Vcr Test Tape Interchangeability Table - Aiwa VX-G142 Service Manual

VCR TEST TAPE INTERCHANGEABILITY TABLE

There are two types of the new alignment tape CH-1B (for NTSC) and CH-2 (for PAL). On each tape four signals (1) - (4) are
recorded for the times and in the order shown below.
The TTV-MP1 (for M-PAL), TTV-MS1 (for MESECAM) and TTV-S1 (for SECAM) alignment tapes have the same contents as
the previous tapes.
Now in use TYPE
Method
Model
NTSC, Color,
TTV-N1
1kHz, SP
NTSC, Color,
TTV-N1E
1kHz, EP
NTSC
NTSC, Stairsteps,
TTV-N2
7kHz, SP
NTSC, Color,
TTV-N12
1kHz, SP
(SCV-1998)
NTSC, Stairsteps,
1kHz, SP, HiFi
TTV-N7A
400Hz
PAL, Color,
TTV-P1
1kHz, SP
PAL, Color,
TTV-P1L
1kHz, LP
PAL
PAL, Stairsteps,
TTV-P2
6kHz, SP
PAL, Stairsteps,
TTV-P7
1kHZ, SP, HiFi,
1kHz
PAL, Color, 400Hz,
TTV-P16
SP, HiFi 1kHz
*1. Described in the order of color format. Video signal. Linear audio. Tape speed and Hi-Fi audio.
*2. Use CH-1B (1) - (3) with models used exclusively in the SP mode.
*3. Use CH-2 (3) and (4) when it is necessary to observe the chroma signal.
(1) : 8min. ---> (2) : 2min. ---> (3) : 5min. ---> (4) : 5min.
New TYPE
Contents*1 Model
CH-1B(2) NTSC, Stairsteps,
CH-1B(4)
*2
CH-1B(1)
CH-1B(4)
CH-1B(3)
CH-2(2)
*3
CH-2(4)
CH-2(1)
CH-2(3)
No Changed.
Contents*1
PB-Y Level/General electrical ADJ.
1kHz, SP
Head ACE Height/Tilt ADJ.
NTSC, Color,
Switching position ADJ.
1kHz, EP
NTSC, Stairsteps,
Head ACE Azimuth ADJ.
7kHz, SP
FM envelope ADJ.
NTSC, Color,
X-Value ADJ.
1kHz, EP
NTSC, Color, No
HiFi Audio PB Level ADJ.
sound SP, HiFi
400Hz
Switching position ADJ.
PAL, Stairsteps,
PB-Y Level/General electrical ADJ.
1kHz, SP
Head ACE Height/Tilt ADJ.
Switching position. (LP Model)
PAL, Color,
FM Envelope ADJ. (LP Model)
1kHz, LP
X-Value ADJ. (LP Model)
Head ACE Azimuth ADJ.
PAL, Stairsteps,
FM Envelope ADJ. (SP Model)
6kHz, SP
X-Value ADJ. (SP Model)
PAL, Color, No
sound SP, HiFi
HiFi Audio PB Level ADJ.
400Hz
FM Filter ADJ.
A-3
Application