Pg Shifter Adjustment (50M); Pg Shifter Adjustment (25M) - Panasonic AJ-SD93P/E Service Manual

VFK1156 (Black)
Play Position Tool
VFK1208 (Black with hole)
Neutral Position Tool
A

2-5. PG Shifter Adjustment (50M)

BOARD SERVO (F1)
TP -----
ADJ. SERVICE MENU
TAPE VFM3580KM or KL (NTSC)
VFM3680KM or KL (PAL)
INPUT -----
MODE PLAYBACK
M. EQ Oscilloscope
SPEC. T1, T2 = 126.8usec ± 4usec
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the A00: SERVO ADJUST and press the
"SET" button to open the SERVO ADJUST
MENU.
3. Select the A05 PG SHIFT 50.
4. Play back the color bar portion of the 25M
alignment tape.
5. Press the "Search" button continuously until the
numeric value displayed on the right side of PG
shift 50 goes off one time. Release the "Search"
button when the new numeric value has been
updated.
6. Confirm that the timing of the Head Switching
signal is as shown below.
7. Close the menu.
TP233
(RP HSW)
TP320
(SPA)
T1
Attach to surface
TENSION
POST
TENSION
REGURATOR
P.C.BOARD
D

2-6. PG Shifter Adjustment (25M)

BOARD SERVO (F1)
TP -----
ADJ. SERVICE MENU
TAPE VFM3580KM or KL (NTSC)
VFM3680KM or KL (PAL)
INPUT -----
MODE PLAYBACK
M. EQ Oscilloscope
SPEC. T1, T2 = 253.6usec ± 8usec
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the A00: SERVO ADJUST and press the
"SET" button to open the SERVO ADJUST
MENU.
3. Select the A06 PG SHIFT 25.
4. Play back the color bar portion of the 25M
alignment tape.
5. Press the "Search" button continuously until the
numeric value displayed on the right side of PG
shift 25 goes off one time. Release the "Search"
button when the new numeric value has been
updated.
6. Confirm that the timing of the Head Switching
signal is as shown below.
7. Close the menu.
TP233
(RP HSW)
TP320
(SPA)
T1
ELE-4
T2