Zenith ABV341 Series, Руководство по обслуживанию

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3-22 3-23
2. TU/IF BLOCK DIAGRAM
5.3V
A
5.0V GND
CAP
VCC
REG 12V
33V
DRUM VCC
PWR CTL
'H'
GND
HSR 'H'
GND GND
FD(-) FD(+)
-27V
A
PMP01-PPM01
1 2 3 4 5 6 7 8 9
10
11
12 13 14 15
A.IN CH S/W REG 5V CONTROL V
.IN
RF AGC NC ENABLE CLOCK D
ATA
AFT A.OUT SIF TU 30V NC V
.OUT
999
GND
83
PWR CTL
'H'
81
HSR 'H'
1
1
0
FD(-)
109
FD(+)
108
-27V
A
100 AFT
732 TU.V.OUT
103
DRUM VCC
102
REG 12V
104
CAP
VCC
107
REG 5V
786
REG 9V
875 MOD A.IN
61 MOD CTL
106 5.0V
26 VCR 'H'
671 MOD V.IN
71 IIC CLK
72 IIC DATA
781 SIF OUT
1 2 3 4 5 6 7 8 9
10
11
12 13 14 15 16
REG. BLOCK
5V
REG. BLOCK
9V
ZENITH