Sony TC-K333ESA Service Manual page 16

TC-K333ESA/K990ES
2. Adjust RV504 so that a check—point level at 400Hz is 2. Preset RV108(LOW)so that segment(a)in LOW FREQ
+10dB. CAL LEVEL meter lights. Then adjust RV204 to the
3. Adjust RV503 so that a check—point level at 8kHz is point where segment (a)goes out.
+10dB.
HIGH : LEVEL (a) may flicker.
Procedure(CAL METER ADJ): FC a ah als el oa areal ces
1. Put the set in record mode and adjust RV208(HIGH)so eo as
that HIGH FREQ segments in the CAL LEVEL meter
light thoroughly up to OVU as shown in the figure below.
LOW: LEVEL t not flicker.
Segment(a)may flicker.
(a) must
not
flicker
Location Diagram of the Adjustment Parts
Back panel
@
SYSCON board
Ga wd
Og
Playback level adjustment
RV101 (L-CH)
RV201 (R-CH)
REC level adjustment
RV102 (L-CH) (Recording board)
RV202 (R-CH)
FWD torque adjustment
RV801
REC board
O86 Og |
Bo
oR)
RV104 (L-CH)
current
BAe at RV204 (R-CH)
i HXPRO adjustment
Test point
RV106 (L~CH)
BIAS il adjustment
RV206 (R-CH)
T101 (L-CH)
if T201 (R-CH) |
99 er
BIAS current 6 6
8kHz | CAL oscillation
400Hz |} test point
+)
RV207 (R~CH)
RV107 (L-CH) CAL oscillation adjustment
RV504 (400Hz)
RV503 (8kHz)
CPSO1 .
CO O
Level meter adjustment {
+) +)
CH) 1
: RV L-CH
SIAC S aausimente
RV203 (R-CH)
BIAS oscillation frequency
adjustment
(105kHz)
RV205 (R-CH)
RV108 (L-CH) ;
elas IV. adjustment
CAL meter edustment |
RV208 (R-CH) RV105 (L-CH)