Hitachi DV-PF3A(S) Service Manual page 98

Dvd player & video cassette recorder
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Pin
IN/
Signal
No.
OUT
Name
53
-
OSDVcc
54
-
NU
COLOR-
55
IN
IN
56
-
NU
57
-
NU
58
IN
C-SYNC
59 OUT 8POUT-1
60 OUT 8POUT-2
61
-
NU
62
-
NU
63
-
NU
64
-
NU
65
-
NU
66 OUT C-POW-
SW
67 OUT P-ON-H
68 OUT DRV-
DATA
69 OUT DRV-STB VFD Driver IC Chip
70 OUT DRV-CLK VFD Driver IC
71 OUT IIC-BUS-
SCL
IN/
IIC-BUS-
72
OUT
SDA
73 OUT P-OFF-H Power Off at High
OUTPUT-
74 OUT
SELECT
DVD-
75
IN
POWER-
MONITOR
76 OUT C-CONT
77 OUT D-CONT
78 OUT C-F/R
40
Active
Function
Level
OSDVcc
Not Used
SECAM or
MESECAM Chroma
Video Input Signal at
Super Impose
Not Used
Not Used
Composite
PULSE
Synchronized Pulse
Control SCART 1
8Pin Level by using
8POUT-1 and
8POUT-2
Control SCART 1
8Pin Level by using
8POUT-1 and
8POUT-2
Not Used
Not Used
Not Used
Not Used
Not Used
Capstan Power
Switching Signal
Power On Signal at
High
VFD Driver IC
Control Data
Select Signal
Control Clock
IIC BUS Control
Clock
IIC BUS Control Data
Output Select
DVD Power Monitor
Signal (P-off="L",
P-on="H")
Capstan Motor
PWM
Control Signal
Drum Motor Control
PWM
Signal
Capstan Motor FWD/
REV Control Signal
(FWD="L"/REV="H")
Pin
IN/
No.
OUT
-
79
IN
S-REEL
-
80
IN
T-REEL
Z/L
81 OUT LM-FWD/
REV
82 OUT LINE-
-
MUTE
-
83 OUT A-MUTE-
H
84 OUT FF/REW-
L
H/L
85
-
NU
P-DOWN-
86
IN
H/L
L
87
IN
C-FG
-
-
88
-
NU
-
89
-
NU
-
90
IN
D-PFG
-
AMPVRE
H/L
91
-
F OUT
AMPVRE
H
92
-
Fin
93
-
NU
H/L
IN/
94
CTL (-)
OUT
H/L
IN/
95
CTL (+)
OUT
H/L
96
-
AMPC
H/L
CTLAMP
97
-
out
H/L
98
-
AMPVcc
H
99
-
AVcc
H/L
100
IN
AGC
H/L
Notes:
Abbreviation for Active Level:
PWM -----Pulse Wide Modulation
A/D--------Analog - Digital Converter
H/L
Signal
Function
Name
Supply Reel
Rotation Signal
Take Up Reel
Rotation Signal
Loading Motor
Control Signal
Audio Mute Control
Signal
Audio Mute Control
Signal (Mute = "H")
CTL Frequency
Characteristics
Switching Signal (FF/
REW="L")
Not Used
Power Voltage Down
Detector Signal
Capstan Motor
Rotation Detection
Pulse
Not Used
Not Used
Drum Motor Phase/
Frequency Generator PULSE
V-Ref for CTL AMP
V-Ref for CTL AMP
Not Used
Playback/Record
Control Signal (-)
Playback/Record
Control Signal (+)
CTL AMP Connected
Terminal
To Monitor for CTL
AMP Output
AMPVcc
A/D Converter Power
Input/ Standard
Voltage Input
IF AGC Output Signal
Active
Level
PULSE
PULSE
H/L/
Hi-z
H
H
L
-
L
PULSE
-
-
-
-
-
H/L
H/L
-
PULSE
-
-
A/D

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