
:CD-DA(AUDIO/VIDEO) SIGNAL LINE
SIGNAL LINES
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1 B2
A2
A1
A3
A4
B4
B3
HEAD
AMP
LASER DIODE
LASER DIODE
QR8571
POWER
SUPPLY
CD-DA(AUDIO/VIDEO) SIGNAL LINE
:
: FOCUS ERROR SIGNAL LINE
: MOTOR DRIVE SIGNAL LINE : TRACKING ERROR SIGNAL LINE
IC8001
MN2DS0005AP
DV2
138
VIN1
137
VIN2
136
VIN3
135
VIN4
131
VIN8
132
VIN7
133
VIN6
134
VIN5
129
VIN10
130
VIN9
Q8551,8552
LD DRIVE
Q8561,8562
LD DRIVE
Q8550,8560
(D3.3V)
+B
(A5V)
+B
POWER
SUPPLY
124
LPC01
123
LPC1
126
LPC02
125
LPC2
110
RFINN
111
RFINP
73
NRST
78
DRV3
DRV0
PWM1
PWM0
DRV1
DRV4
DRV8
TRSDRV
75
TRDRV
147
FODRV
148
SPDRV
76
AD1
140
AD1
FROM
A
IC6001-3,4PIN
MUTE3
79
MUTE12
83
IC8251
C0GBG0000048
TRACKING COIL/FOCUS COIL/TRAVERSE MOTOR/SPINDLE MOTOR DRIVE
TRIN
26
BIAS1
VIN1
2
VIN2
3
23
VIN3
6
OPOUT
24
LDIN
+
BIAS2
27
MUTE3
CH3
MUTE
9
MUTE12
CH1,2
MUTE
+
LEVEL
SHIFT
LEVEL
SHIFT
+
-
LEVEL
SHIFT
+
LEVEL
SHIFT
+
15
VOL4+
+
16
VOL4-
+
17
VOL3+
+
VOL3-
18
+
OPIN+
4
OPIN-
5
VOL1+
14
+
VOL1-
13
+
VOL2+
12
+
VOL2-
11
+
TRAVERSE
MOTOR
SPINDLE
MOTOR
OPTICAL PICK UP UNIT
ACTUATOR
TRACKING
ACT T+
ACT T-
ACT F+
ACT F-
COIL
FOCUS
COIL
20
LD CNT
CNT
MUTE4
CH4
MUTE
IC8611
EE PROM (Not supplied)
SDA
60
P8
SCL
59
P9
5
SDA
6
SCL
FROM
B
IC6001-5PIN
28
FROM
C
IC6001-6PIN
SA-HT623(EE,GCS,GCU)/SA-HT888(GCA) BLOCK DIAGRAM

IC8051
C3ABPG000133
64M SDRAM
IC8001
MN2DS0005AP
DV2
IC8451
C0FBBK000036
AUDIO DAC
IC8651
RFKFSS81P161
RFKFSS81R161
16M FLASH ROM
29
DQ0
31
33
35
40
42
44
30
32
34
36
39
41
43
45
DATA
DQ15
MEMORY
ADDRESS
12bit
MEMORY
DATA
16bit
[623EE/888GCA]
[623GCS/GCU]
XOEXWEXCE
23
A0
24
A1
25
A2
26
A3
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
22
A10
35
A11
2
DQ0
4
DQ1
5
DQ2
7
DQ3
8
DQ4
10
DQ5
11
DQ6
13
DQ7
42
DQ8
44
DQ9
45
DQ10
47
DQ11
48
DQ12
50
DQ13
51
DQ14
53
DQ15
19
CS
18
NRAS
17
CAS
16
WE
38
CLK
25
A0
18
A7
8
A8
1
A15
48
A16
17
A17
16
A18
19
A19
20
A20
281126
227
MA0
224
MA1
221
MA2
217
MA3
220
MA4
223
226
228
233
238
230
237
17
14
11
256
252
254
10
13
15
18
240
244
245
248
243
23
39
37
51
24
40
36
50
25
41
33
47
27
42
32
46
30
43
31
45
21
52
22
38
8
5
2
1
4
7
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MDQ0
MDQ1
MDQ2
MDQ3
MDQ4
MDQ5
MDQ6
MDQ7
MDQ8
MDQ9
MDQ10
MDQ11
MDQ12
MDQ13
MDQ14
MDQ15
NCSM
NRAS
NCAS
NWE
MCK
EXADT0
EXADT7
EXADT8
EXADT15
EXADR16
EXADR17
EXADR18
EXADR19
EXADR20
NEXOE
NEXWE
NEXCE
MEMORY
ADDRESS
12bit
MEMORY
DATA
16bit
ADDRESS
ADDRESS
SRCK
LRCK
AD OUT0
AD OUT1
AD OUT2
AD OUT3
NRST
P15
P12
P11
P10
DACCK
DAC4 OUT
DAC5 OUT
DAC1 OUT
DAC2 OUT
DAC3 OUT
170
169
176
175
174
171
IC8601
C0EBE0000384
VOLTAGE
DETECTING
RESET
73
53
56
57
58
163
Y
156
C
158
Y/PY/G
149
CB/PB/B
151
CR/PR/R
152
2
40
BCK IN
LRC IN
41
45
D IN1
46
D IN2
47
D IN3
D IN4
31
RSTB
37
ML
36
MC
35
MDI
34
MDO
33
38
SERIAL
INPUT
I/F
FUNCTION
CONTROL
I/F
SYSTEM
CLOCK
MANAGER
SYSTEM
CLOCK
4X/8X
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ZERO DETECT
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
V OUT7
V OUT8
V OUT1
V OUT2
V OUT3
V OUT4
V OUT5
V OUT6
ZFLAG
16
20
14
13
12
11
10
9
48
DVD MIX L
DVD MIX R
DVD FL
DVD FR
DVD SL
DVD SR
DVD CNT
SUBW
ZFLAGSCLKI
Y
C
Y/PY/G
CB/PB/B
CR/PR/R
212
MDQ16
210
207
204
200
198
195
193
192
194
197
199
203
206
208
211
MDQ31
DATA
IC8111
C0CBCBD00018
POWER SUPPLY
(D3.3V) (D5V)
+B +B
V OUT V IN
GND
8
5
CONT
3
SA-HT623(EE,GCS,GCU)/SA-HT888(GCA) BLOCK DIAGRAM

Y/PY/G
CB/PB/B
CR/PR/R
Y
C
IC7901
C9ZB00000431
VIDEO DRIVE
BIAS
150K
CY IN
12
BIAS
150K
14
CB IN
BIAS
150K
CR IN
16
BIAS
150K
6
Y IN
BIAS
150K
2
C IN
1
VCC1
34
+B
VCC2
8,10
GND
13.5MHz
4dB
LPF
13.5MHz
4dB
LPF
13.5MHz
4dB
LPF
13.5MHz
4dB
LPF
13.5MHz
4dB
LPF
2dB
75
2dB
75
2dB
75
2dB
75
+
2dB
75
2dB
75
FM ANT
CY OUT
CY SAG
CB OUT
CB SAG
CR OUT
CR SAG
Y OUT
Y SAG
V OUT
V SAG
C OUT
GND2
25
24
22
21
19
18
28
27
31
30
33
17,20,23,
26,29,32
QR7903
SWITCHING
JK7901
Y(RED)
JK7901
CB(GREEN)
JK7901
CR(BLUE)
JK7901
VIDEO OUT
C
Y
JK7902
S-VIDEO OUT
R/P HEAD
(L ch)
TP6
+B
IC1000
C1AA00000612
R/P SELECT
R1103,C1105
(R1203,C1205)
REC
EQ
2
1
Vcc
NF
IC7701
C0ABBB000118
BUFFER AMP
(2)6
-
(3)5
+
4
7(1)
8
+B-B
22(1)
21(2)
NF
20(3)
IC1001
AN7326K
PLA Y/REC AMP
19(4)
Q1102
(Q1202)
MUTING
Q1301
MUTING
TAPE
CONT.
Q1321,1322
Q7303,7304
MUTING
QR7301
+B
MUTING
CONT.
ALC
15(8)
P/R
SW
12
119
5
GND
3
4
14
+B
Q1303,1304
13
16(7)
6
TPS
SELECT
+B
R/P
SELECT
+B
AM ANT
VREF
(DECK)
Q1308,1309,
1310,1312
BIAS
OSC
S973
(CrO2)
Q1306,1307
INTER-
FACE
S972
(HALF)
Z971
S1301
(DECK MODE)
S971
(MODE)
INTERFACE
S974
(R.REC INH.)
S975
(F .REC INH.)
VREF
(DECK)
Q6004
LED
DRIVE
D6701
(KARA)
TUNER PACK
CE
SD
DI
ST/DO
ERASE
L1301
HEAD
5 (7)
CL
D6706
(STANDBY/
Q6001
LED
DRIVE
Q6002
WAKEUPA)
LED
DRIVE
Q7501,1315
SOLENOID
DRIVE
D971SOLENOID
+B
Q1314,1316
Q7502
+B
+B
M
MOTOR
DRIVE
MOTOR
(DECK)
TP4
Q1313
N
SWITCHING
(B.P)
Q1317
SWITCHING
(REC:ON)
Q1305
SWITCHING
(B.P)
IC971
CNB13030R2AU
PHOTO INTERRUPTER
ZFLAG
44
DVD MUTE
38
WIDE 1
TU DO
TU DIN
TU SD
2926273028
TU CE
TU CLK
74
WAKEUP LED
77
STANDBY LED
23
TAPE PL H
25
TAPE REC H
IC6001
C2CBJG000488
SYSTEM CONTROL
21 89
TAPE BP
88 22
TAPE MKIN2
FLD CS
100
TAPE DMT
24
TAPE REC H
79
KARA LED
TAPE CRO2
90
TAPE MKIN1
SA-HT623(EE,GCS,GCU)/SA-HT888(GCA) BLOCK DIAGRAM

MUTING
CONTROL
47
MUTE L/
MUTE REC
JK7001
TV
JK7001
VCR
JK7001
LINE OUT
DVD MIX L(R)
DVD FL(FR)
DVD SL(SR)
DVD CNT
SUBW
MUTING
VR6701
(VOLUME)
IC7601
C0ABBB000118
BUFFER AMP
(2)6
(3)5
IC7301
C0ABCB000040
BUFFER AMP(MIC)
(7)8
Q7401QR7401
16
7675
JOG A
JOG B
IC7202
(6)2
(5)3
QR7205Q7204
MUTING
Q7202 QR7203
MUTING
Q7201(1/2)
MUTING
Q7201(1/2)
MUTING
15
1629
MIC SW
C0AABB000055
HEADPHONES AMP
-
1(7)
+
Q7203 QR7204
MUTING
84
+B-B
MUTING
CONTROL
MUTING
CONTROL
QR7202
MUTING
CONTROL
QR7201
MUTING
CONTROL
JK9001
MIC 1
JK9002
MIC 2
MUTING
CONTROL
40
42
MUTE C
SUB MUTE
50
MUTE S
43
39
HP MUTE
MUTE FRONT
IC7201
C0ABBB000118
BUFFER AMP
(CENTER/SUB WOOFER)
6
5
3
2
X6001
13
X OUT
7
+
1
+
84
+B
-B
NF
QR6006
RESET
15
X IN
+B
12
RESET
IC7001
C1BB00000845
ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE)
TMF L
(IN C2)
IN C1
(66)65
(IN D2)
IN D1
(68)67
(IN E2)
IN E1
(70)69
(L OUT2)
L OUT1
(60)59
(IN A2)
IN A1
(62)61
(IN B2)
IN B1
(64)63
42
(1)14
+B
+B
VEE
43
+B
VCC
(76)75
(IN RSA)
IN LSA
(79)78
IN CA
77
IN SUBA
80
13(2)
12(3)
+
IC6702
B3RAD0000070
(REMOTE SENSOR)
18
RMT
LOGIC
48
VOL DA
CLDA
4645
49
VOL CK
NF
-
7(1)
+
4
8
+B-B
9(6)
10(5)
+
+B
99
VCC62VCC
AVCC
(A OUT2)
A OUT1
(2)1
AMP
DIGITAL
SOUND
PROCESSOR
IC7103
Rch
C0ABCB000040
BUFFER AMP(SURROUND/CENTER)
9
-
10
+
5
+
6
-
4
+VCC
+B
11
-VCC
+B
IC7102
C0ABCB000040
BUFFER AMP(FRONT)
(9)6
-
(10)5
+
4
+VCC
+B
11
-VCC
-B
(TMFR)
IN C0
6
8
13
12
IC6001
(13)2
(12)3
3
2
7
7(8)
C2CBJG000488
SYSTEM CONTROL
TONE
TMF RB
(TMF RA)
(EX IN2)
EX IN1
(73)72
+
+
-
+
TMF LB
(TMF LA)
14
1
1(14)
AMP
AMP
AMP
Q7102
Q7101
MUTING
MUTING
(G OUT RS)
G OUT LS
G OUT C
G OUT SUB
QR7102
QR7101
MUTING
CONTROL
MUTING
CONTROL
53
SSS MIX
(OUT FR)
OUT FL
(OUT RS)
OUT LS
(OUT RST)
OUT LSW
(F OUT3)
F OUT4
(FM3)
FM4
OUT C
OUT CW
F OUT1
FM1
(G OUT FR)
G OUT FL
(VM FR)
VM FL
2
39(36)
25(23)
24(22)
38(41)
40(39)
27
26
28
29
52(50)
51(49)
IC9001
C1BB00000872
MIC AMP
QR7305
MUTING
CONTROL
51 84
MIC MUTE
+
-
+
-
+
-
+
-
CS
3
59
EECS
CLK
4
58
EECK
DI
5
57
EEDA
+
-
+
-
Q7305,7306
MUTING
VREF+
DO
6
(16)
52
SFC
(VIN RS)
14
VIN LS
12
VIN C
18
VIN SUB
IC7101
C0JBAR000292
SIGNAL SELECT
(5)2
Y0
(3)1
Y1
13
X1
12 X0
6
INH
(IN RS0)
IN LS0
(8)7(5)4
15(4)
Y
14
X
11
A
10
B
9
C
VCCGND
VEE
16
8
7
+B
-B
54
PARTY
+B
98
VREF
D2001
IC6003
C3EBDG000052
EEPROM
(15)
13
11
17
SA-HT623(EE,GCS,GCU)/SA-HT888(GCA) BLOCK DIAGRAM

SIGNAL LINES
: MAIN SIGNAL LINE
: FM/AM SIGNAL LINE
( ) Indicates the Pin No. of Right Channel.
: TAPE REC SIGNAL LINE
: TAPE PLAY SIGNAL LINE
NOTE : Signal Lines are applicable to the Left Channel only.
: DVD AUDIO SIGNAL LINE
: DVD VIDEO SIGNAL LINE
: CD-DA (AUDIO /VIDEO) SIGNAL LINE
FL6701
JK6003
Rch
PHONES
+B
Rch
Rch
+B
QR6003,6004
POWER
CONTROL
SWITCHING
FL DISPLAY
P1
G1
G12
5-16
P16
20-35
QR6001,
6002
POWER
CONTROL
SWITCHING
VR9001
(MIC VOL.)
TO
IC8451-20PIN
C
FP2101
8
3
23
1
25
4
6
14
13
12
11
7
9
10
15
16
17
18
20
26
22
24
19
5
21
2
HELP
AC2
AC2
AC1
AC1
SYS 6V
D.GND
AP SR
AP GND
AP SL
AP FR
AP FL
AP GND
AP GND
AP CT
AP GND
AP SW
AP GND
MUTE/CNTRSURR
CASE GND
FL AC1
FL AC2
P CONT
MUTE HIC
SYNC
DC DET
TO ACTIVE
SUB WOOFER
+B
+B
+B
IC2203
C0CBADG00023
REGULATOR
3
GND
IC2204
C0CBADG00023
REGULATOR
GND
IC2205
C0DBEFG00003
REGULATOR
GND
1
V INVOUT
2
IC2202
C0DBAZG00033
DC-DC CONVERTER
13
V INVOUT
VSOFT
2
13
V INVOUT
5
Q2103,D2107
+B
5
IC2201
C0DBAZG00033
DC-DC CONVERTER
VSOFT
5
REGULATOR
+B
+B
+B
COM
COM
12
V INVOUT
3
12
V INVOUT
3
Q2201
POWER
SUPPLY
D2203
Q2202-2204,
D2201,2202
REGULATOR/
STABILIZER
Q2003,D2008
REGULATOR
Q2001,D2004
REGULATOR
D2001
D2002,2003
TO
IC8451-28PIN
TO
IC8451-24PIN
B
SW2601
(TRV-INNER)
A
3
TRAY DRV2
TRAY DRV1
5
6
TRAY/TRV
TRV MUTE
FROM
MECHANISM
UNIT
1
TRAY OPEN
2
TRAY INNER SW
68
DVD P CONT
DC IN
DET.
Q2002
D2006
D2005
-B
-B
+B
+B
+B
FL RST
FLD RST
3-12,15-20
S0
VCC
+B -B
S15
-VP
GND
39454841424344
IC6701
C0HBB0000040
DISPLAY DRIVER
IC6001
C2CBJG000488
SYSTEM CONTROL
70
P CONT
KEY SWITCH
(SW6712-6718)
97
KEY1
KEY SWITCH
(SW6701-6711,SW6719)
71
83
PHONE SW
91
KEY2
98
VREF
AVSS
VSSVSS
966414
92
MIC VOL
19
72 4
SYNC
DC DET
MUTE H
21-24,27-34
T0
FL DA
86
FLD DA
T11
FL CS
FL CLK
85 88 87
FLDCK
FLD CS
47
X OUT
46
X IN
Q2104,D2118
REGULATOR
Q2101,2102
REGULATOR/
STABILIZER
Q2004-2006,D2010
REGULATOR/
STABILIZER
D2007
D2101-2106
SA-HT623(EE,GCS,GCU)/SA-HT888(GCA) BLOCK DIAGRAM