38
9. IC601 ( µ-COM)
NO NAME
ASSIGNMENT
ACTIVE
1
CTL/TEST
CONTROL PULSE TEST PORT
PULSE
2
VS/SHARP
E.E. : VS TUNING,
PULSE
PLAYBACK : SHARPNESS
3
CAP PWM
CAPSTAN CONTROL PWM
PULSE
OUTPUT
4
DRUM PWM
DRUM CONTROL PWM
PULSE
OUTPUT
5
S/REEL
SUPLY REEL PULSE INPUT
PULSE
6
T/REEL
TAKE-UP REEL PULSE INPUT
PULSE
7
MUTE 1
AUDIO/PIF MUTE 1
HIGH
8
DUAL
DUAL
HIGH
9
TAPE START
TAPE START SENSOR
LOW
DATA INPUT
10
N.C
11
REMOCON
REMOCON DATA INPUT PORT
PULSE
12
CAP. I. LIM
CAPSTAN I.CONTROL
LOW
13
CAP F/R
CAPSTAN FWD/RVS
L/H
14
PB (L)
PLAY LOW
LOW
15
C.ROTARY
COLOR ROTARY
PULSE
16
H.A/SWP
HEAD AMP SWITCHING
PULSE
17
ENVE/COMP
ENVELOPE COMPARE
PULSE
18
V.SWP
VIDEO SWITCHING
PULSE
19
Q-Vsync
Q-Vsync
PULSE/L
20
AUDIO SW
AUDIO SWITCHING
PULSE
21
TRICK/H
TRICK/HIGH
HIGH
22
REC (L)
REC : LOW
LOW
23
SP (H)
SP : HIGH
HIGH
24
LP (H)
LP : HIGH
HIGH
25
NICAM/A2
NICAM, A2
26
Vcc
Vcc
27
A MUTE (2)
AUDIO MUTE 2
28
POWER FAIL
POWER FAIL PORT
LOW
29
EE (L)
E.E : LOW
LOW
30
OSD STB
OSD STROBE
LOW
31
NTSC (H)
NTSC : HIGH
HIGH
32
LP TRICK
LP TRICK
HIGH
33
TV/VCR
TV/VCR : PORT
H/L
34
POWER/ON
POWER ON/OFF CONTROL
L/H
PORT
35
NUMA
GND
36
NUMB
GND
NO NAME
ASSIGNMENT
ACTIVE
37
RESET
RESET INPUT PORT
LOW
38
Xin
16MHZ OSC IN
39
Xout
16MHZ OSC OUT
40
CLK/SEL
RESET : 32KHZ OSCILLATION
LOW
41
Vss
GND
42
Xcin
32.768KHZ OSC IN
43
Xcout
32.768KHz OSC OUT
44
TV/LINE
TV/LINE : PORT
H/L
45
LM/ON
LOADING MOTOR ON
HIGH
46
LM F/R
LOADING MOTOR FWD/RVS
L/H
47
CST/DOWN
CASSETTE DOWN OUT
LOW
48
REC SAFETY
REC SAFETY SW DATA INPUT
LOW
49
CAM A
CAM A DATA INPUT
LOW
50
CAM B
CAM B DATA INPUT
LOW
51
CAM C
CAM C DATA INPUT
LOW
52
CAM D
CAM D DATA INPT
LOW
53
VL
BAND LOW : HIGH OUT
HIGH
54
VH
BAND HIGH : HIGH OUT
HIGH
55
VU
BAND UHF : HIGH OUT
HIGH
56
AFT DEFEAT
PAL TUNING :
HIGH
AFT DEFEAT ON OUTPUT
57
STEREO
STEREO: HIGH
HIGH
58
VPS DATA
VPS CONTROL : SERIAL DATA
SERIAL
59
VPS CLK
VPS CONTROL : SERIAL CLOCK
SERIAL
60
EEPROM STB
EEPROM STORBE
HIGH
61
EEPROM CLK
EEPROM SERIAL CLOCK
SERIAL
62
EEPROM
EEPROM SERIAL DATA
SERIAL
DATA
63
A/V CLOCK
A/V CONTROL SERIAL CLOCK
SERIAL
64
A/V DATA
A/V CONTROL SERIAL DATA
SERIAL
65
AMP Vcc
AMP Vcc
66
DRUM/PG
DRUM PG INPUT
PULSE
67
DRUM/FG
DRUM FG INPUT
PULSE
68
CAP/FG
CAPSTAN FG INPUT
PULSE
69
Vref OUT
AMP REFERENCE Vcc
70
Vref In
AMP REFERENCE Vcc
71
CLAMPF
REFERENCE TO CTL CIRCUIT
72
CLAMPR
REFERENCE TO CTL CIRCUIT
73
CTLAMPout
REFERENCE TO CTL CIRCUIT
74
AMPC
REFERENCE TO CTL CIRCUIT
75
CTLAMPin
REFERENCE TO CTL CIRCUIT
76
CTL+SWout
REFERENCE TO CTL CIRCUIT
Summary of Contents for DV-F952N
Page 1: ...DAEWOO ELECTRONICS CO LTD Service Manual MODEL DV F952N...
Page 17: ...17 4 2 CONNECTION DIAGRAM CIRCUIT DV F952N...
Page 18: ...18 4 3 POWER CIRCUIT...
Page 19: ...19 4 4 SERVO LOGIC CIRCUIT...
Page 20: ...20 4 6 LOGIC CIRCUIT DV F952N...
Page 21: ...21 4 7 HEAD AMP CIRCUIT...
Page 22: ...22 4 8 VIDEO CIRCUIT...
Page 23: ...23 4 9 Hi Fi AUDIO...
Page 24: ...24 4 10 PIF NICAM MODULE...
Page 25: ...25 4 11 PIF MPX CIRCUIT 2 CARRIER...
Page 26: ...26 4 12 PIF CIRCUIT...
Page 27: ...27 4 13 OSD CIRCUIT...
Page 28: ...28 4 14 VPS PDC CIRCUIT...
Page 29: ...29 4 15 IN OUT SW CIRCUIT I...
Page 30: ...30 4 16 IN OUT SW CIRCUIT II...