Toshiba W808 Service Manual page 90

Alignment tape specifications
(1) ST-N1
Item
Video signal
No.
1-1 Color bar
1-2 Mono Scope
1-3 2 MHz (recorded
on CH-A only)
1-4 Color bar
1-5 30% White
(2) ST-NF (Hi-Fi Audio (AFM) adjustment)
Item
Video signal
No.
3 MHz (recorded
2-1
on CH-A only)
2-2
Color bar
2-3
Color bar
Audio signal
*Check and adjustment of Servo circuit.
1 kHz *Check and adjustment of Video circuit.
*Check and adjustment of Audio circuit.
3 kHz *Check and adjustment of Servo circuit.
Notes: 1. This signal is used for tape running
Record each
400 Hz & 7 kHz
for 1min 30 s in
3 cycles.
*Check and adjustment of Servo circuit.
3 kHz
*Check and adjustment of Video circuit.
*Check and adjustment of Servo circuit.
Notes :1. This signal is used for tape running
No signal
Hi-Fi audio
signal (recorded
on video track)
Notes : This signal is used for tape running
AFM 400 Hz
*Check and adjustment of Hi-Fi Audio circuit.
(Set tracking control to the position when Audio FM
output level obtains max.)
AFM 400 Hz
Notes : This signal is used for tape running
Carrier
1.3 MHz (L ch)
1.7 MHz (R ch)
Contents
adjustment.
2. Set tracking control to center position
except linearity adjustment.
3. When making linearity adjustment
(S, T-guide roller), set tracking control to
the position where envelope obtains max.
adjustment also.
2. Set tracking control to center.
When making linearity adjustment, set
tracking control to the position where
envelope obtains max..
Contents
adjustment.
Set tracking control to center position.
adjustment also.
Set tracking control to center position.
Record
Mode Time
SP 10 min
SP 10 min
SP 9 min
EP
5 min
(SLP)
EP
5 min
(SLP)
Record
Mode Time
SP 5 min
SP 5 min
SP 5 min