Philips VR6491 Service Manual page 30

AUDIO/VIDEO SELECTOR SCHEMATIC DIAGRAM (I104) PI01
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'MODE| MODE| |
REC [92167 [67 [54 oa] 0 [14104 Rec | 0 | 0 | 0 66] 0 5 65 [59 | 66
PLAY [92 | 87/87 | 54 04 [0 [11.4]10.4 PLaY| 0 [56] 0 66 [ 0 59 66 [59 [65
stop] 92187 [87] 54 04 0 [11.4]710.4 stop[o | o fo 661 0 59 65 [5.9166
1ca3 146 cas
E T[2z[3 [4 7[s]9 wn T[2{[3s S[e]7[s]9 wm[nl[wlole 15 [16
MODI MODE, MODE
rec [0 [0] 0] 0 66 [59 [101] 66 [59 | 66 rec [0 |o2 [oz os [53 [53 [53 |53|53] 4903 [10112 Rec [06 | 53
puay| o | 0 [0] 0 66 | 5.9 [10.1] 66 | 59 | 66 pray | 0 [02] 02 0215. 53149 [03 [10] 12 PLAY [0.6 [5.3
'STOP, ofoto 66 [5.9 [102/66 |59 | 66 stop| 0 [o2[o2 0215353153 153]53149]03[10 [12 stop [0.6 [53
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E70 Tent Plex
Q3A1
Q3A2
Q3A3
Q4A1
Q4A2
Q4A3
Q4A4
Q4A5
Q454
Q455
Q457
Ic42
C43
1C44
C46
D451
D452
D453
D454
D455
Q3A1 Emitter
500mV/Div 20pSec/Div
B3
E6
D6
E2
E3
D3
c3
c3
DS
DS
D3
DS
A2
AS
E7
c2
A2
A4
C7
C7
1C42 Pin 6
2-13
ZENERS
Z3A1 C2
Z3A2 C2
Z3A3 C2
Z3A4 C2
2451 B2
Z452 B2
2453 B2
2454 B2
2455 B2
2456 B2
2457 B2
2458 C2
2461 D2
2462 D2
2463 E2
2464 £2
2465 E2
2466 E2
200mV/Div 20uSec/Div
1C43 Pin 5
200mV/Div 20uSec/Div
a asa 455
5 BTC Els Evelc
MODE
22] 0 [eeleo]| o fo Rec [17.5[115| 0 | 0 [04 |i15
2s[o [es|6olo | 0 PLAY {10.7|11.5|11.5| 0 [0.7 [04
2210 [es{eolo | 0 Stop |11.5[11.5| 0 | 0 [03 [116
CS 27 374