Kenwood KRF-V6200D Service Manual page 13

CIRCUIT DESCRIPTION / ADJUSTMENT
Pin No. Pin Name
33 FILT1
34 VA
35 AGND
36 /RESET
37 DD
38 DC
39 AUDATA2
40 AUDATA1
41 AUDATA0
42 LRCLK
43 SCLK
44 MCLK
● LC72725KV (IC761: X08) Port Description
Pin No. Pin Name
1 RDS-ID/READY
2 RDDA
3 Vref
4 MPXIN
5 Vdda
6 Vssa
7 FLOUT
8 CIN
9 TEST
10 MODE
11 Vssd
12 Vddd
13 XIN
14 XOUT
15 RST
16 RDCL
ADJUSTMENT
No ITEM INPUT SETTING
IDLE CURRENT
1
(BIAS CURRENT)
2 OFFSET
I/O
- External fi lter for PLL
- Power supply for clock generator (+2.5V)
- Ground for PLL of clock generator
I Master reset input port
- Pulled up
- Pulled up
O Digital audio output port-2
O Digital audio output port-1
O Digital audio output port-0
I/O Audio output sampling rate clock
I Audio output bit clock
I/O Audio master clock
I/O
O RDS-ID/READY output
O RDS data output
O Standard voltage output (Vdda/2)
I Base band (MPX) input
- Analog power supply (+3V)
- Analog gnd.
O Sub carrier output (Filter output)
I Sub carrier input (Comparator input)
I Test signal input
I Read mode setting (0: master, 1: slave)
- Digital gnd.
- Digital power supply (+3V)
I Crystal oscillator input (External standard signal input)
O Crystal oscillator output (4.332MHz)
I RDS-ID/RAM reset
I/O RDS clock output (master), RDS clock input (slave)
OUTPUT SETTING
Connect VOM to
CN7 (L-ch) or
No Signal
CN6 (R-ch)
X09-703
No Signal Speaker terminals
KRF-V6200D/V7200D
Description
*book referred to maker's semiconductor handbook
Description
*book referred to maker's semiconductor handbook
RECEIVER
ALIGNMENT POINT
SETTING
VR3 (L-ch)
VOLUME:
VR4 (R-ch)
Minimum
X09-703
VR1 (L-ch)
VOLUME:
VR2 (R-ch)
Minimum
X09-703
Adjust every potentiometers 10 minutes later after turning on.
ALIGNMENT
FIG.
SETTING
17.6mV
0+-20mV
13