– 29 –
– 30 –
6-5. BLOCK DIAGRAM — AUDIO SECTION —
SWITCH (1)
BOARD
SWITCH (2)
BOARD
POWER
BOARD (2/2)
VOLUME
BOARD
74
41
42
43
30
28
CD LCH
MO6V
CD5V
R-CH
MO6V
P5V
LINE
TU
CD
AL
TU L CH
CN304
MAIN BOARD (2/2)
CONTROL BOARD (3/3)
LINE BOARD (1/2)
SPK(R) BOARD
SPK(L) BOARD
SEL
CN303
CN302
CNP302
CN402
A-MUTE
79 CD
BU5V
78 C/T TCO
71 C/T CON
10 I0
12
10
OSC2
11 OSC1
11 I1
12 I2
9 ST
ST
04
NAR
RESET
7 NAR
8
10
6
4
RST
80 AL-CON
KEY1
KEY2
KEY3
RST
JOG-A
JOG-B
C/T TCO
B
TU
BOARD
C
CD
BOARD
A
TU
BOARD
3
3
29
SYSTWM CONTROLLER
IC801(3/3)
J401
CNP401
R-CH
H/P BOARD
4
5
4
5
CN903
CNP304
CN904
CNP802
CN805
CN804
CNP801
CN806
2
1
2
5
2
6
7
3
4
1
2
1
2
1
1
1
5
5
i
76 CLK
77 DATA
9
PCM
SYNTH.
POWER
CONT
Q803
ROM
DAC
16
17
15
1
2
RESET
IC802
2
2
3
3
TRE
BASS
DYNAMIC
BASS
AMP
13
2
5
19
20
CN304
Q106
Q205
CN303
C/T
CONT
Q311,312
BUF
Q313
POWER
CONT
Q306
7
1
H/P AMP
IC304
P12V
3
4
1
7
LINE LCH
AL A OUT
CN801
(2/2)
CN301(2/2)
17
17
5
5
12
12
11
11
13
13
14
14
16
16
X804
4.19MHz
VDD
BU5V
ALARM
VR
RV801
VOLUME
KEY IN
MATRIX
KEY IN
MATRIX
V-DAT/LAT
V-CLK
L
17
15
SY/BY
ELECTRONIC VOLUME
IC301
POWER AMP
IC303
R-CH
L+
L-
SP302
R-CH
SPEAKER
SP301
L-CH
SPEAKER
ALARM
IC804
J402
LINE IN
AOUT
1
2
1
2
2
1
4
3
• Signal path
: CD
: FM
ZS-2000
(Page 28)
(Page 25)
(Page 26)
