Sony BVP-550 Maintenance Manual page 884

4-4. Overall Electrical Alignment
4-4-7. TEST1 Adjustment
Equipment : Oscilloscope
Test points : TP50,52,54/Extension board extending
VA-163
Preparations:
1. Extend VA-163 board with EX-464 board.
2. WHITE BAL switch (on the side panel)→PRST
3. Select the TEST SAW signal
MENU setting:
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : TEST→1
Adjustment procedures:
1. Connect the oscilloscope to the TP52 (GND:GND
(A))/Extension board extending VA-163.
2. G-ch signal adjustment
Adjustment point : 1RV50 (B4)/VA-163
: A = 880 ±2 mV
Specifications
3. R-ch signal confirmation
Connect the oscilloscope to the TP54 (GND:GND
(A))/Extension board extending VA-163.
Specifications: A = 880 ±40 mV
4. B-ch signal confirmation
Connect the oscilloscope to the TP50 (GND:GND
(A))/Extension board extending VA-163.
Specifications: A = 880 ±40 mV
4-30(E)
4-4-8. TEST2 Adjustment
Equipment : Oscilloscope
Test point : TP52/Extension board extending VA-163
Preparations:
1. Extend VA-163 board with EX-464 board.
2. Select the TEST SAW signal
MENU setting:
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : TEST→2
Adjustment procedures:
1. Connect the oscilloscope to the TP52 (GND:GND
(A))/Extension board extending VA-163.
2. TEST2 HIGH Level adjustment
MENU setting:
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : TEST2 HI
Specifications: A = 880 ±5 mV
3. TEST2 MID Level adjustment
MENU setting:
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : TEST2 MID
Specifications: B = 283 ±5 mV
BVP-550
BVP-550P