Tuner Adjustments; Cd Pick-Up Maintenance - Sanyo DC-MCR60 Service Manual

TUNER ADJUSTMENTS

• Use a plastic screw driver for adjustments.
• Speaker impedance : 4 ohms
TP14
J4223
BEAT
PLAY_R
REC_R
REC_L
PLAY_L
TAPE_PLAY
SYNC_REC
+9.0V
GND
M_GND
J2312
J2112
J2113
J2114
R2205 R2205 R2205 R2205 R2205
T2002
1. FM
AdjustingCirc
Step
uit
IF(0V) FM ANT
1
Adjustment SG=66dBuV
2 Cover
3 Tracking
2. AM
AdjustingCirc
Step
uit
1
IF Adjustment
Cover
2
(MW)
Tracking
3
(MW)

CD PICK-UP MAINTENANCE

About pick-up (Optical lens) Cleaning
Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed.
Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..... manufactured by SANYO.)
Show a clean procedure in the following in reference by swab of cotton.
1. Cotton swab is wrapped with Cleaning paper.
2. Add the isopropyl alcohol.
3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
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• MODE : ST (Stereo)
• TUNING
TP13 T2001 TP15 TP11
J4320
J4321
15 10
J4325
J4326
R4745
R4734
R4107
J4119
VT
L2007
R2210
XF212
R2101
XF215
L2006
C2101
Q2110
E
C2104 C2118
C2103 C2103 C2103 C2103 C2103
Q2101
R2105 C2113
R2129 R2127
E Q2111
C2207 C2207 C2207 C2207 C2207
C2117
R2104 R2128
J2109
J2110
R2106
C2106
C2107 C2026
TP24 IC211
Antenna : 75Ω unbalanced direct, Modulation : 1 kHz
Dev. : ±22.5kHz(MONO), ±22.5kHz(STEREO),±6.75kHz(PILOT)
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Connection
Input Output
TP24,25
TP11 (H)
---
TP12 (E)
TP13 (L)
FM Ant
TP14 (R)
TP15 (E)
Anntena : IRE Loop(SG), Moduration : 1kHz 30%
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Connection
Input Output
TP13 (L)
Loop Ant
TP14 (R)
TP15 (E)
TP11 (H)
---
TP12 (E)
TP13 (L)
Loop Ant TP14 (R)
TP15 (E)
FM : 87.5 - 108MHz
AM : 522 - 1710 kHz (9 kHz steps)
520 - 1710 kHz (10 kHz steps)
TP12
R4716
D4953
Q4730
1
R4962 R4962 R4962
E
R4770 C4744
R4743 R4753
R4938
R4953
E
C4984
Q4106
Q4994
J4307
L2003
C2012
C2011
C2005 C2024
XF211
C2015
IC201
C2019
R2009
D2003 D2002
C2017 R2004 R2002
R2014 C2021 C2021 C2021
C2022 C2022 C2022
Q2002
C2003
R2011 R2011 R2011
FMOSC
J2101
J2201
J2304
E J2102
Q2201
C2119
C2120 C2120 C2120
C2131
C2140
J2202
E
J2203 MW OSC
Q2102
TP25 L2205
SG
Adjustment
Frequency
98.0MHz
87.5MHz
108.0MHz
90.0MHz
106.0MHz
SG
Adjustment
Frequency
450KHz
at 999kHz
522kHz
1710kHz
603kHz
1404kHz
- 2 -
L2002
D4951
C4951
R2005
D2004
D2005
CT211
L2204
Remark
(IC211 3-22pin)
T2002
0.0±0.05V
--- 1.50±0.5V Check Only
L2002 8.0±0.05V
--- Maximum
Remark
Maximum
T2001
L2205 1.00±0.05V
--- 7.50±0.50V Check Only
L2204
Maximum
CT211