Sharp LC-32A40L Service Manual page 38

A B
8
7
6
5
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-3
C D
SWITCH/AMP SCHEMATIC DIAGRAM
FROM/TO AV JACK
SW_YUV1/2
YUV1/YUV2_Y
YUV1/YUV2_PB
YUV1/YUV2_PR
FROM/TO AV SWITCH
REMOCON_IN
STANDBY_LED
TO AV JACK2
EXT_MUTE
FROM TUNER
AFT
TO SOUND AMP/HEADPHONE
AUDIO_MUTE
POWER_ON-H
FROM/TO POWER
PSU_ACD/P.FAIL
PSU_5VD/DSR/LIGHT_CTL
VS_ON/LCDON
RLY_ON/LCD-H
POWER_ON-H
AT+5V
AT+3.3V
GND
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C D
E
(AV PCB)
EXT_MUTE
AT+5V
AT+3.3V
SW
Q4402
KRA103SRTK STANDBY_LED
REMOCON_IN
0 4.9
AFT
4.9
SW
W876
Q4403
KRC102SRTK
4.9 AUDIO_MUTE
0
0
YUV1/YUV2_PB
YUV1/YUV2_Y
YUV1/YUV2_PR
PSU_ACD/P.FAIL
POWER_ON-H
VS_ON/LCDON
RLY_ON/LCD-H
SW_YUV1/2
PSU_5VD/DSR/LIGHT_CTL
CAUTION: DIGITAL TRANSISTOR
E
F G
FROM/TO SCALER
CP4204 (CP802)
00_6232_030_006_800+
STANDBY LED 30
REMOCON IN 29
AFT 28
CD4204_1
NC AGC 27
2H0U1802
HP_MUTE 26
AUDIO_MUTE 25
EXT_MUTE 24
GND 23
SCART1_B 22
GND 21
SCART1_G 20
GND 19
SCART1_R 18
GND 17
NC AFT_2 16
GND 15
NC D_IN_1 14
NC D_LINE3_2 13
NC SC2 CVBS_OUT-H 12
POWER_FAIL 11
POWER_ON-H 10
NC AFT_1 9
VS_ON/LCDON 8
NC DVB_FAN_ON-H 7
PDP_RLY/LCD-H 6
NC S_DET 5
NC D_LINE3_1 4
SW_YUV1/2 3
NC HP_IN 2
5VD/LIGHT_CTL 1
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCBD20
CMF091
1
H
H-4