3
4
4. SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern Side)
C255
R227
W251
C207
D207
D206
D201
D208
R226
W602
W601
Q602-2
Q602-1
Q601-2
Q601-1
S251-1
R256 R255 R254 R253 R252 R251 R257
R261
R262
R260
R264
R258
D259
R259R263
Q201
R265
R271
R266
R267
R268
D258
D257
D256
D255
D254
D253
D252
D251
R225
R269
R270
Q209
Q208
Q210
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
C210
D209
R229
Q207
R212
C254
R209
R230D203
C209
L201
R627
R627
R626
R626
R625
R625
R624
R623
R622
R621
R620
R619
R618
R617
R616
R615
R614
R613
R612
R611
R610
R609
R608
R607
R606
R605
R604
R603
R602
R601
C618
C617
C616
C615
C614
C613
C612
C611
C610
C609
C608
C607
C606
C605
C604
C603
C602
C601
R201
C206
C291
C292
C253
C252
C251
Q253
Q252
Q251
J251
J291
S291
C208
C205
Q206
X201
R210
C204
D202
C203
Q205
Q204
Q203
R208
R207
R206
R205
R204
R203
C202
C201
R202
J201
Q202
D204
10/16V
22k
10/25V
1D3
1D3
1D3
*
470k
100K
*
10/25V
10/25V
10/25V
10/25V
10/16V
220/10V
0.01
220/10V
0.01
0.01
10/16V
10/16V
NJM2068DD
NJM2068DD
6.8k 3.3k 2.2k 2.7k 820 680 4.7k
22k
22k
47k
47
10k
*
10k100
TMP87CH46N
100
470
180
330
330
SELU1E50CM_S
HLMF-K2
HLMF-K2
HLMF-K2
HLMF-K2
HLMF-K2
HLMF-K2
HLMF-K2
100
10k
10k
/ETC
DTA114ES
/ETC
DTA114ES
/ETC
DTC114ES
22k
22k
22k
22k
22k
22k
22k
1k
1k
22k
22k
*
470k
Y/GR
2SA1048
22k
22k
2.21D3
0.01
20KN
20KM
10KB
10KB
10KB
10KB
330
330
100k
100k
220
220
100k
100k
100k
100k
1k
1k
1.5k
1.5k
1.5k
1.5k
1.5k
1.5k
1.5k
1.5k
10k
10k
10k
10k
CH47p
CH47p
220/25V
220/25V
22/25V
22/25V
0.022
0.022
0.47
0.47
0.47
0.47
22/25V
22/25V
5.5V
0.022F
0.01
0.01
1D3
Y/GR
2SC2458
Y/GR
2SA1048
0.1
/ETC
DTC114ES
8.00MHz
22k
Y/GR
2SC2458
Y/GR
2SC2458
Y/GR
2SC2458
100
47k
2.2k
4.7k
22k
10k
0.01
0.1
10k
LB1630
*
AUX/DVD
-19.0-16.5
19.0
16.5
5.30
4.63
4.02
2.81
AUX/DVD
2.25
1.75
1.18
4.9
5.1
5.0
4.9
5.1
AUX/DVD
POWER
3.0
PHONO
CDTUNER
AUX
CD-R
MD
MUTE
2.1
5.1
5.2
5.2(CD:0)
0(CD/5.2)
40.0
5.2
5.2
5.2
5.1
0
5.1
4.9
5.1
5.2
5.2
5.2
5.3
2.1
1.9
5.2
5.2(PHONO:0)
5.2(CD:0)
5.2(TUNER:0)
5.2(AUX:0)
5.2(CDR:0)
5.2(TAPE:0)
5.2(MUTE:0)
5.2
0
0
5.2
5.2
5.2
5.2
4.6
5.1
5.2
5.9
(CD:0)19.0
(MUTE:0)
5.9
39.0
0
40.0
6.0V
WA319J103-2
WA319J102-2
WA319J110-2WA319J109-2
WA319J101-2
TO J904(P101)
RC5G
PHONO
CD
OFF
TUNER
CDR-MD/TAPE
MD/TAPE-CDR
0
0
0
0
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
00.4
7
6
5
3
2
1
8
7
6
5
4
3
2
1
W801
FROM J905(P101)
TO
W801
(P101)
RIN
GND
LIN
ROUT
GND
LOUT
-B
+B
MUT
CDDV
VOL-
VOL+
DATA
CLK
CE
RC5
GND
PDWN
P251/ATO
P201/AUC
P271/AUC P281/AUC
S291
P291/AFU
REC SELECTOR
COPY
MD/TAPE-CDR
CDR-MD/TAPE
TUNER
OFF
CD
PHONO
MD/TAPE
CD-R
TUNER
42
LPH
LSTBY
STBY
ENC2
ENC1
MDL1
MDL2
CDRMUT
TMUT
KIL-IR
RECOUT
REC1
REC0
VAREF
MMUT
LCD
LAUX
LCDR
LTAP
38
VODW
VOUP
PHONO
CD
IR
0
0
0
0
1.4
0
CL
DI
CE
LMUT
LTUN
FMUT
0.7
0.7
0
0
RMC
PDW
RES
XOUT
XIN
TEST
VSS
41
40
39
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
2221
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1 VDD
-+
INPUT SELECTOR
pin
port name
I/O use
Name
Port Setting
Note
Act. Stand Back
1 P77 (HSO) I/O (O) O VOL_UP L H L Volume UP
2 P76 (HSCK) I/O (O) O VOL_DOWN L H L Volume DOWN
3 P75 (SO) I/O (O) O DI - L L Data to LC78212
4 P74 (SI) I/O (I) I - - - - pull down
5 P73 (SCK) I/O (O) O CLK - L L Clock to LC78212
6 P72 (PDO/PWM) I/O (O) O CE H L L CE to LC78212
7 P71 (INT4) I/O (I) O STBY H H H Amp Circuit Power off
8 P70 (INT3/TC3) I/O (I) I - - - pull down
9 P07 I/O O LED_STANDBY L L H Standby LED
10 P06 I/O O LED_MUTE L H H Manual Mute LED
11 P05 I/O O LED_TAPE L H H MD/TAPE LED
12 P04 I/O O LED_CDR L H H CDR LED
13 P03 I/O O LED_AUX L H H AUX/DVD LED
14 P02 I/O O LED_TUNER L H H TUNER LED
15 P01 I/O O LED_CD L H H CD LED
16 P00 I/O O LED_PHONO L H H PHONO LED
17 TEST I I - - - to VSS
18 RESET I/O I - - -
19 XIN I I - - -
20 XOUT O O - - -
21 (VASS)VSS
-
- - - -
22 VAREF - - - - - A/D Reference
23 P60 (AIN0) I/O (I) I REC_SEL0 - - - Rec-Out Sel A/D
24 P61 (AIN1) I/O (I) I REC_SEL1 - - - Rec-Out Sel A/D
25 P62 (AIN2) I/O (I) I - - - pull down
26 P63 (AIN3) I/O (I) I - - - pull down
27 P64 (AIN4) I/O (I) O M_MUTE L L L Manual Mute
28 P65 (AIN5) I/O (I) O INPUT_MUTE L L L Input Source Mute
29 P66 (AIN6) I/O (I) O TAPE_MUTE L L L Tape Out Mute
30 P67 (AIN7) I/O (I) O CDR_MUTE L L L CDR Out Mute
31 P10 (INT0) I/O (I) I POWER_DOWN L - - Detect Power Down
32 P11 (INT1) I/O (I) I pull down
33 P12 (INT2/TC1) I/O (I) I RC5_IN - - - RC-5 Input
34 P13 (DVO) I/O (O) I - - - pull down
35 P14 (PPG) I/O (O) I MODEL1 - - - Model Check
36 P15 (TC2) I/O (I) I MODEL2 - - - Model Check
37 P16 I/O I ENC1 - - - Input Sel. Rotary enc.
38 P17 I/O I ENC2 - - - Input Sel Rotary enc.
39 P20
(INT5/STOP)
I/O (I) I STOP - - -
31Pin short
40 P21 (XTIN) I/O (I) I - - - pull down
41 P22 (XTOUT) I/O (O) I - - - pull down
42 VDD - - - - -
Q201:TMP87CH46N
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