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
T2002
1. FM
AdjustingCirc
Step
uit
IF(0V)
1
Adjustment
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.
• MODE : ST (Stereo)
• TUNING
TP13 T2001 TP15
J4320
J4321
15 10
J4325
J4326
R4734
R4107
J4119
J2312
L2007
J2112
R2210
XF212
J2113
J2114
R2101
XF215
L2006
C2101
Q2110
E
C2104
C2103 C2103 C2103 C2103 C2103
Q2101
R2205 R2205 R2205 R2205 R2205
R2105 C2113
R2129 R2127
Q2111
E
C2207 C2207 C2207 C2207 C2207
C2117
R2104 R2128
J2109
J2110
R2106
C2106
C2107
TP24 IC211
Antenna
Dev.
RF Level
Output Level : about 30mV at TP13, TP14, TP15
Connection
Input
FM ANT
SG=66dBuV
---
FM Ant
Anntena
RF Level
Output Level : about 30mV at TP13, TP14, TP15
Connection
Input
Loop Ant
---
Loop Ant
FM : 87.5 - 108MHz
AM : 522 - 1710 kHz (9 kHz steps)
520 - 1710 kHz (10 kHz steps)
TP11 TP12
R4716
Q4730
1
R4962 R4962 R4962
E
R4770 C4744
R4743 R4753
R4938
C4984
Q4106
J4307
R4745
L2003
C2012
C2011
XF211
C2015
IC201
VT
C2019
R2009
D2002
D2003
C2017 R2004 R2002
R2014
Q2002
C2003
R2011 R2011 R2011
FMOSC
J2201
J2304
E
C2118
Q2201
C2119
C2120 C2120 C2120
C2140
J2202
E
MW OSC
J2203
C2026 Q2102
TP25
: 75Ω unbalanced direct, Modulation : 1 kHz
: ±22.5kHz(MONO), ±22.5kHz(STEREO),±6.75kHz(PILOT)
: dBuV EMF
SG
Frequency
Output
TP24,25 98.0MHz
TP11 (H) 87.5MHz
TP12 (E) 108.0MHz
TP13 (L)
90.0MHz
TP14 (R)
106.0MHz
TP15 (E)
: IRE Loop(SG), Moduration : 1kHz 30%
: dBuV EMF
SG
Frequency
Output
TP13 (L)
450KHz
TP14 (R)
at 999kHz
TP15 (E)
TP11 (H) 522kHz
TP12 (E) 1710kHz
TP13 (L)
603kHz
TP14 (R)
1404kHz
TP15 (E)
- 2 -
L2002
D4953
D4951
C4951
R4953
E
Q4994
C2005 C2024
C2021 C2021 C2021
C2022 C2022 C2022
R2005
J2101
D2004
J2102 D2005
C2131
CT211
L2205 L2204
Adjustment
(IC211 3-22pin)
T2002
--- 1.50±0.5V Check Only
L2002
---
Adjustment
T2001
L2205
--- 7.50±0.50V Check Only
L2204
CT211
Remark
0.0±0.05V
8.0±0.05V
Maximum
Remark
Maximum
1.00±0.05V
Maximum