Sony SLV-789HF Service Manual page 43

MA-342
BOARD
(REC/PB BLOCK (IC260))
1
IC260 4 REC/PB
3.6Vp-p
V
2
IC260 5 REC/PB
3.4Vp-p
H
3
IC260 9 REC
0.7Vp-p
V
4
IC260 9 REC
0.1µsec/div
160mVp-p
50mV/div
5
IC260 !º REC
480mVp-p
H
6
IC260 !¶ REC
0.1µsec/div
3.4Vp-p
1V/div
(VIDEO BLOCK (IC201))
7
IC201 2, REC
480mVp-p
H
8
IC201 7, REC
0.1µsec/div
360mVp-p
0.1V/div
9
IC201 @£ PB
H 0.5Vp-p
!º
IC201 @• REC/PB
4.2Vp-p
H
!¡
IC201 @ª REC
H
2.2Vp-p
!¡
IC201 @ª PB
2.3Vp-p
H
RF SW P
!™
IC201 (•
REC/PB
1.5Vp-p
30Hz
!£
IC201 #¶ REC
1.0Vp-p
H
!¢
IC201 ^¶ REC/PB
3.579545MHz 460mVp-p
!∞
IC201 1 PB
0.7Vp-p
V
!§
T301 6 REC
50Vp-p
69.2kHz
(SERVO/SYSTEM CONTROL
BLOCK)
4fsc (OUT)
!¶
IC160 #ª
REC/PB
14.31818MHz
5.0Vp-p
OSC OUT
!•
IC160 $∞
REC/PB
25.3MHz 4.2Vp-p
!ª
IC160 %º OSC V IN REC
2.2Vp-p
H
!ª
IC160 (º OSC V IN PB
H
2.3Vp-p
OSD V OUT
@º
IC160 %™
REC
2.2Vp-p
H
@º
IC160 %™
OSD V OUT PB
H 2.3Vp-p
@¡ C VIDEO IN
IC160 %§
REC/PB
2.1Vp-p
H
4-2
C SYNC
@™
IC160 %•
REC/PB
4.2Vp-p
H
@£
IC160 &ª S REEL
4.8Vp-p
0.9sec (TAPE TOP)
@¢
IC160 *º T REEL
4.8Vp-p
1.6sec (TAPE TOP)
@∞
IC160 *¶ CAP FG SP
4.4Vp-p
1078Hz
DRAM FG
@§
IC160 *ª
REC/PB
360Hz 4.4Vp-p
DRAM PG
@¶
IC160 (º
REC/PB
4.6Vp-p
30Hz
@•
IC160 (∞ CTL+IN REC
5.0Vp-p
30Hz
CTL AMP OUT
@ª
IC160 (¶
PB
4.0Vp-p
30Hz
#º 32kHz (OUT)
IC160 #§
REC/PB
32.768kHz 3.0Vp-p