Sony MHC-6800 Service Manual page 47

TABLE OF CONTENTS
Section Title Page Section Title Page
1, GENERAL
1-1. Parts Identification ......-. 6.0... eee eee e eee 8 5. DIAGRAMS
5-1. Circuit Boards Location ........---......65+ wsng:
2. DISASSEMBLY 5-2. Semiconductor Lead Layouts ...........---+++ 10
2-1, Cassette Lid Assy 4 5-3, Printed Wiring Boards-Main Section- +12
2-2. SW Board 4 5-4. Schematic Diagram-Main Section- ........ 1
2-3." Cassette Retainer tx22c- cn sida mtatiren p v a r e sees 4 5-5. Schematic Diagram-Connector/Power Section-..21
2-4, Front Panel Assy 4 5-6. Printed Wiring Boards-Connector/Power
2-5. MD Block Rage Section» <4 hax kes cesarean ar sesh es Setaaniin ae 25
2-6. TC Main Board .........---:seeceeee rece en nee ed
2-7, Power Board - 4 6. EXPLODED VIEWS
2-8. Mechanism Deck a 6-1. Cabinet Section ........-.
2-9, Capstan/Reel Motor . . 5 6-2. Cassette Holder Section......
2-10. Head Base Assy - 5 6-3. Mechanism Deck Section (1)
3. MECHAINICAL ADJUSTMENTS .................. 6
7. ELECTRICAL PARTS LIST
4. ELECTRICAL ADJUSTMENTS .................... 6
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SECTION 1
GENERAL
1-1, PARTS IDENTIFICATION
6-4. Mechanism Deck Section (2)
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Tape operation buttons (for Deck A)
D>: Forward play
<I: Reverse play
O: Stop
"44 AMS pe: Fast winding
Cassette holder (Deck A)
AUTO REC LEVEL (Automatic Recording
Level) indicator (72, 84, 86)
Cassette holder (Deck B)
3] Tape operation buttons (for Deck B)
D>: Forward play
<i: Reverse play
O: Stop
+4. AMS pe: Fast winding
6] & Eject button (Deck B)
Recording operation buttons (for Deck 8)
PAUSE [il button (72, 76)
MUTE © (muting) button (74)
REC © (recording) button (72)
Deck A status display
Dubbing mode display
CD SYNCHRO display
Deck B status display
Tape direction mode display
AMS display
Counter display
DOLBY NR display
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30
29222922902 PVP DP IPED PEP P PPD PD DRI
This section is extracted from
instruction manual. y
RESET button (64)
Resets the counter of the cassette deck to
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COUNTER AVB selector button (64)
Display window
13] DIRECTION MODE button (64, 70, 72, 76)
DOLBY NR (Dolby Noise Reduction)
selection button (66, 72)
DUBBING MODE button (76)
CD SYNCHRO FADE (Fade Synchro)
button and indicator (84)
CD SYNCHRO C. FADE (Cross Fade
Synchro) button and indicator (86)
& Eject button (Deck A)