Pk-50/52 (Back Light)(2/4); Schematic Diagram - Sony MVC-FD85 Service Manual
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Also See for MVC-FD85:
- Operating instructions manual (68 pages) ,
- Service manual (30 pages) ,
- Training manual (81 pages)
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For schematic diagram
• Refer to page 4-31, 35 for printed wiring board.
1
2
3
PK-50 BOARD(2/4)
(FD90 MODEL)
NO MARK:REC/PB MODE
PK-52 BOARD(2/3)
R :REC MODE
(FD85 MODEL)
P :PB MODE
A
BACK LIGHT(BL BLOCK)
-REF.NO.:5000 SERIES-(FD90 MODEL)
-REF.NO.:6000 SERIES-(FD85 MODEL)
XX MARK:NO MOUNT
BL_UNREG
L851
4.7uH
2520
B
C852
22u
16V
TA
FD90 MODEL
2
TO(1/4)
2
TO(1/3)
BL_GND
C
FD85 MODEL
Q851,852
Q852
BL-LEV
UN9112J-(K8).SO
SWITCH
4.9
4.9
PANEL_4.9V
1
0
LND851
FD85
D
SHIELD_GND
MODEL
LND852
SHIELD_GND
LND853
1
SHIELD_GND
2
LND854
C851
SHIELD_GND
0.01u
3
R852
XX
E
R851
LND855
XX
STATIC_GND
LND856
FLAME_GND
D851
FD90 MODEL
XX
3
STATIC2
TO(1/4)
3
TO(1/3)
F
FD85 MODEL
R853
6800
FD90 MODEL
± 0.5%
4
TO(3/4)
BL_LEV
4
BL_LEV
TO(3/3)
FD85 MODEL
G
FD85 MODEL:MVC-FD85
FD90 MODEL:MVC-FD90
H
16
4
5
6
7
Q856
FP102-TL
Q854
SWITCHING
2SD2216J-QR(K8).SO
SWITCHING
4.8
3
7.1
4
L852
2
6.6
22uH
5
R857
1
22k
7.1
1
2
R856
6.9
6.6
560
3
C853
B
0.22u
C856
C859
F
R858
18p
27p
560
CH
CH
C861
33u
10V
TA
B
D852
XX
R860
C860
R855
10k
XX
120k
± 0.5%
± 0.5%
R864
47k
C858
R859
0.01u
4700
IC851
1
2
3
4
R861
1800
± 0.5%
C857
SWITCHING
0.022u
REG.
Q858
2SD2216J-QR(K8).SO
1
0.9
1
8
7
6
5
2
2
Q853
UN9213J-(K8).SO
1
SWITCH
0.6
3
3
1
0.3
2
2
R865
R866
R862
0
4700
1500
2.6
3300
± 0.5%
R863
3
1500
3
Q855
C854
C855
R854
2.2u
2.2u
UN9213J-(K8).SO
Q857,858
27k
6.3V
F
± 0.5%
2012
SWITCH
TA
A
4-41
8
9
10
11
R867
1800
T851
1/10W
20
2012
5
19
L853
C866
100uH
18
12p
1
3000V
17
SL
R868
2
6
16
1800
1/10W
C864
15
2012
0.015u
3
2012
14
4.6
4.6
4
10
13
4
5
-0.4
12
3
1
C862
1u
Q860
-0.4
11
FP216-TL
F
2
SWITCHING
10
OSC
9
8
Q861
7
UN9112J-(K8).SO
R873
LED DRIVE
6
120
4.9
0
5
4
3
4.8
2
1
R869
100k
NJM2406F-TE2:FD90 MODEL
TA75S393F-TE85R:FD85 MODEL
IC852
D853
MA111-(K8).S0
1.4
2
1
0.9
0
4.8
1
0.3
R871
2
C865
R872
22k
0.1u
470
4.9
Q859
3
UN9213J-(K8).SO
SWITCH
C863
R870
0.1u
6800
IC852
CURRENT
DETECT
Note :
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
12
13
CN851
20P
N.C
BL_HIGH
BL_HIGH
N.C
N.C
N.C
N.C
N.C
ND901
N.C
BACK
LIGHT
N.C
N.C
N.C
N.C
N.C
D901
(STARTER)
N.C
LED
LED_GND
BL_LOW
BL_LOW
UNREG_GND
Note :
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
4-42
MVC-FD85/FD90
BACK LIGHT
PK-50 (2/4), PK-52 (2/3)
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