Sanyo EP58B - Manual (Page 32)

61 62 SANYO TV . VCR SANYO TV .VTR
LA7161NM/NV
REG
4V
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
+
BIAS
BUF BUF
off
off
RF
MIXER
ANT SW
DRIVER
FM
OSC PLL
CLAMP
WHITE
CLIP
CARRIER
OFF SW
REF
OSC CHANNEL
PLL
RF
OSC
PSADJ
AUDIO_IN
FM_LPF
GND
VIDEO_IN CARR_OFF
CH
IN_XT
AL
REG RFOUT ANT_DR
V
V CC
1
RF_LPF V CC
2
OSC1 OSC2
62 SANYO TV . VCR
LA77000V
REG
4V
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
+
BIAS
BUF BUF
off
off
RF
MIXER
ANT SW
DRIVER
FM
OSC PLL
CLAMP
WHITE
CLIP
CARRIER
OFF SW
REF
OSC CHANNEL
PLL
RF
OSC
PSADJ
AUDIO_IN
FM_LPF
GND
VIDEO_IN
CARR_OFF
CH
IN_XT
AL
REG RFOUT ANT_DR
V
V CC
1
RF_LPF V CC
2
PLL
GND
RF GND
Block Diagram Block Diagram
Overview
Functions
Overview
Functions
VHF Band RF Module VHF Band RF Module
The LA7161NM and LA7161NV are VHF band RF modules that support channels 3 and 4 in the US, channels 1 and 2 in Japan, and
channel 13 in Taiwan. The LA77000V is a VHF band RF module that supports channels 3 and 4 in the US.
RF VCO
RF mixer
RF buffer
Video clamp
White clipping
FM audio demodulator
4 V regulator
Reference oscillator
Package: SSOP16 (225mil) RF VCO
RF mixer
RF buffer
Video clamp
White clipping
FM audio demodulator
4 V regulator
Reference oscillator
Packages: LA7161NM: MFP16 (225mil)
LA7161NV: SSOP16 (225mil)