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HCD-GRX8/R800/ RX88/RX99
SERVICE MANUAL
AEP Model UK Model
HCD-RX88/RX99
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
-- Continued on next page --
COMPACT DISC DECK RECEIVER
MICROFILM
1
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.
(Page 56)
39
40
HCD-GRX8/R800/RX88/RX99
7-5. SCHEMATIC DIAGRAM TUNER SECTION (AEP, UK, German model) · See page 36 for Waveforms. · See page 83 for IC Block Diagrams.
(Page 53)
41
42
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.
(Page 53)
45
46
HCD-GRX8/R800/RX88/RX99
7-9. SCHEMATIC DIAGRAM DECK SECTION · See page 87 for IC Block Diagrams.
(Page 54)
47
48
HCD-GRX8/R800/RX88/RX99
7-12. SCHEMATIC DIAGRAM MAIN (1/4) SECTION
(Page 41, 45)
(Page 70) (Page 48)
(Page 55)
(Page 55)
(Page 59)
(Page 59)
(Page 55) (Page 57) (Page 57) (Page 59)
53
54
HCD-GRX8/R800/RX88/RX99
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.
(Page 54)
(Page 40)
(Page 54)
(Page 80)
(Page 80)
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(Page 59)
(Page 60)
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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)
(Page 53)
(Page 59)
(Page 59)
57
58
HCD-GRX8/R800/RX88/RX99
7-15. SCHEMATIC DIAGRAM MAIN (4/4) SECTION · See page 51 for Printed Wiring Board.
(Page 55)
(Page 55)
(Page 55)
(Page 56)
(Page 54)
(Page 54)
(Page 54)
(Page 58)
(Page 58)
(Page 73)
59
(Page 65)
(Page 65)
60
7-16. SCHEMATIC DIAGRAM MIC/HP SECTION · See page 87 for IC Block Diagrams.
(Page 65)
(Page 65)
61
HCD-GRX8/R800/RX88/RX99
7-19. SCHEMATIC DIAGRAM POWER SECTION
(Page 61)
(Page 67)
(Page 60) (Page 67) (Page 61)
(Page 67)
(Page 60)
(Page 67)
(Page 67)
65
66
HCD-GRX8/R800/RX88/RX99
7-20. SCHEMATIC DIAGRAM TRANSFORMER SECTION · See page 63 for Printed Wiring Board. (POWER BOARD)
(Page 66)
(Page 66)
(Page 66)
(Page 66)
(Page 66)
67 68
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
(Page 54)
(Page 64)
69
70
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
7-26. SCHEMATIC DIAGRAM PANEL SECTION
(Page 74) (Page 73)
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75
76
HCD-GRX8/R800/RX88/RX99
7-28. SCHEMATIC DIAGRAM CD MOTOR SECTION · See page 87 for IC Block Diagrams.
(Page 56)
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79
80
HCD-GRX8/R800/RX88/RX99
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 8 SCOUT OSCO RDCL VDDD TEST 10 ANTIALIASING FILTER CLOCKED COMPARATOR VP1 GND VCC 6 TUNED 7 STEREO 8 VCC 9 FM DET 10 AM. SD 11 FM. SD 12 AM. SD ADJ 13 IF-BUFF MUTE 14 AM/FM 15 VCO-STOP REFERENCE VOLTAGE 7 CIN OSCI VSSD 11 TS7 15
AMP-IN R
AM-RF-IN
AMP-IN L
AM-OSC
16
14
13
12
MPX-IN
FM-AFC
OUT R
OUT L
AGC
REG
30
29
28 REG
27
26
25
24
23
22
21
20
19
18
17 16 OSCILLATOR AND DIVIDER 57kHz BANDPASS (8th ORDER)
TEST LOGIC AND OUTPUT SELECTOR SWITCH QUALITY BIT GENERATOR
ALC BUFF SD COMP
AM OSC
AM MIX
AM RF. AMP AGC
DECODER ANTI BIRDIE STEREO SW STEREO DRIVE
RECONSTRUCTION FILTER
AM IF AM/FM IF BUFF
MUTE DET AM S METER TUNING DRIVE FF VCO PHASE DET FF FF PILOT DET
DEFFERENTIAL DECODER
BIPHASE SYMBOL DECODER
CONTAS LOOP VARIABLE AND FIXED DIVIDER
FM S METER FM IF
S-CURVE FM DET
CLOCK REGENERATION AND SYNC
1 FM-IN
2 3 AM-MIX FM-IF
4 AM-IF
5 GND
1 QUAL
2 RDDA
3 Vref
4 MUX
5 VDDA
6 VSSA
83
84
· CD section IC101 CXA1992AR
RF_M RF_O RFTC RF_I PD2 PD1 CC1 CC2 FOK 27 PD CP CB 30 LD 36 VEE
+
39
38
37
35
34
33
32
31
29
28
+
PD2 IV AMP FE_BIAS 40
APC VEE
+
F 41
LASER POWER CONTROL F IV AMP
+ +
E 42
+
VCC
FE AMP
+ +
E IV AMP EI 43 BAL1 BAL2 BAL3 BAL4
+ + +
IFB4
IFB2
IFB3
IFB5
IFB1
IFB6
TOG1
TOG2
TOG3
TOG4
VEE 44
VEE
TGFL
VEE
+
FO. BIAS WINDOW COMP.
TEO 45
+
+
TRK. GAIN WINDOW COMP.
+
MIRR
LPCL
TGFL
LPC
CC1
LPFI 46
+
+
E-F BALANCE WINDOW COMP.
DFCT1
LDON
TEI 47
+
ATSC 48
+
FOH FOL TGH TGL BALH BALL ATSC TZC FZC
ATSC WINDOW COMP.
+
TZC 49
TZC COMP. TDFCT 50 VCC
DFCT TM1
TG1
TRACKING PHASE COMPENSATION
VC 51
VCC FZC 52
+
VEE
VEE FS2 Charge up TG2 FSET DFCT
+
VEE
FZC COMP. FS4 VEE 1 FEO 2 FEI 3 FDFCT 4 FGD 5 FLB 6 FE_O 7 FE_M 8 SRCH
9 TGU
10 TG2
11 FSET
12 TA_M
13 TA_O
85
+
FOCUS PHASE COMPENSATION
+
+
VCC
+
+
+ +
PD1 IV AMP
+ + +
RF SUMMING AMP
+
26 SENS2
VCC
+
IIL TTL
25 SENS1
VCC
24 C. OUT
VEE
+
+
DFCT
23 XRST
VEE LEVEL S
FOK
+ +
VEE 22 DATA
+ +
VCC
MIRR
IIL TTL
TTL IIL
21 XLT
20 CLK
IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER SENS SELECTOR OUTPUT DECODER VCC
19 LOCK
18 VCC
DFCTO
IFB1-6 BAL1-4 TOG1-4
FS1-4
TG1-2
TM1-7
PS1-4 ISET 17 ISET
VCC TM4 TM6
VCC 16 SL_O
15 SL_M VCC FS1 TM7 TM3 TM5 14 SL_P TM2
+
IC102 BA5941FP
OP IN () OP IN (+) OP OUT OUT3A OUT3B OUT4A OUT4B 15 LEVEL SHIFT LEVEL SHIFT + LEVEL SHIFT +
LRCKI
IN4B
IN4A
IN3B
IN3A
GND
28
27
26
VCC
NC
25
24
23 +
22
21
20 NC
19
18
17
16
LEVEL SHIFT
+
+ Vcc MUTE Vcc
+
+
1 VCC
2 BIAS IN
3 IN1B
4 IN1A
5 IN2B
6 IN2A
7 GND
8 GND
9 MUTE
10 VCC
11 OUT2A
12 OUT2B
13 OUT1A
IC103 CXD2519Q
PCMDI EMPHI PCMD SYSM EMPH WFCK MNT0 MNT1 MNT3 SCOR DOUT SBSO GTOP XPCK C2PO XROF XUGF EXCK RFCK XTSL FSTT BCKI C4M VDD VDD VSS VSS BCK GFS
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
NC 81 AVSS 82 AVDD 83 AOUT1 84 PWM AIN1 85 LOUT1 86 AVSS 87 XVDD 88 XTAI 89 + XTAO 90 + XVSS 91 AVSS 92 LOUT2 93 AIN2 94 AOUT2 95 AVDD 96 AVSS 97 NC 98 NC 99 XRST 100 TIMING LOGIC CPU INTERFACE SERVO AUTO SEQUENCER DIGITAL CLV SERIAL-IN INTERFACE OVER SAMPLING DIGITAL FILTER SUB CODE PROCESSOR CLOCK GENERATOR OSC + 3RD-ORDER NOISE SHAPER ASYMMETRY CORRECTOR +
OUT1B
ERROR CORRECTOR EFM DEMODURATOR
D/A INTERFACE DIGITAL PLL
PWM
16K RAM
DIGITAL OUT
1 VDD
2 VSS
3 LMUT
4 RMUT
5 TES2
6 CKOUT
7 SQCK
8 SQSO
9 SENS
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DATA XLAT CLOK SEIN CNIN DATO XLTO CLKO SPOA SPOB SPOC SPOD XLON FOK VDD VSS MON MDP MDS LOCK PWMI
86
+ 14
50 LRCK 49 WDCK 48 ASYE 47 ASYO 46 ASYI 45 BIAS 44 RF 43 AVDD 42 CLTV 41 AVSS 40 FILI 39 FILO 38 PCO 37 VCTL 36 V16M 35 VCKI 34 VPCO1 33 VPCO2 32 TES1 31 TES0
+
+
+
Vcc
+ +
· Deck section IC602 uPC1330HA
· Display section IC603 BA3833FP
RESET 1 C
INVERTER
RESET
18 RESET
PREF 2 COMPARATER 1 2 3 4 5 GND 6 VCC 7 8 9 SW R2 LINE 3 NF
REFFERENCE CURRENT BPF DET
17 f01
16 f02
SW R1 GND
SW P1 CONT
SW P2 GND
LINE 4 IN
BPF
DET 15 f03
· Main section
GND 5
BPF
DET 14 f04
IC392 MC74HCU04F
VCC 14 13 12 11 10 9 8 BPF BIAS 6 C Bias DET NC 7 12 VCC DET 13 f
NC 8
11 NC
1
2
3
4
5
6
7 GND NC 9 10 NC
· CD motor section IC701 M54641L
VCC 1 REG POWER AMP. CONTROL IN2 6 INPUT AMP. POWER AMP. 7 OUT1 VCC 8 5 REFERENCE 2 OUT2
IC851 MSM6653A-517GS-K
IN1 3
INPUT AMP.
VDD 1 XT 2 XT 3 NC 4 CMD 5 NC 6 NC 7 ST 8 I0 9 I1 10 I2 11 I3 12
OSC SOUND MIX
24 23 22 21 20 19 18 17 16 15 14 13
GND A-OUT NAR NC BUSY NC VPP RST CH SD SI I4
ROM
΅ CON INTER FACE
4 GND
IC801 BA6286N · Mic section
GND RIN VREF OUT2 RNF GND OUT1 VM VCC FIN 1 2 3 4 5 6 7 8 9 10 PO WER SAVE
IC751 M65850FP
LPF2OUT 8 LPF2 20KBIT SRAM 7 GND OP2OUT 10 D/A MO MI 6 CC2 LPF2IN 9 CLOCK OP2IN 11 DO1 5 CC1 VCC REF 12 A/D LPF1 1 LPF1IN 2 LPF1OUT 3 OP1OUT 4 OP1IN
TSD
CONTROL LOGIC
14
13
OSCILLATOR 1/2 VCC CLOCK AUTO RESET MAIN RESET CONTROL D1 DO0
87