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XR-C6100 SERVICE MANUAL Saudi Arabia Model Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation. Tape Transport Mechanism Type MG-25F-136 “DOLBY” and the double-D symbol a are trade- marks of Dolby Laboratories Licensing Corporation.
SECTION 3 ASSEMBLY OF MECHANISM DECK Note: Follow the assembly procedure in the numerical order given. 7 Holder the hanger by bending the claw. HOUSING 5 Fit projection on C part. 1 Install the catch to the hanger. 2 Install the hanger onto two claws of the housing.
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LEVER (LDG-A) / (LDG-B) shaft A shaft A shaft B shaft B shaft C 1 Fit the lever (LDG-A) on shafts A – C and install it. 3 type-E stop ring 2.0 2 Fit the lever (LDG-B) on shafts A and B and install it.
SECTION 5 SECTION 4 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS TEST MODE 1. Clean the following parts with a denatured-alcohol-moistened swab: This set have the test mode function. In the test mode, FM Auto playback head pinch roller Scan/Stop Level and MW Auto Scan/Stop Level adjustments can rubber belt capstan be performed easier than it in ordinary procedure.
Dolby Level Adjustment TUNER SECTION 0 dB=1 µV Setting: Preset (DOLBY) button : NR OFF Cautions during repair SEL (BAS) button : Center When the tuner unit is defective, replace it by a new one be- SEL (TRE) button : Center cause its internal block is difficult to repair.
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FM Noise Focus Adjustment MW Auto Scan/Stop Level Adjustment Setting: Setting: [SOURCE] [SOURCE] [MODE] button : FM button : MW FREQUENCY SELECT switch : FM 50 k FREQUENCY SELECT switch : MW 9 k FM RF signal level meter antenna jack (J1) 30 Ω...
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Adjustment Location: – SET UPPER VIEW – Tape Speed Adjustment RV1 MW Auto Scan/Stop Level Adjustment RV2 FM Auto Scan/Stop Level Adjustment RV3 FM Noise Focus Adjustment RV4 FM Stereo Separation Adjustment RV131 RV231 (R-CH) (L-CH) Dolby Level Adjustment – SET BOTTOM VIEW – ...
Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus) BUSON Bus on/off control signal output to the bus interface (IC701) (for SONY bus) “L”: bus on SYSRST Reset signal output to the bus interface (IC701) (for SONY bus) “L”: reset AMPON Standby control signal output to the power amplifier (IC611) “L”: standby...
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Pin No. Pin Name Function Loading/tape operation motor control signal output to the LB1638M (IC361) LM EJ (For the eject direction and reverse side operation) *1 Forward/reverse direction control signal output to the CXA2510AQ (IC301) N/R OUT “L: forward direction, “H”: reverse direction P.ON Polar stereo detection signal output terminal “H”: polar stereo Not used (open) CM ON...
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Pin No. Pin Name Function Input of acknowledge signal for the key entry Acknowledge signal is input to accept function KEYACK and eject keys in the power off status On at input of “H” — Power supply terminal (+5V) X OUT Main system clock output terminal (5 MHz) X IN Main system clock input terminal (5 MHz)
6-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAM Note on Schematic Diagram: Note on Printed Wiring Boards: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...
SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...
SECTION 8 ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. are seldom required for routine service. parts list may be different from the parts speci- fied in the diagrams or the components used Some delay should be anticipated when order- on the set.
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MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-124-234-00 ELECT 22uF R906 1-216-053-00 METAL CHIP 1.5K 1/10W 1-124-234-00 ELECT 22uF R907 1-216-057-00 METAL CHIP 2.2K 1/10W 1-124-234-00 ELECT 22uF R908 1-216-061-00 METAL CHIP 3.3K 1/10W R909 1-216-065-00 RES,CHIP 4.7K...
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