Yamaha DVX-S60, Service Manual

Page: 44 / 108

DVR-S60/NX-SW60
44
• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 8 ohm
SG RF Level : 75
Ω
open Voltage dB
µ
V
Antenna : 75
Ω
unbalanced Direct, Modulation : 1 kHz
Dev. : MONO
±
22.5kHz /
±
STEREO 22.5kHz (MAIN)
±
6.75kHz(PILOT)
Output Level : about 100mV at TP25,TP26,TP27
L2031
CN201
L2034-a
R2046
TP11
(VT)
TP12
(GND)
TP27
(GND)
TP26
(RCH)
TP25
(LCH)
TP32
(IC202 22PIN)
FM SG IN
75 OHM
TP31
(IC202 3PIN)
L2033
T2001
0V ALIGNMENT
J2025
J2063
J2061
J2057
J2024
AM LOOP
ANT
J2056
CN201
L2034-a
R2046
TP11
(VT)
TP12
(GND)
TP27
(GND)
TP26
(RCH)
TP25
(LCH)
TP32
(IC202 22PIN)
FM SG IN
75 OHM
TP31
(IC202 3PIN)
T2001
0V ALIGNMENT
J2047
J2093
J2092
J2089 J2090
J2046
AM LOOP
ANT
J2088
U, C, R, T, K, A. J models
G, B models
■
TUNER ADJUSTMENTS / チューナー部調整
1 . F M
S t e p Adjusting
Connection
S G S e t Adjustment Remark
Circuit
I n p u t O u t p u t
Frequency Position
1 IF Alignment
FM ANT.
SG=66dB µ V
TP31 (IC202 3pin)
TP32 (IC202 22pin)
U, C, R, T, K, A, G, B : 98.1MHz
J : 83.0MHZ
U, C, R, T, K, A : 90.1MHz
J : 78.3MHZ
U, C, R, T, K, A : 106.1MHz
J : 88.2MHZ
--- T2001 0.0 +/- 0.05V
2 Voltage
range
---
Connect Digital DC voltmeter
U, C : 87.9 MHz
R, T, K, A : 87.5MHZ
J : 76.0MHZ Low L2033 1.1+/- 0.1V
---
to TP11(H), TP12(E).
U, C : 107.9 MHz
R, T, K, A : 108.0MHZ
J : 90.0MHZ High --- about 6.2V
3 Tracking Connect FM SG to FM Antenna Connect to VTVM
Low L2031
Max.
(SG=8dB
µ
V)
TP25(L) or TP26(R), TP27(E)
High ---
2 . A M
S t e p Adjusting
Connection
S G S e t Adjustment Remark
Circuit
I n p u t O u t p u t
Frequency Position
1
---
Connect Digital DC voltmeter
U, C, R : 520kHz
T. K, A, G, B, J : 522kHz
U, C, R : 600kHz
T. K, A, G, B, J : 603kHz
U, C, R : 1400kHz
T. K, A, G, B, J : 1404kHz
U, C, R, T, K, A : 1710kHz
G, B : 1611kHz
J : 1629kHz
Low --- more than 0.8V
---
toTP11(H), TP12(E).
High --- less than 8.0V
2 Tracking Connect AM SG to Connect to VTVM
Low L2034-a
Max.
Test loop Ant.(SG=80dB
µ
V)
TP25(L) or TP26(R), TP27(E).
High ---
Voltage
range