Alpine 7516M - Page 42

Q213 Q50! Q214,502 Q212,211
£9 LOW /D TOIVIIVE (910M//1 IMM
/7516L /7516L
Q503 Q505 Q805, 504
Q803
——H Vvoo
(RESET
————HF IN INT
——HI IN PAU
E22!
4.7/25
+H
R249 vR2Or
“R222 Q210_—|
220-1/8
RR50 *
G222 [| LOUDNESS
4.7725
20202 ia) MUTE
HZSSCLL ad MAI65TA
Tor 4 E233 l
M1 0214 -|-->
10/16
FMC2 |
a |
| oh @) | wre
DTCI24K
Ke)
PWR ICON
AREA!
50]
OoTl24K T
R521 _ | ow
22k | [Eo 1( o#
(a
EYk= =
Ae,
DTAI24 g2498
CHG.O
BAT+5
IGN+5
PWR SWON
PWR ON
PWR+ts
AREA |
a BAT
tic Diagram 4/4)
IN PAUSE SWITCH
1c 80]
080!
0826, 808, 807
OUT _REMOTE SWITCHING
Q809
Q810, 818, 819,820 812,815,817
Q821 825
Q824
ANTENNA
SWITCHING
OUT-
L78LROSDFA
R822
2.2K-1/8
CURRENT LIMITER
| qai2 r-®
| DTCI24K
z
7
3
®)
PWR IC ON
REGULATOR (LCD BACK LIGHTING)
P}
oc oom ae OER,
L_. KEY~BL POWER ON
V.
STABILIZER
POWER
ON
Rese
eas
(ACC
5V)
SWITCHING
\
39-1/4
1C802 0826
M5236ML AUDIO +B 2581238
Xf TTT ey
REF, VOLT.
ENE RATION
Q808
DTC 143K
DIMMER
CONTROL
Diagram (3/4)
=
=
o
=
o
=
°
wn
o
eC
DK ON/OFF
DK ON/OFF
MUTE ON/OFF
MUTE ON/OFF
14.
Q8ll 14.1V 14.1V 13.4
Q812 ov ov 9.7V
Q813 14.1V 14.1V 13.4
Q814 ov ov 5.1V
Q817 ov/0V Ov/4.9V 3.8V/0 | DK ON/OFF
Q818 9.3V 14.2V 9.9V
Q819 14.3 14.2V 13.5
Q820 ov ov 5V
Q821 14.3V 14.2V 3.5V
Q824 ov 0.1 1.9
Q825 ov 11.9V ov
Q826 14.2V 8.5V 3.5V
1
OV/5.1V
1C501
1 | PULSE 17 | 33 | OV/5.1V | L/M. HM 49 | 0V/4.7V | LOUD ON/OFF
2 | 5.1¥/0V | PACK DN/OUT 18 | PULSE 34] OV 50} OV
3 | 5V/0V__| PLAY/PAUSE 19 | 5.1V/0V | POW ON/OFF 35} OV 51 | OV/4.7V | RADIO/TAPE
4| 5V/OV | FF,REW/OTHERS | 20| 5V 36 | OV 52 | PULSE
5 | 5V/OV | EJECT ON/OFF | 21 | PULSE 37 | 5.1V/0V | POW ON/OFF 53 | 5V
6 | 5V/0V__| FOR/REV 22 | 5. 2V/0V | CHG/OTHERS 38 | OV 54 | PULSE
7 | 5.1V/0V | RESET ON/OFF | 23 | OV 39 | OV 55 | PULSE
8 | PULSE 24 | 5.2V/0V | DOLBY B ON/OFF | 40 | PULSE 56 | OV/5V | EJECT ON/OFF
9 | PULSE 25 | PULSE 41 | PULSE 57 | SV
10 | OV 26 | OV 42 | PULSE 58 | 5V
ll | ov 27 | 0V/4.3V | POW ON/OFF 43 | PULSE 59 | OV/5.1V | MUTE ON/OFF
12] 5V PLAY 28 | ov 44) 4.9V 60 | 5.1V/OV | 0.REM ON/OFF
13 | 5V/0V | FOR/REV 29 | PULSE 45 | PULSE 61 OUT INT ON/OFF
14 | 5V¥/0V | PACK YES/NO 30 | 4.8V 46 | PULSE 62 | 5.2V/0V | IN INT ON/OFF
15 | OV 31] 5.1V 47 | PULSE 63 | 4.3V/0V | 1.PAUSE ON/OFF
18 | OV 32 | 5.1V 48 | 4.9V 64} OV
RESET ON/OFF
0V/5.1V
RESET ON/OFF
ov ov 2.8V
14.2V ov 14.3V
0V/4.7V 4.3V/0V 4.3V/4.1V 9.9V/0V 1P/OTHERS
ov 5.1V 5.1V 6.8V
ov Sv 5.1V 5.1V
Ov/14V 13.8V/0V 13.9V/14.1V | 5V/0V DK ON/OFF
0.1V 4.7V ov
1 2 3 4 5 6 MODE
Q505 ov ov 4.8V 4.8V 4.8V ov RESET
Difference List (* Mark)
[Measuring Conditions]
* Power Supply Voltage : DC14.4V
* Measuring Meter : Digital Multimeter
+ Measuring Point Reference :
+ Measuring Conditions :
Tape :
FM : 98
LW: 21
MW : 99
Blank
. LMHz
6kHz
9kHz
J
Between Ground
No Signal Input
NOTES:
All resistance values are in ohms.
Ts
2. All capacitance values are in microfarads.
—54—
J
£808 41-16 41-16 x
Q211.212 DIC323TK | DIC323TK | x
Q219,220 DIC323TK | DTC323TK | x
Q815 FMC2 FMC2 x
Q817 DICL24K | DICL24K | x
R219.220 5.6K 5.6K 1.8K
R229 680 680 x
R249.250 100 100 x
R825 2.2K-1/8 | 2. 2K-1/8 | X
R826 AK-1/4 | IK-1/4 x
VR201 100K 100K 20K
10K
K
10K
K = 1,000
P=
{
1,000,000