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STR-DB870/DB1070

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5-16. SCHEMATIC DIAGRAM – MAIN Board (3/3) – • See page 38 for IC Block Diagrams.<br />

(<strong>DB870</strong>)<br />

(<strong>DB1070</strong>)<br />

MD/TAPE<br />

MD/DAT<br />

2ND ROOM OUT<br />

(<strong>DB1070</strong>)<br />

PHONO IN<br />

CD/SACD IN<br />

TAPE<br />

(Page 25)<br />

OUT<br />

IN<br />

OUT<br />

IN<br />

L<br />

R<br />

L<br />

R<br />

L<br />

R<br />

L<br />

R<br />

L<br />

R<br />

L<br />

R<br />

L<br />

R<br />

(CHASSIS)<br />

J301<br />

4P<br />

J302<br />

4P<br />

J303(1/2)<br />

6P<br />

(CHASSIS)<br />

(CHASSIS)<br />

J303(2/2)<br />

6P<br />

CN101<br />

9P<br />

LOUT<br />

ROUT<br />

15V<br />

GND<br />

-15V<br />

LAT<br />

DATA<br />

CLK<br />

C136<br />

2200p<br />

C137<br />

2200p<br />

R176 2.2k<br />

R127 1k<br />

R178 2.2k<br />

R129 1k<br />

R315<br />

10<br />

B1<br />

B2<br />

B3<br />

B4<br />

B5<br />

R125<br />

1k<br />

R175<br />

1k<br />

R126<br />

2.2k<br />

R177<br />

1k<br />

R128<br />

2.2k<br />

R179<br />

1k<br />

R130 4.7k<br />

R180 4.7k<br />

RY301<br />

1B<br />

-1<br />

-2<br />

A1<br />

A2<br />

A3<br />

D301<br />

1SS133T-72<br />

2B<br />

3B<br />

4B<br />

5B<br />

R131<br />

100<br />

R181<br />

100<br />

(US,CND)<br />

R115<br />

2.2k<br />

C108 C109<br />

100p 220p<br />

C158 C159<br />

100p 220p<br />

R165<br />

2.2k<br />

(US,CND)<br />

6B<br />

R116<br />

100k<br />

R166<br />

100k<br />

R336<br />

10k<br />

R117<br />

82k<br />

R167<br />

82k<br />

R118<br />

180<br />

C111<br />

220<br />

10V<br />

C161<br />

220<br />

10V<br />

R168<br />

180<br />

C160<br />

C162<br />

100p<br />

2.2<br />

50V (AEP,UK,E,CH)<br />

R132<br />

47k<br />

R182<br />

47k<br />

Q301<br />

2SC2785TP-<br />

RELAY DRIVE<br />

C123<br />

22<br />

50V<br />

C173<br />

22<br />

50V<br />

7B<br />

8B<br />

(AEP,UK,E,CH)<br />

C110<br />

2.2<br />

50V<br />

(AEP,UK,E,CH) IC104(2/2)<br />

C112<br />

100p<br />

M5218AP-22<br />

R337<br />

4.7k<br />

AUDIO SELECT<br />

IC102<br />

TC9273N-00<br />

BUFFER<br />

IC103(2/2)<br />

M5218AP-22<br />

R119<br />

8.2k<br />

R120<br />

100k<br />

C113 0.0091 C114 0.033<br />

C163 0.0091 C164 0.033<br />

R169 8.2k R170 100k<br />

C128<br />

2200p<br />

R<br />

L<br />

IC103(1/2)<br />

M5218AP-22<br />

VSS VDD<br />

A1<br />

CD<br />

G2<br />

IC104(1/2)<br />

M5218AP-22<br />

TUNER<br />

PHONO<br />

NC<br />

MD OUT<br />

R133<br />

220k<br />

R183<br />

220k<br />

EQ AMP<br />

NC<br />

C175<br />

100p<br />

R171<br />

100<br />

C124<br />

22<br />

50V<br />

C134<br />

100p<br />

R184 220k R134 220k<br />

C174<br />

22<br />

50V<br />

A2<br />

MD<br />

9B<br />

C115<br />

2.2 R122<br />

50V 470<br />

R121<br />

100<br />

R123<br />

100k<br />

R173<br />

100k<br />

C165<br />

2.2<br />

R172<br />

50V<br />

470<br />

NC<br />

TAPE OUT<br />

A3<br />

B2<br />

B3<br />

TAPE<br />

B1<br />

COM<br />

1k<br />

R114<br />

GND LAT<br />

CLK DAT<br />

B4<br />

B5<br />

G1<br />

C130<br />

100p<br />

C127<br />

2200p<br />

C129<br />

2200p<br />

AUDIO SELECT<br />

IC105<br />

TC9273N-01<br />

10B<br />

11B<br />

VSS VDD<br />

CD<br />

TUNER<br />

L<br />

R<br />

A1<br />

G2<br />

G1<br />

R846<br />

33<br />

R841<br />

33<br />

29<br />

A2<br />

MD<br />

(Page 27) (Page 28)<br />

C817<br />

47<br />

35V<br />

C126<br />

2200p<br />

COM<br />

A3<br />

12B<br />

TAPE<br />

B1<br />

B2<br />

SORCE<br />

C125<br />

100p<br />

NC<br />

Q813<br />

BN1F4M<br />

MUTING DRIVE<br />

29<br />

B3<br />

B4<br />

R113<br />

1k<br />

COM<br />

NC<br />

NC<br />

COM<br />

GND LAT<br />

CLK DAT<br />

B5<br />

F2<br />

F1<br />

13B<br />

JW812<br />

JW813<br />

14B<br />

15B<br />

16B<br />

17B<br />

The components identified by mark 0 or dotted<br />

line with mark 0 are critical for safety.<br />

Replace only with part number specified.<br />

N1<br />

N2<br />

R850<br />

1k<br />

Q810<br />

BN1F4M<br />

INVERTER<br />

18B<br />

I1<br />

I2<br />

I3<br />

IC805<br />

TC74ACT08P<br />

N3<br />

1C<br />

2C<br />

3C<br />

4C<br />

5C<br />

6C<br />

7C<br />

8C<br />

H1<br />

H2<br />

H3<br />

H4<br />

H5<br />

R815<br />

10k<br />

B4<br />

B5<br />

B3<br />

D802<br />

1SS133T-72<br />

LEVEL SHIFT LEVEL SHIFT<br />

<strong>STR</strong>-<strong>DB870</strong>/<strong>DB1070</strong><br />

D803 1SS133T-72<br />

IC804<br />

TC74ACT08P<br />

Les composants identifiés par une marque 0 sont<br />

critiques pour la sécurité. Ne les remplacer que<br />

par une pièce portant le numéro spécifié.<br />

CN808<br />

2P<br />

CN806<br />

21P<br />

+15V<br />

-15V<br />

GND<br />

GND<br />

S-MUTE<br />

VOL-LAT<br />

AC-MUTE<br />

PROTECTOR<br />

HP-CONT<br />

SP-FR-RY<br />

HP-RY<br />

W-FR-RY<br />

REAR-RY<br />

C-RY<br />

2ND-RY<br />

PRE-RY<br />

SB-RY<br />

FUNC-LAT<br />

CLK<br />

DATA<br />

C816<br />

0.022<br />

CD-RY<br />

R855<br />

10k<br />

R856<br />

10k<br />

(Page 19)<br />

(Page 19)

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