Sony KDL-24R400 Service Manual page 14

A BOARD SCHEMATIC DIAGRAM (4 OF 20)
1
A
CN201 CN201
JWT_A2010WR0-14P-SW-5e-3.2 JWT_A2010WR0-14P-SW-5e-3.2
HEADER CONN_14P HEADER CONN_14P
x x x x 1
x x x x
x x x x x x x x
2
3 PSU_12V
x x x x x x x x
x x x x PSU_BL_PWM
4
x x x x TP201 TP201
PSU_AC_DET# C203 C203
x x x x 5
TP204 TP204
x x x x
0.1U_16V_K 0.1U_16V_K
x x x x x x x x PSU_EN#
6
TP202 TP202
x x x x 7
x x x x 8
x x x x x x x x
x x x x 9
B
x x x x x x x x 10
x x x x
x x x x 11
x x x x x x x x 12
x x x x x x x x
13 PSU_BL_ERR#
TP207 TP207
x x x x x x x x PSU_BL_EN#
14
TP209 TP209
TP210 TP210
C204 C204
0.1U_25V_K 0.1U_25V_K
TP211 TP211
TP212 TP212
C
TV ON/OFF Control
R2201 R2201 Q2201 Q2201
100_J 100_J 2SA1235A-T112-1F 2SA1235A-T112-1F
PSU_EN# SB_3.3V
1 2 3 2
R2202 R2202
D
1K_J 1K_J
R2204 R2204
2.2K_J 2.2K_J
Q2203 Q2203
2SC3052-T112-1F 2SC3052-T112-1F
E
R2208 R2208
C C 10K_J 10K_J
B B 1 1
E E
R2207 R2207
10K_J 10K_J
F
G
H
1
Chassis RB1FK, BA
2 3 4
TP203 TP203
SB_3.3V [8,9,11,12,14,15,17,18,19,20]
C202 C202
10U_10V_M 10U_10V_M
PSU_12V [6,7,18]
TCON_VCC [21]
AUD_12V [19]
TP208 TP208 TP206 TP206 TP205 TP205
C205 C205 C206 C206 C207 C207
0.1U_25V_K 0.1U_25V_K 0.1U_25V_K 0.1U_25V_K 0.1U_25V_K 0.1U_25V_K
3
R2205 R2205
4.7K_J 4.7K_J
[15,17] ORESET#
Q2204 Q2204
2SC3052-T112-1F 2SC3052-T112-1F
R2254 NC_0_J R2254 NC_0_J 0402 0402
C C
2 1 2 1 B B
Q2251 Q2251
R2209 R2209 E E
2SC3052-T112-1F 2SC3052-T112-1F
R2252 R2252 10K_J 10K_J
R2210 R2210
C C
10K_J 10K_J
10K_J 10K_J
B B 1 1 2
OPWRSB [15]
E E
R2253 R2253 C2201 C2201
10K_J 10K_J 0.01U_50V_K 0.01U_50V_K
2 3 4
5 6
BackLight DIMMER CONTROL.
BL_PWM
F=180Hz.
1%
100%
Power Input
BACKLIGHT ON/OFF CONTROL.
HIGH LOW
BL_EN#
Initial:L
AC_DET# AC ON AC OFF
H
Turn on Turn off
PSU_EN# L
AC DETEDTION OUTPUT.
AC_DET#
Q2202 Q2202 H
2SA1235A-T112-1F 2SA1235A-T112-1F
SB_3.3V L
2
R2203 R2203
4.7K_J 4.7K_J
BACKLIGHT ERROR OUTPUT.
R2206 R2206
BL_ERR#
10K_J 10K_J
H
PWM_5V_EN# [6]
L
Q2205 Q2205
2SC3052-T112-1F 2SC3052-T112-1F R2212 R2212
C C 47K_J 47K_J
B B 1 1 2
MRESET# [17]
E E
C2202 C2202 R2211 R2211
1U_10V_K 1U_10V_K 47K_J 47K_J
R8065 0_J R8065 0_J
R8060 0_J R8060 0_J
R8066 0_J R8066 0_J
R8061 0_J R8061 0_J
R8067 0_J R8067 0_J
R8062 0_J R8062 0_J
R8068 0_J R8068 0_J
R8063 0_J R8063 0_J
R8064 0_J R8064 0_J
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
A side B side
5 6
7 8
R202 R202
PSU_BL_PWM
1 2
BL_PWM
[21] PSU_BL_PWM
100_J 100_J
DIMMER C201 C201
NC_0.1U_16V_K NC_0.1U_16V_K R201 R201
0402_X7R 0402_X7R 10K_J 10K_J
MINIMUM
MAXIMUM
R203 R203
100_J 100_J
PSU_BL_EN#
1 2 BL_EN# [15]
PSU BACKLIGHT
C208 C208 R204 R204
0.1U_16V_K 0.1U_16V_K 1K_J 1K_J
ON
0402_X7R 0402_X7R
OFF
R205 R205
4.7K_J 4.7K_J
SB_3.3V
1 2
R206 R206
100_J 100_J
AC Voltage PSU_AC_DET#
1 2
AC_DET# [15,17]
C209 C209
AC Existence.
0.1U_16V_K 0.1U_16V_K
0402_X7R 0402_X7R
AC Off. (<=20mS)
1 2
[7,10,12,15,17,18,20,21] SYS_3.3V
R207 R207
10K_J 10K_J
R208 R208
100_J 100_J
BACLKLIGHT
PSU_BL_ERR# 1 2
BL_ERR# [17]
C210 C210 R2251 R2251
ERROR
0.1U_16V_K 0.1U_16V_K NC_10K_J NC_10K_J
0402_X7R 0402_X7R
NORMAL
SCROW HOLE
H203 H203
H201 H201 H202 H202 H205 H205
H204 H204
HEATSINK HOLE
H206 H206 H207 H207 H208 H208 H209 H209
GND
GND [6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21]
Title Title Title
Power Distribution I Power Distribution I Power Distribution I
i S i S i S e z e z e z D D D o o o u c u c u c m m m e e e t n t n t n N N N u u u m m m b b b r e r e r e
A3 A3 A3 FY13 BA_MT5389 FY13 BA_MT5389 FY13 BA_MT5389
D D D t a t a t a : e : e : e Thursday, December 20, 2012 Thursday, December 20, 2012 Thursday, December 20, 2012 S S S h h h e e e t e t e t e 5 5 5 of of of 21 21 21
7 8
Chassis RB1FK, BA
A
[15]
B
C
D
E
F
G
H
R R R v e v e v e
A A A
14