Hitachi Vt M727 djvu

IF SCHEMATIC DIAGRAM (For GK)

IF SCHEMATIC DIAGRAM (For GK)

E

D

ICMEMAT: ; DIAGRAM

AUDIO.............

FUNCTIDN IW TCH...........

CYL MOTOR DRIVE..........

SENIOR • ■ ^...............

SERVO...........

SYS CON /'IMER..........

REAR JACK ............

ROWER SUR»LY ■ ■ • .........

Y/'CHROMA..............

PRE AMP ..............

CAPSTAN MOTOR...........

RF CONYER Tf R (Far OS).......

RF CO*VERTea (For SW, SWM) ■ ■

RF CDNVER*ER (For AU, AUB ) ■ • ■ • REMOTE COMTROC (Fw M. SW. SWM. Al REMOTE COwTROL (For AUB) ■ • ■ ■

TUNER (F»» Dl)............

TUNER (For SW, ..............

TUNER (F*ł AU, AUB)..........

IF (For SW, .................

IF (For ...................

IF (For AU, AUB)...........

AUTO TRACUtNO ■ ■ • .........

BMKTOp

[e-mail]

B

AUTO TRACKING CIRCUIT BOARD DIAGRAM

5-2 9 AUTO TRACKING

CONVERTER(For DS, SW.SWM)

Y/CHROMA J - 1 6

5-17 Y/CHROMA

CYL. MOTOR DRIVE (MAIN) SCHEMATIC DIAGRAM

^2 5-5 CYL. MOTOR DRIVE, SENSOR, WAYEFORMS

5-3 AUDIO

NTERNAL WIRING DIAGRAM

HITACHI

Bhktop

[e-mail]

VT-M727E(GK)

RI753

3.3K

n

i r

RI752

I.8K

-vv\.—

RI73I

IZK

-ww

1	KEY 0
z	A5V
3	IR PULSE
4	GNO
5	KEY 1

To

MA IN

/STS.CON.M \TIMER I

TT"~i

x r

•z s P/ PC

:ct

RI754

I.ZK

i-

*vw-<

RI757 4 7K

SI754    SI753    SI752    Sl75l

PLAY    REC    STOP/    POWER

EJECT

RI756 3 3K

—VA-Yv\—

RI758 4.7 K

RI755

I.BK

T

X

51758

AUTO

HEAD

CLEANING

SI756

F. FWD

SI755

REW

IRI75I

6PIU5

PULSE SHAPE

FUNCTION SWITCH CIRCUIT BOARD DIAGRAM

►V'OCO

MCAD

FUNCTION SW P.C.B SENSOR CIRCUIT BOARD DIAGRAM

FUNCTION SW, SENSOR 5

A

1

3

4

16.

POWER SUPPLY 5-i ₂

POWER SUPPLY P. C .

5_i_6

5-13 POWER SUPPLY

RF CONYERTER SCHEMATIC DIAGRAM (For AU, AUB)

REMOTE CONTROL SCHEMATIC DIAGRAM

(For GK)    JU

J_i_l_l_l_*—

RF CONVERTER(For AU. AUB), REI^O. CON.(ForGK) 5-2 2

5-2 3 REMOTE CONTROL(For AUB)

SERVO 5-0

5-7 SERVO

13

TUNER SCHEMATIC DIAGRAM (For AU, AUB)

TUNER P.C.B

IF SCHEMATIC DIAGRAM (For SW, SWM)

5-2 7 IF(For DS, SW, SWM)

TUNER P.C-B

TUNER P.C.B

5-25 TUNER(For SW. SWM)

Y/CHROMA WAVEFORMS

Y/CHROMA CIRCUIT

BOARD DIAGRAMS

-a TP20I 490mVp.» OIY/20-OjllK.cm PLAY	2-B TP202 A50mvp-p 0IV/2O Ojj ik Cm	J-A TP30J 670mVp*p 0.2V/200f mc cm REC/PLAY	4-A TP3C5 400mVp-p O.IV/200n IK cm MC/PLAY	9 A IC201-1 640mvp.p 0 2V/20 Oji mc cm R£C	6-B IC201-4 460HYP.P . Y/20C.. mc cm PLAY
¥W	wy	iii	mm	liii
7-a IC 201-9 460mVp. OIY/20.0Jl ME E*1 PLAY	0 2V/200«lK cm PLAY	0.iV/20.0m*c cm PLAY	WiOmlICcm	IW/20 Oji IK cm REC/PLAY	Oiv/20.0ji mc cm REC/PLAY
w		Wf	■ClL		I' I
SB 1C 201-13 460mV«L 0.IY/20O*MC.cm play	14 -01620 I-I* 240mVp-ę 50mY/ 200juk cm PLAY	5 6 16 201-19 240mVp-p 50mV/ 20 Oj; mc cm PLAY	l«-l 16201-17 400mvp-0. IV/20.011 MC cm PLAY	I7-A IC201-19 i Vp-p 02Y/20 Ojj mc cm REC	I7-BIC20I-I9 i IVp p 02Y/20 Ojj mc Cm PLAY
W				ŁM.^1 rwa «i	K\\- J ^ L^JJ ^J-
0.3v/20,0ji mc Em REO/PLAł JMW	IS A IC20I 24 4 4Vp.p 1V/J Om IM cm REC/PLAY	20-1 16201-29 STOfR/pp 0 2Y/20.0IIIK cm REC/PLAY	21 -B 16 202 4 1 9vp p 05V/20.QlllK cm	22-B IC202*6 ASOmYp-p 0.IV/20.0« ik. m PLAY wv	23-AIC202-7 230mvp.p 9GmV/IOOn mc cm mm
24-A 6 30 -2 230mvp-5OmV/200»iK cm REC/PLAY	25-A IC30I 3 4 2Vp-p 1 Y/SOfn MC cm REC/PLAY	26- A IC301 5 300mVp.p 0.IW/20 Ojimc cm REC	26-6 IC30I-5 BVp-p 05V/200ji ik cm PLAY	27-A IC30I6 560mVp-p 02Y/200/IMC cm REC	27-0 0301- 0 1 IVp-p 02y/3O0jjm« cm
filf	n i	MAi	mm	^!"™." S *! "	iw
za-» icjoi-e s20mw»-» 0 IV/20 Oj; ik Em REC	29-4 IC 301-10 970mVp-p Ogy/200ulK on	OIY/ZOOijmc Em PLAY	30-0 IC20I-H IGOm . ...p aiV/200» mc cm PLAY	3 - A IC30I-I2 320mvp« 0 IY/20 Oj, mc ot BE	32-A 16301-13 400mvg p 0 iv/20.0u Ml cm REC
& rŁlH	fijB .1/				fi.*.*.
	MM				^1 JU'
33-A IC 301-15 Z90mVM o IV/20.0a łM.cm REC	30mV/».0 KC cm	3QniV/20j0jimC cm REC	SomwroojiMc cm PLAY	02 Y/2004 mc cm REC/PLAY	0.2V/W0n mc cm RE6/PLAY
łar'ni!^r'irr^n			1^,1 rjuTiiuP ^1	WWWll	INO
37-A 16301-32 920mVp- 0 2 v/200n •«« cm REC/PLAY	36-A 16 301-34 4.3Yp-p !V/200ji icc cm REC/PLAY	39-A IC30I-36 1 lYp-p 0 5V/20.0 u MC Em REC/PLAY	40-B 16 301-42 B60mVp-p 0-2Y/20 On IK cm	4I 0 IC 301 ° 43 llOmYp.p 5Qmv/200u mc cm
mm	III	IIIIIIIIIIIIIIIIHHIll	^:______	ULU,..-.,.

i

4

5

6

Y/CHROMA WAYEFORMS 5- 1 8

5-19 Y/CHROMA

19.

1