FUNAI SYLVANA 6413TB, Service Manual

Page: 54 / 69

WAVEFORMS
10 V 5 ms
1DIV: 0.5V 20
µ
sec
C 354 Minus Lead
WF1
GND
1DIV: 0.5V 20
µ
sec
IC 301 Pin 40
WF2
1DIV: 0.2V 20msec
IC 301 Pin 50 WF6
1DIV: 200V 20
µ
sec
CN 571 Pin 1
WF9
GND
1DIV: 5V 20
µ
sec
WH501A Pin 2
WF10
GND
1DIV: 2V 5msec
IC 551 Pin 7 WF11
1DIV: 10V 5msec
CN 571 Pin 4 WF12
1DIV: 20V 20
µ
sec
Q 502 Collector
WF14
1DIV: 2V 20
µ
sec
Q501 Base
WF3
GND
1DIV: 2V 20
µ
sec
Q 502 Base
WF4
1DIV: 2V 20
µ
sec
Q 503 Base
WF5
GND
1DIV: 10V 20
µ
sec
Q 572 Collector
WF7
GND
1DIV: 5V 20
µ
sec
Q 571 Base
WF8
1DIV: 20V 20
µ
sec
Q503 Collector
WF13
1DIV: 20V 20
µ
sec
Q 501 Collector
WF15
1DIV: 0.2V 20
µ
sec
TU 1 Pin 8
WF16
GND
WF1 ~ WF16 = Waveforms to be observed at
Waveform
check points.
(Shown in Schematic Diagram.)
Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
INITIAL POSITION: Unplug unit from AC outlet for at least 5 minutes.
reconnect to AC outlet and then turn power on.
(Brightness---Center Color---Center Tint --- Center Contrast---Approx 70%)
WF_01
8-1
8-2