Table of Contents
Advertisement
7) Adjust VR4 (BIAS) so that TP-REC will be
11) Adjust VR2 (PB-AS) so that TP-PB will be
~19.5 + 0.3 dBm.
0+0.5 dBm.
8) Set Dolby Switch C-Type and the set to FWD
NOTES:
PLAY mode.
1. For the adjustment, use Audio OSC, AC Volt-
9) Remove P9 connector (PB INPUT) and input the
meter (mV meter).
signal of 700 Hz from there.
2. Adjust both channels at right and left.
10) Adjust the input level so that TP2 will be 0 dBm.
XI. DC
RESISTANCE
OF
VARIOUS
COILS
DC Resistance
460 ohms + 10%
3.2 ohms
90 ohms + 10%
Description
REC/PB Head
Erase Head
Plunger Solenoid
PR4-8FU
HF213131
1240PLT
XII. CLASSIFICATION
OF VARIOUS
P.C BOARDS
1. P.C BOARD TITLES AND IDENTIFICATION NUMBER
PC Board Title
P.CBoardNumber
_|
Pre Amp P.C Board
T2023A5010
Dolby (C) P.C Board
l.
T2034A502A
Syscon P.C Board
T2034B5010
|
Drive P.C Board
T2023C5040
_—e
Power Supply P.C Board
T2023B502A
|
Dolby LED PC Board
T2023B502E
Tape LED PC Board
T2023B502D
|
r
Remote Control P.C Board
T2023B502B
Slide P.C Board
|
T2023B502F
Reverse P.C Board
T2023D5070
r
Lamp P.C Board
T2022D5 140
Filter P.C Board
CL-5026
|
LD PC Board
T2023D5090
Switch P.C Board
T2034A502B
|
Rec Cancel P.C Board
T2034A502C
Lamp Meter P.C Board
|
T2023B502C
[
Detector P.C Board
T2022D5150.CS
fia
Detector P.C Board
—
CY-0023
|
28
Advertisement
Table of Contents
