Sony KP-46WT500 Service Manual page 268

CG BOARD SCHEMATIC DIAGRAM
1 | 2 | 3
CN7205
A
0P
:ONE TOUCH
TO F.BLOCK G CRT DRIVE
G2 1
R7204
560k
12
I.C
1/2W
—
11
G1
CN7204
G2
7P
RED
:S-MICRO
B TO CR:CN7103
C7203
+200V 1
0.001
2kV
NC
2 B
GND
3
R7206
C7202
100
NC 4
0.0047
1/2W C7206
F
:RC R7208 0.0047
NC 5
— 680k
F
1/2W
HEATER(+)
6
HEATER(-)
7
CN7203
C
7P
BLK
TP7201
:S-MICRO
1
TO CB:CN7303
+200V
+200V
1
NC 2 1 2 3 4
—
GND 3
R7207
NC 820
4
1/16W
:RN-CP
NC
5
C7205
27p
HEATER(+) 6
CH:1608
R7209
HEATER(-) 7 330
1/16W
D
:CHIP
L7202
:LAV35
C7209
CN7202 C7204
22 C7207 0.1
6P
250V 2200 25V
— WHT F:1608
16V
:S-MICRO
TO A:CN703 L7201
GS 1 :LB2016
GND
2
G
G 3
E
R7201
IK 4
220
GND 1/16W R7205
5
:CHIP 2.2k
1/16W
+12V 6
:CHIP
R7220
R7210
5.6k
2.2k
1/16W
—
:RN-CP 1/16W
:RN-CP
Q7202
R7203
2SD601A
1.5k
1/16W BUFFER
:RN-CP
C7201
Q7201
F
0.1
R7202
2SB709A
25V 1.1k
PEAK
F:1608 1/16W
:RN-CP
—
CG BOARD WAVEFORMS
1 2
101.5 Vp-p (H)
2.0 Vp-p (H)
| 4 | 5 | 6 |
TO F.BLOCK
F GND
CN7209
1
G1
4
G1
5
R7223
10 6
1k
H
9 7 1/2W
8
SG7203
H
G1 DSP-301N
K
G
SG7201
CRT_GND
SG7202
L7203
DSP-501N KG
CN7208
TP7202 0P
:LAV35
TERMINAL :FASTON
R7221
CRT_GND
4.7k
CN7206
R7219
0P
220
:FASTON
1/2W
IC7201
TDA6120Q/N2/S1
VIDEO OUT
2
5 6 7 8 9 10 11 12 13
R7214
22k 3W :RS
C7212 R7222
4700p 100
500V 1/2W
E
D7202 D7203
1SS83TD 1SS83TD
PROT PROT
C7211
D7201
0.1
MA111 TP7203
25V
TERMINAL
C7217
F:1608 PROT
0.01
GND
50V
R7213
120k
C7210
1/16W
100 16V
:RN-CP
Q7203
C7208
2SK3018
0.1 R7212
IK BUFFER
25V 120k
F:1608 1/16W
:RN-CP
S
R7211
4.7k
1/16W
:RN-CP R7216
1.5k
1/16W
:CHIP
C7214
2200p
R7215 B:1608
3.3k
1/16W
:CHIP
A-1302-812-A<RA6>CG
CG BOARD IC VOLTAGE LIST
IC7201
PIN VOLT PIN VOLT
1 1.9 8 GND
2 2.6 9 N/C
3 3.1 10 200.0
4 3.8 11 N/C
5 2.5 12 155.1
6 12.0 13 159.2
7 7.6
All voltages are in V.
CG
7 |
[G CRT DRIVE]
COMPONENT SIDE
CG
[G CRT DRIVE]
CONDUCTOR SIDE
CG BOARD TRANSISTOR LIST
B C E
Q7201 1.7 GND 2.3
Q7202 2.3 12.0 2.6
G D S
Q7203 7.6 12.0 6.3
All voltages are in V.
— 57 —
1 2 3
A
B
C
D
1 2 3
A
B
C
D
KP-46WT500
4
4