Sony KP 48V85, Руководство по обслуживанию

Страница: 61 / 106

– 71 – – 72 – – 73 – – 74 –
6-3. CIRCUIT BOARDS LOCATION
6-4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
Note:
• Capacitors without voltage indication are all 50V.
• All resistors are in ohms.
k
Ω
=1000
Ω
, M
Ω
=1000k
Ω
• Indication of resistance, which dose not have one for rating electrical power, is
as follows.
Pitch : 5mm
Rating electrical power : 1 /
4
W
• : nonflammable resistor.
• : fusible resistor.
• : internal component.
• : panel designation and adjustment for repair.
• All variable and adjustable resistors have characteristic curve B, unless otherwise
noted.
• : earth-chassis.
• The components identified by in this basic schematic diagram have been
carefully factory-selected for each set in order to satisfy regulations regarding
X-ray radiation.
Should replacement be required, replace only with the value originally used.
• When replacing components identified by , make the necessary adjustments
indicated. If results do not meet the specified value, change the component
identified by
and repeat the adjustment until the specified value is achieved.
(Refer to R536,R545 and C517 adjustment on Page 51 – 52.)
• When replacing the part in below table, be sure to perform the related adjustment.
• Readings are taken with a color-bar signal input.
• Readings are taken with a 10M
Ω
digital multimeter.
• Voltages are dc with respect to ground unless otherwise noted.
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
* : Measurement impossibillity.
• Circled numbers are waveform references.
• : B+ bus.
• : B– bus.
• : signal path.(RF)
Reference information
RESISTOR
: RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
: ADJUSTMENT RESISTOR
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
HV HOLD-DOWN
(R536, R545)
HV Regurator
(C517)
Adjustment ( ) Part replaced ( )
C517, C521, C522, IC654, L504, T502,
T504, DY, A board, G board
C516, C536, D506, D507, D522, IC206,
IC502, IC654, L504, R511, R522, R536,
R538, R545, R548, R584, T502, T504,
DY, A board, G board
Note: The symbol display is on the component slde.
The components identified by shading and mark
are critical for safety. Replace only with part number
specified.
The symbol indicate fast operating fuse.
Replace only with fuse of same rating as maked.
Note: Les composants identifiés per un tramé et une marque
sont critiques pour la sécurité. Ne les remplacer
que par une piéce portant le numéro spécifié.
Le symbole indique une fusible a action rapide.
Doit etre remplacee par une fusible de meme yaleur,
comme maque.
S
HC
HA
CG
CR
HB
G
A
U
CB
G
D
S
B1 E1 C2
B2 C1 E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2 C1
B1 C2 E1
B2 E2 C1
B1 C2 E1
B2 E2 C1
B1 C2 E1
!ª
B1 E1 E2
C1(B2) C2
@º
B1 E2
C1 C2
@™
@£
(B2)
E1
(B2)
E1
E2 B1
C2 C1
@¡
B1
E1
C2
B2
C1
E2
G
S S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2 C1(B2)
E2
B1
C1
C2 E1(B2)
C2
B1
C1
E2 E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode Cathode
Common
Cathode Cathode
Common
Common
Common
Common
Cathode
Anode
Base Emitter
Collector
Base Emitter
Collector
Drain
Gate
Gate
Drain
Device Printed symbol Terminal name Circuit
Anode
Anode
Anode Cathode
Anode Anode
Cathode
!£
Transistor
(FET)
Transistor
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
Terminal name of semiconductors in silk screen
printed circuit (
*
)
6-2. FRAME SCHEMATIC DIAGRAM
H V
G 2 ( R ) G 2 ( G ) G 2 ( B )
F V ( R ) F V ( G ) F V ( B )
D E T
D F
E ( H V )
H V ( B )
H V ( G )
H V ( R )
M V
M V
T O H V B L O C K
G 2
T O A : C N 0 0 1
T O C R T - G N D- G N D
T O C R T - G N D
T O C R T - G N D
T O D Y ( B )
T O D Y ( G ) T O D Y ( R )
135
V
V
M
E
T O A : C N 0 0 2
T O H A : C N 1 2 0 2
T O A : C N 6 8 1 T O A : C N 4 0 2 T O A : C N 2 0 2 T O A : C N 8 0 1
T O C G : C N 1 3 0 1
T O C G : C N 1 3 0 2
T O F O C U S B L O C K
T O C G : C N 7 3 2
T O C R : C N 7 0 1 T O A : C N 2 0 3
G2
T O C B : C N 7 6 1
B E 9
V
E E G E R
T O A : C N 2 0 4
T O C B : C N 7 6 2
T O C R : C N 7 0 2
T O G : C N 5 0 3
T O H A : C N 1 2 0 1
T O H B : C N 1 2 5 2
T O A : C N 4 0 1
T O A : C N 2 0 1
T O A : C N 0 0 4
T O G : C N 6 0 5 T O G : C N 5 0 1 T O G : C N 1 5 0 2
T O S P E A K E R
T O G : C N 6 5 1
T O A N T S W
T O C G : C N 7 3 4
T O G : C N 5 0 6 T O G : C N 1 5 0 3 T O G : C N 1 5 0 6
T O G : C N 1 5 0 4 T O G : C N 1 5 0 7
T O G : C N 5 0 4 T O G : C N 1 5 0 5 T O G : C N 1 5 0 8
G2
T O C G : C N 7 3 1
T O U : C N 1 7 0 1
T O U : C N 1 9 0 1
T O U : C N 1 7 0 2
IKR 9V E R
T O C G : C N 7 3 5
IKR
9V
E R
T O C G : C N 7 3 3
T O C G : C N 7 3 6
T O C G : C N 1 3 0 3
H V
H V . R E G
T O A : C N 8 0 2
T O C G : C N 1 3 0 4
T O G : C N 6 5 3
T O U : C N 1 7 0 3
T O D Y ( B ) T O D Y ( G ) T O D Y ( R ) T O D Y ( B ) T O D Y ( R ) T O D Y ( G )
T O H B : C N 1 2 5 3
T O D Y ( R ) T O D Y ( B ) T O D Y ( G )
E
N C
E
N C
C E N T E R S P -
C E N T E R S P +
C E N T E R S P -
C E N T E R S P +
V.D
RIVE(-)
)
E
E
C O M B C
E
S U B C
S U B Y
E
S C L
S D A
9 V
9 V
E
Y - M U T E
P - M U T E
E
A U R
A U L
E
T V - M U T E
N C
E
E
E
F R O N T S W
E
E
F R Y
F R C
F R V
F R L
F R R
P - M U T E
T V - M U T E
Y - M U T E
E
9 V
9 V
S D A
S C L
E
S U B Y
S U B C
E
E
C O M B C
E
A U L
E
A U R
E
N C
E
E
E
M A I N C
E
S T U V
S T U A U
M T U L
M T U V
E
M T U R
E
E
E
M A I N V / Y
M A I N V
M U V S W
M A I N U
E
E
E
M A I N C
E
S T U V
S T U A U
M T U L
M T U V
E
M T U R
E
E
E
M A I N V / Y
M A I N V
M U V S W
M A I N U
E
E
E
V A R I L
E
S - O U T
E
E
S - L I N K 4
S - L I N K 3
S - L I N K 1
S T A T U S
R M - I N
S T B Y 5 V
V A R I R
S U V S W
S U B U
S U B V
E
E
E
V A R I L
E
S - O U T
E
E
S - L I N K 4
S - L I N K 3
S - L I N K 1
S T A T U S
R M - I N
S T B Y 5 V
V A R I R
S U V S W
S U B U
S U B V
A C ( W )
A C ( L )
R-H(+) NC NC R-H(-) NC NC G-H
(+)
G-H(-) NC NC B-H(+) B-H(-) HR
OUT
HR RET VR OUT VR RET HG
OUT
HG R
ET
VG O
UT
VG R
ET
HB OUT HB RET VB OUT VB RET RV DEF RV MID RV RET GV
D
EF
GV M
ID
GV R
ET
BV DE
F
BV M
ID
BV RET
H ( + )
H ( - )
N C
N C
N C
2 0 0 V
N C
B / S
R / S
E
E 135V NC 11V R
ELAY
E S
TBY 5V
OVP OC
P
E R
H
RV E GH GV E BH BV E E AUDIO
(-)
AUDIO(+) E +5V -5V V.DRIVE(-)
)
V.DRIVE(+) E E VP REGI MUTE V.BLK D FOCUS ABL HV PROT PIN E HP E HD
E
E
E
B
G
R
9 V
REGI M
UTE
V.BLK
D
FO
CUS
ABL
HV PROT
PIN
E
HP
E
H
D
AUDIO(-) AUDIO(+)
E
+5V -5V
V.DR
IVE(+)
E E
VP
E
R
H
RV
GH
GV BH BV
E E E E
135V
NC
11V
R
EL
AY
E
OVP OCP
E
STB 5V
( A S - 2 F )
ANT SW 2 E ANT SW 1 9V
D F
G 2
R 5 6 1
R 5 6 1
E
+ B I N
+ B O U T
E
H V . R E G
1 3 5 V
N C
9 V
E
V M
E
E
E
L E F T
U P P E R
L O W E R
E
R I G H T
E
A N T S W 2
E
A N T S W 1
9 V
S T D B Y 5 V
S T D B Y 5 V
E
I K
E E L R E
SIRC
S
NC NC
B
B INT
B DAT
B CLK PSDA PSCL
G
E
F R O N T S W
R - T L - T
E
E
+ - + -
T W E E T E R
W O O F E R W O O F E R
T W E E T E R
M E N U K E Y E
F R R • O U T
F R L • O U T
F R V • O U T
F R Y • O U T
F R C • O U T
E
E
M E N U K E Y
S I R C S
E
F O C U S
B L O C K
H V B L O C K
SENSER NC E SENSER NC E
H ( - )
H ( + )
N C
N C
VM
E
NC 9V
E
H ( - )
H ( + )
N C
N C
B / S
N C
H ( - )
H ( + )
N C
N C
R / S
N C
B / S
E
H ( + )
N C
R / S
N C
E
H ( - )
N C
N C
N C
E
IKB E 9V E B
IKB
E
9V
E B
N C
E
N C
N C
N C
H ( - )
H ( + )
N C
E
N C
R / S
N C
B / S
VM
.OUT
VM
.RET
VM
.O
UT
VM.RET
V M A S S Y
5 3 V 8 5
6 1 V 8 5
4 8 V 8 5
5 3 V 8 5
6 1 V 8 5
4 8 V 8 5
5 3 V 8 5
6 1 V 8 5
4 8 V 8 5
V M A S S Y
V M A S S Y
IK
G2
V M . I N
V M . R E T
H V
DY(H)
SUB DY
DY(V)
H(M
ID)
H- H.IN V.IN V.RET
H.RET
V.DEF V.MID V.RET
VM
.IN
VM.RET
T O F O C U S B L O C K
2 0 0 V
T O F O C U S B L O C K
T O F O C U S B L O C K
T O F O C U S B L O C K
T O F O C U S B L O C K
T O F O C U S B L O C K
2 0 0 V
2 0 0 V
2 0 0 V
2 0 0 V
T O G B O A R D C N 5 0 5
VM.OUT
VM.RET
GND GND
GND
T O S : C N 3 0 0 1
ST BY
5V
E
SIRC
S
KEY
POWE
R
TIMER LED
E
MENU
E
ST BY 5V
T O H C B O A R D C N 1 2 9 1
T O H A B O A R D C N 1 2 0 3
C H E C K
F O R
E KEY POWER TIMER LED MENU KEY E
S T B Y 5 V
ST BY 5V
H+
V
M
DY(H)
SUB DY
DY(V)
H(M
ID)
H- H.IN V.IN V.RET H.RET V.DEF V.M
ID
V.RET
VM.IN VM.RET
H+
V
M
DY(H)
SUB DY
DY(V)
H(MID) H- H.IN V.IN V.RET H.RET V.DEF V.M
ID
V.RET
VM.IN VM.RET
H+
SENSER N
C
E SENSER NC E
V M . I N
V M . R E T
V M . I N
V M . R E T
H V
H V
)
F B T
+ - + -
S S S S
( I N / O U T S E L E C T )
H C
H B
L
L
R
R
H A
A N T S W
A
U
G
C R
C G
C B
D Y
( R )
D Y
( G )
D Y
( B )
CRT (R)
CRT (G)
CRT (B)
C N 1 2 0 2
C N 6 0 5 C N 1 5 0 2 C N 5 0 1
C N 5 0 3
C N 5 0 7
C N 5 0 2
R 5 4 5
:
∆
R
C N 1 5 0 1
C N 5 0 6 C N 5 0 4
C N 1 5 0 3 C N 1 5 0 4 C N 1 5 0 5 C N 1 5 0 6 C N 1 5 0 7 C N 1 5 0 8
C N 7 3 8
C N 7 4 0
C N 7 6 5
C N 1 2 9 1
C N 1 2 5 3
C N 1 2 5 2
C N 1 7 0 1
C N 1 7 0 2
C N 1 7 0 3
C N 6 8 1
C N 2 0 3
C N 2 0 2 C N 8 0 1
C N 8 0 2
C N 4 0 3
C N 4 0 2
C N 0 0 3
C N 0 0 4
C N 4 0 1
C N 2 0 1
C N 0 0 1
C N 2 0 4
C N 6 5 1
C N 6 0 1
C N 6 5 2
C N 7 0 5 C N 7 0 6
C N 7 0 4
C N 7 0 1
C N 7 0 2
C N 7 3 9
C N 7 3 2 C N 1 3 0 4
C N 7 3 5
C N 7 3 6
C N 7 3 4
C N 7 3 1 C N 7 3 3
C N 7 6 1
C N 7 6 4
C N 7 6 6
C N 7 6 2
C N 1 5 1
C N 2 0 0 1
C N 7 0 3
C N 7 3 7
C N 7 6 3
C N 5 0 5
C N 3 0 0 1
S 3 0 0 1
C N 1 3 0 2 C N 1 3 0 1
C N 1 3 0 3
C N 0 0 2
C N 1 2 0 3
4 P
B L K - L
: S - M I C R O
2 P
W H T - L
: S - M I C R O
1 0 P
: B T O B - S
1 0 P
: B T O B - S
1 0 P
: B T O B - S 1 0 P
W H T
: S - M I C R O
2 P
: M I N I
2 P
: L A R G E
4 P
W H T
: S - M I C R O
4 P
: V H 4 P
: V H
4 P
R E D
: S - M I C R O
4 P
Y E L
: S - M I C R O
4 P
B L K
: S - M I C R O
3 P
W H T
: S - M I C R O
3 P
W H T
: S - M I C R O
3 P
W H T
: S - M I C R O
: F A S T O N
: F A S T O N
3 P
W H T - L
: S - M I C R O
1 1 P
W H T - L
: S - M I C R O
2 P
W H T - L
: S - M I C R O
2 0 P
: B T O B - S
1 1 P
W H T - L
: S - M I C R O
2 0 P
: B T O B - S
1 0 P
: B T O B - P
6 P
W H T
: S - M I C R O
1 0 P
: B T O B - P
1 0 P
: B T O B - P
8 P
W H T
: S - M I C R O
4 P
W H T
: S - M I C R O
1 0 P
: B T O B - P
1 1 P
: B T O B - S
2 0 P
: B T O B - P
2 0 P
: B T O B - P
2 0 P
: B T O B - P
4 P
B L K
: S - M I C R O
9 P
R E D
: S - M I C R O
1 0 P
: B T O B - S
2 P
W H T
: V H
3 P
: M I N I
: F A S T O N : F A S T O N
4 P
W H T
: S - M I C R O
9 P
R E D
: S - M I C R O
: F A S T O N
4 P
W H T
: S - M I C R O
6 P
W H T
: S - M I C R O
9 P
R E D
: S - M I C R O
9 P
W H T
: S - M I C R O
1 0 P
W H T
: S - M I C R O
9 P
R E D
: S - M I C R O
5 P
W H T
: S - M I C R O
5 P
W H T
: S - M I C R O
: F A S T O N
9 P
W H T
: S - M I C R O
: F A S T O N
2 0 P
: B T O B - S
4 P
: V H
3 P
W H T - L
: S - M I C R O
3 P
W H T
: S - M I C R O
3 P
W H T
: S - M I C R O
3 P
W H T
: S - M I C R O
1 0 P
W H T
: S - M I C R O
7 P
W H T - L
: S - M I C R O