Dc/Dc Converter) Schematic Diagram - Sony MVC-FD75 Service Manual

FC-86 (DC/DC CONVERTER) SCHEMATIC DIAGRAM • See page 4-9 for FC-86 printed wiring board.
1 2 3 4
FC-86 BOARD (8/8)
DC/DC CONVERTER(DD BLOCK)
A
-REF.NO.:1,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
CN910 13P
F_CHG 1
B
ADJ_LEVEL 2
REG_5V 3
STRB_ON
STRB_ON 4
XSTB_FUL
XSTB_FULL 5
REG_GND 6
R986 47k
FLASH KEY_AD3
KEY_AD3 7
UNIT
FOCUS_B
FOCUS_B 8
FOCUS_A
FOCUS_A 9
C
D_3.2V 10
UNREG_GND 11
STB_CHG
STB_CHENGE 12
C952
UNREG 1(FLASH) 13 XX
16V
F901
1.4A/32V
R987
0
F902
1.4A/32V
D
LF901 F903
XX
1.4A/32V
CN901 4P F904
1.4A/32V
R988
BATT_UNREG 1 0
BT901
BATT_SIG 2
BATTERY
TERMINAL BATT_GND 3
DC_PACK_SW
BATT/XEXT 4
E
STRB_ON
STRB_ON
9
D_3.2V
FC-86 BOARD (2/8)
REG_GND
CN907
3P
RL-58 BOARD
CN051 REG_GND 1
XRLS_ON2
THROUGH THE XRLS_ON2 2
XRLS_ON1
FF-188 HARNESS
XRLS_ON1 3
F (SEE PAGE 4-42)
15
FLASH_ADJ
FC-86 BOARD (4/8)
F_CHG
G
H
LND901
CH_GND
LND902
CH_GND
LND903
I
CH_GND
LND904
CH_GND
LND905
CH_GND
LND906
J CH_GND
05
5 6 7 8
C920 C921 C924
XX
XX 10u
16V 16V
16V
R927
150k
R915 R931
27k C912 10k
± 0.5%
± 0.5%
XX
R943
R916
10k
2200 R932
± 0.5%
0
C916
R917 R933
0.1u
5600 10k
± 0.5% ± 0.5%
R918 R934
39k 47k
R919 R935
R913 R945
27k 68k XX
0
R914 R930
4700
4700
R920 R936
2200 1k
C918 C922
470p 470p
5 1
2.5 8.3
12 11 10 9 8 7 6 5 4 3 2 1
8.8
3
SCP:B CA2
0.1
OSC IN VE A
R909
8.4
10k OSC FB OUT A
± 0.5%
1.2 8.3
RT CAM15V P5V Vcc OUT
C902 180p 1.6 8
CT OUT B
8.3 1.2
C903 Vcc VE B
0.1u
2.5
IC901
V REF 2.5V GND
MB3785APFV-G-BND-ER
3.2 1.8
POW CONT VE C
3.2 7.8
CTL B 4.9V 3.2V OUT C
3.2 8
C904
CTL C,D OUT D
0.1u
0 1.4
CT SCP VE D
2.5 8.2
CD2
SCP:C
25 26 27 28 29 30 31 32 33 34 35 36
2.5 6.5
R904 C906
0 0.001u
C919 C923
R910 470p 470p
R921
270k
4700
R922
IC901
0
DC CONTROL
R905
XX
C905 C917
0.022u XX
R924 R940
10k 0
± 0.5%
R941
R925
R912
15k
390
0 ± 0.5%
± 0.5%
R985
XX
R926 R942
R911 C907 C913
10k 4700
XX XX XX
± 0.5%
± 0.5%
4-25
9 10 11 12
5
L905
5 4
22uH
Q906
FP107-TL
SWITCH
8.4 1 2 3
8.3
C931
4.7u
10V
C929
4.7u
10V
T901
D905
DC/DC CONV.TRANS
MA796-TX
0
4 1
8.3
3 2
Q907
8
2SB1122-
ST-TD
R951
D904
0
SWITCHING 1SS357-TPH3
C937 C938
C925
4.7u 4.7u
0.001u
R946
220
C926
0.001u
R947
680 LND907
Q912
R948 PANEL 4.9V SWITCH
SHIELD_GND
470
LND908
C927
SHIELD_GND
0.001u
LND909
R949 470
SHIELD_GND
LND910
SHIELD_GND
C928
0.001u
L908
1uH
4.9
5 4
L903
47uH
Q908
L906
FP107-TL
4.7uH
SWITCHING
7.8 1 2 3
C932 C934 C936
8.3
4.7u 10u 10u
10V 3.2
10V 10V
C930
4.7u 10V
L907
RN1104F(TPL3)
Q909 4.7uH
3.3 PANEL 4.9V SWITCH
FP107-TL
SWITCHING 5 4
L904
22uH
C933 C935
4.7u 10u
2 3
8 1
10V 10V
8.3
13 14 15 16
15
Q916,920,925
2SA1832F-Y/GR(TPL3)
PANEL 13.2V REGULATOR
15.7 PANEL 13.2V REGULATOR
R960
R966
39k
100k
± 0.5%
14.5 Q925
2SA1832F-Y/
Q916 GR(TPL3)
2SC4738F-Y/GR(TPL3)
13.3
13.4
Q920
2SC4738F-Y/GR(TPL3)
12.8
R970
100k
2SA1832F-Y/GR(TPL3)
L909 8.5
22uH Q917,921,927
PANEL 6.5V
REGULATOR
R961
12k R967
9.2
± 0.5%
Q913 47k
Q927
RN1104F(TPL3)
R957
C940 2SA1832F-Y/
EMERGENCY 47k
R962 8 GR(TPL3)
4.7u
DETECT
100k
20V Q915
± 0.5%
RN1104F(TPL3) 0.2
SWITCH
5 13.3
6.5 6.6
-2.1
C939
0
4.7u
Q921
R963
R958
2SC4738F-Y/
82k
22k
± 0.5% GR(TPL3)
R974
6 R971
4700
47k
Q917
Q918,922,928
2SC4738F-Y/GR(TPL3)
CAM -5.5V REGULATOR
R955
XX
R979
R972 R975
22k
100k
5 R956 10k ± 0.5%
0.5
100k
3.1
Q911 0
2SC4738F-Y/GR(TPL3)
4.9
EMERGENCY DETECT Q922
Q914 2SA1832F-Y/
0 -10
Q912 RN2104F(TPL3) GR(TPL3)
2SJ316-TD
SWITCH
Q928
R980
4.9 4.9 4.9 2SC4738F-Y/
12k
GR(TPL3) ± 0.5%
0 R981
3.3 R968
39k
100k
R952 R954 0 ±0.5%
L910
100k 1k -10.4
4.7uH
-11 -5.8
0 R953
C942
100k 0.022u
Q929
2SC4738F-Y/GR(TPL3)
C943
C941 CAM -5.5V REGULATOR
10u
XX
10V
Q910 R973
100k R976
C947
18k
0.47u 0.5 Q923
± 0.5%
2SA1832F-Y/
GR(TPL3)
R977
1600
0
Q919 0
2SA1832F-Y/
GR(TPL3)
C945
0.1u -34.2
-34.2
R978
C946 R969
120k
0.1u 100k -15
± 0.5%
Q930
2SC4738F-Y/GR(TPL3)
PANEL -15.3V REGULATOR
D906
D907
MA111-(K8).S0
MA111-(K8).S0
The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified. par une piéce portant le numéro spécifié.
4-26
MVC-FD75
17 18 19
XRLS_ON2
XRLS_ON2
XRLS_ON1
XRLS_ON1
XSTB_FUL
XSTB_FUL
STB_CHG
STB_CHG
KEY_AD3
KEY_AD3
FOCUS_B
22
FOCUS_B
FOCUS_A
FC-86 BOARD (7/8)
FOCUS_A
DC_PACK_SW
DC_PACK_SW
BATT_SIG
BATT_SIG
SYS_DD_ON
SYS_DD_ON
LCD_DD_ON
LCD_DD_ON
UNREG
REG_GND
D_3.2V
REG_GND
(UNREG_GND)
BL_UNREG
FDD_P_5V
BEEP_15V
REG_GND
(FDD_GND)
Q924
PANEL_13.2V
11
13.4
FC-86 BOARD (3/8)
C948
2.2u
25V
REG_GND
PANEL_6.5V
PANEL_-15.3V
Q926
PANEL_4.9V
PANEL 6.5V
REGULATOR
D_3.2V
6.6
27
D_3.2V
FC-86 BOARD (6/8)
REG_GND
D_3.2V
REG_GND
20
FC-86 BOARD (4/8)
CAM_P_5V
C949
4.7u REG_GND
(CAM_P_GND)
REG_GND
CAM_15V
CAM_-5.5V
1
C950
10u
FC-86 BOARD (1/8)
10V
D_3.2V
16
REG_GND
FC-86 BOARD (4/8)
A_4.9V
C951
1u
Q919,923
PANEL -15.3V REGULATOR
25
FC-86 BOARD (5/8)
D_4.9V
24 FC-86 BOARD (3/8)
A_4.9V
DC/DC CONVERTER
FC-86 (8/8)