical power, is : RS NONFLAMMABLE METAL OXIDE
as follows. : RB NONFLAMMABLE CEMENT
Pitch : 5mm : ADJUSTMENT RESISTOR
Rating electrical power : 1 / W (CHIP : 1 / W)
4 COIL : LF-8L MICRO INDUCTOR
10
• : internal component.
CAPACITOR : TA TANTALUM
• : panel designation and adjustment for repair. : PS STYROL
• All variable and adjustable resistors have characteristic curve B, unless other- : PP POLYPROPYLENE
wise noted. : PT MYLAR
• As to the voltage volue shown by the semiconductors on the Shematic Dia- : MPS METALIZED POLYESTER
gram, see the another list
: MPP METALIZED POLYPROPYLENE
• Readings are taken with a color-bar signal input. : ALB BIPOLAR
• Readings are taken with a 10M digital multimeter. : ALT HIGH TEMPERATURE
• Voltages are dc with respect to ground unless otherwise noted. : ALR HIGH RIPPLE
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
Note: The components identified by shading and mark ¡
* : Measurement impossibillity.
v are critical for safety. Replace only with part number
• : B+line.
specified.
• : signal path.
• Circled numbers are waveform references.
– 15 –
Terminal name of semiconductors in silk screen
printed circuit ( )
T BOARD IC VOLTAGE LIST
Device Printed symbol Terminal name Circuit
Pin Volt Pin Volt
Collector
1 IC001 1 2.7 20 2.2
Transistor
Base Emitter 2 0 21 2.9
3 0.3 22 0.8
Collector
2
Transistor 4 0.5 23 2.1
Base Emitter
5 2.5 24 2.1
3 Cathode 6 2.5 25 -
Diode
Anode 7 2.5 26 1.7
8 4.3 27 3.8
Cathode
4
Diode 9 - 28 0
Anode (NC)
10 0.7 29 GND
Cathode
11 2.5 30 0
5
Diode
Anode (NC) 12 0 31 0
13 0.3 32 0
Common
6
Diode 14 0.0 IC201 1 3.4
Anode Cathode
15 3.7 2 3.4
Common 16 - 3 1.6
7 Diode
17 - 4 3.3
Anode Cathode
18 0 5 4.2
Common
8
Diode 19 2.2 6 3.4
Anode Anode
All voltage are in V.
Common
9
Diode
Anode Anode
Common
T BOARD TRANSISTOR
0
Diode
Cathode Cathode VOLTAGE LIST
Common
B C E
!¡
Diode
Cathode Cathode Q003 0 3.7 GND
Q004 3.7 0.7 4.3
Anode Cathode
!™
Diode Anode Anode
Q007 2.6 0.5 4.3
Anode
Cathode
Q201 1.0 4.2 0.3
Source
Transistor Q202 1.9 GND 2.6
!£ Drain
(FET) Gate D D
Q203 0 3.5 GND
G G
1 2 3 4 5 6
Transistor Source
!¢ S S
Drain
Q002 0 1.7 2.2 29.5 1.7 2.2
(FET) Gate
Q006 1.2 1.2 GND 0 0 GND
D D
Source
!∞ Transistor
Drain G G All voltage are in V.
(FET) Gate
S S
Emitter
!§ Collector
Transistor
Base
C1 C2
!¶ C2 B1 E1
Transistor B1 B2
E2 B2 C1
E1 E2
C1 B2 E2
!• Transistor
C1 C2
E1 B1 C2
B1 B2
!ª C1 B2 E2 E1 E2
Transistor
E1 B1 C2
E1 E2
C1 B2 E2
@º Transistor B1 B2
E1 B1 C2
C1 C2
C1(B2) C2
E2 B1 E1
@¡ Transistor
B1
C2 C1(B2)
E2 E2
(B2) E1(B2) E2
B1 E1 E2
@™ Transistor B1
C1 C2
C1 C2
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
– 16 –
1 2 3 4 5
A
J101
TU101
TEPA5
G
B
Pin Volt
7 3.4
8 GND
9 4.3
R111
10 1.6 22
:CHIP
11 1.6
12 GND
C
13 1.8
14 3.5
15 2.1
16 1.5
17 2.4
18 2.0
19 1.9
20 1.9
D
21 3.4
22 3.4
4.5V
23 0.4
24 1.7
R012 R001
330k 100k
R031
:CHIP :CHIP
82k
:CHIP
C011 C001 C002
4.7 47
- : Not used 10
25V 6.3V
16V Q004
:7L :7L
E :7L UN2110-TX
D001
MA152WK-TX
RV001
47k
:CHIP
2
ULOW
BRT VCC
RV002 3
F UP UH
47k
:CHIP C003
VHP SUD
560p
VLOW
CH:CHIP
1
VLP IC001 AFC
AN5707NFAP
CON HSYNC
UA H.P
R002
2
100k VHA M.M
:CHIP
VLA FH
R030 R003
RV004
G VHI 0
100k 68k
:CHIP
:CHIP :CHIP
Q001
2SB709A-R
R005
R004
150k
30V 47k
:CHIP
:CHIP
4 1
Q002
XN4601
6 2
H
R008
270k
:RN-CP 5 3
R009
C018 C012
33k R011
1 1
:RN-CP 10k
16V 16V
F:CHIP :CHIP
F:CHIP
I R019
270k 30V
:CHIP
4.5V
R022
R024
47k
:CHIP 47k
:CHIP
4 1
5 2
R020 Q006
470k XN4215
6 3
:CHIP
J
– 17 –
6 7 8 9 10 11
IF
4.5V
C234
0.01
B:CHIP
Q007
UN211D-TX C235 R242
470
0.001
B:CHIP :CHIP R241
T201 T202 180k
T :CHIP
Q003 45.75MHZ 45.75MHZ
UN2210-TX
IF
AFT
C016 LLD
0.1
25V
6 1
F:CHIP ELECTRONIC TUNER
2
VIF,SIF
4 3
R029
470
R021 :CHIP
C207
100k
:CHIP 10p
CH:CHIP
R215
C005 R214 4.5V C208
Q201 10
0.01 1k 2p
:CHIP 4.5V
B:CHIP 2SC3837KT146Q :CHIP CK:CHIP
1 3
R013 L205
56k :CHIP 0.82µH SWF201
IF R243
R216 :FR-CP TSF1226L 24 23 22 21 20 19
C021 R218 1.2k 22k
R014
0.01 68 :CHIP :CHIP
39k
B:CHIP :CHIP C209
:CHIP
0.01
C006
B:CHIP 1 2
R016 0.1 I O
39k 25V SWF
:CHIP F:CHIP 3 G O 4
M51348AFP
R010
C014 C004 C210 R219 R220 C211
2.2
0.1 25V F:CHIP 47 0.01 390 47 0.01
:CHIP
6.3V B:CHIP :CHIP :CHIP B:CHIP
1 2 3 4 5 6
:7L
C007
IF
0.001 B:CHIP
IF
R018
R017
18k :CHIP 100k R222 C215
:CHIP 8.2k 47
:CHIP 6.3V
C008
:7L
0.47
25V
F:CHIP
C222
10
16V
:7L R223
1k
:CHIP
R226
R225
2.2k
3.9k
C223 :CHIP
:CHIP
1
4.5V
C224 R230
4.5V 0.01 C219 10
1
B:CHIP :CHIP
12 13 14 15
CN201
12P
R032
2.2k 1 D.GND
:CHIP
2 VHF
3 H.P
4.5V
4
C015
100p 5 AUDIO
AUDIO
CH:CHIP
6 30V
7 H.SYNC
8 IND
VIDEO
9 VIDEO
A.GND
A.GND
10
L201
15µH C202 R201
11 UP DOWN SW
:FR-CP 0.01 680
B:CHIP :CHIP
R202 12 UB
270
VIDEO VIDEO
:CHIP
1 2
R240 Q202
CF201 10k 2SB709A-R
TPS4.5MC 3 :CHIP
3 C204
0.001
B:CHIP
1 2 C205
10
R208
16V
680 :CHIP
:7L
R228
10k
:CHIP
18 17 16 15 14 13
IC201
7 8 9 10 11 12
SIF C213
0.01
B:CHIP
C236
22
6.3V
2 1
IF :7L
3
R224
1.5k
C218
:CHIP
0.01
B:CHIP
RV201
1k
:CHIP
R229
10k
:CHIP
R231
10
:CHIP
30V
B-¥SS823.<U..>-T..
– 18 –