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HCD-GRX8/R800/ RX88/RX99
AEP Model UK Model
HCD-RX88/RX99
SERVICE MANUAL
E Model
HCD-GRX8/R800
Australian Model
HCD-GRX8
HCD-GRX8/R800/RX88/RX99 is the tuner, deck, CD and amplifier section in MHC-GRX8/R800/RX88/RX99.
Photo: HCD-GRX8
Model Name Using Similar Mechanism CD Mechanism Type CD SECTION Base Unit Type Optical Pick-up Type TAPE DECK SECTION Model Name Using Similar Mechanism Tape Transport Mechanism Type
HCD-H991AV CDM38L-5BD29AL/ CDM38LH-5BD29AL BU-5BD29AL KSS-213D/Q-NP NEW TCM-230AWR1/230PWR1
SPECIFICATIONS
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COMPACT DISC DECK RECEIVER
MICROFILM
–1–
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HCD-GRX8/R800/RX88/RX99
7-4. SCHEMATIC DIAGRAM — CD SECTION — • See page 35 for Waveforms. • See page 85 for IC Block Diagrams. • See page 88 for IC Pin Functions.
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7-5. SCHEMATIC DIAGRAM – TUNER SECTION – (AEP, UK, German model) • See page 36 for Waveforms. • See page 83 for IC Block Diagrams.
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HCD-GRX8/R800/RX88/RX99
7-8. SCHEMATIC DIAGRAM – TUNER SECTION – (East European, CIS model) • See page 36 for Waveforms. • See page 83 for IC Block Diagrams.
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7-9. SCHEMATIC DIAGRAM – DECK SECTION – • See page 87 for IC Block Diagrams.
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HCD-GRX8/R800/RX88/RX99
7-12. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –
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7-13. SCHEMATIC DIAGRAM – MAIN (2/4) SECTION – • See page 36 for Waveforms. • See page 51 for Printed Wiring Board. • See page 93 for IC Pin Functions.
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HCD-GRX8/R800/RX88/RX99
7-14. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION – • See page 51 for Printed Wiring Board.
(Pasge 53)
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7-15. SCHEMATIC DIAGRAM – MAIN (4/4) SECTION – • See page 51 for Printed Wiring Board.
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7-16. SCHEMATIC DIAGRAM – MIC/HP SECTION – • See page 87 for IC Block Diagrams.
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HCD-GRX8/R800/RX88/RX99
7-19. SCHEMATIC DIAGRAM – POWER SECTION –
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7-20. SCHEMATIC DIAGRAM – TRANSFORMER SECTION – • See page 63 for Printed Wiring Board. (POWER BOARD)
(Page 66)
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HCD-GRX8/R800/RX88/RX99
7-21. PRINTED WIRING BOARD – TRANSFORMER SECTION – • See page 20 for Circuit Boards Location.
7-22. PRINTED WIRING BOARD – LEAF SW SECTION – • See page 20 for Circuit Boards Location.
• Indication of transistor
(Page 51)
BC E These are omitted
7-23. SCHEMATIC DIAGRAM – LEAF SW SECTION –
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HCD-GRX8/R800/RX88/RX99
7-25. SCHEMATIC DIAGRAM – DISPLAY SECTION – • See page 36 for Waveforms. • See page 87 for IC Block Diagrams. • See page 96 for IC Pin Functions.
(Page 75)
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HCD-GRX8/R800/RX88/RX99
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7-26. SCHEMATIC DIAGRAM – PANEL SECTION –
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7-28. SCHEMATIC DIAGRAM – CD MOTOR SECTION – • See page 87 for IC Block Diagrams.
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7-30. IC BLOCK DIAGRAMS
• Tuner section IC21 LC72130
AOUT2 AOUT1 XOUT AMIN FMIN AIN2 AIN1 VDD VSS PD2 PD1 IO2
IC1701 IR3R42
SUBOUT MON SUBIN LPF1A LPF1B LPF2A LPF2B 12 DETIN GND 11 10 LAMP VCO 17 AMP 1/2 AMP PHASE 13 1/2 OSC PHASE COMPARATOR PHASE COMPARATOR 2 TRIGGER
20
19 18
16
15
14 13
24 23 22
21
20
19
18
17
16
15
14
PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR REFERENCE DIVIDER SWALLOW COUNTER 1/16, 1/17 4BITS REGULATOR 1/2 AMP
WAVEFORM SEP. POWER ON RESET GATE SAMPLE & HOLD BUFFER 4 RHC 5 LHC 6 7 ROUT LOUT 8 ST MUTE
1 VCC
2 IN
3 POUT
9 VCO STOP
12BITS PROGRAMMABLE DRIVER
IC1702 MC14053BCP
B1 C2B I/F DATA SHIFT REGISTER LATCH UNIVERSAL COUNTER B0 C1 C.COM 1 XIN 2 BO5 3 4 5 6 CE D1 CL D0 7 BO1 8 BO2 9 BO3 10 BO4 11 IO1 12 IFIN CO INH VEE VSS 5 6 7 8 1 2 OPEN 3 4 OPEN 12 A0 11 A 10 B 9 C 14 A.COM 13 A1 16 VDD 15 B.COM
IC1751 NJM4558D
A OUT 1 A – + A IN– 2 A IN+ 3 VEE 4 + – 6 B IN– 5 B IN+ B 8 VCC 7 B OUT
OPEN
IC41 LA1838
AM-DET OUT FM-DET OUT AMP OUT R AMP OUT L OSC.BUFF FM-SD.ADJ
IC1752 BU1922
TSTLD 9.