Sharp VC-780E

——— ee
WAVE FORMS
SYSTEM CONTROL, SERVO, IF PWBs
1704 qi) pin
Frequency gencrator/Pulse generator
2¥/Omwasion
Sinisec/Diviguort
Trt
Head swrtching pulse
2V/Biision
Smset/Dinsian
PAL Playback imodé —
1C701 & pin
Cornposile sync
2/7 vision
‘ 20usee/Owesia:
} C701 8) pin
fac clocr.
S00mV/Owssion
20pseciDivisian
— PAL Playback mode —
1cB01 @) pin
Vertical syoc
2V/Devisian
Smsec/Biwsion
Q801 Base
Verocal syn:
0 SV/Daisios
Smsec/Divisnen
— PAL mode ---
1C701 a pin
Capstan frequenty generate: signal
e\/Division
0 Smsec/Divisaon
Connector, AN pin
Capstan trequeacy generator signal
+V¥/Division
0.5msec/Draision
— PAL Playback mode —
1C702 (B) pin
Dium pulse generator
1V/Diwisian
10msec/Dwision
IC70z (7) pin
Orurn julse generater
2¥/Draision
TOrmsec/Pivisiors
— PAL Playback mone ——
C701 0) pin
Playback contro! sida:
1¥/Olvisian
omsec/O-vwsion
TP7G) pin
Head switching pulse
2¥/Divisiar:
Smsec/Division
— PAL Paybact. mode —
1702 4) pin
Drum frequency geneiara’ Signa
1V/Duyigioui
0 Srnseg/Daasion
IC?01 C1} ain
Brim frequericy generatrr gna
2V/Niasiors
G.orsec/Division
— PAL Playback node —
Ic70) G3 pn
Recon! canteol saguiat
2 fOryisinr.
aimsecfiaiwision
TRO pin
Head Svvaitilieday piaee
24Duanun
Smsce/Dwisien
- PAL Record snide
V &
VC-790ET
IC 801 () pin
Capsian frequency generator sigral
2v/Owisian
Srsec/Sv15:0n
IC¥Ci GD) pur
Playback Coots, signal
24/0N5.00
SMsec/Divigatare
- - PAL Playtias) iiude —
Y/C, AUDIO PWB
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TP504
4.43MHz oxicillator signa’
0 Zpsec/Division
0 2W4AC)Divisian
— PAL Playback mode —
OS03 emitter
Record chrannaance output signal
POpseckweasiun
StmMACYBivicion
1€201 @) pin
Honzantal sync pulse
J0psces Division
EMDCOlision
Recon! mode —
TP570G
20, sec.’Division
500m¥ (AC); Division
‘TPS/O7
20, sec ‘Division
50mvV {AC} Division
~ SECAM Record mode —
Connecte: CG @ pin
Velucal syne pulse
SinsecfDivision
IV(DCNBwesion
-- Record mode ++
Video output terminal
(Verminated with 75 ohm resistor
Video output signal
20ysec/Division
0 2ViACHDiwisian
— EE mode --
TP5 706
20, sec. Division
S00m¥ (AC) Oivisian
05705 emitter ae
201 see: Division
200m¥' Division
~ SECAM Playbak moun —
O50}, 502 ernitver
Playback chiorninance signal
20reciDwsion
GC IVIAC Division
£7506, OhOG. OHO? enater
Payback chrominance signal
2OpsecéOiwisian
BD NMALHOvor
-— Playback mipde - -
Full etaso bias
Susec/ Division
20ViACHDivision
TP202
Luminance FM signal
2Bysec/Dwision
0 SMACYDwisien
1C2M1 (2) pin
Horivontal syne pulse
2Opsecfviston
2ViDCV/Owision
— Recon mode --
Q5707 enmitte:
20+ sec Division
200m (AC). Divistan
TP5707 (05702 emitter)
70.4 set: Division
TOOm¥ (AC) Orvision
- NTSC Record made —
TP201
Preamphasis signal 1¥ signal)
20usec/Division
0. 2ViAC}/Dwision
1€201 ® pin
Harzontal syne pulse
20psec/Dwisian
2ViDCHYDivision
— Recod mode —
Q570? emitter
20, sec: Division
200mV Division
Q5701 emuer
200 sec: Divisian
600m¥ Division
— NTSC Playbak mode —