Philips HDRW720 Service Manual page 82
Hard disc/dvd-video recorder
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Also See for HDRW720:
- Specifications (3 pages) ,
- Owner's manual (90 pages) ,
- Software upgrade instructions (12 pages)
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Block Diagrams, Waveforms, Wiring Diagram.
Waveforms
Waveforms Display Board
7106/7108-Emitter
IC7103-19
A: DC, 1 V/Div, 10us/Div
A: DC, 2 V/Div, 10us/Div
I324 VSource (Standby)
I324 VSource (no disc loaded)
A: DC, 50mV/Div
A: DC, 50mV/Div
5us/Div
2us/Div
A_CVBS I405
D_CVBS F4712
A: DC, 500mV/Div
A: DC, 200mV/Div
10us/Div
10us/Div
I502/I504
I517/I518
A: DC, 500mV/Div
A: DC, 500mV/Div
500us/Div
500us/Div
I818
A_CVBS F8008
A: DC, 1 V/Div
A: DC, 500mV/Div
20us/Div
10us/Div
HDRW720/0x, DVDR725H/0x
6.
EN 82
Waveforms Analog Board
IC7103-8
F327 VDrain (Standby)
A: DC, 1 V/Div, 100ns/Div
F723 VFV I723
A: DC, 500mV/Div
10us/Div
D_Y F4714
A: DC, 200mV/Div
10us/Div
F501/F502
A: DC, 500mV/Div
500us/Div
I994
A: DC, 1 V/Div
20ns/Div
F327 VDrain (no disc loaded)
A: DC, 100V/Div
5us/Div
E465
E461
A: DC, 500mV/Div
A: DC, 500mV/Div
10us/Div
10us/Div
D_R F4718
D_C F4716
A: DC, 200mV/Div
A: DC, 200mV/Div
10us/Div
10us/Div
I014/I032
ARDAC/ALDAC F010/F011
A: DC, 500mV/Div
A: DC, 500mV/Div
500us/Div
500us/Div
I989
A: DC, 200mV/Div
10us/Div
I324 VGate (no disc loaded)
I324 VGate (Standby)
A: DC, 1V/Div
A: DC, 2V/Div
5us/Div
2us/Div
E463
E462
A: DC, 500mV/Div
A: DC, 500mV/Div
10us/Div
10us/Div
D_B F4722
D_G F4720
A: DC, 200mV/Div
A: DC, 200mV/Div
10us/Div
10us/Div
I623
SYNC F843
A: DC, 1 V/Div
A: DC, 500mV/Div
500us/Div
10us/Div
TR 070018_001
200303
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