A Board Schematic Diagram (17 Of 18) - Sony kdl-32bx326 Service Manual

A BOARD SCHEMATIC DIAGRAM (17 OF 18)

1 | 2 | 3
A
—
B
—
C
—
D
—
E
Mute Circuit
— For AC OFF Pop Noise
F
First Drop
+12V +5V_SW +5VSB
—
R661 R662
R660
NC/10K 1/10W NC/10K 1/10W
NC/27K 1/10W
G
R666
—
NC/2.2K 1/10W
H
Power Detect
—
I
—
KDL-22BX325/32BX325/32BX326/32BX425/40BX425
J
| 4 | 5 | 6
For AC ON Pop Noise
DC ON Pop Nose
DC OFF Pop Noise
V_MUTE
V_MUTE
R672
10K 1/10W
R658 A_MUTE
NC/10K 1/10W
HI = > UN-MUTE
LO = > MUTE
R663 Q606 Q607
NC/1K 1/10W 1% NC/MMBT3904 MMBT3904 1K 1/10W 1%
Q608
NC/MMBT3904 C673
220N 25V
Q611
R671 NC/2N7002
AC_DET
NC/1K 1/10W 1%
| 7 | 8 | 9
First Arrival
+5VSB
Last Drop
+12V
V_MUTE
R659
10K 1/10W
R664 LO = > MUTE
HI = > UN-MUTE
+5V_SW
R665 MUTE_CTL
Q609 1K 1/10W 1%
MMBT3904 R667
| 10 | 11 | 12 |
MUTE_CTL
14 MUTE_CTL
3,11 V_MUTE V_MUTE
3,11,12 A_MUTE A_MUTE
3V3SB
2,7,8,10,14 3V3SB
2,4,7 +5VSB +5VSB
2,12,15 +12V +12V
2,6,8,11,13,14,15,16,17 +5V_SW +5V_SW
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,19 GND
D102
1
V_MUTE
3
R1147 0R01 1/10W
2
D103
BAV70
NC/BAS32L
+
C1124
NC/100uF 25V
D104
NC/BAS32L
A 17/18
RS-232
1-857-922-11 <AZ2TK> A-P17
KDL-22BX325/32BX325/32BX326/32BX425/40BX425
13 | 14 | 15 |
V_MUTE
30