2/2) (Timing Generator) - Sony DSR-25 Service Manual

DSR-25
PD-170 (2/2) (TIMING GENERATOR) • See page 4-121 for PD-170 printed wiring board. • See page 4-144, 145 for waveforms.
2 3
1
PD-170 BOARD (2/2)
TIMING GENERATOR
A
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
L901
10uH
PANEL_13.2V
3
PANEL_-15.3V
L902
PD-170 BOARD (1/2)
PANEL_4.9V 10uH
B
PANEL_3.2V
5 VB
PD-170 BOARD (1/2) VG
VR
4
P_4.9V
PD-170 BOARD (1/2)
L903
10uH
C
D
PANEL_V
1
PD-170 BOARD (1/2)
HDO
E REG_GND
V-COM
COM-O
VCO
XWIDE
6
NTSC
F
PD-170 BOARD (1/2)
V_REV
H_REV
COMTST
P_XHD
W_MSK
G
FRPV
FRPT
H
PANEL_COM
2
PD-170 BOARD (1/2)
HSY
I
05
PD-170 (2/2)
4 5 6
R911
C909
10k 0.1u
VB
C911
R914
VG
560p
1M
VR
C907
0.001u
R916
68k
R917
68k
L905
R908
6.8uH
680k
C902
R915
3.3u
22k
C905
20V
C901 R912
0.1u C908
R909 C906 1M
XX
82p
6.3V 120k 0.1u
R913
0
C904 C910
0.1u R904 XX
47k
4.9
R905
47k
36 35 34 33
11
PANEL_COM
V-COM
COM-O
2.6
VCO
2.8
0
4.9
2.9
R910 100k
4.9
C903
0.1u
2.9
0
4.9
9
1 2 3
2.5
R919
XX
0.5%
R920
56k
C912
82p 0.5%
4-87
7 8 9
IC902
IC902 R929
100k 13.2
NJM062V(TE2)
1.9
13.2
2.6
R925
100k
2.5 1.4 1.4
Q902
13.2
2SB1462J-
QR(K8).SO
2.5 0.4
-10.2
Q901
-10.2 0.4
2SD2216J- 0.9
QR(K8).SO
-10.2
R922 R926 R928 R933
R918 33k 100k
4700
47k
R921
4700
10
2.3
32 31 30 29 28 27 26 25
R934
0
2.3
0.6
2.5
0
4.9
IC901
2.5
IC901
LZ9GH234
4.9
4.9
0
4.9
3.5
4 5 6 7 8 9 10 11 12
4.6 0 2.5 2.5
10 11 12
Q903
2SD2216J-QR(K8).SO R935
33k
0.5%
1.4
R936
C915 C917
Q904 22k
0.01u
0.1u
0.5%
2SB1462J-
QR(K8).SO
C914
R937
C916 C918
6.8u
33k 1u
R932 1u
16V
0.5%
100k 35V
R938
22k
0.5%
D903
C913
MA8047-H-TX
1u
33k
4-88
13 14
SIGNAL PATH
VIDEO
SIGNAL
CHROMA
PB
CN901 24P
24 CLD
23 SPD
22 CTR
21 EX3
20 EX2
19 VB12
18 RES
17 TST
16 VR
15 VG
14 VB
13 GND LCD901
LCD UNIT
12 VSH
11 COM
10 VGL
9 VSS
8 MO2
7 MO1
6 GPCK
5 SPS
4 CLS
3 VCC
2 VSH
1 VGH