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ii
VI+3-690
VHR-699
VHR-796E
BLOCK DIAGRAMS, CIRCUIT DIAGRAMS &
PRINTED WIRING BOARDS
TABLE OF CONTENTS
Page
1,
OVERALL
WIRING,
MECHANISM
CONNECTION,
& BLOCK DIAGRAMS
OVERALL WIRING .............................................................................................................................................l
MECHANISM
CONNECTION
........................................................ ....................................................................3
VIDEO CIRCUIT ............................................................................ ....................................................................4
SYSTEM CONTROL & SERVO CIRCUIT ..................................... .......................!........................................... 7
AUDIO CIRCUIT ............................................................................ ..................................................................~O
2, CIRCUIT
DIAGRAMS
& PRINTED
WIRING
BOARDS
(P, W. B.)
CP-1 BOARD (PW-A)
POWER SUPPLY ..................................... ..................................................................l3
CP-1 P.W.B. ......................................................................................................................................................l6
VIDEO CIRCUIT WAVEFORMS
................................................... ..................................................................l8
CP-1 BOARD (VD-A) VIDEO ........................................................ ..................................................................l9
TB-1 BOARD TERMINAL
(VHR.796E)
...........................................................................................................2l
TB-I P.W.B. (VHR-796E) ................................................................................................................................22
VP-1 BOARD (VP-A) VIDEO PRE.AMP ..........................................................................................................23
VP-1 BOARD (AP-A) AUDIO PRE.AMP ..........................................................................................................25
VP-1 P.W.B. .....................................................................................................................................................25
AD-5 BOARD
DMSS (VHR-699 & VHR-796E)
..:............................................................................................26
AD-5 P.W.B. (VHR-699 & VHR-796E)
.............................................................................................................28
CP-1 BOARD (AD-A) AUDIO (VHR-796L)
......................................................................................................29
CP-1 BOARD (AD-A) AUDIO (EXCEPT VHR-796E)
......................................................................................32
IC301 SYSTEM CONTROL, TIMER, & T~JNING CONTROL MPU PIN FUNCTIONS
TABLE ........................34
CP-1 BOARD (SY-A) SYSTEM CONTROL, TIMER&
TUNER IF CONNECTION
(EXCEPT VHR-796E)
....35
CP-1 BOARD (SY-A) SYSTEM CONTROL,TIMER,
VPS/PDC & TUNER IF CONNECTION
(VHR-796E)
..38
CP-1 BOARD (SV-A) SERVO .........................................................................................................................4l
sERvoclRculT
waveforms
.....................................................................................................................43
A71OI DISPLAY (FLD) GRID/ANODE
ASSIGNMENT
DRAWING & TABLE ..................................................44
TM-1, 2 BOARDS
DISPIAY
(FLD) & SWITCH (VHR-796E)
..........................................................................45
TM-1 P.W.B. .....................................................................................................................................................45
TM-2 P.W.B. (VHR-796E)
.................................................................................................................................46
TM-1, 2 BOARDS
DISPIAY
(FLD) & SWITCH (EXCEPT VHR-796E)
...........................................................47
TM-2 P.W.B. (EXCEPT VHR-796E)
..................................................................................................................48
TN-3 P.W.B. (VHR-690 FOR S & VHR-699) ....................................................................................................48
TN-3 BOARD
MTS (VHR-690 FOR AUSTRALIA&
VHR-699) ........................................................................49
TN-5 BOARD
NICAM (VHR-690 FOR NEW ZEALAND & VHR-796E) ...........................................................5O
TN-5 P.W.B. (VHR-690 FOR NEW ZEALAND & VHR-796E) .......................................................................... 52
PK4HN/NZ,AZ,A,E6
66N
REFERENCE
No. SM531545
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