Samsung DVD-VR320/COM, Manual

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Circuit Operating Descriptions
14-42 Samsung Electronics
PIN NO. PIN NAME DC VOLT. SIGNAL REMARK
41 CCA Reference CCA Reference for R-CH
42 NR Empha NR Empahasis for R-CH
43 NR Waiting Filter 2.5 V NR Waiting Filter 2 For R-CH
44 NR Waiting Filter 2.5 V NR Waiting Filter 1 For R-CH
45 NR Waiting Det - - Terminal for waiting dector
46 Vcc 5V 5 V Power Supply for in/out Select
47 ALC Input (R) 2.5 V -21 dBV ALC Input Terminal
48
Input changeover
2.2 V -21 dBV
PB/REC sitch output .
switch output (R) Transform R/P signals into DC.
49 Mute Control
50 GND GND FOR ANALOGE
51 FSC IN 200 mVp-p 3.58 Mhz input
52 DC Reg 1.2 V Bandgap Power supply for MTS
53 Stereo PLL filter 3.8 V LPF for Stereo PLL
54 Vcc 5V 5 V Power Supply for MTS Select
55 Pilot Canceller f 3.8 V CTL Pin of cancel signal for pilot C.
56 FM Filter Filter for making stable dc
57 SIF Input SIF Audio input from TM Block
58 REG Filter 4.5 V Filter of reference voltage source.
59 Filter Auto Adjust 3.8 V Loof filterof PLL for auto adj
60 Pilot Det Filter 3.8 V Detection for pilot detection circuit
61 PC_DC_MO 3.3 V Absorbing the DC offset
62 PCDOUT 3.8 V Absorbing the DC offset
63 PCDIN 3.8 V Absorbing the DC offset
64 PCDBXIN 2.6 V Absorbing the DC offset
65 Main V/I convert 3.8 V Converting the voltage of signal
66 SPE Det V/I convert 3.8 V Connecting pin of smooth capacity of detection circuit.
67 Spectral DET Converting the voltage of signal
68 Wide Band Det Connecting pin of smooth capacity of detection circuit.
69 EXT1-INPUT (R) 0 -28.2 dBV Line Input 1 ( FRONT )
70 GND GND FOR MTS
71 EXT2-INPUT (R) 0 -28.2 dBV Line Input 2 ( REAR )
72 Wid det V/I convert 3.8 V Converting the voltage of signal
73 EXT3-INPUT (R) 0 -28.2 dBV Line Input 3 ( DVD )
74 Monitor Input (R) 2.5 V DVD Audio (R) Input
75 PCDCOSPE Absorbing the DC offset
76 PC_OUT_DBX 3.3 V Absorbing the DC offset
77 LINE MUTE ( R ) 0 / 5 - Reduce the line out noise.
78 Line out (R-CH)
79 GND GND FOR AUDIO
80 Line out (L-CH)