39
NO
NAME
PORT
IN/OUT
ASSIGNMENT
ACTIVE
1
IIC CLK
P80/PBCTLmom
OUTPUT
HIFI, EEPROM IC CLOCK SERIAL
2
LMref(H)
P77
3
CAP PWM
P76/PWM1
OUTPUT
CAPSTAN CONTROL PWM OUTPUT
PULSE
4
DRUM PWM
P75/PWMO
OUTPUT
DRUM CONTROL PWM OUTPUT
PULSE
5
S/REEL
P74/INT1
INPUT
SUPLY REEL PULSE INPUT
PULSE
6
T/REEL
P73/INT0
INPUT
TAKE-UP REEL PULSE INPUT
PULSE
7
SP (H)
P72/TB3IN
OUTPUT
IN SP MODE, HIGH OUTPUT
HIGH
8
L P (H)
P71/TB1IN
OUTPUT
IN SLP MODE, HIGH OUTPUT
HIGH
9
SLP (H)
P70/TB0IN
OUTPUT
IN SLP MODE, HIGH OUTPUT
HIGH
10
SAP (L)
P67/RTP15P/P-Hsy
INPUT
SAP DATA INPUT
LOW
11
REMOCON IN
P66/RTP14/GEN
INPUT
REMOCON DATA INPUT PORT
PULSE
12
CAP. I. LIM
P65/RTP13
OUTPUT
CAPSTAN I. CONTROL
LOW
13
CAP F/R
P65/RTP12
OUTPUT
CAPSTAN MOTOR FWD/RVS
L/H
14
SLOW STEP CTL
P63/RTP11
OUTPUT
15
C. ROTARY
P62/RTP10/EXOR1
OUTPUT
COLOR ROTARY
PULSE
16
H/A/AMP
P61/RTP9/EXOR0
OUTPUT
HEAD AMP SWITCHING
PULSE
17
ENVE COMP
P60/RTP8/EXORin
INPUT
ENVELOPE COMPARE DETECT INPUT
PULSE
18
V. SWP
P57/RTP7
OUTPUT
VIDEO SWITCHING
PULSE
19
Q-Vsync
P56/RTP6
OUTPUT
Q-Vsync OUTPUT
PULSE
20
A. SWP
P55/RTP5
OUTPUT
AUDIO SWITCHING
PULSE
21
RECORD CTL
P54/RTP4/TB2in
OUTPUT
PULSE
22
CAP FG
P53/RTP3/CPFGin
INPUT
CAPSTAN FG INPUT
HIGH
23
DRUM PG
P52/RTP2/DRPGin
INPUT
DRUM PG INPUT
HIGH
24
DRUM FG
P51/RTP1/DRFGin
INPUT
DRUM FG INPUT
HIGH
25
PB CTL
P50/RTP0/CTLin
OUTPUT
HIGH
26
Vcc
Vcc
Vcc
27
CAM D
P47
INPUT
CAM DATA INPUT
LOW
28
CAM C
P46
INPUT
LOW
29
CAM B
P45
INPUT
LOW
30
CAM A
P44
INPUT
PULSE
31
LM FWD
P43
OUTPUT
LOADING MOTOR FWD
PULSE
32
LM RVS
P42
OUTPUT
LOADING MOTOR RVS
PULSE
33
PB (L)
P41
OUTPUT
IN PLAYBACK MODE LOW OUTPUT
L/H
34
REC (H)
P40
OUTPUT
IN REC MODE, HIGH OUTPUT
L/H
35
GND
NUMA
GND
36
GND
NUMB
GND
37
RESET
RESET
INPUT
RESET INPUT PORT
LOW
38
Xin
Xin
INPUT
14.31MHZ OSC IN
LOW
39
Xout
Xout
OUTPUT
14.31MHZ OSC OUT
40
CLK/SEL
CLKSEL
INPUT
GND
LOW
41
Vss
Vss
GND
42
Xcin
P140/Xcin
INPUT
32.768KHZ OSC IN
43
Xcout
Xcout
OUTPUT
32.768KHZ OSC OUTPUT
44
EE (L)
P32
OUTPUT
IN EE MODE LOW OUTPUT
LOW
45
TRICK (H)
P31
OUTPUT
IN TRICK PLAY MODE, HIGH OUTPUT
HIGH
46
A MUTE (H)
P30
OUTPUT
AUDIO MUTE HIGH OUTPUT
HIGH
47
STEREO (L)
P21
INPUT
STEREO DATA INPUT
LOW
48
DRUM SELECT
P20
INPUT
SYSTEM DRUM SELECT
H/L
1) PIN NAME & FUNCTION OF I-CHIP MICOM
CIRCUIT OPERATIONS
1. TIMER/SERVO/SYSCON CIRCUIT
Содержание DV-K784N-JJ
Страница 35: ...34 AC001 K884NZ SJ M K884NZ SG M only...
Страница 36: ...35...
Страница 37: ...36...
Страница 38: ...37...
Страница 39: ...38...
Страница 66: ...65 ELECTRICAL ADJUSTMENTS Fig 1 Circuit Board Location...
Страница 99: ...98 INTERCONNECT WIRING DIAGRAM K884N K784N K804N Hi Fi INTERCONNEC WIRING DIAGRAM REV 1 97 2 5...
Страница 100: ...99 POWER SUPPLY SCHEMATIC DIAGRAM FREE VOLTAGE K884NY SJ M K884NZ SJ M K884NZ SG M...
Страница 101: ...100 POWER SUPPLY SCHEMATIC DIAGRAM 120V ONLY K884N SJ K884N JJ K884N SG K784N SJ K784N JJ K784N SG 804N SJ...
Страница 102: ...101 PRE AMP SCHEMATIC DIAGRAM K884N K784N 804N Hi Fi PREAMP SCHEMATIC DIAGRAM REV 1 97 2 5...
Страница 103: ...102 VIDEO AUDIO SCHEMATIC DIAGRAM K884N K784N K804N...
Страница 104: ...103 PIF MPX SCHEMATIC DIAGRAM K884N K784N K804N Hi Fi PIF MPX SCHENATIC DIAGRAM REV 1 97 2 5...
Страница 105: ...104 TIMER SYSCON SCHEMATIC DIAGRAM K884N K784N K804N...
Страница 106: ...105 Hi Fi AUDIO SCHEMATIC DIAGRAM K884N K784N K804N Hi Fi AUDIO SCHEMATIC DIAGRAM REV 1 97 2 5...
Страница 107: ...106 POWER SUPPLY BLOCK DIAGRAM FREE VOLTAGE K884NY SJ M K884NZ SJ M K884NZ SG M...
Страница 108: ...107 POWER SUPPLY BLOCK DIAGRAM 120V ONLY K884N SJ K884N JJ K884N SG K784N SJ K784N JJ K784N SG...
Страница 109: ...108 PRE AMP BLOCK DIAGRAM K884N K784N K804N Hi Fi PREAMP BLOCK DIAGRAM REV 1 97 2 5...
Страница 110: ...109 VIDEO AUDIO BLOCK DIAGRAM K884N K784N K804N Hi Fi VIDEO BLOCK DIAGRAM REV 1 97 2 5...
Страница 111: ...110 PIF MPX BLOCK DIAGRAM K884N K784N K804N Hi Fi PIF MPX BLOCK DIAGRAM REV 1 97 2 5...
Страница 113: ...112 Hi Fi AUDIO BLOCK DIAGRAM K884N K784N K804N AUDIO BLOCK DIAGRA REV 1 97 2 5...
