TUNER/AUDIO/IF BLOCK DIAGRAM
2
4
3
PB
ADI AUTO
BIAS AC
1
REC
23
5
REC
+
-
EQ
7
8
22
15
REC
+
-
REC
14
10
12
LINE
TUNER
ALC
MUTE
+
-
AUDIO REC/PB AMP
IC5001
LA7289
AE/FE HEAD
AV SW AUDIO IN
2
3
PF5001
VCR AUDIO OUT
TU VIDEO (B)
SWD_VIDEO_IN
AV SW VIDEO IN
Q6002
BUFFER
CP6115
4
IF
20
EQ AMP
19
VIDEO
AMP
17
IF AGC
IF AMP
6
5
12
LIM
FM DET
10
VIF/SIF
IC6001
M52313SP
11
2
TU6001
5
4
1
CF6004
SAW FILTER
Q6003
AMP
2
VCR AUDIO OUT
Q6101
T. AUDIO
MUTE
TU MUTE
Q6104
BUFFER
AFT S. CURVE
TV
5
4
6
2
1
3
T5001
Q5004
BIAS OSC
AUDIO PB
AUDIO REC
SYSCON/OPE./
POWER/IN/OUT
Y/C/HEAD AMP
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
TUNER VIDEO SIGNAL
AUDIO SIGNAL (REC)
AUDIO SIGNAL (PB)
8
5
VT DRIVER
IC6302 LA6358T
IC6303
UPC574J
7
6
+30V
PWM VT
Q6304
VOLTAGE
CONVERTER
TEST POINT
TU.VIDEO(B)
I-4