Page 1
HCD-ZX6/ZX8
SERVICE MANUAL
Ver. 1.3 2005. 09
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Addition of Block Diagrams.
US Model
E Model
9-879-083-81
1
Page 2
HCD-ZX6/ZX8
TABLE OF CONTENTS
1. Block Diagram –CD Servo Section–....................................... 3
2. Block Diagram –Tuner/Tape Deck Section– ........................... 4
3. Block Diagram –Main Section– .............................................. 5
4. Block Diagram –Display/Power Section–............................... 6
2
Page 3
1. BLOCK DIAGRAM — CD SERVO SECTION —
RF AMP,DIGITAL
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
DETECTOR
VC
VCC
A
B
C
D
E
F
GND
VR
FOCUS
COIL
TRACKING
COIL
M101
(SPINDLE)
M102
(SLED)
+1.7V
+3.3V
SL/SP MOTOR
16
CH2OUT-F
15
CH2OUT-R
17
CH1OUT-R
18
CH1OUT-F
19
CH4OUT-R
20
CH4OUT-F
21
CH3OUT-F
CH3OUT-R
22
LD
DRIVER
Q10
DRIVE
IC251
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH3RIN
CH3FIN
OPIN+
MUTE
16.9344MHz
+3.3V
5
6
7
8
30
29
3
24
X171
S101
(LIMIT)
LD
PD
F+
F
T+
T
M
M
SIGNAL PROCESSOR
26
A
27
B
28
C
29
D
19
E
20
F
36
LD
XTAO
77
XTAI
78
37
PD
7
PD
11
TFDR
12
TRDR
13
FFDR
14
FRDR
SFDR
9
SRDR
10
6
MPD
IC101
AOUT1
AOUT2
DOUT
PCMDI
LRCKI
LRCK
PCMD
BCK
BCKI
XTACN
XRST
DATA
XLAT
CLOCK
SENS
SCOR
100
102
104
105
107
115
HCD-ZX6/ZX8
A
IC401 (1/4)
MAIN
SECTION
(Page 5)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY(ANALOG OUT)
:
CD PLAY(DIGITAL OUT)
81
86
71
61
62
63
65
66
60
95
R-CH
XTACN
XRST
DATA
XLAT
CLOCK
SENS
SCOR
DIGITAL OUT
IC503
2
DOUT
MP3 DECODER
11
SDO0
16
LRCKIA
19
SFSY/LRCKIB
14
SDIO
15
BCKIA
18
SBSY/BCKIB
CD
DIGITAL
OUT
(OPTICAL)
IC301
VDD
VDD
VDDM
STANBY
PO11/BUCK/AD14
MIACK
MICK
MIDIO
MILP
MICS
RESET
MUTE
Q551
CD MUTE
CONTROL
Q535,536
55
21
40
3
36
8
7
6
5
4
2
REG
5 1
IC303
+3.3V
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
CD L
SYSTEM CONTROL
CD A MUTE
41
MP3 DATA IN
6
MP3 STB
31
MP3 REQ
100
1
MP3 ACK
7
MP3 CLK
5
MP3 DATA OUT
2
MP3 LP
3
MP3 CS
18
MP3 RST
SCOR
19
21
SENS
CD CLK
22
XLAT
23
CD DATA
24
XRST
25
XTCN
26
M901
(LOADING)
M902
(TABLE)
S901
TRAY POSITION
DETECT SWITCH
LOADING MOTOR DRIVER
4
M
2
TABLE MOTOR DRIVER
4
M
2
IC515
OUT1
OUT2
OUT1
OUT2
ROTARY ENCODER
RIN
FIN
IC514
RIN
FIN
TABLE SENSOR
PH101,102
RE901
9
7
9
7
TBL ADDRESS
SENS SWITCH
Q870
49
50
47
48
43
42
44
45
46
LOG NEG
LOG POS
TBL NEG
TBL POS
DSENS
TSENS
OC SW1
CHK SW
OC SW2
HCD-ZX6/ZX8
33
Page 4
HCD-ZX6/ZX8
2. BLOCK DIAGRAM — TUNER/TAPE DECK SECTION —
HP901
DECK-A
PB
HEAD
HRPE901
DECK-B
R-CH
Q103
TC RELAY
CONTROL
Q106,107
A+9V
PB L(DECK A)
PB L(DECK B)
ST L
B
(Page 5)
MAIN
SECTION
REC/PB
HEAD
ERASE
HEAD
TAPE MECHANISM
DECK BLOCK
REC(REW)
REC(FWD)
BSHUT
ASHUT
BPLAY
APLAY
B-HALF
A-HALF
ATRGM+
BTRGM+
CAP M+
R-CH
Q112,114
TC RELAY
CONTROL
Q108-110
A+9V
R-CH
T101
Q191,192
A TRIG
DRIVE
Q195,196
B TRIG
DRIVE
Q193,194
CAP MOTOR
DRIVE
MUTE
Q115
R-CH
REC MUTE
CONTROL
Q539,540
BIAS OSC
Q101
Q104,105
BIAS+9V
REC L(DECK B)
C
(Page 5)
MAIN
SECTION
SYSTEM CONTROL
(CD MECHANISM CONTROL)
IC401 (2/4)
REC-MUTE
60
BIAS
60
REC-B
58
REC-A
55
90
B SHUT
A SHUT
89
56
B-PLAY
51
A-PLAY
B-HALF
90
A-HALF
53
59
TC-RELAY
52
A-TRIG
57
B-TRIG
CPM-CNT2
54
HCD-ZX6/ZX8
FM
75Ω
AM
ANTENNA
TU901
FM/AM TUNER PACK
FM ANT
FM ANT
AM ANT
AM ANT
ST-LOUT
ST-ROUT
ST-MUTE
STEREO
TUNED
ST-DOUT
ST-DIN
ST-CLK
ST-CE
ST-L
R-CH
ST-MUTE
STEREO
TUNED
ST-DOUT
ST-DIN
ST-CLK
ST-CE
• R-ch is omitted due to same as L-ch.
ST-MUTE
88
87
86
83
84
82
85
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
• SIGNAL PATH
: TUNER(FM/AM)
:
PLAYBACK(DECK A)
:
PLAYBACK(DECK B)
:
RECORD
44
Page 5
3. BLOCK DIAGRAM — MAIN SECTION —
MIC AMP
IC850 (1/2)
RV801
MIC
LEVEL
75
76
PHONE AMP
TUNER (FM/AM)
PLAYBACK(DECK A)
PLAYBACK(DECK B)
RECORD
MIC
REC/PB AMP,SOUND CONTROL
IC519
TUNER
/TAPE DECK
SECTION
(Page 4)
J801
MIC1
J802
MIC2
GAME
INPUT
B
CD SERVO
SECTION
(Page 3)
AUDIO
VIDEO
VIDEO OUT
PB L(DECK A)
PB L(DECK B)
PHONO
IN
VIDEO
/MD
IN
A
J850
L
R
R-CH
J716
ST L
J701 (1/2)
L
R
R-CH
L
R
R-CH
CD L
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
:
:
:
:
:
• Abbreviation
E2 : 120V AC aria in E model
E51 : Chilean and Peruvian model
MX :
Mexican model
MIC AMP
IC850 (2/2)
IC101
MUTE
Q180
TC PB MUTE
CONTROL
Q537,538
HCD-ZX6/ZX8
HCD-ZX8
POWER AMP
IC501
3
REC L
(DECK B)
I/F
C
29
17
18
TUNER
/TAPE DECK
SECTION
MUTE
Q203
(Page 4)
6 59
14 15 17
R-CH
1807978
SELECT
CUT
VOCAL
R-CH
AMS MUTE
CONTROL
Q528-530
AMS
1187
AMS CONTROL
Q190,198,199
I/F
MUC
34 35
2
3
4
5
SURR
13
X401
32.768kHz
X402
16MHz
EQ
53
23 24 28
AUDIO
65
66
61
39
63
11
10
13
15
SPEANA
J702 (2/2)
SYSTEM CONTROL
IC401 (3/4)
AUDIO2 CLK
AUDIO2 DATA
AUDIO1 DATA
AUDIO1 CLK
AMS IN
AMS MUTE
TC MUTE
REAR RELAY
XC-OUT
XC-IN
X-OUT
AC CUT MAIN
X-IN
L
L
LINE MUTE
STK MUTE
FR RELAY
VIDEO
/MD
OUT
HP MUTE
HP DET
I-HOLD
PROTECT
DISPLAY/POWER
D
(Page 6)
68
67
34
80
79
77
38
81
72
78
33
MX MODEL
SECTION
I-HOLD
SWITCH
Q590
AC CUT
SWITCH
Q402
E2,E51 MODEL
DBFB
MUTE
Q145
MUTE
Q523
LINE MUTE
CONTROL
Q533,534
D329
UNREG
E2,E51 MODEL
DBFB
MUTE
Q200
POWER AMP
IC600
OVERLOAD
DETECT
Q610
MUTE
CONTROL
Q604,606
SURROUND
POWER AMP
IC701
OVERLOAD
DETECT
Q722
STK MUTE
CONTROL
Q720,721
OVERLOAD
DETECT
Q668
OVERLOAD
DETECT
Q780
3
OVERLOAD
DETECT
Q628-630
UNREG
FAN DRIVE
CONTROL
Q555,557
PROTECTER
OVER
LOAD
R-CH
MUTE
Q641
MUTE
CONTROL
C634,635
IC627
DC DET
TH630
FAN DRIVE
Q553
2
41
PHONES
FAN901
RELAY DRIVE
J851
SURROUND
Q762
RELAY DRIVE
RY760
Q664
PROTECTER
Q765
RY646
AC CUT
DETECT
Q647
R-CH
R-CH
R-CH
AC DETECT
Q648
TM609
TM607
TM607
AC DET
L
R
L
R
HCD-ZX6
L
R
E
SURROUND
SPEAKER
FRONT
HCD-ZX8
SPEAKER
DISPLAY/
POWER
SECTION
(Page 6)
HCD-ZX6/ZX8
55
Page 6
HCD-ZX6/ZX8
4. BLOCK DIAGRAM — DISPLAY/POWER SECTION —
VF
FL901
DISPLAY
VACUUM
FLUORESCENT
S975
VOLUME
GRID DRIVE
Q901,902
S900-911,
S913-919,
S921-927,
S930-938,
S940-945,S947,S948,
S950-956,S958-964,
S970
HCD-ZX8 : S965-967
ROTARY
ENCODER
FLUORESCENT INDICATOR TUBE DRIVER,
KEY CONTROL
24 – 41, 43
5 – 10, 12 – 17,
SEG-1 – SEG-36
91
G14
88
G17
G1 – G13,
90,89,87,86
4– 1, 100 – 92,
G15,G16,G18,G19
64 – 69
KEY0-KEY5
80 VOL A
VOL B
79
IC901
XOUT
82 83
BPF1-F01
BPF1-F02
BPF2-F03
BPF3-F04
VOL3,4
VOL5,6
VOL7,8
VOL9,10
RESET
I2C DATA
I2C-CLK
XIN
70
71
72
73
74ALL BAND
59LED SELECT
44TAPE A LED
46CD LED
47GAME,REC LED
52VOL1,2
53
54
55
56
57VOL11,TUNER BAND
58TAPE B LED
75JOG A
76JOG B
45SPK MODE LED
77
60
61
BPF1OUT
16
BPF2OUT
15
BPF3OUT
14
BPF4OUT
13
RECOUT
17
Q908,911-915
BAND-PASS FILTER
DET B.P.F.
DET
LED DRIVE
S957
JOG
SWITCH
LED DRIVE
Q916
IC903
LED DRIVE
Q900
IN1
IN2
POWER CONTROL
Q903
VH+9V REG
Q904
HCD-ZX8
D925
1
2
D906, 908, 910,
912, 914, 916,
922, 924
97
95
75 GC-RESET
30 IIC-DATA
29
76 STBY-LED
74 POWER-KEY
73 DISPLAY-LED
SPEANA
VL+9V
Q905,906
SYSTEM CONTROLLER
IC401 (4/4)
BPM DET LO
MIC DET
IIC-CLK
MAIN
D
SECTION
(Page 5)
D907, 909, 911,
913, 915,917, 918,
921, 923, 926
MP3+3.3V
40CD POWER
LED+9V
+4.5V
A+3.3V
D+3.3V
A+9V
+4.5V REG
Q563
M+9V
M+7V
CD +3.3V
SWITCH
Q552
CD POWER
ON/OFF SWITCH
Q554
UNREG+13V
D503,504,506
MAIN
SECTION
(Page 5)
A+9V REG
IC511
M+9V REG
IC510
+3.3V REG
IC513
POWER
EVER+4V
T1100
POWER
TRANSFORMER
AC4
AC4
F1141
F1151
F1161
F1171
F1181
F1191
D1192
+VH
–VH
+VL
–VL
AC DET
X
E
VACUUM
FLUORESCENT
DISPLAY
(FL901)
–VG
D661
D660
VF
VF
RECT
D656
RECT
D658
–VG REG
RECT
D501
Q664
SWITCHING
BLOCK
E2,E51 MODEL
VOLTAGE
SELECTOR
S1000
MX MODEL
POWER ON/OFF
RELAY DRIVE
Q1000
AC IN
RY1000
HCD-ZX6/ZX8
X601
4MHz
EVER+3.9V
REMOTE SIGNAL
GENERATOR
IC402
12
D920
REMOTE CONTROL
SIGNAL RECEIVER
S929
IC902
RESET
SWITCH
Q401
S928
DISPLAY
1
4SIRCS
20 AC-CUT
12 RESET
28STBY-RELAY
• Abbreviation
E2 : 120V AC aria in E model
E51 : Chilean and Peruvian model
MX :
Mexican model
66
Page 7
MEMO
HCD-ZX6/ZX8
7
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