Base
Base
STOP
PLAY
Emitter
Emitter
Collector
Collector
Tran-
sistor
Q201
3.1
3.28
0.009
2.28
3.05
2.34
Q202
3.14
3.28
0.01
3.1
3.25
0.6
Q203
4.9
0.01
4.9
4.86
5.1
4.85
Q204
4.9
0.04
4.9
4.86
5.2
4.86
Q205
0.003
0.002
4.9
0.003
0.003
4.8
Q206
0.003
0.002
4.9
0.003
0.016
4.86
Q301
4.4
5.08
4.98
4.4
5.08
4.98
Q302
0.74
0.006
0.001
0.74
0.006
0.001
Q303
0.72
0.006
0.008
0.72
0.006
0.008
Q306
1.63
2.22
0.01
1.63
2.22
0.01
Q307
2.15
1.48
0.001
2.15
1.48
0.001
Q308
0.01 4.99 5.24 4.51 3.85 5.23
Q311
0.00 0.00 0.00 -2.20 0.24 3.51
Q403
0.002
1.55
0.76
0.002
0.009
-0.4
Q404
0.002
1.6
0.76
0.002
0.009
-0.6
Q405
2.54
3.27
3.25
3.23
3.26
-0.4
Q501
0.009
0.002
0.02
0.009
0.002
0.02
Q504
2.15
2.83
0.002
2.15
2.83
0.002
Q505
1.63
1.65
5.15
1.63
1.65
5.15
Q507
2.15
2.8
0.002
2.15
2.8
0.002
Q550
0.01
0.002
1.66
0.01
0.002
1.66
Q901
0.76
0.002
0.008
-0.48
0.002
0.004
Q701
5.78 5.03 5.24
VOLTAGE CHARTS
IC301 Pin 75
PB mode
500mvp-p
IC301 Pins 48, 50,
54, 56
Video in 1Vp-p
IC301 Pin 67
PB/REC mode
4.0Vp-p
IC301 Pin 100
REC mode
1.1Vp-p
IC301 Pin 3
REC mode
2.0Vp-p
IC301 Pin 65
PB mode
2.02Vp-p
IC301 Pin 43
PB mode
400mVp-p
IC301 Pin 28
PB mode
400mVp-p
IC301 Pin 68
PB/REC mode
5Vp-p
IC301 Pin 69
PB/REC mode
5Vp-p
IC301 Pins 21
REC mode
340mVp-p
IC301 Pins 25
PB mode
300mVp-p
IC301 Pin 29
PB mode
400mVp-p
IC301 Pin 70
PB mode
3.6Vp-p
* IC301 Oscilloscope Waveform
* IC501 Waveform Photographs
V.HSW
(IC501 Pin 23)
1V/10mS
REC/PB MODE
DV.SYNC
(IC501 PIN 24)
1V/100uS
QUE/REV MODE
CTL(+)
(IC501 Pin 74)
1V/10mS
CTL(-)
(IC501 Pin 75)
1V/10mS
DFG/DFG
(IC501 PIN 65)
1V/10mS
REC/PB MODE
CFG
(IC501 Pin 67)
1V/10mS
V.IN
(IC501 Pin 49)
500mV/20uS
V.OUT
(IC501 Pin 47)
500mV/20uS
EE/PB MODE
WAVEFORMS
2-55
2-56
Содержание HR-XV28SEF
Страница 9: ... No YD068 1 9 SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY ...
Страница 69: ... No YD068 1 69 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...
Страница 70: ...1 70 No YD068 5 4 8 FOCUS ON WAVEFORM F FE RFL FIG 7 4 CD FOCUS_S FACT FACT FIG 8 1 DVD ...
Страница 74: ...1 74 No YD068 5 4 13 ZR36868 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
Страница 75: ... No YD068 1 75 5 4 14 AUDIO OUTPUT FROM AUDIO DAC FIG 14 1 ...
Страница 78: ......
Страница 84: ...A 1 2 3 4 5 B C D E F G EE MODE VIDEO TU MODE AUDIO TUNER IF CIRCUIT DIAGRAM SHEET 4 2 11 2 12 ...
Страница 86: ...A 1 2 3 4 5 B C D E F G SCART JACK CIRCUIT DIAGRAM SHEET 6 2 15 2 16 ...
Страница 87: ...A 1 2 3 4 5 B C D E F G ع DVD SERVO CIRCUIT DIAGRAM SHEET 7 2 17 2 18 ...
Страница 88: ...A 1 2 3 4 5 B C D E F G ع DVD AV JACK CIRCUIT DIAGRAM SHEET 8 2 19 2 20 ...
Страница 89: ...A 1 2 3 4 5 B C D E F G ع DVD SYSTEM CIRCUIT DIAGRAM SHEET 9 2 21 2 22 ...
Страница 90: ...PRINTED CIRCUIT DIAGRAMS VCR MAIN BOARD TOP SIDE 2 23 2 24 ...
Страница 91: ...VCR MAIN BOARD BOTTOM SIDE 2 25 2 26 ...
Страница 92: ...COMPONENT PARTS LOCATION GUIDE VCR MAIN 2 27 2 28 ...
Страница 93: ...LOCATION GUIDE LOCATION GUIDE POWER BOARD KEY BOARD 2 29 2 30 ...
Страница 101: ...IC7V1_SDA5650X IC802_NM1232 IC903_BH78968FS IC803_LD1117A IC801_ DA9605H IC BLOCK 2 45 2 46 ...
Страница 107: ......
Страница 113: ... No YD068 3 5 052 517 061 056 518 052A 055 410 077 076 078 060 051 064 A11 A12 023 080 058 BACK SIDE ...