Sanyo RM5008 User manual

SERVICE MANUAL
DIGITAL
CLOCK
RADIO
RM5008
wx,
RM5008 (europe)
RM5008 L (eurore)
PHOTO: RM5008 (EUROPE)
SPECIFICATIONS
Frequency range LW 150 — 285kHz (RM5008L EUROPE)
AM 525 — 1605 kHz (RM5008 U.K./EUROPE)
FM 87.5 — 108 MHz (RM5008 U.K.)
87.6 — 108 MHz (RM5008 EUROPE)
87.6 — 108 MHz (RM5008L EUROPE)
Intermediate frequency AM 470 kHz (RM5008 U.K.)
460 kHz (RM5008 EUROPE/RM5008L EUROPE)
FM 10.7 MHz
Speaker 77mm, 32 ohm
Power output 300mW (10% THD)
AC 240V, 50Hz (RM5008 U.K.)
AC 220V, 50Hz (RM5008 EUROPE/RM5008L EUROPE)
Battery backup 9V DC
Dimensions 220(W) x 122(D) x 60(H) mm Approx.
Weight 600g Approx.
WM-18233

EXPLODED VIEW

PARTS
LIST
a
PACKING & ACCESSORIES
PRODUCT SAFETY NOTICE
Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol A in the parts list and
the schematic diagram designate components in which safety can be of special significance. When replacing a component identified with
, use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in
the parts list in this manual.
Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply
circuit before returning the product to the customer.
MAIN P.C.B. ASSY
pee Part No. Description hee Part No. Description
141-6-145T-14400 | FOAM PLASTIC CASE, LEFT 21 141-4-285T-54403 | P.C BOARD ASSY, MAIN (G)
141-6-145T-14500 | FOAM PLASTIC CASE, RIGHT or 141-4-285T-54404 | P.C BOARD ASSY, MAIN (E)
141-6-231T-30300 | INNER POLYE COVER, SET or 141-4-285T-54405 | P.C BOARD ASSY, MAIN (L/E)
141-6-133T-75603 | INNER CORR CASE (G) 141-2-430T-00600 | EYELET, FOR VR
or 141-6-133T-75604 | INNER CORR CASE (E) 4-236T-16771 | PLUG, FOR LED
or 141-6-133T-75605 | INNER CORR CASE (L/E) vC1~4, 4-224T-21900 | V.C
141-6-409T-28604 | INST MANUAL (G) vCT1~4 4-224T-21900 | V.C
or 141-6-409T-28605 | INST MANUAL (E,L/E) CT1,2 4-224T-15471 | TRIMMER 30PF (L/E)
7301 4-256T-38910 | |.F.T, FMV" CURVE
7302 4-256T-28410 | |.F.T, FM'S” CURVE
CABINET
&
CHASSIS
T303
4-256T-22910
|
|.F.T,
AM
(GE)
Ref.
we
or
4-256T-26710
|
|.F.T,
LW
(L/E)
No. Part No. Description L101 4-265R-12610 | VHF COIL
| |L102 4-265R-00410 | VHF COIL
1 141-0-124T-51104 | TOP LID ASSY, WHITE (G) L103 4-265T-02710 | VHF COIL, FM ANT
or 141-0-124T-51105 | TOP LID ASSY, WHITE (E) L104 4-265R-10510 | VHF COIL, FM OSC (G)
or 141-0-124T-51106 | TOP LID ASSY, WHITE (L/E) or 4-265T-51310 | VHF COIL, FM OSC (E,L/E)
D 141-0-125T-41604 | BOTTOM LID ASSY (G) L105 4-257T-66500 | ANT COIL, AM ANT (GE)
or 141-0-125T-41605 | BOTTOM LID ASSY (E) or 4-257T-76200 | ANT COIL, AM ANT (L/E)
or 141-0-125T-41606 | BOTTOM LID ASSY (L/E) L106 4-258T-31610 | OSC COIL, AM OSC (G)
3 141-2-165T-07100 | ROTARY KNOB, TUNING or 4~258T-49810 | OSC COIL, LW OSC (L/E)
4 141-2-163T-68901 | ROTARY KNOB, VOLUME or 4-258T-60010 | OSC COIL, AM OSC (E)
5 141-2-164T-44200 | SLIDE KNOB, FUNCTION or 4-258T-60012 | OSC COIL, AM OSC (E)
6 141-2-511T-31300 | POINTER CF301 4-256T-80400 | |.F FILTER 10.70MHZ RED
7 141-2-340T-02530 | ROPE 0.25X600MM or 4-256T-80471 | |.F FILTER 10.67MHZ BLUE
8 141-2-128T-13300 | BATTERY LID or 4-256T-80472 | |.F FILTER 10.73MHZ ORANGE
or 4-256T-80473 | |.F FILTER 10.64MHZ BLACK
or 4-256T-80474 | |.F FILTER 10.76MHZ WHITE
FIXING PARTS CF302 4-256T-81171 | |.F FILTER 460KHZ (E)
Ref. i or 4-256T-81172 | |.F FILTER 470KHZ (G)
No. Part No. Description or 4-256T-83371 | |.F FILTER 460KHZ (L/E)
$1 4-248T-17200 | SWITCH, BAND SELECT
Yl BJN2S++325+Z1 | PAN HD 2 TAPPING SCREW 3X25 S2 4-238T-57371 | SWITCH, FUNCTION
Y2 BJX6S++3+8+Z1 | PAN WASHER HD 2 VR701 4-222T-43900 | VARIAVLE RESISTOR 10KD
TAPPING SCREW 3X8 TP1~4 4—237T-00171 | TERMINAL BOARD
Y3 BJN2S++3+8+Z1 | PAN HD 2 TAPPING SCREW 3X8 1C101 SIBA4403+++++ | IC BA4403 SIP7
Y4 BJNBS1R7+5+Z1 | PAN HD SCREW 1.7X5 1C301 SIBA4236L++++ | IC BA4236L DSI18
Y5 BJNBS2R6+6+Z1 | PAN HD SCREW 2.6X6 1C701 S1BA5404+++++ | IC BA5404 SIP9
Y6 BJN2S2R6+6+Z1 | PAN HD 2 TAPPING SCREW 2.6X6 IC751 SILM8560B++++ | IC LM8560B DIP28
Q751 STC536+G+++U+ | TR 2SC536 G AUD
Q752 STC536+Gt++U+ | TR 2SC536 G AUD
ELECTRICAL PARTS Q753 STC536+G+++U+ | TR 2SC536 G AUD
[Ref
aan
D101
SDDS442+X++++
|
DIODE
DS442
X
No. Part No. Description or SD1N4148++++T | DIODE 1N4148
D701 SLSL2042++1++ | LED SL2042 12H, CLOK (G)
11 A 4-320T-14600 | P.T (G) or SLSL2042++T++ | LED SL2042 24H, CLOK (E,L/E)
or A 4-320T-21700 | P.T (E,L/E) D751 SDDS135+E++++ | DIODE DS135 E
12 4-151T-50000 | SPEAKER 32 OHM or SD1N4003+++++ | DIODE 1N4003
or 4-151T-60200 | SPEAKER 32 OHM D752 SDDS135+E++++ | DIODE DS135 E
13 4-243R-02191 | BATT LEAD or SD1N4003+++++ | DIODE 1N4003
14 A 4-243T-84973 | POWER CORD (E,L/E) D753 SDDS135+E++++ | DIODE DS135 E
or A 4-243T-85273 | POWER CORD (G) or SD1N4003+++++ | DIODE 1N4003
15 124-2-369S-00200 | BRACKET COIL D754 SDDS442+X++++ | DIODE DS442 xX
16 A 4-285T-54500 | P.C BOARD, POWER SUPPLY or SD1N4148++++T | DIODE 1N4148
17 A 4-285T-66900 | P.C BOARD, SOFT TOUCH SW D755 SDGZA150Y++++ | ZENER DIODE GZA15Y
18 4-248T-12600 | KEY BOARD SWITCH, $3

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ADJUSTMENT OF TUNER
Europe, U.K. Set the DC12V, Speaker Impedance is 32 ohms. Standard output: 50mvV (1.26V)
AM Band Input (Test Point) Output (Test Point)
: 460kHz (Europe)
LF Speaker Terminals 470kHz (U.K.) T303
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‘THIGH Serer ae 1400kHz VCT-3
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145kHz
T60ktH2
Repeat adjustment 2, 3, 4 and 5.
| Step | FM Band Input (Test Point) Output (Test Point) SG Frequency | Adjustment | Note |
- IC101 1 pin(H) | 1C301 11 pin(H) | 407 aa T301 ae
: a TP2LE) & 7302 (E) : ae el
87.4+0.1—0.15 MHz
3 LOW (Europe, L/Europe) L104
87 MHz (U.K.)
Bee 108.5 40.3 MHz
(Europe, L/Europe) VCT-2
109 MHz (U.K.)
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TP1 (H) & Speaker terminals
* For V curve adjustment, deviate the T302 in pulling out direction, and adjust with T301.
DIAL CORD STRINGING
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