Panasonic sa ht07

Page 2

SA-HT07EP / SA-HTLITEB I SA-HT07EG

Maximum input voltage 1.5 Vp-p
Input/output impedance 75 Q
IGENERAL

Power consumption

(Main unit) 25 W
(Subwoofer) 290 W
Power consumption in standby mode: 1 W

Power supply

For EB only

For E & EG only
Dimensions (W x H x D)
Mass

ISYSTEM

System: SC-HT07 (EP)

AC 230 - 240 v, 50 Hz
Ac 230 v, 50 Hz

430 x 68 x 287 mm
2.0 kg

Main unit: SA-HT07

(EP)

Satellite Speaker: SB-HT07 (P)
Active Subwoofer: SB-WAO7 (E)

Main unit: SA-HT07
(EB)

System: sc-HT07 (EB)

Satellite Speaker: SB-HT07 (P)
Active Subwoofer: SB-WA07 (EB)
System: sc-HTo7 (EG)
Main unit: SA-HT07 (EG)
Satellite Speaker: SB-HT07 (P)
Active Subwoofer: SB-WA07 (E)
Speaker: SB-HTO7 (P)
Front & Surround speakers: SB-F8927 (P) x 4
Center speaker: SB-P0927 (P) x 1

1.8pecifications are subject to change without notice.
Mass and dimensions are approximate.

2.Tota| harmonic distortion is measured by the digital spectrum
analyzer.

Manufactured under license from Dolby Laboratories.
Dolby', "Pro Logic" and the double-D symbol are trademarks of
Dolby Laboratories.

Manufactured under license from Digital Theater System.
DTS and DTS Digital Surround" are trademarks of Digital Theater
System.

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

1 Caution for AC Mains Lead
2 Use of Active Subwooterr-

2.1. Checking Player when Active Subwooter is Used
3 Before Repair and Adjustment (Using Active Subwoofer Unit)

4 SAFETY PRECAUTIONS --------------------------------------------------------- s
4.1. GENERAL GUIDELINES ------------------------------------------------ e
5 Handling the Lead Solder ------------------------------------------------------- 7
5.1. About lead free solder (PbF) ------------------------------------------ 7
6 AbOUt the Protection Circuitry ------------------------------------------------ 7

7 Accessories -------------
8 Operation Procedures-

9 Remote Control -----

10 Assembling and Disassembling ------------------------------------------- 12
10.1. Disassembly flow chart ------------------------------------------------- 12
10.2. P.C.B. Positions ----------------------------------------------------------- 12
10.3. Disassembly of Top Cabinet ----------------------------------------- 13
10.4. Disassembly of Rear Panel ------------------------------------------ 13

10.5. Disassembly of Front Panel ------------------------------------ 13
10.6. Disassembly of VCR P.C.B., Tact Switch P.C.B. & Volume
P.C.B. -------------------------------

10.7. Disassembly of Panel P.C.B.
10.8. Disassembly of Scan Terminal P.C.B.
10.9. Disassembly of Digital Module P.C.B. --------------------------- 15
10.10. Disassembly of Main P.C.B. ----------------------------------------- 16
------------------------------------- 17

11 Service Positiop ................

Page

11.1. Checking Procedure ----------------------------------------------------- 17
11.2. Checking the Digital Module P. Main P.C.B. & Scart

Terminal P.C.B

11.3. Checking the Ma P.C.B., Panel P.C.B Tact Switch

P.C.B. & Volume P.C.B.

12 Self Diagnosis Display Function ------------------------------------------- 19

12.1. Automatically Displayed Error Codes ---------------------------- 19

12.2. Error Code Display Details ------
12.3. Activating Self Diagnosis Function (Doctor Mode) ---------- 19
12.4. Activating Self Diagnosis Function (Servicing Mode) ------ 20

12.5. Returning to Normal Display

13 Block Diagram

14 Schematic Diagram -

14.1. (A) DSP Circuit ------------------------------------------------------------ 26
14.2. (B) Main Circuit & (C) Tuner Extent Circuit -------------------- 29
14.3. (D) Panel Circuit, (E) Headphone Circuit & (F) Power
Circuit -------------------------------------------------------------------------- 32
14.4. (G) vcn Circuit ------------------------------------------------------------ 35

14.5. (H) Scart Circuit

15 Printed Circuit Board DIagram ----------------------------------------------

15.1. (A) DSP P.C.B. (Side A a B)

15.2. (B) Main P.C.B.-
15.3. (C) Tuner Extent P.C.B., (E) Headphone P.C.B. & (F)

Power P.C.B. ----------------------------------------------- 41

15.4. (D) Panel P.C.B. ---------------------------------------------------------- 42

15.5. (G) VCR P.C.B. & (H) Scan P.C.B. ------------------------------- 44