Sony DSR-570WS, Service Manual

Page: 234 / 250

10-12 DSR-570WS/570WSP V1
4
3
2
1
E D C B
A
FP-118A BOARD (B SIDE)
TP201
TP603
TP1 TP2
TP402 TP401
TP602 TP601
TP200
CV200
RV403
RV601 RV602
10-4-1. Audio Level Volume Reference
Position Adjustment
Equipment:
Audio level meter
Audio signal generator
Preparations: . AUDIO INPUT CH-1/CH-2: 1 kHz,
+
4.0 dBu
. EE mode
Test point: CH-1: TP401/FP-118A board (E-3)
CH-2: TP402/FP-118A board (E-3)
Adjusting point
: CH-1 AUDIO LEVEL adjustment
control
1 RV401/FP-118A board
CH-2 AUDIO LEVEL adjustment
control
1 RV402/FP-118A board
Specification: _ 10.3
±
0.2 dBu
10-4-2. Monitor Output (LINE OUT) Level
Adjustment
Equipment: Audio level meter
Audio signal generator
Preparations:
. AUDIO INPUT CH-1/CH-2: 1 kHz,
+ 4.0 dBu
. Terminate the following monitor
outputs with 47 k Z resistors.
CH-1: TP601/FP-118A board
CH-2: TP602/FP-118A board
. EE mode
Test point: CH-1: TP601/FP-118A board (D-3)
CH-2: TP602/FP-118A board (D-3)
Adjusting point:
CH-1: 1 RV601/FP-118A board (D-4)
CH-2: 1 RV602/FP-118A board (D-4)
Specification: _ 10.0
±
0.5 dBu
10-4-3. Limiter Level Adjustment
Equipment:
Audio level meter
Audio signal generator
Preparations: . AUDIO SELECT SW CH-1: AUTO
. AUDIO SELECT SW CH-2: AUTO
.
[REAR PANEL] CH-1: LINE or
MIC
. [REAR PANEL] CH-2: LINE or
MIC
.
EE mode
Adjusting procedure
1. Input the + 20 dB signal (for reference signal) to
AUDIO INPUT CH-1/CH-2.
LINE: 1 kHz, + 24 dBu
(Reference signal; 1 kHz, + 4 dBu)
MIC: 1 kHz, _ 40 dBu
(Reference signal; 1 kHz,
_
60 dBu)
2. Adjust the level within the specification.
Test point: TP401/FP-118A board (E-3)
Adjusting point: 1 RV403/FP-118A board (E-3)
Specification: _
8.3
±
0.2 dBu