Schematic Diagram - Sony MVC-FD85 Service Manual

MVC-FD85/FD90
For schematic diagram
• Refer to page 4-31 for printed wiring board.
• Refer to page 4-55 for waveforms.
1
PK-50 BOARD(4/4)
TG(TG BLOCK)
A
-REF.NO.:5000 SERIES-
XX MARK:NO MOUNT
5
TO(3/4) P_4.9V
PANEL_13.2V
PANEL_-15.3V
B
19
TO(1/4)
PANEL_4.9V
REG_GND
C
PANEL_3.2V
D
12
TO(1/4,3/4) D_3.2V
E 13
TO(1/4) PANEL_COM
VB
VG
VR
V-COM
COM-O
VCO
F
NTSC
7
TO(3/4) COMTST
V_REV
H_REV
FRPV
G
FRPT
HDO
16
TO(1/4)
PANEL_V
H
P_XHD
6
TO(3/4)
W_MSK
I
MAKER_RECOG
11
TO(1/4)
HSY
J
16
TG
PK-50 (4/4)
2 3 4 5
NO MARK:REC/PB MODE
(FD90 MODEL)
R :REC MODE
P :PB MODE
* R901
L901
10uH
2520
L902
R912
10uH
2520 680k
R916
10k
L903 C907
10uH 0.001u
2520 B
* R903
L905
XX
L904
* R909
2520
XX
C902
* R917
* C901 3.3u
C905
6.3V 20V
0.1u C908
TA A TA A
82p
F
R911 C906
CH
120k 0.1u
C910
XX
C904
* R918
0.1u F
± 5%
R904
47k
PANEL_COM
VB
VG
VR
R905
47k
V-COM
COM-O
R910 XX
VCO
NTSC
NTSC
COMTST
V_REV
V_REV
* R913
H_REV
H_REV
* C903
COMTST
FRPV
D901
XX
* R902
FRPT
*R908
R977
XX
4-47
6 7 8 9
21
IC902
Q901-904
COM AMP
BOOST BUFFER
R936
IC902 100k 13.2
C911 NJM062V(TE2)
C909 560p
Q903
0.1u CH
1.6 13.2 2.2
2SD2216J-QR(K8).SO
VCC+
OUT1
R932
100k
1.5 1.7
R919
OUT2
1M
IN1-
1.5 -10.6
IN2-
IN1+
13.2
0.4
R921 -10.6
IN2+
68k
VCC-
R941
100k
1.1
R922
C913
R929
68k
4700
2012
-10.6
R933 R935
R942
100k
R920 R923 R928 33k 33k
22k 47k 4700
36 35 34 33 32 31 30 29 28 27 26 25
18
*
TG_24
2.7 19 20
SYNI
CLD
1.4
TG_23
SYNC
SPD
2.6
3.1 TG_22
WIDE CTR
0 TG_21
IC901
PDPC EX3
0 TG_20
3.1
NTPC1
EX2
TIMING 0
0.3
TESTI
GENERETOR TESTO
3.1
3.1 TG_18
TEST * IC901 RES
3.1 0 TG_17
VREVC MODE2
0 TG_16
3.1
TESTI
MODE1
0
3.1 TG_15
HREVC
EX1
0.1
0 TG_14
COMTST SPS
3.1 2.8 TG_13
LOWI CLS
0
TG_12
R940
1 2 3 4 5 6 7 8 9 10 11 12
* R934
0
C912
R930 * R931
82p
0
CH
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
10 11 12
* R944
± 0.5%
* C914
16V
C917
* R945
TA A * C915 * C919
0.1u
± 0.5%
F
F
C916
2.2u C918
* R946
± 0.5% 2012
2.2u
F
2012
F
* R952
* R947 * R953
± 0.5%
* R954
1u
D903
MA8047-H-TX
B
* R950
* R956
TG_24 * R957
* R958
TG_23
* R959
TG_22
* R960
TG_21
TG_20 * R961
TG_18
R939
* R962
TG_12
* R951
* R949
* R948
* R963
TG_17
TG_16
TG_15
TG_14
* R964
TG_13
Ref TYPE SH TYPE CA Ref TYPE SH TYPE CA
R901 XX
10u
C901 XX
6.3V
R902 XX
0.1u 0.22u R903 0
C903 10V 10V
B B R908 XX
R913 100k
6.8u
C914 XX
16V
R917 1M
0.01u R918 0
C915 25V XX
B R925 68k
0.1u R927 33k
C919 XX 25V
B R931 XX
R934 0
IC901 LZ9GH234 CM7018L3-T
R939 XX
R940 XX
10uH
L904 XX
+10%
R944 33k
R945 22k
R946 33k
R947 22k
R948 XX
R949 XX
R950 XX
R951 XX
R952 0
4-48
13 14 15
-LCD type check-
By measurimg the resistor valve between
Pin 13 of CN803(FC-72 board) and Pin 4
of CN803(FC-72 board),the type of LCD can
be discrimimated.
Type CA :
Type SH : 4.7k
CN901 24P
1 VSH CLD
2 VDD SPD
3 VR CTR
4 VB EX3
LCD901
5 VG EX2
PANEL
6 VSS VB12 LCD
7 MODE1 RES
8 MCLK TST
9 HCNT VR
10 CLR VG
11 OE VB
12 SRTL GND
13 SRTR VSH
14 VBC COM
15 VCOM VGL
16 MODE2 VSS
17 RESET MO2
18 GSRT MO1
19 GPCK EX1
20 GRES SPS
21 VREFL CLS
22 VGL VCC
23 VREFH VSH
24 VGH VGH
TYPE CA TYPE SH
Ref TYPE SH TYPE CA
0 R953 XX 0
0 R954 0 XX
XX R956 0 XX
0 R957 0 XX
82k R958 0 XX
XX R959 0 XX
0 R960 0 XX
47k R961 0 XX
39k R962 XX 0
0 R963 XX 0
XX R964 0 XX
0 R966 XX 100k
0 R967 XX 0
XX R968 0 XX
0 R969 0 XX
XX R970 XX 0
XX R971 47 XX
0 R972 47 XX
0 R973 47 XX
0 R974 XX 47
0 R975 XX 47
XX R976 XX 47