46
4) The name and function of Pins of Switching IC (LA7152); Hi-Fi Only
5) The name and function of Pin on MPX module (Hi-Fi Only)
Pin No.
Name
Function
1
INPUT 1
N.C
2
CONTROL 1
GND
3
INPUT 2
Tuner INPUT PIN
4
CONTROL 2
TUNER/LINE SELECT, TUNER 'H'
5
GND
GND
6
INPUT 3
LINE INPUT PIN
7
MUTE
N.C
8
OUTPUT
VIDEO OUTPUT PIN
9
Vcc
Vcc 5V
Pin No.
Name
Function
1
Vcc
Connects to +9V
2
L+R OUT
L+R output pin with de-emphasis characteristics
3
L OUT
Left side line out pin
4
R OUT
Right side line out pin
5
MUTE
Suppress the output of Pins 2, 3 and 4.
Operates at H level (2.0 to Vcc)
6
F SAP
Mode control switch, connects to GND
At L (GND), SAP discrimination automatic selection mode
7
FORCED
Selection of monural and stereo operations
8
MS 0
Mode control switch
9
MS 1
Mode control switch
10
SAP IND
When a SAP broadcast signal is detected, the SAP indicator is driven.
The maximum drive current at open collector output is 25mA.
11
ST IND
When a stereo braodcast signal is detected, the stereo indicator is driven. The maximum
drive current at open collector output is 25mA.
12
MPX IN
Composite signal is applied to this pin. Standard input signal level at monaural mode
(400Hz) is 0.7Vp-p (247mV rms, –9.9dBm).
13
GND
Connects to GND
M0
M1
L OUT
R OUT
H
L
L+R
L+R
L
H
L
R
Summary of Contents for DV- K504N-SJ
Page 35: ...34 AC001 K584NZ SJ M K584NZ SG M only...
Page 36: ...35...
Page 37: ...36...
Page 38: ...37...
Page 39: ...38...
Page 60: ...59 ELECTRICAL ADJUSTMENTS Fig 1 Circuit Board Location...
Page 92: ...91 INTERCONNECT WIRING DIAGRAM K584N K484N K384N K284N...
Page 93: ...92 POWER SUPPLY SCHEMATIC DIAGRAM FREE VOLTAGE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 95: ...94 2HD HEAD AMP SCHEMATIC DIAGRAM K384N K284N K304N...
Page 96: ...95 4HD HEAD AMP SCHEMATIC DIAGRAM K584N K484N K504N...
Page 97: ...96 VIDEO AUDIO SCHEMATIC DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 98: ...97 PIF INPUT SELECTOR SCHEMATIC DIAGRAM 9V USE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 100: ...99 TIMER SYSCON SCHEMATIC DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 101: ...100 POWER SUPPLY BLOCK DIAGRAM FREE VOLTAGE K584NY SJ M K584NZ SJ M K584NZ SG M...
Page 103: ...102 2HD HEAD AMP BLOCK DIAGRAM K384N K284N K304N...
Page 104: ...103 4HD HEAD AMP BLOCK DIAGRAM K584N K484N K504N...
Page 105: ...104 VIDEO AUDIO BLOCK DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 106: ...105 PIF INPUT SELECTOR BLOCK DIAGRAM K584N K484N K384N K284N K504N K304N...
Page 109: ...108 MAIN PCB 2HEAD 4HEAD...