Supply Lines Overview - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Supply Lines Overview

SUPPLY LINES OVERVIEW
B01A SUPPLY
2B48
5B01
B01a
6B07 +AUDIO-POWER
5 7
B11a
2B51
3 8
6B08 -AUDIO-POWER
9
2
B11a
6B06 +12VS
10
CONTROL
1
B02a,b,
2B46
11
6B05 1B33 +5V-STANDBY
12 7B06
B01B,B02b,
2.5AT B06b
2B51
7B50
3128
CONTROL
4 1
B01a
7B04
B11a
TCET1102
3 2
AUDIO-PROT B11a
B11C
STANDBY
x
B02a
B02a
2
1
SEE ALSO BLOCK DIAGRAM SUPPLY
A A DISPLAY B01B SUPPLY
SUPPLY
1 1 BACKLIGHT-OUT
Dim-control B06B
2 2 POWER-OK-DISPLAY B02a
Power-Good B04A
3 3 LAMP-ON-OUT
Light_on_off B06B
4 4
GND
5 5 BACKLIGHT-BOOST
N.C.
Boost
6 6
STANDBY
Standby B04D
B02a
9B06 +5V-STANDBY
7 7
B01a
+5v2
B02a
1B50
+12V-DISP
8 8
+12V
B06b,B04o
T3A
1
+12V
2
+12V TO
3 AMBI-LIGHT
GND
4
GND
1
+12V
2
+12V
3
1M90
+12V
B02a
4 DFI PANEL
GND
5
GND
6
GND
SEE ALSO BLOCK
DIAGRAM SUPPLY
B02A DC/DC
B02a
B02b
+12VS +12VS
B01a
7U16 +12V
B02a
7U14
B02b
POD-MODE
5U00 +12VF
7U00 7U01 12V/3V3
NCP5422
15 COVERTER
1
+3V3
Dual
7U06
Out-of-Phase
5U03 +3V3F
Synchronous
2
Buck Controller
B02b
+1V8
7U28
B02a
7U27
B02c
1V8
7U03
STAB.
B02a
12V/1V2
16
COVERTER
B02b
5U02 +1V2
7U08
15
+5V-POD +5V-POD
B02b
B02b
1V2-STANDBY 1V2-STANDBY
B02b
B02b
B02b
B02b
B02b
B02b
B04p
B02a
B02a
更多难得资料请到江南家电维修论坛免费下载！
http://bbs.520101.com
Q523.1U LA 6.
B02B
DC / DC B04F PNX85xx: CONTROL
+3V3-PER
+5V-STANDBY +5V-STANDBY
B04p
3U94
+5VS
B04c,d,l,m B04G PNX85xx: SDRAM
+5V-POD
7U02-1 B09a,B10c
B02a
+1V8
B02a
7U02-2 +5V-ON
B03a,B04a,b,
7U04-1
B06b,B10b
POD-MODE
7U04-2
ON-MODE
3U86
7U19 +3V3-STANDBY
B04a,b,c,d,e,m,p,
B06b,B08a,c,B11a,c
B04H PNX85xx: DIGITAL VIDEO IN
7U17 7U20 +1V2-STANDBY
B02a,B04p
VOLT.
RREF-PNX8535
REG. 7U18
B04p
VOLT.
REG.
+12VS +12VS B04I PNX85xx: AUDIO
VP VP
VP
B11a
VN VN
VN
+12V
+12V
B11a
+12VF +12VF
3UB3 5U09 6U63 3UB4 +VTUN
B04K PNX85xx: ANALOGUE AV
7U24
+3V3-PER
VSW
B04p
(RESERVED)
B04L PNX85xx: AUDIO
B02C DC / DC
+5VS
B02b
+3V3F +3V3F
7U8C 9U8A +2V5
B04a
+3V3
B02a
7U8B
VOLT.
B04M PNX85xx: AUDIO
REG.
+3V3-STANDBY
B02b
+12V +12V
+3V3
B02a
+12VF +12VF +5VS
B02b
5U68
B04N PNX85xx: VIDEO STREAMS
7U64 7U61-1
L6910 +3V3-PER
15
11
5U60 +1V4 B04p
STEP
7U61-2
DOWN
B04O PNX85xx: DIGITAL VIDEO OUT / LVDS
CONTR
14
+12V-DISP
B01b
(RESERVED) VDDA-LVDS
B04p
B03A CHANNEL DECODER
B04P PNX85xx: POWER
+3V3 +3V3
+1V2
7T20 B02a
+2V5-TUN
+1V8
B02a
IN OUT
COM
+3V3-STANDBY
B02b
9T14 +3V3-ATSC
+1V2-STANDBY
B02b
+1V2 +1V2
+3V3
B02a
+5V-ON
+5V-ON
B02b,c,
B03B MAIN TUNER
B04a,B06b,
B08c,B09a
+3V3 +3V3
+5V-ON +5V-ON
5T53 V1
B02b,c
VDDA-AUDIO
5T54 V2
B04l
B02b,c,B3a,b,
B04a,e,l,m,p,q
B05b,c,d,B06b,c,
B04A PNX85xx: STANDBY CONTROLLER
B08b,f,B10a
+3V3-STANDBY +3V3-STANDBY
B04Q
PNX85xx: FLASH
+3V3
+3V3
+3V3
+2V5 +2V5
B02a
+12V
+12V
+5V-ON +5V-ON
B03a,B04e
B05B FPGA 1080P: POWER + CONTROL
B04B PNX85xx: DEBUG
+3V3
B02a
+3V3-STANDBY +3V3-STANDBY
B04C PNX85xx: NVM / UART SWITCH
+3V3-STANDBY
+3V3-STANDBY
+5VS
+5VS
B04D PNX85xx: MISCELANEOUS
+3V3-STANDBY +3V3-STANDBY
+5VS +5VS
B05C FPGA 1080P: I/O BANKS
+3V3-FPGA
B05b
B04E PNX85xx: CONTROL
+2V5out-FPGA
B05b
+Vin-FPGA
+3V3-STANDBY +3V3-STANDBY
B05b
+3V3-PER +3V3-PER +1V2-FPGA
B05b
+1V2-PLL
+3V3 +3V3
RES
B05b
+3V3
+1V2 +1V2 B02a
57
B05D FPGA 1080P: DRAM
+3V3-PER
+3V3 +3V3
B02a B02a
5FK0 +3V3-SD1
B06A PACIFIC 3: LVDS
+1V8
3HJ1
DDR2-VREF-CTRL VDISP VDISP
B06b
3HJ3
DDR2-VREF-DDR
B06B PACIFIC 3: DISPLAY-INTERFACING
+12V-DISP +12V-DISP
RREF-PNX8535
B01b
5G55
7G54 VDISP
+3V3-STANDBY +3V3-STANDBY
VP
B02b
+3V3 +3V3
5HM0 AUDIO-VDD
B02a
+5V-ON +5V-ON
VP
B02b
5HM1 AUDIO-VEE
+5V-STANDBY +5V-STANDBY
B02b
+12V +12V
B02a
3GC4 +8V2-PAS
+3V3-PER
B06C PACIFIC 3
+3V3 +3V3
B02a
5GE2 +3V3-P3
+5VS
7GE3
7HP0
+2V5-PF
5HP1 VDDA-AUDIO
IN OUT
IN OUT
B04p COM 5GE0
+2V5-P3
COM
5GE1
+3V3 +2V5-PLL
7GE5
+1V5
IN OUT
COM
5GE3 +1V5-P3
5GE4 +1V5-PLL
+3V3-STANDBY
5GE5 +1V5-TX
+3V3
5GE6 +1V5-RX
+5VS
B08A
UART
+3V3-PER +3V3-STANDBY +3V3-STANDBY
B02b
B08B SPDIF
+12V-DISP
+3V3 +3V3
VDDA-LVDS B02a
B08C EXTERNALS
+3V3-STANDBY +3V3-STANDBY
B02B
+1V2
7J50 +3V3-UART
+1V8
7J51
+3V3-STANDBY
UART-SWITCH
+1V2-STANDBY +12V +12V
B02a
+3V3
7HK0 B08D
HDMI
+1V8-PNX
IN OUT 1B01
COM HDMI
18 AIN-5V
CONNECTOR
5HYA +3V3-PER
1B02
HDMI
B04e,f,k,n BIN-5V
18
5HK2 RREF-PNX8535 CONNECTOR
B04h
1B03
5HY1 VDDA-LVDS
HDMI
18 CIN-5V
CONNECTOR
B04o
VDDA-AUDIO
+5V-CON
5HY4 VDDA-DAC
+5VS +5VS
B02b
5HY7 AUDIO-ADC
B08F HDMI SWITCH
+5V-CON +5V-CON
B08d
+3V3
5JA5 +5V-MUX
5HA0 +3V3-NAND
+3V3 +3V3
B02a
5JA3 +3V3-DIG
5JA4 +3V3-ANA
+3V3
5FA6 +3V3-FPGA
B09A ANALOGUE EXTERNALS
B05c
5FA8 +Vin-FPGA
B05c +5VS +5VS
7FA4
+2V5-STAB B02b
+12V +12V
IN OUT
COM
5FA7 +2V5out-FPGA B02a
7FA5
B05c
+1V2-STAB
IN OUT
B10A USB 2.0
COM 5FB1 +1V2-FPGA
B05c +3V3 +3V3
5FA2 +1V2-PLL
B02a
B05c
B10B USB 2.0
+5V-ON
+5V-ON
+3V3-FPGA
B02b
+2V5out-FPGA
+Vin-FPGA
B10C LED PANEL CONNECTOR
+1V2-FPGA
+5VS +5VS
+1V2-PLL
B02b
+3V3
B11A
AUDIO LEFT / RIGHT AB07
+AUDIO-POWER
+AUDIO-POWER
B01a +2V5
AB01
3D04 3D04
VPP
B11c
7D55 7D55 VP VP
B02b,B04i,
B11c
7D58
ON-MODE ON-MODE
1G50 -AUDIO-POWER
-AUDIO-POWER
B01a
41 AB08
TO 1F50
3D39
VNN
AB02
+2V5
DIF B11c
7D61 VN AB01
B02b,B04i,
B11c
+3V3-STANDBY +3V3-STANDBY
B02b
B06a
B11C AUDIO: PROTECTION/MUTE CONTROL
+3V3-STANDBY +3V3-STANDBY AB09
B02b
VP VP
B11a
VN +12V
VN
AB01
B11a
VPP VPP
B11a
VNN VNN
B11a
J LED SWITCH PANEL
+3V3
AB01
1M20
+5V-STANDBY +5V-STANDBY
TO 1M20 5
B10C
AB10
SSB
AB01 DC/DC +3V3
AB01
1M90
TO 1M90
+12VS
1
+2V5
SUPPLY
AB01
1U01
5U04 +12V
3.0AT
5U05 +1V2
AB01
5U06 1U02
+12V-DC
3.0AT
5U07
7U00 7U03-1
12V/1V2
NCP5422
14 COVERTER
15
5U02 +1V2
Dual AB05,AB10
7U03-2
Out-of-Phase
Synchronous
16
Buck Controller
7U01-1
12V/3V3
1 COVERTER
5U01 +2V5
7U01-2 AB05,AB07,
AB08,AB10
2
7U08 7U09
+3V3 AB03,AB05,
IN OUT IN OUT
AB06,AB09,
COM COM
AB10
AB02 VIDEO-FLOW
1F50
TO 1G50
+12V-SSB
1
B06A
SSB
1F51
+VDISP +VDISP
1 TO
AB09 DISPLAY
AB03 PNX8535: CONTROL
+3V3 +3V3
AB01
B08F
AB05 FPGA: POWER + CONTROL
+1V2 +1V2
AB01
5F54 +1V2-FPGA
AB06
5F55 5F53
+1V2-PLL
AB06
+2V5 +2V5
AB01
5F23 +Vin-FPGA
AB06
5F24 +2V5out-FPGA
AB06
5F25 +2V5in-FPGA
AB06
+3V3 +3V3
AB01
AB06 FPGA DFI
2V5-DDR2
2V5-DDR2
AB08
+2V5out-FPGA +2V5out-FPGA
AB05
+Vin-FPGA +Vin-FPGA
AB05
+1V2-FPGA +1V2-FPGA
AB05
+1V2-PLL +1V2-PLL
AB05
2V5-DDR1
2V5-DDR1
AB06
+2V5in-FPGA +2V5in-FPGA
AB05
VREF-FPGA1 VREF-FPGA1
AB07
VREF-FPGA2
VREF-FPGA2
AB08
+3V3 +3V3
AB01
1M20
TO 1M20
5
J
IR/LED
DDR A
+2V5
5F27 +2V5-DDR1
AB06
3F4B
5F28 VREF-DDR1
3F4D VREF-FPGA1
AB06
DDR B
+2V5
5V01 +2V5-DDR2
AB06
3CD6
5V02 VREF-DDR2
3CD8 VREF-FPGA2
AB06
DISPLAY-INTERFACING
+12V
5F0K
7F07 +VDISP
AB02
5F0L
5F0M
3F48
+5V
+3V3
FPGA AMBILIGHT
+3V3
5F31
+3V3M
+2V5
5F34 +2V5M
+1V2
9F52 +1V2-PF
5F33 +1V2M
H_16770_075.eps
060907