Linux version 2.6.18-chw-13 (root@mythtv) (gcc version 4.1.2 20061115 (prerelea$
ivtv: Start initialization, version 1.1.0
ivtv0: Initializing card #0
ivtv0: Autodetected Hauppauge card (cx23415 based)
ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
ivtv0: YUV filter table not found in firmware.
tuner 1-0043: chip found @ 0x86 (ivtv i2c driver #0)
tda9887 1-0043: tda988[5/6/7] found @ 0x43 (tuner)
tuner 1-0043: type set to tda9887
tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
msp3400 1-0040: MSP4448G-A2 found @ 0x80 (ivtv i2c driver #0)
msp3400 1-0040: MSP4448G-A2 supports radio, mode is autodetect and autoselect
saa7115 1-0021: saa7115 found (1f7115d0e100000) @ 0x42 (ivtv i2c driver #0)
tveeprom 1-0050: Hauppauge model 48132, rev K168, serial# 7391318
tveeprom 1-0050: tuner model is LG TAPE H001F MK3 (idx 68, type 47)
tveeprom 1-0050: TV standards NTSC(M) (eeprom 0x08)
tveeprom 1-0050: audio processor is MSP4448 (idx 27)
tveeprom 1-0050: decoder processor is SAA7115 (idx 19)
tveeprom 1-0050: has radio, has IR receiver, has no IR transmitter
tveeprom 1-0050: decoder processor is SAA7115 (idx 19)
tveeprom 1-0050: has radio, has IR receiver, has no IR transmitter
ivtv0: Autodetected Hauppauge WinTV PVR-350
saa7127 1-0044: saa7127 found @ 0x88 (ivtv i2c driver #0)
tuner-simple 1-0061: type set to 47 (LG NTSC (TAPE series))
tuner 1-0061: type set to LG NTSC (TAPE series)
ivtv0: Registered device video0 for encoder MPG (4096 kB)
ivtv0: Registered device video32 for encoder YUV (2048 kB)
ivtv0: Registered device vbi0 for encoder VBI (1024 kB)
ivtv0: Registered device video24 for encoder PCM (320 kB)
ivtv0: Registered device radio0 for encoder radio
ivtv0: Registered device video16 for decoder MPG (1024 kB)
ivtv0: Registered device vbi8 for decoder VBI (64 kB)
ivtv0: Registered device vbi16 for decoder VOUT
ivtv0: Registered device video48 for decoder YUV (1024 kB)
ivtv0: Initialized card #0: Hauppauge WinTV PVR-350
ivtv: End initialization
bttv: driver version 0.9.17 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
bttv: driver version 0.9.17 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
ir-kbd-i2c: i2c IR (Hauppauge) detected at i2c-1/1-0018/ir0 [ivtv i2c driver #0]
saa7130/34: v4l2 driver version 0.2.14 loaded
cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.6 loaded
cx88/2: cx2388x dvb driver version 0.0.6 loaded
cx88/2: registering cx8802 driver, type: dvb access: shared
lirc_dev: IR Remote Control driver registered, at major 61
cx88/0: cx2388x v4l2 driver version 0.0.6 loaded
lirc_i2c: chip found @ 0x18 (Hauppauge IR)
lirc_dev: lirc_register_plugin: sample_rate: 10
ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
ivtv0: Loaded v4l-cx2341x-dec.fw firmware (262144 bytes)
ivtv0: Encoder mailbox not found
ivtv0: Retry loading firmware
ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
ivtv0: Loaded v4l-cx2341x-dec.fw firmware (262144 bytes)
ivtv0: Encoder mailbox not found
ivtv0: Failed to initialize on minor 224
ivtv0: Encoder mailbox not found
ivtv0: Failed to initialize on minor 224
ivtv0: Failed to initialize on minor 240
ivtv0: Failed to initialize on minor 232
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 16
ivtv0: Failed to initialize on minor 24
ivtv0: Failed to initialize on minor 32
ivtv0: Failed to initialize on minor 48
ivtv0: Failed to initialize on minor 224
ivtv0: Failed to initialize on minor 240
ivtv0: Failed to initialize on minor 232
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 16
ivtv0: Failed to initialize on minor 24
ivtv0: Failed to initialize on minor 32
ivtv0: Failed to initialize on minor 48
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 224
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 224
ivtv0: Failed to initialize on minor 240
ivtv0: Failed to initialize on minor 232
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 16
ivtv0: Failed to initialize on minor 24
ivtv0: Failed to initialize on minor 32
ivtv0: Failed to initialize on minor 48
ivtv0: Failed to initialize on minor 224
ivtv0: Failed to initialize on minor 240
ivtv0: Failed to initialize on minor 232
ivtv0: Failed to initialize on minor 0
ivtv0: Failed to initialize on minor 16
ivtv0: Failed to initialize on minor 24
ivtv0: Failed to initialize on minor 32
ivtv0: Failed to initialize on minor 48
ivtv0: Failed to initialize on minor 0

After reading some posts, it appears that I have a hardware failure. I am going to contact Hauppauge tech suport.