
P
-8-
DC 15V
AGC voltage (4.3-4.5V)
Output probe
Input probe (A)
Band
Damping R
System SW
Sweep ATT
DETECTOR
ADJUSTMENT I
SETTING
R352 & R382
IC101-48 p
Tuner IF
(Side b)
R145 & SW220
No
No
B/G
9
Adjustment
By using L230, adjust "P"
to be maximum amplitude.
VIF waveform
CIRCUIT ALIGNMENT
VIF ALIGNMENT
0.002
µ
F
75
Ω
1k
Ω
a
b
10k
Ω
Input probe (A)
Output probe
SW222
IC101
VR401
H-CENTRE
Q1006
A101
TUNER
IC270
SW451
V-CENTRE
IC451
V-Output
Q881
IF/CHROMA/VIDEO/DEF.
> SERVICE
VR431
V-SIZE
Q202
IC280
TV/A
V SW
.
IC1003
Q1005
Q351
102
Q856
Q101
VR120
AGC
K801
SCART Terminal
R145
Q436
Q1008
Q154
Q153
Q152
Q134
Q781
Q773
Q772
Q771
Q857
Q858
Q131
Q132
T101
L230
Q852
Q851
Q434
Q121
Q133
JR012
Detector adjustment I
MAIN BOARD
38.9MHz
P
DETECTOR
ADJUSTMENT II
R352 & R382
IC101-48 p
Tuner IF
(Side b)
R145 & SW220
No
No
L'
9
By using T101, adjust "P"
to be maximum amplitude.
34.3MHz
Detector adjustment II