AT7400
Owner Manual Rev. 2.0 – October 2006-10-23
Section 3 - 9/39
3.2.1. Module 4453 - External Connections
LOCAL OSCILAT OR
CIM3443
MIXER
CIM3442
(BK) NO IF ALARM
? PIN 5- CON-6 – CIM3297 – SCU
5
6
7
8
9
(GY) +12V
? CON-6 – CIM3458– MO D.4470 – VOL TAGE REGUL ATORS
(BR) +5V
? CON-2 – CIM3459 – MOD. 4456 – POWER SUPPLY
(WH / RD) ALC (POWER CONTROL)
? PIN 4 – CON-1 – CIM3297 – SCU
(SH) GROUND
? PIN 2 – CON-1 – CIM3297 – SCU
1
2
3
4
CON-7
CON-1
CON-2
CON-3
CON-4
CON-5
CON- 6
LO OUTPUT
CON-6
CON-3
(50
Ω
BELDEN CABLE ) I
+
SIGNAL
? CON- 9 – CIM3444 – MOD.4454 – 8VSB MODULATOR
(50
Ω
BELDEN CABLE ) I
–
SIGNAL
? CON-8 – CIM3444 – MOD.4454 – 8VSB MO DULATOR
(50
Ω
BELDEN CABLE ) Q
+
SIGNAL
? CON- 6 – CIM3444 – MOD.4454 – 8VSB MODULATOR
(50
Ω
BELDEN CABLE ) Q
–
SIGNAL
? CON- 6 – CIM3444 – MOD.4454 – 8VSB MODUL ATOR
(50
Ω
BELDEN CABLE ) 14MHz REFERENCE
? CO N- 2 – CIM345 6 – MOD.4466 – DDS
2
1
6
5
4
3
(BK) -15V
? CON-3 – CIM3461 – MOD. 445 6 – PO WER SUPPLY
(WH) GROUND
? CON- 5 – CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(OR) +3.3V
? CON- 8– CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(BL) +15V
? CON- 2 – CIM3461 – MOD. 4456 – POWER SUPPL Y
(VM) +32V
? CON- 10 – CIM34 47 – MOD.445 6 – POWER SUPPLY
(OR) VCO4 CONTROL
? PIN 8 – CON-4 – CIM3297 – SCU
CON-2
7
8
9
(VL) VCO3 CONTROL
? PIN 6 – CON- 4 – CIM3297 – SCU
(GY) VCO2 CONTROL
? PIN 2 – CON-4 – CIM3297 – SCU
(BR) VCO1 CONTROL
? PIN 6 – CON-3 – CIM3297 – SCU
2
1
6
5
4
3
(BR) DIV1
? PIN 5 – CON- 5 – CIM3297 – SCU
(WH) GROUND
? CON- 5 – CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(CZ) DIV0
? PIN 6 – CON-5 – CIM3297 – SCU
(OR) DIV2
? PIN 4 – CON-5 – CIM3297 – SCU
(BK) DIV3
? PIN 3 – CON-5 – CIM3297 – SCU
(VL) DIV4
? PIN 2 – CON- 5 – CIM3297 – SCU
CON-1
7
8
9
(VM ) DIV5
? PIN 1 – CON- 5 – CIM3297 – SCU
(GR) LOCK DETECTOR ALARM
? PIN 3 – CON-6 – CIM3297 – SCU
(50
Ω
BELDEN CABLE ) UHF / ATSC CHANNEL TV
? CON -1 – CIM3446 – MOD.4455 – 30W UHF EXCITER
CON- 4
CON-5
LOCAL OSCILAT OR
CIM3443
MIXER
CIM3442
(BK) NO IF ALARM
? PIN 5- CON-6 – CIM3297 – SCU
5
6
7
8
9
(GY) +12V
? CON-6 – CIM3458– MO D.4470 – VOL TAGE REGUL ATORS
(BR) +5V
? CON-2 – CIM3459 – MOD. 4456 – POWER SUPPLY
(WH / RD) ALC (POWER CONTROL)
? PIN 4 – CON-1 – CIM3297 – SCU
(SH) GROUND
? PIN 2 – CON-1 – CIM3297 – SCU
1
2
3
4
CON-7
CON-1
CON-2
CON-3
CON-4
CON-5
CON- 6
LO OUTPUT
CON-6
CON-3
(50
Ω
BELDEN CABLE ) I
+
SIGNAL
? CON- 9 – CIM3444 – MOD.4454 – 8VSB MODULATOR
(50
Ω
BELDEN CABLE ) I
–
SIGNAL
? CON-8 – CIM3444 – MOD.4454 – 8VSB MO DULATOR
(50
Ω
BELDEN CABLE ) Q
+
SIGNAL
? CON- 6 – CIM3444 – MOD.4454 – 8VSB MODULATOR
(50
Ω
BELDEN CABLE ) Q
–
SIGNAL
? CON- 6 – CIM3444 – MOD.4454 – 8VSB MODUL ATOR
(50
Ω
BELDEN CABLE ) 14MHz REFERENCE
? CO N- 2 – CIM345 6 – MOD.4466 – DDS
2
1
6
5
4
3
(BK) -15V
? CON-3 – CIM3461 – MOD. 445 6 – PO WER SUPPLY
(WH) GROUND
? CON- 5 – CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(OR) +3.3V
? CON- 8– CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(BL) +15V
? CON- 2 – CIM3461 – MOD. 4456 – POWER SUPPL Y
(VM) +32V
? CON- 10 – CIM34 47 – MOD.445 6 – POWER SUPPLY
(OR) VCO4 CONTROL
? PIN 8 – CON-4 – CIM3297 – SCU
CON-2
7
8
9
(VL) VCO3 CONTROL
? PIN 6 – CON- 4 – CIM3297 – SCU
(GY) VCO2 CONTROL
? PIN 2 – CON-4 – CIM3297 – SCU
(BR) VCO1 CONTROL
? PIN 6 – CON-3 – CIM3297 – SCU
2
1
6
5
4
3
(BR) DIV1
? PIN 5 – CON- 5 – CIM3297 – SCU
(WH) GROUND
? CON- 5 – CIM345 8 – MOD.4470 – VOLTAGE REGUL ATORS
(CZ) DIV0
? PIN 6 – CON-5 – CIM3297 – SCU
(OR) DIV2
? PIN 4 – CON-5 – CIM3297 – SCU
(BK) DIV3
? PIN 3 – CON-5 – CIM3297 – SCU
(VL) DIV4
? PIN 2 – CON- 5 – CIM3297 – SCU
CON-1
7
8
9
(VM ) DIV5
? PIN 1 – CON- 5 – CIM3297 – SCU
(GR) LOCK DETECTOR ALARM
? PIN 3 – CON-6 – CIM3297 – SCU
(50
Ω
BELDEN CABLE ) UHF / ATSC CHANNEL TV
? CON -1 – CIM3446 – MOD.4455 – 30W UHF EXCITER
CON- 4
CON-5