Y Ref Level Adjustment - Sony BKP-7090 Installation Manual

2-2. Y REF Level Adjustment

Note
. Make sure that the adjustments of "Video Signal System Adjustment" (refer to BVP-700/700P mainte-
nance manual) and "2-1. AD, DA System Adjustment" should be completed.
Preparation
. Set switches of MSU-700 to initial settings (refer to BVP-700/700P maintenance manual).
. BARS button/MSU-700 → OFF
. TEST 2 button/MSU-700 → ON
. KNEE OFF button/MSU-700 → OFF (lit)
Adjustment procedure
1. Equipment: Oscilloscope
Test point: TP101/MD-83 board
GND: E101/MD-83 board
Adj. point: 1RV101 (Y REF) /MD-83 board
Specification: A = 0 ± 2 mV
BKP-7090
A
A B C D E F
1
2
3
4
5
6
S1
7
E401 S2
8
S3
FL6
RV401
9
TP401
TP402
10
FL5
11
12
2-2. Y REF Level Adjustment
G H J K L
TP702
TP703
FL10
RV801
TP101
FL11
FL1
RV101
TP202
RV202
TP201 RV203
FL2
RV201
TP302
RV302
RV303
FL3
RV301
TP301
MD-83 BOARD (A SIDE)
M N P R S
E701
TP701
CV801
S4
CV802
E801
TP801
CN1
TP102
RV103
FL12
E101
RV102
TP203
E201
FL9
FL4
2-5 (E)