FUNAI HDR-B2735D, Руководство по обслуживанию

Страница: 67 / 94

1-16-2 E434GPIN
Notes:
Abbreviation for Active Level:
PWM -----Pulse Wide Modulation
A/D--------Analog - Digital Converter
IC612 (FRONT PANEL CONTROL)
68 OUT DRV-DATA VFD Driver IC Control Data
69 OUT DRV-STB
VFD Driver IC Chip Select
Signal
70 OUT DRV-CLK
VFD Driver IC Control Clock
71 OUT
IIC-BUS-
SCL
IIC BUS Control Clock
72
IN/
OUT
IIC-BUS-
SDA
IIC BUS Control Data
73 -
NU Not Used
74 - NU Not Used
75 OUT P-ON-H
Power On Signal to High
76 OUT C-CONT Capstan Motor Control Signal
77 OUT D-CONT
Drum Motor Control Signal
78 OUT C-F/R
Capstan Motor FWD/REV
Control Signal (FWD=“L”/
REV=“H”)
79 IN S-REEL Supply Reel Rotation Signal
80 IN
T-REEL Take Up Reel Rotation Signal
81 OUT
LM-FWD/
REV
Loading Motor Control Signal
82 - NU Not Used
83 OUT
VCR-
AUDIO-
MUTE
Audio Mute Control Signal
(Mute = “H”)
84 - NU Not Used
85 - NU Not Used
86 -
NU Not Used
87 IN C-FG
Capstan Motor Rotation
Detection Pulse
88 - AMPVss AMPVss
89 - GND GND
90 IN D-PFG
Drum Motor Phase/
Frequency Generator
91 -
AMPVREF
out
V-Ref for CTL AMP
92 -
AMPVREF
in
V-Ref for CTL AMP
93 - P80/C P80/C Terminal
94
IN/
OUT
CTL (-)
Playback/Record Control
Signal (-)
95
IN/
OUT
CTL (+)
Playback/Record Control
Signal (+)
96 - AMPC
CTL AMP Connected
Terminal
97 - CTL
To Monitor for CTL AMP
Output
98 - AMPVcc AMPVcc
99 - AVcc
A/D Converter Power Input/
Standard Voltage Input
100 - NU Not Used
Pin
No. IN/
OUT
Signal
Name
Function
Pin
No. IN/
OUT
Signal
Name
Function
1 IN CLK Clock Input
2 IN STB Serial Interface Strobe
3 - NU Not Used
4 - NU Not Used
5 - VSS GND
6 - VDD Power Supply
7 OUT a
Segment Output
8 OUT b
9 OUT c
10 OUT d
11 OUT e
12 OUT f
13 OUT g
14 OUT h
15 - VEE Pull Down Level
16 OUT i Segment Output
17
OUT
7G
Grid Output
18 6G
19 5G
20 4G
21 3G
22 2G
23 1G
24 - VDD Power Supply
25 - VSS GND
26 IN OSC Oscillator Input
27 - NU Not Used
28 IN DIN Serial Data Input