Philips P&S 22HFL4372D/10 - Block Diagrams

Block Diagrams
EN 55Q552.1HE LA 9.
2010-Nov-19
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9. Block Diagrams
9-1 Wiring diagram P&S 22"
19040_401_100924.eps
101111
WIRING DIAGRAM 22" (P&S)
Board Level Repair
Component Level Repair
Only For Authorized Workshop
(1057)
KEYBOARD CONTROL PANEL
E
IR/LED BOARD
J
CN02
3P
CN01
8P
(1056)
MAIN POWER SUPPLY
(1054)
A
CN903
1. 24V
2. 24V
3. 24V
4. 24V
5. 24V
6. GND
7. GND
8. GND
9. GND
10. GND
11.
12. Backlight on/off
13. External PWM
14. LED status
CN902
1. LED status
2.
3. External PWM
4. Backlight on/off
5. +12V
6. +12V
7. +12V
8. GND
9. GND
10. GND
11. GND
12. +24Vaudio
13. +3.4V
14. +3.4V
15. PS_ON
1M99
1. +12VD
2. +12VD
3. GND
4. GND
5. LAMP-ON
6.
BACKLIGHT-PWM_BL-VS
7. BACKLIGHT-BOOST
8. BACKLIGHT-PWM-ANA-DISP
9. POWER-OK
1735
1. LEFT SPEAKER
2. GND-AUDIO
3. GND-AUDIO
4. RIGHT SPEAKER
1M95
1. +3V3-STANDBY
2. STANDBY
3. GN D
4. GND
5. GND
6. +12V
7. +12V
8. +12V
9.
+24V-AUDIO-POWER
10. GND-AUDIO
11. MAINS-OK
1. LIGHT-SENSOR
2. GND
3. RC
4.
LED-2
5. +3V3-STAN D BY
6. LED-1
7. KEYBOARD
8. +5V
1M71
1. SCL-BL
2. GND
3. TACH0 2
4. GND
LCD DISPLAY
(1050)
8306
8401
8408
8409
8411
8410
B
SSB
(1150)
CLOCK
(1186)
O
1G50
1. GND
2. GND
.......
40. N.C.
41. N.C.
1M20
1329
1. AMP1
2. GND
3. AMP2
EXT 1
(RGB/CVBS)
HDMI
HDMI
HDMI
DIGITAL
AUDIO OUT
ANTENNA
75
AUDIO IN
(DVI/VGA)
VGA
LEFT SPEAKER
+ -
RIGHT SPEAKER
+ -
CN4
16. 5V
15. 5V
14. KEY_ADC
13. GNC
12. LED1
11. LED1
10. 3V3_STBY
9. 3V3_STBY
8. LED2
7. LED2
6. IR_RC
5. IR_SSB
4. GND
3. GND
2. LIGHT_SENSOR
1. ILIGHT_SENSOR
CN3
1. 3V3_STBY
2. SDA_BL
3. SCL_BL
4. GND
5. 5V
CN2
1.SCL_BL
2. GND
3.SDA_BL
4. 12V
5. AUDIO_L
6.
7. GND
8. AUD IO_ R
CN5
1. GND
2. SSB_TXD
3. SSB_RXD
HC
Bolt_on Board
(1058)