-4-
PN-2708N-A/B
pin 32
DQ 9
The data input / output.
pin 33
DQ 2
The data input / output.
pin 34
DQ 10
The data input / output.
pin 35
DQ 3
The data input / output.
pin 36
DQ 11
The data input / output.
pin 37
VCC
-
Positive supply voltage.
pin 38
DQ 4
The data input / output.
pin 39
DQ 12
The data input / output.
pin 40
DQ 5
The data input / output.
pin 41
DQ 13
The data input / output.
pin 42
DQ 6
The data input / output.
pin 43
DQ14
The data input / output.
pin 44
DQ 7
The data input / output.
pin 45
DQ 15/A-1
The data input/output,TheAddress signal input.
pin 46
VSS
-
Negative supply voltage.
pin 47
BYTE
IN
The data length selection(8bit/16bit).
pin 48
Address 16
IN
Address signal input.
ADJUSTMENT
FM noise
convergence
1. Input the 98.1MHz/55dBu(1kHz,30% MOD) signal. (Volume max.=0dB)
2. Adjust the outputs to -22+3/-3dB by VR102 when the SG output is set -20dBu.
SSG
Milli-volt meter
Item Procedure
Measuring
instrument
FM
Diversity
1. Use only Main side of the diver antenna receptacle.
2. SSG input the 98.1MHz(1kHz, 30% MOD) signal of Main side.
3. Turn VR101 until minimum level.
4. Connect a digital tester to TP101(DIV-TP).
5. Adjust VR101 to the point where the voltage starts just to increase(100mV approx).
SSG
Digital tester
SERVO
DRIVER
BL101
AM/FM
TUNER
LPF
IC104
LC72191
JM
CD CHANGER MECHANISM
RF & CDIC
DSP
CPU
IC405
NJM4558V
NAVI AMP
IC401
LC75412WS
ELECTRONIC
VOLUME
MUTE
IC203
S-80933
ANMP
IC202
M30624MGA-EM6GP
POWER
SUPPLY
PANEL SW
A/C
INTERFACE
J301
J602
J603
CONNECTOR
6. NAVI INPUT (+)
5. NAVI INPUT (-)
A. FR SP L-CH (+)
E. FR SP L-CH (-)
B. FR SP R-CH (+)
F. FR SP R-CH (-)
O. RR SP L-CH (+)
N. RR SP L-CH (-)
L. RR SP R-CH (+)
P. RR SP R-CH (-)
G. ANT SIGNAL
H. B/U
D. ACC
J. GND
M. GND
7. EARTH
8. SHEILD-EARTH
9. DATA GND
15. GND
1. CD L-CH INPUT (+)
5. CD L-CH INPUT (-)
2. CD R-CH INPUT (+)
6. CD R-CH INPUT (-)
10. REQ (CD-COMBI)
11. RXD (CD-COMBI)
3. TXD (COMBI-CD)
IC103
RDS
SAA6581
IC403,406
NJM4556AL
BUFFER AMP
IC404,407
NJM4556AL
BUFFER AMP
K. AMP ON
IC101
LA1061M
DIVER-IC
880-1921V
MAIN
SUB
AUD-DCU
INTERFACE
7. TX (AUD-DCU)
8. RX (DCU-AUD)
16. GND
IC402
NJM4565V
AUX AMP
1. L-CH INPUT (+)
3. L-CH INPUT (-)
6. R-CH INPUT (-)
7. R-CH INPUT (+)
2. AUDIO-ON
4. DVD-ON
8. GND
AUX / COMBI-ON
INTERFACE
Q406,407
J401
BLOCK DIAGRAM
Main section